Merge remote-tracking branch 'upstream/master' into feature/mqtt-plugin

application/src/main/java/org/thingsboard/server/controller/AlarmController.java

@@ -0,0 +1,129 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.controller;
+
+import com.google.common.util.concurrent.ListenableFuture;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.http.HttpStatus;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.web.bind.annotation.*;
+import org.thingsboard.server.common.data.Customer;
+import org.thingsboard.server.common.data.Event;
+import org.thingsboard.server.common.data.alarm.Alarm;
+import org.thingsboard.server.common.data.alarm.AlarmId;
+import org.thingsboard.server.common.data.alarm.AlarmQuery;
+import org.thingsboard.server.common.data.alarm.AlarmStatus;
+import org.thingsboard.server.common.data.asset.Asset;
+import org.thingsboard.server.common.data.id.*;
+import org.thingsboard.server.common.data.page.TextPageData;
+import org.thingsboard.server.common.data.page.TextPageLink;
+import org.thingsboard.server.common.data.page.TimePageData;
+import org.thingsboard.server.common.data.page.TimePageLink;
+import org.thingsboard.server.dao.asset.AssetSearchQuery;
+import org.thingsboard.server.dao.exception.IncorrectParameterException;
+import org.thingsboard.server.dao.model.ModelConstants;
+import org.thingsboard.server.exception.ThingsboardErrorCode;
+import org.thingsboard.server.exception.ThingsboardException;
+import org.thingsboard.server.service.security.model.SecurityUser;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@RestController
+@RequestMapping("/api")
+public class AlarmController extends BaseController {
+
+    @PreAuthorize("hasAnyAuthority('TENANT_ADMIN', 'CUSTOMER_USER')")
+    @RequestMapping(value = "/alarm/{alarmId}", method = RequestMethod.GET)
+    @ResponseBody
+    public Alarm getAlarmById(@PathVariable("alarmId") String strAlarmId) throws ThingsboardException {
+        checkParameter("alarmId", strAlarmId);
+        try {
+            AlarmId alarmId = new AlarmId(toUUID(strAlarmId));
+            return checkAlarmId(alarmId);
+        } catch (Exception e) {
+            throw handleException(e);
+        }
+    }
+
+    @PreAuthorize("hasAnyAuthority('TENANT_ADMIN', 'CUSTOMER_USER')")
+    @RequestMapping(value = "/alarm", method = RequestMethod.POST)
+    @ResponseBody
+    public Alarm saveAlarm(@RequestBody Alarm alarm) throws ThingsboardException {
+        try {
+            alarm.setTenantId(getCurrentUser().getTenantId());
+            return checkNotNull(alarmService.createOrUpdateAlarm(alarm));
+        } catch (Exception e) {
+            throw handleException(e);
+        }
+    }
+
+    @PreAuthorize("hasAnyAuthority('TENANT_ADMIN', 'CUSTOMER_USER')")
+    @RequestMapping(value = "/alarm/{alarmId}/ack", method = RequestMethod.POST)
+    @ResponseStatus(value = HttpStatus.OK)
+    public void ackAlarm(@PathVariable("alarmId") String strAlarmId) throws ThingsboardException {
+        checkParameter("alarmId", strAlarmId);
+        try {
+            AlarmId alarmId = new AlarmId(toUUID(strAlarmId));
+            checkAlarmId(alarmId);
+            alarmService.ackAlarm(alarmId, System.currentTimeMillis()).get();
+        } catch (Exception e) {
+            throw handleException(e);
+        }
+    }
+
+    @PreAuthorize("hasAnyAuthority('TENANT_ADMIN', 'CUSTOMER_USER')")
+    @RequestMapping(value = "/alarm/{alarmId}/clear", method = RequestMethod.POST)
+    @ResponseStatus(value = HttpStatus.OK)
+    public void clearAlarm(@PathVariable("alarmId") String strAlarmId) throws ThingsboardException {
+        checkParameter("alarmId", strAlarmId);
+        try {
+            AlarmId alarmId = new AlarmId(toUUID(strAlarmId));
+            checkAlarmId(alarmId);
+            alarmService.clearAlarm(alarmId, System.currentTimeMillis()).get();
+        } catch (Exception e) {
+            throw handleException(e);
+        }
+    }
+
+    @PreAuthorize("hasAnyAuthority('TENANT_ADMIN', 'CUSTOMER_USER')")
+    @RequestMapping(value = "/alarm/{entityType}/{entityId}", method = RequestMethod.GET)
+    @ResponseBody
+    public TimePageData<Alarm> getAlarms(
+            @PathVariable("entityType") String strEntityType,
+            @PathVariable("entityId") String strEntityId,
+            @RequestParam(required = false) String status,
+            @RequestParam int limit,
+            @RequestParam(required = false) Long startTime,
+            @RequestParam(required = false) Long endTime,
+            @RequestParam(required = false, defaultValue = "false") boolean ascOrder,
+            @RequestParam(required = false) String offset
+    ) throws ThingsboardException {
+        checkParameter("EntityId", strEntityId);
+        checkParameter("EntityType", strEntityType);
+        EntityId entityId = EntityIdFactory.getByTypeAndId(strEntityType, strEntityId);
+        AlarmStatus alarmStatus = StringUtils.isEmpty(status) ? null : AlarmStatus.valueOf(status);
+        checkEntityId(entityId);
+        try {
+            TimePageLink pageLink = createPageLink(limit, startTime, endTime, ascOrder, offset);
+            return checkNotNull(alarmService.findAlarms(new AlarmQuery(entityId, pageLink, alarmStatus)).get());
+        } catch (Exception e) {
+            throw handleException(e);
+        }
+    }
+
+}

application/src/main/java/org/thingsboard/server/controller/AssetController.java

@@ -21,6 +21,7 @@ import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.web.bind.annotation.*;
 import org.thingsboard.server.common.data.Customer;
 import org.thingsboard.server.common.data.asset.Asset;
+import org.thingsboard.server.common.data.asset.TenantAssetType;
 import org.thingsboard.server.common.data.id.AssetId;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.TenantId;
@@ -136,13 +137,18 @@ public class AssetController extends BaseController {
     @ResponseBody
     public TextPageData<Asset> getTenantAssets(
             @RequestParam int limit,
+            @RequestParam(required = false) String type,
             @RequestParam(required = false) String textSearch,
             @RequestParam(required = false) String idOffset,
             @RequestParam(required = false) String textOffset) throws ThingsboardException {
         try {
             TenantId tenantId = getCurrentUser().getTenantId();
             TextPageLink pageLink = createPageLink(limit, textSearch, idOffset, textOffset);
-            return checkNotNull(assetService.findAssetsByTenantId(tenantId, pageLink));
+            if (type != null && type.trim().length()>0) {
+                return checkNotNull(assetService.findAssetsByTenantIdAndType(tenantId, type, pageLink));
+            } else {
+                return checkNotNull(assetService.findAssetsByTenantId(tenantId, pageLink));
+            }
         } catch (Exception e) {
             throw handleException(e);
         }
@@ -167,6 +173,7 @@ public class AssetController extends BaseController {
     public TextPageData<Asset> getCustomerAssets(
             @PathVariable("customerId") String strCustomerId,
             @RequestParam int limit,
+            @RequestParam(required = false) String type,
             @RequestParam(required = false) String textSearch,
             @RequestParam(required = false) String idOffset,
             @RequestParam(required = false) String textOffset) throws ThingsboardException {
@@ -176,7 +183,11 @@ public class AssetController extends BaseController {
             CustomerId customerId = new CustomerId(toUUID(strCustomerId));
             checkCustomerId(customerId);
             TextPageLink pageLink = createPageLink(limit, textSearch, idOffset, textOffset);
-            return checkNotNull(assetService.findAssetsByTenantIdAndCustomerId(tenantId, customerId, pageLink));
+            if (type != null && type.trim().length()>0) {
+                return checkNotNull(assetService.findAssetsByTenantIdAndCustomerIdAndType(tenantId, customerId, type, pageLink));
+            } else {
+                return checkNotNull(assetService.findAssetsByTenantIdAndCustomerId(tenantId, customerId, pageLink));
+            }
         } catch (Exception e) {
             throw handleException(e);
         }
@@ -231,4 +242,18 @@ public class AssetController extends BaseController {
             throw handleException(e);
         }
     }
+
+    @PreAuthorize("hasAnyAuthority('TENANT_ADMIN', 'CUSTOMER_USER')")
+    @RequestMapping(value = "/asset/types", method = RequestMethod.GET)
+    @ResponseBody
+    public List<TenantAssetType> getAssetTypes() throws ThingsboardException {
+        try {
+            SecurityUser user = getCurrentUser();
+            TenantId tenantId = user.getTenantId();
+            ListenableFuture<List<TenantAssetType>> assetTypes = assetService.findAssetTypesByTenantId(tenantId);
+            return checkNotNull(assetTypes.get());
+        } catch (Exception e) {
+            throw handleException(e);
+        }
+    }
 }

application/src/main/java/org/thingsboard/server/controller/BaseController.java

@@ -25,6 +25,8 @@ import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.thingsboard.server.actors.service.ActorService;
 import org.thingsboard.server.common.data.*;
+import org.thingsboard.server.common.data.alarm.Alarm;
+import org.thingsboard.server.common.data.alarm.AlarmId;
 import org.thingsboard.server.common.data.asset.Asset;
 import org.thingsboard.server.common.data.id.*;
 import org.thingsboard.server.common.data.page.TextPageLink;
@@ -36,6 +38,7 @@ import org.thingsboard.server.common.data.rule.RuleMetaData;
 import org.thingsboard.server.common.data.security.Authority;
 import org.thingsboard.server.common.data.widget.WidgetType;
 import org.thingsboard.server.common.data.widget.WidgetsBundle;
+import org.thingsboard.server.dao.alarm.AlarmService;
 import org.thingsboard.server.dao.asset.AssetService;
 import org.thingsboard.server.dao.customer.CustomerService;
 import org.thingsboard.server.dao.dashboard.DashboardService;
@@ -83,6 +86,9 @@ public abstract class BaseController {
     @Autowired
     protected AssetService assetService;
 
+    @Autowired
+    protected AlarmService alarmService;
+
     @Autowired
     protected DeviceCredentialsService deviceCredentialsService;
 
@@ -334,6 +340,22 @@ public abstract class BaseController {
         }
     }
 
+    Alarm checkAlarmId(AlarmId alarmId) throws ThingsboardException {
+        try {
+            validateId(alarmId, "Incorrect alarmId " + alarmId);
+            Alarm alarm = alarmService.findAlarmByIdAsync(alarmId).get();
+            checkAlarm(alarm);
+            return alarm;
+        } catch (Exception e) {
+            throw handleException(e, false);
+        }
+    }
+
+    protected void checkAlarm(Alarm alarm) throws ThingsboardException {
+        checkNotNull(alarm);
+        checkTenantId(alarm.getTenantId());
+    }
+
     WidgetsBundle checkWidgetsBundleId(WidgetsBundleId widgetsBundleId, boolean modify) throws ThingsboardException {
         try {
             validateId(widgetsBundleId, "Incorrect widgetsBundleId " + widgetsBundleId);

application/src/main/java/org/thingsboard/server/controller/DeviceController.java

@@ -21,6 +21,7 @@ import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.web.bind.annotation.*;
 import org.thingsboard.server.common.data.Customer;
 import org.thingsboard.server.common.data.Device;
+import org.thingsboard.server.common.data.TenantDeviceType;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.DeviceId;
 import org.thingsboard.server.common.data.id.TenantId;
@@ -166,13 +167,18 @@ public class DeviceController extends BaseController {
     @ResponseBody
     public TextPageData<Device> getTenantDevices(
             @RequestParam int limit,
+            @RequestParam(required = false) String type,
             @RequestParam(required = false) String textSearch,
             @RequestParam(required = false) String idOffset,
             @RequestParam(required = false) String textOffset) throws ThingsboardException {
         try {
             TenantId tenantId = getCurrentUser().getTenantId();
             TextPageLink pageLink = createPageLink(limit, textSearch, idOffset, textOffset);
-            return checkNotNull(deviceService.findDevicesByTenantId(tenantId, pageLink));
+            if (type != null && type.trim().length()>0) {
+                return checkNotNull(deviceService.findDevicesByTenantIdAndType(tenantId, type, pageLink));
+            } else {
+                return checkNotNull(deviceService.findDevicesByTenantId(tenantId, pageLink));
+            }
         } catch (Exception e) {
             throw handleException(e);
         }
@@ -197,6 +203,7 @@ public class DeviceController extends BaseController {
     public TextPageData<Device> getCustomerDevices(
             @PathVariable("customerId") String strCustomerId,
             @RequestParam int limit,
+            @RequestParam(required = false) String type,
             @RequestParam(required = false) String textSearch,
             @RequestParam(required = false) String idOffset,
             @RequestParam(required = false) String textOffset) throws ThingsboardException {
@@ -206,7 +213,11 @@ public class DeviceController extends BaseController {
             CustomerId customerId = new CustomerId(toUUID(strCustomerId));
             checkCustomerId(customerId);
             TextPageLink pageLink = createPageLink(limit, textSearch, idOffset, textOffset);
-            return checkNotNull(deviceService.findDevicesByTenantIdAndCustomerId(tenantId, customerId, pageLink));
+            if (type != null && type.trim().length()>0) {
+                return checkNotNull(deviceService.findDevicesByTenantIdAndCustomerIdAndType(tenantId, customerId, type, pageLink));
+            } else {
+                return checkNotNull(deviceService.findDevicesByTenantIdAndCustomerId(tenantId, customerId, pageLink));
+            }
         } catch (Exception e) {
             throw handleException(e);
         }
@@ -261,4 +272,19 @@ public class DeviceController extends BaseController {
             throw handleException(e);
         }
     }
+
+    @PreAuthorize("hasAnyAuthority('TENANT_ADMIN', 'CUSTOMER_USER')")
+    @RequestMapping(value = "/device/types", method = RequestMethod.GET)
+    @ResponseBody
+    public List<TenantDeviceType> getDeviceTypes() throws ThingsboardException {
+        try {
+            SecurityUser user = getCurrentUser();
+            TenantId tenantId = user.getTenantId();
+            ListenableFuture<List<TenantDeviceType>> deviceTypes = deviceService.findDeviceTypesByTenantId(tenantId);
+            return checkNotNull(deviceTypes.get());
+        } catch (Exception e) {
+            throw handleException(e);
+        }
+    }
+
 }

application/src/main/java/org/thingsboard/server/controller/EntityRelationController.java

@@ -21,6 +21,8 @@ import org.springframework.web.bind.annotation.*;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.id.EntityIdFactory;
 import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.common.data.relation.EntityRelationInfo;
+import org.thingsboard.server.common.data.relation.RelationTypeGroup;
 import org.thingsboard.server.dao.relation.EntityRelationsQuery;
 import org.thingsboard.server.exception.ThingsboardErrorCode;
 import org.thingsboard.server.exception.ThingsboardException;
@@ -32,7 +34,7 @@ import java.util.List;
 @RequestMapping("/api")
 public class EntityRelationController extends BaseController {
 
-    @PreAuthorize("hasAnyAuthority('TENANT_ADMIN', 'CUSTOMER_USER')")
+    @PreAuthorize("hasAnyAuthority('SYS_ADMIN', 'TENANT_ADMIN', 'CUSTOMER_USER')")
     @RequestMapping(value = "/relation", method = RequestMethod.POST)
     @ResponseStatus(value = HttpStatus.OK)
     public void saveRelation(@RequestBody EntityRelation relation) throws ThingsboardException {
@@ -40,17 +42,22 @@ public class EntityRelationController extends BaseController {
             checkNotNull(relation);
             checkEntityId(relation.getFrom());
             checkEntityId(relation.getTo());
+            if (relation.getTypeGroup() == null) {
+                relation.setTypeGroup(RelationTypeGroup.COMMON);
+            }
             relationService.saveRelation(relation).get();
         } catch (Exception e) {
             throw handleException(e);
         }
     }
 
-    @PreAuthorize("hasAnyAuthority('TENANT_ADMIN', 'CUSTOMER_USER')")
+    @PreAuthorize("hasAnyAuthority('SYS_ADMIN', 'TENANT_ADMIN', 'CUSTOMER_USER')")
     @RequestMapping(value = "/relation", method = RequestMethod.DELETE, params = {"fromId", "fromType", "relationType", "toId", "toType"})
     @ResponseStatus(value = HttpStatus.OK)
     public void deleteRelation(@RequestParam("fromId") String strFromId,
-                               @RequestParam("fromType") String strFromType, @RequestParam("relationType") String strRelationType,
+                               @RequestParam("fromType") String strFromType,
+                               @RequestParam("relationType") String strRelationType,
+                               @RequestParam(value = "relationTypeGroup", required = false) String strRelationTypeGroup,
                                @RequestParam("toId") String strToId, @RequestParam("toType") String strToType) throws ThingsboardException {
         checkParameter("fromId", strFromId);
         checkParameter("fromType", strFromType);
@@ -61,8 +68,9 @@ public class EntityRelationController extends BaseController {
         EntityId toId = EntityIdFactory.getByTypeAndId(strToType, strToId);
         checkEntityId(fromId);
         checkEntityId(toId);
+        RelationTypeGroup relationTypeGroup = parseRelationTypeGroup(strRelationTypeGroup, RelationTypeGroup.COMMON);
         try {
-            Boolean found = relationService.deleteRelation(fromId, toId, strRelationType).get();
+            Boolean found = relationService.deleteRelation(fromId, toId, strRelationType, relationTypeGroup).get();
             if (!found) {
                 throw new ThingsboardException("Requested item wasn't found!", ThingsboardErrorCode.ITEM_NOT_FOUND);
             }
@@ -71,7 +79,7 @@ public class EntityRelationController extends BaseController {
         }
     }
 
-    @PreAuthorize("hasAnyAuthority('TENANT_ADMIN', 'CUSTOMER_USER')")
+    @PreAuthorize("hasAnyAuthority('SYS_ADMIN','TENANT_ADMIN', 'CUSTOMER_USER')")
     @RequestMapping(value = "/relations", method = RequestMethod.DELETE, params = {"id", "type"})
     @ResponseStatus(value = HttpStatus.OK)
     public void deleteRelations(@RequestParam("entityId") String strId,
@@ -87,11 +95,13 @@ public class EntityRelationController extends BaseController {
         }
     }
 
-    @PreAuthorize("hasAnyAuthority('TENANT_ADMIN', 'CUSTOMER_USER')")
+    @PreAuthorize("hasAnyAuthority('SYS_ADMIN', 'TENANT_ADMIN', 'CUSTOMER_USER')")
     @RequestMapping(value = "/relation", method = RequestMethod.GET, params = {"fromId", "fromType", "relationType", "toId", "toType"})
     @ResponseStatus(value = HttpStatus.OK)
     public void checkRelation(@RequestParam("fromId") String strFromId,
-                              @RequestParam("fromType") String strFromType, @RequestParam("relationType") String strRelationType,
+                              @RequestParam("fromType") String strFromType,
+                              @RequestParam("relationType") String strRelationType,
+                              @RequestParam(value = "relationTypeGroup", required = false) String strRelationTypeGroup,
                               @RequestParam("toId") String strToId, @RequestParam("toType") String strToType) throws ThingsboardException {
         try {
             checkParameter("fromId", strFromId);
@@ -103,7 +113,8 @@ public class EntityRelationController extends BaseController {
             EntityId toId = EntityIdFactory.getByTypeAndId(strToType, strToId);
             checkEntityId(fromId);
             checkEntityId(toId);
-            Boolean found = relationService.checkRelation(fromId, toId, strRelationType).get();
+            RelationTypeGroup typeGroup = parseRelationTypeGroup(strRelationTypeGroup, RelationTypeGroup.COMMON);
+            Boolean found = relationService.checkRelation(fromId, toId, strRelationType, typeGroup).get();
             if (!found) {
                 throw new ThingsboardException("Requested item wasn't found!", ThingsboardErrorCode.ITEM_NOT_FOUND);
             }
@@ -112,71 +123,119 @@ public class EntityRelationController extends BaseController {
         }
     }
 
-    @PreAuthorize("hasAnyAuthority('TENANT_ADMIN', 'CUSTOMER_USER')")
+    @PreAuthorize("hasAnyAuthority('SYS_ADMIN', 'TENANT_ADMIN', 'CUSTOMER_USER')")
     @RequestMapping(value = "/relations", method = RequestMethod.GET, params = {"fromId", "fromType"})
     @ResponseBody
-    public List<EntityRelation> findByFrom(@RequestParam("fromId") String strFromId, @RequestParam("fromType") String strFromType) throws ThingsboardException {
+    public List<EntityRelation> findByFrom(@RequestParam("fromId") String strFromId,
+                                           @RequestParam("fromType") String strFromType,
+                                           @RequestParam(value = "relationTypeGroup", required = false) String strRelationTypeGroup) throws ThingsboardException {
+        checkParameter("fromId", strFromId);
+        checkParameter("fromType", strFromType);
+        EntityId entityId = EntityIdFactory.getByTypeAndId(strFromType, strFromId);
+        checkEntityId(entityId);
+        RelationTypeGroup typeGroup = parseRelationTypeGroup(strRelationTypeGroup, RelationTypeGroup.COMMON);
+        try {
+            return checkNotNull(relationService.findByFrom(entityId, typeGroup).get());
+        } catch (Exception e) {
+            throw handleException(e);
+        }
+    }
+
+    @PreAuthorize("hasAnyAuthority('SYS_ADMIN', 'TENANT_ADMIN', 'CUSTOMER_USER')")
+    @RequestMapping(value = "/relations/info", method = RequestMethod.GET, params = {"fromId", "fromType"})
+    @ResponseBody
+    public List<EntityRelationInfo> findInfoByFrom(@RequestParam("fromId") String strFromId,
+                                                   @RequestParam("fromType") String strFromType,
+                                                   @RequestParam(value = "relationTypeGroup", required = false) String strRelationTypeGroup) throws ThingsboardException {
         checkParameter("fromId", strFromId);
         checkParameter("fromType", strFromType);
         EntityId entityId = EntityIdFactory.getByTypeAndId(strFromType, strFromId);
         checkEntityId(entityId);
+        RelationTypeGroup typeGroup = parseRelationTypeGroup(strRelationTypeGroup, RelationTypeGroup.COMMON);
         try {
-            return checkNotNull(relationService.findByFrom(entityId).get());
+            return checkNotNull(relationService.findInfoByFrom(entityId, typeGroup).get());
         } catch (Exception e) {
             throw handleException(e);
         }
     }
 
-    @PreAuthorize("hasAnyAuthority('TENANT_ADMIN', 'CUSTOMER_USER')")
+    @PreAuthorize("hasAnyAuthority('SYS_ADMIN', 'TENANT_ADMIN', 'CUSTOMER_USER')")
     @RequestMapping(value = "/relations", method = RequestMethod.GET, params = {"fromId", "fromType", "relationType"})
     @ResponseBody
-    public List<EntityRelation> findByFrom(@RequestParam("fromId") String strFromId, @RequestParam("fromType") String strFromType
-            , @RequestParam("relationType") String strRelationType) throws ThingsboardException {
+    public List<EntityRelation> findByFrom(@RequestParam("fromId") String strFromId,
+                                           @RequestParam("fromType") String strFromType,
+                                           @RequestParam("relationType") String strRelationType,
+                                           @RequestParam(value = "relationTypeGroup", required = false) String strRelationTypeGroup) throws ThingsboardException {
         checkParameter("fromId", strFromId);
         checkParameter("fromType", strFromType);
         checkParameter("relationType", strRelationType);
         EntityId entityId = EntityIdFactory.getByTypeAndId(strFromType, strFromId);
         checkEntityId(entityId);
+        RelationTypeGroup typeGroup = parseRelationTypeGroup(strRelationTypeGroup, RelationTypeGroup.COMMON);
         try {
-            return checkNotNull(relationService.findByFromAndType(entityId, strRelationType).get());
+            return checkNotNull(relationService.findByFromAndType(entityId, strRelationType, typeGroup).get());
         } catch (Exception e) {
             throw handleException(e);
         }
     }
 
-    @PreAuthorize("hasAnyAuthority('TENANT_ADMIN', 'CUSTOMER_USER')")
+    @PreAuthorize("hasAnyAuthority('SYS_ADMIN', 'TENANT_ADMIN', 'CUSTOMER_USER')")
     @RequestMapping(value = "/relations", method = RequestMethod.GET, params = {"toId", "toType"})
     @ResponseBody
-    public List<EntityRelation> findByTo(@RequestParam("toId") String strToId, @RequestParam("toType") String strToType) throws ThingsboardException {
+    public List<EntityRelation> findByTo(@RequestParam("toId") String strToId,
+                                         @RequestParam("toType") String strToType,
+                                         @RequestParam(value = "relationTypeGroup", required = false) String strRelationTypeGroup) throws ThingsboardException {
         checkParameter("toId", strToId);
         checkParameter("toType", strToType);
         EntityId entityId = EntityIdFactory.getByTypeAndId(strToType, strToId);
         checkEntityId(entityId);
+        RelationTypeGroup typeGroup = parseRelationTypeGroup(strRelationTypeGroup, RelationTypeGroup.COMMON);
         try {
-            return checkNotNull(relationService.findByTo(entityId).get());
+            return checkNotNull(relationService.findByTo(entityId, typeGroup).get());
         } catch (Exception e) {
             throw handleException(e);
         }
     }
 
-    @PreAuthorize("hasAnyAuthority('TENANT_ADMIN', 'CUSTOMER_USER')")
+    @PreAuthorize("hasAnyAuthority('SYS_ADMIN', 'TENANT_ADMIN', 'CUSTOMER_USER')")
+    @RequestMapping(value = "/relations/info", method = RequestMethod.GET, params = {"toId", "toType"})
+    @ResponseBody
+    public List<EntityRelationInfo> findInfoByTo(@RequestParam("toId") String strToId,
+                                                   @RequestParam("toType") String strToType,
+                                                   @RequestParam(value = "relationTypeGroup", required = false) String strRelationTypeGroup) throws ThingsboardException {
+        checkParameter("toId", strToId);
+        checkParameter("toType", strToType);
+        EntityId entityId = EntityIdFactory.getByTypeAndId(strToType, strToId);
+        checkEntityId(entityId);
+        RelationTypeGroup typeGroup = parseRelationTypeGroup(strRelationTypeGroup, RelationTypeGroup.COMMON);
+        try {
+            return checkNotNull(relationService.findInfoByTo(entityId, typeGroup).get());
+        } catch (Exception e) {
+            throw handleException(e);
+        }
+    }
+
+    @PreAuthorize("hasAnyAuthority('SYS_ADMIN', 'TENANT_ADMIN', 'CUSTOMER_USER')")
     @RequestMapping(value = "/relations", method = RequestMethod.GET, params = {"toId", "toType", "relationType"})
     @ResponseBody
-    public List<EntityRelation> findByTo(@RequestParam("toId") String strToId, @RequestParam("toType") String strToType
-            , @RequestParam("relationType") String strRelationType) throws ThingsboardException {
+    public List<EntityRelation> findByTo(@RequestParam("toId") String strToId,
+                                         @RequestParam("toType") String strToType,
+                                         @RequestParam("relationType") String strRelationType,
+                                         @RequestParam(value = "relationTypeGroup", required = false) String strRelationTypeGroup) throws ThingsboardException {
         checkParameter("toId", strToId);
         checkParameter("toType", strToType);
         checkParameter("relationType", strRelationType);
         EntityId entityId = EntityIdFactory.getByTypeAndId(strToType, strToId);
         checkEntityId(entityId);
+        RelationTypeGroup typeGroup = parseRelationTypeGroup(strRelationTypeGroup, RelationTypeGroup.COMMON);
         try {
-            return checkNotNull(relationService.findByToAndType(entityId, strRelationType).get());
+            return checkNotNull(relationService.findByToAndType(entityId, strRelationType, typeGroup).get());
         } catch (Exception e) {
             throw handleException(e);
         }
     }
 
-    @PreAuthorize("hasAnyAuthority('TENANT_ADMIN', 'CUSTOMER_USER')")
+    @PreAuthorize("hasAnyAuthority('SYS_ADMIN', 'TENANT_ADMIN', 'CUSTOMER_USER')")
     @RequestMapping(value = "/relations", method = RequestMethod.POST)
     @ResponseBody
     public List<EntityRelation> findByQuery(@RequestBody EntityRelationsQuery query) throws ThingsboardException {
@@ -191,4 +250,16 @@ public class EntityRelationController extends BaseController {
         }
     }
 
+    private RelationTypeGroup parseRelationTypeGroup(String strRelationTypeGroup, RelationTypeGroup defaultValue) {
+        RelationTypeGroup result = defaultValue;
+        if (strRelationTypeGroup != null && strRelationTypeGroup.trim().length()>0) {
+            try {
+                result = RelationTypeGroup.valueOf(strRelationTypeGroup);
+            } catch (IllegalArgumentException e) {
+                result = defaultValue;
+            }
+        }
+        return result;
+    }
+
 }

application/src/main/resources/thingsboard.yml

@@ -19,12 +19,18 @@ server:
   address: "${HTTP_BIND_ADDRESS:0.0.0.0}"
   # Server bind port
   port: "${HTTP_BIND_PORT:8080}"
-# Uncomment the following section to enable ssl
-#  ssl:
-#    key-store: classpath:keystore/keystore.p12
-#    key-store-password: thingsboard
-#    keyStoreType: PKCS12
-#    keyAlias: tomcat
+  # Server SSL configuration
+  ssl:
+    # Enable/disable SSL support
+    enabled: "${SSL_ENABLED:false}"
+    # Path to the key store that holds the SSL certificate
+    key-store: "${SSL_KEY_STORE:classpath:keystore/keystore.p12}"
+    # Password used to access the key store
+    key-store-password: "${SSL_KEY_STORE_PASSWORD:thingsboard}"
+    # Type of the key store
+    key-store-type: "${SSL_KEY_STORE_TYPE:PKCS12}"
+    # Alias that identifies the key in the key store
+    key-alias: "${SSL_KEY_ALIAS:tomcat}"
 
 # Zookeeper connection parameters. Used for service discovery.
 zk:
@@ -79,12 +85,18 @@ mqtt:
     leak_detector_level: "${NETTY_LEASK_DETECTOR_LVL:DISABLED}"
     boss_group_thread_count: "${NETTY_BOSS_GROUP_THREADS:1}"
     worker_group_thread_count: "${NETTY_WORKER_GROUP_THREADS:12}"
-# Uncomment the following lines to enable ssl for MQTT
-#  ssl:
-#    key_store: mqttserver.jks
-#    key_store_password: server_ks_password
-#    key_password: server_key_password
-#    key_store_type: JKS
+  # MQTT SSL configuration
+  ssl:
+    # Enable/disable SSL support
+    enabled: "${MQTT_SSL_ENABLED:false}"
+    # Path to the key store that holds the SSL certificate
+    key_store: "${MQTT_SSL_KEY_STORE:mqttserver.jks}"
+    # Password used to access the key store
+    key_store_password: "${MQTT_SSL_KEY_STORE_PASSWORD:server_ks_password}"
+    # Password used to access the key
+    key_password: "${MQTT_SSL_KEY_PASSWORD:server_key_password}"
+    # Type of the key store
+    key_store_type: "${MQTT_SSL_KEY_STORE_TYPE:JKS}"
 
 # CoAP server parameters
 coap:

application/src/test/java/org/thingsboard/server/controller/AbstractControllerTest.java

@@ -98,13 +98,15 @@ import static org.springframework.test.web.servlet.setup.MockMvcBuilders.webAppC
 @IntegrationTest("server.port:0")
 public abstract class AbstractControllerTest {
 
+    protected static final String TEST_TENANT_NAME = "TEST TENANT";
+
     protected static final String SYS_ADMIN_EMAIL = "sysadmin@thingsboard.org";
     private static final String SYS_ADMIN_PASSWORD = "sysadmin";
     
-    protected static final String TENANT_ADMIN_EMAIL = "tenant@thingsboard.org";
+    protected static final String TENANT_ADMIN_EMAIL = "testtenant@thingsboard.org";
     private static final String TENANT_ADMIN_PASSWORD = "tenant";
 
-    protected static final String CUSTOMER_USER_EMAIL = "customer@thingsboard.org";
+    protected static final String CUSTOMER_USER_EMAIL = "testcustomer@thingsboard.org";
     private static final String CUSTOMER_USER_PASSWORD = "customer";
     
     protected MediaType contentType = new MediaType(MediaType.APPLICATION_JSON.getType(),
@@ -147,7 +149,7 @@ public abstract class AbstractControllerTest {
         loginSysAdmin();
 
         Tenant tenant = new Tenant();
-        tenant.setTitle("Tenant");
+        tenant.setTitle(TEST_TENANT_NAME);
         Tenant savedTenant = doPost("/api/tenant", tenant, Tenant.class);
         Assert.assertNotNull(savedTenant);
         tenantId = savedTenant.getId();

application/src/test/java/org/thingsboard/server/controller/AssetControllerTest.java

@@ -0,0 +1,659 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.controller;
+
+import static org.hamcrest.Matchers.containsString;
+import static org.thingsboard.server.dao.model.ModelConstants.NULL_UUID;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import org.apache.commons.lang3.RandomStringUtils;
+import org.thingsboard.server.common.data.*;
+import org.thingsboard.server.common.data.asset.Asset;
+import org.thingsboard.server.common.data.asset.TenantAssetType;
+import org.thingsboard.server.common.data.id.CustomerId;
+import org.thingsboard.server.common.data.id.AssetId;
+import org.thingsboard.server.common.data.page.TextPageData;
+import org.thingsboard.server.common.data.page.TextPageLink;
+import org.thingsboard.server.common.data.security.Authority;
+import org.thingsboard.server.dao.model.ModelConstants;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import com.datastax.driver.core.utils.UUIDs;
+import com.fasterxml.jackson.core.type.TypeReference;
+
+public class AssetControllerTest extends AbstractControllerTest {
+
+    private IdComparator<Asset> idComparator = new IdComparator<>();
+
+    private Tenant savedTenant;
+    private User tenantAdmin;
+
+    @Before
+    public void beforeTest() throws Exception {
+        loginSysAdmin();
+
+        Tenant tenant = new Tenant();
+        tenant.setTitle("My tenant");
+        savedTenant = doPost("/api/tenant", tenant, Tenant.class);
+        Assert.assertNotNull(savedTenant);
+
+        tenantAdmin = new User();
+        tenantAdmin.setAuthority(Authority.TENANT_ADMIN);
+        tenantAdmin.setTenantId(savedTenant.getId());
+        tenantAdmin.setEmail("tenant2@thingsboard.org");
+        tenantAdmin.setFirstName("Joe");
+        tenantAdmin.setLastName("Downs");
+
+        tenantAdmin = createUserAndLogin(tenantAdmin, "testPassword1");
+    }
+
+    @After
+    public void afterTest() throws Exception {
+        loginSysAdmin();
+
+        doDelete("/api/tenant/"+savedTenant.getId().getId().toString())
+                .andExpect(status().isOk());
+    }
+
+    @Test
+    public void testSaveAsset() throws Exception {
+        Asset asset = new Asset();
+        asset.setName("My asset");
+        asset.setType("default");
+        Asset savedAsset = doPost("/api/asset", asset, Asset.class);
+
+        Assert.assertNotNull(savedAsset);
+        Assert.assertNotNull(savedAsset.getId());
+        Assert.assertTrue(savedAsset.getCreatedTime() > 0);
+        Assert.assertEquals(savedTenant.getId(), savedAsset.getTenantId());
+        Assert.assertNotNull(savedAsset.getCustomerId());
+        Assert.assertEquals(NULL_UUID, savedAsset.getCustomerId().getId());
+        Assert.assertEquals(asset.getName(), savedAsset.getName());
+
+        savedAsset.setName("My new asset");
+        doPost("/api/asset", savedAsset, Asset.class);
+
+        Asset foundAsset = doGet("/api/asset/" + savedAsset.getId().getId().toString(), Asset.class);
+        Assert.assertEquals(foundAsset.getName(), savedAsset.getName());
+    }
+
+    @Test
+    public void testFindAssetById() throws Exception {
+        Asset asset = new Asset();
+        asset.setName("My asset");
+        asset.setType("default");
+        Asset savedAsset = doPost("/api/asset", asset, Asset.class);
+        Asset foundAsset = doGet("/api/asset/" + savedAsset.getId().getId().toString(), Asset.class);
+        Assert.assertNotNull(foundAsset);
+        Assert.assertEquals(savedAsset, foundAsset);
+    }
+
+    @Test
+    public void testFindAssetTypesByTenantId() throws Exception {
+        List<Asset> assets = new ArrayList<>();
+        for (int i=0;i<3;i++) {
+            Asset asset = new Asset();
+            asset.setName("My asset B"+i);
+            asset.setType("typeB");
+            assets.add(doPost("/api/asset", asset, Asset.class));
+        }
+        for (int i=0;i<7;i++) {
+            Asset asset = new Asset();
+            asset.setName("My asset C"+i);
+            asset.setType("typeC");
+            assets.add(doPost("/api/asset", asset, Asset.class));
+        }
+        for (int i=0;i<9;i++) {
+            Asset asset = new Asset();
+            asset.setName("My asset A"+i);
+            asset.setType("typeA");
+            assets.add(doPost("/api/asset", asset, Asset.class));
+        }
+        List<TenantAssetType> assetTypes = doGetTyped("/api/asset/types",
+                new TypeReference<List<TenantAssetType>>(){});
+
+        Assert.assertNotNull(assetTypes);
+        Assert.assertEquals(3, assetTypes.size());
+        Assert.assertEquals("typeA", assetTypes.get(0).getType());
+        Assert.assertEquals("typeB", assetTypes.get(1).getType());
+        Assert.assertEquals("typeC", assetTypes.get(2).getType());
+    }
+
+    @Test
+    public void testDeleteAsset() throws Exception {
+        Asset asset = new Asset();
+        asset.setName("My asset");
+        asset.setType("default");
+        Asset savedAsset = doPost("/api/asset", asset, Asset.class);
+
+        doDelete("/api/asset/"+savedAsset.getId().getId().toString())
+                .andExpect(status().isOk());
+
+        doGet("/api/asset/"+savedAsset.getId().getId().toString())
+                .andExpect(status().isNotFound());
+    }
+
+    @Test
+    public void testSaveAssetWithEmptyType() throws Exception {
+        Asset asset = new Asset();
+        asset.setName("My asset");
+        doPost("/api/asset", asset)
+                .andExpect(status().isBadRequest())
+                .andExpect(statusReason(containsString("Asset type should be specified")));
+    }
+
+    @Test
+    public void testSaveAssetWithEmptyName() throws Exception {
+        Asset asset = new Asset();
+        asset.setType("default");
+        doPost("/api/asset", asset)
+                .andExpect(status().isBadRequest())
+                .andExpect(statusReason(containsString("Asset name should be specified")));
+    }
+
+    @Test
+    public void testAssignUnassignAssetToCustomer() throws Exception {
+        Asset asset = new Asset();
+        asset.setName("My asset");
+        asset.setType("default");
+        Asset savedAsset = doPost("/api/asset", asset, Asset.class);
+
+        Customer customer = new Customer();
+        customer.setTitle("My customer");
+        Customer savedCustomer = doPost("/api/customer", customer, Customer.class);
+
+        Asset assignedAsset = doPost("/api/customer/" + savedCustomer.getId().getId().toString()
+                + "/asset/" + savedAsset.getId().getId().toString(), Asset.class);
+        Assert.assertEquals(savedCustomer.getId(), assignedAsset.getCustomerId());
+
+        Asset foundAsset = doGet("/api/asset/" + savedAsset.getId().getId().toString(), Asset.class);
+        Assert.assertEquals(savedCustomer.getId(), foundAsset.getCustomerId());
+
+        Asset unassignedAsset =
+                doDelete("/api/customer/asset/" + savedAsset.getId().getId().toString(), Asset.class);
+        Assert.assertEquals(ModelConstants.NULL_UUID, unassignedAsset.getCustomerId().getId());
+
+        foundAsset = doGet("/api/asset/" + savedAsset.getId().getId().toString(), Asset.class);
+        Assert.assertEquals(ModelConstants.NULL_UUID, foundAsset.getCustomerId().getId());
+    }
+
+    @Test
+    public void testAssignAssetToNonExistentCustomer() throws Exception {
+        Asset asset = new Asset();
+        asset.setName("My asset");
+        asset.setType("default");
+        Asset savedAsset = doPost("/api/asset", asset, Asset.class);
+
+        doPost("/api/customer/" + UUIDs.timeBased().toString()
+                + "/asset/" + savedAsset.getId().getId().toString())
+                .andExpect(status().isNotFound());
+    }
+
+    @Test
+    public void testAssignAssetToCustomerFromDifferentTenant() throws Exception {
+        loginSysAdmin();
+
+        Tenant tenant2 = new Tenant();
+        tenant2.setTitle("Different tenant");
+        Tenant savedTenant2 = doPost("/api/tenant", tenant2, Tenant.class);
+        Assert.assertNotNull(savedTenant2);
+
+        User tenantAdmin2 = new User();
+        tenantAdmin2.setAuthority(Authority.TENANT_ADMIN);
+        tenantAdmin2.setTenantId(savedTenant2.getId());
+        tenantAdmin2.setEmail("tenant3@thingsboard.org");
+        tenantAdmin2.setFirstName("Joe");
+        tenantAdmin2.setLastName("Downs");
+
+        tenantAdmin2 = createUserAndLogin(tenantAdmin2, "testPassword1");
+
+        Customer customer = new Customer();
+        customer.setTitle("Different customer");
+        Customer savedCustomer = doPost("/api/customer", customer, Customer.class);
+
+        login(tenantAdmin.getEmail(), "testPassword1");
+
+        Asset asset = new Asset();
+        asset.setName("My asset");
+        asset.setType("default");
+        Asset savedAsset = doPost("/api/asset", asset, Asset.class);
+
+        doPost("/api/customer/" + savedCustomer.getId().getId().toString()
+                + "/asset/" + savedAsset.getId().getId().toString())
+                .andExpect(status().isForbidden());
+
+        loginSysAdmin();
+
+        doDelete("/api/tenant/"+savedTenant2.getId().getId().toString())
+                .andExpect(status().isOk());
+    }
+
+    @Test
+    public void testFindTenantAssets() throws Exception {
+        List<Asset> assets = new ArrayList<>();
+        for (int i=0;i<178;i++) {
+            Asset asset = new Asset();
+            asset.setName("Asset"+i);
+            asset.setType("default");
+            assets.add(doPost("/api/asset", asset, Asset.class));
+        }
+        List<Asset> loadedAssets = new ArrayList<>();
+        TextPageLink pageLink = new TextPageLink(23);
+        TextPageData<Asset> pageData = null;
+        do {
+            pageData = doGetTypedWithPageLink("/api/tenant/assets?",
+                    new TypeReference<TextPageData<Asset>>(){}, pageLink);
+            loadedAssets.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assets, idComparator);
+        Collections.sort(loadedAssets, idComparator);
+
+        Assert.assertEquals(assets, loadedAssets);
+    }
+
+    @Test
+    public void testFindTenantAssetsByName() throws Exception {
+        String title1 = "Asset title 1";
+        List<Asset> assetsTitle1 = new ArrayList<>();
+        for (int i=0;i<143;i++) {
+            Asset asset = new Asset();
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title1+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            asset.setName(name);
+            asset.setType("default");
+            assetsTitle1.add(doPost("/api/asset", asset, Asset.class));
+        }
+        String title2 = "Asset title 2";
+        List<Asset> assetsTitle2 = new ArrayList<>();
+        for (int i=0;i<75;i++) {
+            Asset asset = new Asset();
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title2+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            asset.setName(name);
+            asset.setType("default");
+            assetsTitle2.add(doPost("/api/asset", asset, Asset.class));
+        }
+
+        List<Asset> loadedAssetsTitle1 = new ArrayList<>();
+        TextPageLink pageLink = new TextPageLink(15, title1);
+        TextPageData<Asset> pageData = null;
+        do {
+            pageData = doGetTypedWithPageLink("/api/tenant/assets?",
+                    new TypeReference<TextPageData<Asset>>(){}, pageLink);
+            loadedAssetsTitle1.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assetsTitle1, idComparator);
+        Collections.sort(loadedAssetsTitle1, idComparator);
+
+        Assert.assertEquals(assetsTitle1, loadedAssetsTitle1);
+
+        List<Asset> loadedAssetsTitle2 = new ArrayList<>();
+        pageLink = new TextPageLink(4, title2);
+        do {
+            pageData = doGetTypedWithPageLink("/api/tenant/assets?",
+                    new TypeReference<TextPageData<Asset>>(){}, pageLink);
+            loadedAssetsTitle2.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assetsTitle2, idComparator);
+        Collections.sort(loadedAssetsTitle2, idComparator);
+
+        Assert.assertEquals(assetsTitle2, loadedAssetsTitle2);
+
+        for (Asset asset : loadedAssetsTitle1) {
+            doDelete("/api/asset/"+asset.getId().getId().toString())
+                    .andExpect(status().isOk());
+        }
+
+        pageLink = new TextPageLink(4, title1);
+        pageData = doGetTypedWithPageLink("/api/tenant/assets?",
+                new TypeReference<TextPageData<Asset>>(){}, pageLink);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+
+        for (Asset asset : loadedAssetsTitle2) {
+            doDelete("/api/asset/"+asset.getId().getId().toString())
+                    .andExpect(status().isOk());
+        }
+
+        pageLink = new TextPageLink(4, title2);
+        pageData = doGetTypedWithPageLink("/api/tenant/assets?",
+                new TypeReference<TextPageData<Asset>>(){}, pageLink);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+    }
+
+    @Test
+    public void testFindTenantAssetsByType() throws Exception {
+        String title1 = "Asset title 1";
+        String type1 = "typeA";
+        List<Asset> assetsType1 = new ArrayList<>();
+        for (int i=0;i<143;i++) {
+            Asset asset = new Asset();
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title1+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            asset.setName(name);
+            asset.setType(type1);
+            assetsType1.add(doPost("/api/asset", asset, Asset.class));
+        }
+        String title2 = "Asset title 2";
+        String type2 = "typeB";
+        List<Asset> assetsType2 = new ArrayList<>();
+        for (int i=0;i<75;i++) {
+            Asset asset = new Asset();
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title2+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            asset.setName(name);
+            asset.setType(type2);
+            assetsType2.add(doPost("/api/asset", asset, Asset.class));
+        }
+
+        List<Asset> loadedAssetsType1 = new ArrayList<>();
+        TextPageLink pageLink = new TextPageLink(15);
+        TextPageData<Asset> pageData = null;
+        do {
+            pageData = doGetTypedWithPageLink("/api/tenant/assets?type={type}&",
+                    new TypeReference<TextPageData<Asset>>(){}, pageLink, type1);
+            loadedAssetsType1.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assetsType1, idComparator);
+        Collections.sort(loadedAssetsType1, idComparator);
+
+        Assert.assertEquals(assetsType1, loadedAssetsType1);
+
+        List<Asset> loadedAssetsType2 = new ArrayList<>();
+        pageLink = new TextPageLink(4);
+        do {
+            pageData = doGetTypedWithPageLink("/api/tenant/assets?type={type}&",
+                    new TypeReference<TextPageData<Asset>>(){}, pageLink, type2);
+            loadedAssetsType2.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assetsType2, idComparator);
+        Collections.sort(loadedAssetsType2, idComparator);
+
+        Assert.assertEquals(assetsType2, loadedAssetsType2);
+
+        for (Asset asset : loadedAssetsType1) {
+            doDelete("/api/asset/"+asset.getId().getId().toString())
+                    .andExpect(status().isOk());
+        }
+
+        pageLink = new TextPageLink(4);
+        pageData = doGetTypedWithPageLink("/api/tenant/assets?type={type}&",
+                new TypeReference<TextPageData<Asset>>(){}, pageLink, type1);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+
+        for (Asset asset : loadedAssetsType2) {
+            doDelete("/api/asset/"+asset.getId().getId().toString())
+                    .andExpect(status().isOk());
+        }
+
+        pageLink = new TextPageLink(4);
+        pageData = doGetTypedWithPageLink("/api/tenant/assets?type={type}&",
+                new TypeReference<TextPageData<Asset>>(){}, pageLink, type2);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+    }
+
+    @Test
+    public void testFindCustomerAssets() throws Exception {
+        Customer customer = new Customer();
+        customer.setTitle("Test customer");
+        customer = doPost("/api/customer", customer, Customer.class);
+        CustomerId customerId = customer.getId();
+
+        List<Asset> assets = new ArrayList<>();
+        for (int i=0;i<128;i++) {
+            Asset asset = new Asset();
+            asset.setName("Asset"+i);
+            asset.setType("default");
+            asset = doPost("/api/asset", asset, Asset.class);
+            assets.add(doPost("/api/customer/" + customerId.getId().toString()
+                    + "/asset/" + asset.getId().getId().toString(), Asset.class));
+        }
+
+        List<Asset> loadedAssets = new ArrayList<>();
+        TextPageLink pageLink = new TextPageLink(23);
+        TextPageData<Asset> pageData = null;
+        do {
+            pageData = doGetTypedWithPageLink("/api/customer/" + customerId.getId().toString() + "/assets?",
+                    new TypeReference<TextPageData<Asset>>(){}, pageLink);
+            loadedAssets.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assets, idComparator);
+        Collections.sort(loadedAssets, idComparator);
+
+        Assert.assertEquals(assets, loadedAssets);
+    }
+
+    @Test
+    public void testFindCustomerAssetsByName() throws Exception {
+        Customer customer = new Customer();
+        customer.setTitle("Test customer");
+        customer = doPost("/api/customer", customer, Customer.class);
+        CustomerId customerId = customer.getId();
+
+        String title1 = "Asset title 1";
+        List<Asset> assetsTitle1 = new ArrayList<>();
+        for (int i=0;i<125;i++) {
+            Asset asset = new Asset();
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title1+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            asset.setName(name);
+            asset.setType("default");
+            asset = doPost("/api/asset", asset, Asset.class);
+            assetsTitle1.add(doPost("/api/customer/" + customerId.getId().toString()
+                    + "/asset/" + asset.getId().getId().toString(), Asset.class));
+        }
+        String title2 = "Asset title 2";
+        List<Asset> assetsTitle2 = new ArrayList<>();
+        for (int i=0;i<143;i++) {
+            Asset asset = new Asset();
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title2+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            asset.setName(name);
+            asset.setType("default");
+            asset = doPost("/api/asset", asset, Asset.class);
+            assetsTitle2.add(doPost("/api/customer/" + customerId.getId().toString()
+                    + "/asset/" + asset.getId().getId().toString(), Asset.class));
+        }
+
+        List<Asset> loadedAssetsTitle1 = new ArrayList<>();
+        TextPageLink pageLink = new TextPageLink(15, title1);
+        TextPageData<Asset> pageData = null;
+        do {
+            pageData = doGetTypedWithPageLink("/api/customer/" + customerId.getId().toString() + "/assets?",
+                    new TypeReference<TextPageData<Asset>>(){}, pageLink);
+            loadedAssetsTitle1.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assetsTitle1, idComparator);
+        Collections.sort(loadedAssetsTitle1, idComparator);
+
+        Assert.assertEquals(assetsTitle1, loadedAssetsTitle1);
+
+        List<Asset> loadedAssetsTitle2 = new ArrayList<>();
+        pageLink = new TextPageLink(4, title2);
+        do {
+            pageData = doGetTypedWithPageLink("/api/customer/" + customerId.getId().toString() + "/assets?",
+                    new TypeReference<TextPageData<Asset>>(){}, pageLink);
+            loadedAssetsTitle2.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assetsTitle2, idComparator);
+        Collections.sort(loadedAssetsTitle2, idComparator);
+
+        Assert.assertEquals(assetsTitle2, loadedAssetsTitle2);
+
+        for (Asset asset : loadedAssetsTitle1) {
+            doDelete("/api/customer/asset/" + asset.getId().getId().toString())
+                    .andExpect(status().isOk());
+        }
+
+        pageLink = new TextPageLink(4, title1);
+        pageData = doGetTypedWithPageLink("/api/customer/" + customerId.getId().toString() + "/assets?",
+                new TypeReference<TextPageData<Asset>>(){}, pageLink);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+
+        for (Asset asset : loadedAssetsTitle2) {
+            doDelete("/api/customer/asset/" + asset.getId().getId().toString())
+                    .andExpect(status().isOk());
+        }
+
+        pageLink = new TextPageLink(4, title2);
+        pageData = doGetTypedWithPageLink("/api/customer/" + customerId.getId().toString() + "/assets?",
+                new TypeReference<TextPageData<Asset>>(){}, pageLink);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+    }
+
+    @Test
+    public void testFindCustomerAssetsByType() throws Exception {
+        Customer customer = new Customer();
+        customer.setTitle("Test customer");
+        customer = doPost("/api/customer", customer, Customer.class);
+        CustomerId customerId = customer.getId();
+
+        String title1 = "Asset title 1";
+        String type1 = "typeC";
+        List<Asset> assetsType1 = new ArrayList<>();
+        for (int i=0;i<125;i++) {
+            Asset asset = new Asset();
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title1+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            asset.setName(name);
+            asset.setType(type1);
+            asset = doPost("/api/asset", asset, Asset.class);
+            assetsType1.add(doPost("/api/customer/" + customerId.getId().toString()
+                    + "/asset/" + asset.getId().getId().toString(), Asset.class));
+        }
+        String title2 = "Asset title 2";
+        String type2 = "typeD";
+        List<Asset> assetsType2 = new ArrayList<>();
+        for (int i=0;i<143;i++) {
+            Asset asset = new Asset();
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title2+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            asset.setName(name);
+            asset.setType(type2);
+            asset = doPost("/api/asset", asset, Asset.class);
+            assetsType2.add(doPost("/api/customer/" + customerId.getId().toString()
+                    + "/asset/" + asset.getId().getId().toString(), Asset.class));
+        }
+
+        List<Asset> loadedAssetsType1 = new ArrayList<>();
+        TextPageLink pageLink = new TextPageLink(15);
+        TextPageData<Asset> pageData = null;
+        do {
+            pageData = doGetTypedWithPageLink("/api/customer/" + customerId.getId().toString() + "/assets?type={type}&",
+                    new TypeReference<TextPageData<Asset>>(){}, pageLink, type1);
+            loadedAssetsType1.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assetsType1, idComparator);
+        Collections.sort(loadedAssetsType1, idComparator);
+
+        Assert.assertEquals(assetsType1, loadedAssetsType1);
+
+        List<Asset> loadedAssetsType2 = new ArrayList<>();
+        pageLink = new TextPageLink(4);
+        do {
+            pageData = doGetTypedWithPageLink("/api/customer/" + customerId.getId().toString() + "/assets?type={type}&",
+                    new TypeReference<TextPageData<Asset>>(){}, pageLink, type2);
+            loadedAssetsType2.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assetsType2, idComparator);
+        Collections.sort(loadedAssetsType2, idComparator);
+
+        Assert.assertEquals(assetsType2, loadedAssetsType2);
+
+        for (Asset asset : loadedAssetsType1) {
+            doDelete("/api/customer/asset/" + asset.getId().getId().toString())
+                    .andExpect(status().isOk());
+        }
+
+        pageLink = new TextPageLink(4);
+        pageData = doGetTypedWithPageLink("/api/customer/" + customerId.getId().toString() + "/assets?type={type}&",
+                new TypeReference<TextPageData<Asset>>(){}, pageLink, type1);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+
+        for (Asset asset : loadedAssetsType2) {
+            doDelete("/api/customer/asset/" + asset.getId().getId().toString())
+                    .andExpect(status().isOk());
+        }
+
+        pageLink = new TextPageLink(4);
+        pageData = doGetTypedWithPageLink("/api/customer/" + customerId.getId().toString() + "/assets?type={type}&",
+                new TypeReference<TextPageData<Asset>>(){}, pageLink, type2);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+    }
+
+}

application/src/test/java/org/thingsboard/server/controller/DeviceControllerTest.java

@@ -24,10 +24,7 @@ import java.util.Collections;
 import java.util.List;
 
 import org.apache.commons.lang3.RandomStringUtils;
-import org.thingsboard.server.common.data.Customer;
-import org.thingsboard.server.common.data.Device;
-import org.thingsboard.server.common.data.Tenant;
-import org.thingsboard.server.common.data.User;
+import org.thingsboard.server.common.data.*;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.DeviceCredentialsId;
 import org.thingsboard.server.common.data.id.DeviceId;
@@ -83,6 +80,7 @@ public class DeviceControllerTest extends AbstractControllerTest {
     public void testSaveDevice() throws Exception {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         Device savedDevice = doPost("/api/device", device, Device.class);
         
         Assert.assertNotNull(savedDevice);
@@ -114,16 +112,49 @@ public class DeviceControllerTest extends AbstractControllerTest {
     public void testFindDeviceById() throws Exception {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         Device savedDevice = doPost("/api/device", device, Device.class);
         Device foundDevice = doGet("/api/device/" + savedDevice.getId().getId().toString(), Device.class);
         Assert.assertNotNull(foundDevice);
         Assert.assertEquals(savedDevice, foundDevice);
     }
+
+    @Test
+    public void testFindDeviceTypesByTenantId() throws Exception {
+        List<Device> devices = new ArrayList<>();
+        for (int i=0;i<3;i++) {
+            Device device = new Device();
+            device.setName("My device B"+i);
+            device.setType("typeB");
+            devices.add(doPost("/api/device", device, Device.class));
+        }
+        for (int i=0;i<7;i++) {
+            Device device = new Device();
+            device.setName("My device C"+i);
+            device.setType("typeC");
+            devices.add(doPost("/api/device", device, Device.class));
+        }
+        for (int i=0;i<9;i++) {
+            Device device = new Device();
+            device.setName("My device A"+i);
+            device.setType("typeA");
+            devices.add(doPost("/api/device", device, Device.class));
+        }
+        List<TenantDeviceType> deviceTypes = doGetTyped("/api/device/types",
+                new TypeReference<List<TenantDeviceType>>(){});
+
+        Assert.assertNotNull(deviceTypes);
+        Assert.assertEquals(3, deviceTypes.size());
+        Assert.assertEquals("typeA", deviceTypes.get(0).getType());
+        Assert.assertEquals("typeB", deviceTypes.get(1).getType());
+        Assert.assertEquals("typeC", deviceTypes.get(2).getType());
+    }
     
     @Test
     public void testDeleteDevice() throws Exception {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         Device savedDevice = doPost("/api/device", device, Device.class);
         
         doDelete("/api/device/"+savedDevice.getId().getId().toString())
@@ -132,10 +163,20 @@ public class DeviceControllerTest extends AbstractControllerTest {
         doGet("/api/device/"+savedDevice.getId().getId().toString())
         .andExpect(status().isNotFound());
     }
-    
+
+    @Test
+    public void testSaveDeviceWithEmptyType() throws Exception {
+        Device device = new Device();
+        device.setName("My device");
+        doPost("/api/device", device)
+                .andExpect(status().isBadRequest())
+                .andExpect(statusReason(containsString("Device type should be specified")));
+    }
+
     @Test
     public void testSaveDeviceWithEmptyName() throws Exception {
         Device device = new Device();
+        device.setType("default");
         doPost("/api/device", device)
         .andExpect(status().isBadRequest())
         .andExpect(statusReason(containsString("Device name should be specified")));
@@ -145,6 +186,7 @@ public class DeviceControllerTest extends AbstractControllerTest {
     public void testAssignUnassignDeviceToCustomer() throws Exception {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         Device savedDevice = doPost("/api/device", device, Device.class);
         
         Customer customer = new Customer();
@@ -170,6 +212,7 @@ public class DeviceControllerTest extends AbstractControllerTest {
     public void testAssignDeviceToNonExistentCustomer() throws Exception {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         Device savedDevice = doPost("/api/device", device, Device.class);
         
         doPost("/api/customer/" + UUIDs.timeBased().toString() 
@@ -203,6 +246,7 @@ public class DeviceControllerTest extends AbstractControllerTest {
         
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         Device savedDevice = doPost("/api/device", device, Device.class);
         
         doPost("/api/customer/" + savedCustomer.getId().getId().toString()
@@ -219,6 +263,7 @@ public class DeviceControllerTest extends AbstractControllerTest {
     public void testFindDeviceCredentialsByDeviceId() throws Exception {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         Device savedDevice = doPost("/api/device", device, Device.class);
         DeviceCredentials deviceCredentials = 
                 doGet("/api/device/" + savedDevice.getId().getId().toString() + "/credentials", DeviceCredentials.class); 
@@ -229,6 +274,7 @@ public class DeviceControllerTest extends AbstractControllerTest {
     public void testSaveDeviceCredentials() throws Exception {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         Device savedDevice = doPost("/api/device", device, Device.class);
         DeviceCredentials deviceCredentials = 
                 doGet("/api/device/" + savedDevice.getId().getId().toString() + "/credentials", DeviceCredentials.class); 
@@ -255,6 +301,7 @@ public class DeviceControllerTest extends AbstractControllerTest {
     public void testSaveDeviceCredentialsWithEmptyCredentialsType() throws Exception {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         Device savedDevice = doPost("/api/device", device, Device.class);
         DeviceCredentials deviceCredentials = 
                 doGet("/api/device/" + savedDevice.getId().getId().toString() + "/credentials", DeviceCredentials.class);
@@ -268,6 +315,7 @@ public class DeviceControllerTest extends AbstractControllerTest {
     public void testSaveDeviceCredentialsWithEmptyCredentialsId() throws Exception {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         Device savedDevice = doPost("/api/device", device, Device.class);
         DeviceCredentials deviceCredentials = 
                 doGet("/api/device/" + savedDevice.getId().getId().toString() + "/credentials", DeviceCredentials.class);
@@ -281,6 +329,7 @@ public class DeviceControllerTest extends AbstractControllerTest {
     public void testSaveNonExistentDeviceCredentials() throws Exception {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         Device savedDevice = doPost("/api/device", device, Device.class);
         DeviceCredentials deviceCredentials = 
                 doGet("/api/device/" + savedDevice.getId().getId().toString() + "/credentials", DeviceCredentials.class);
@@ -298,6 +347,7 @@ public class DeviceControllerTest extends AbstractControllerTest {
     public void testSaveDeviceCredentialsWithNonExistentDevice() throws Exception {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         Device savedDevice = doPost("/api/device", device, Device.class);
         DeviceCredentials deviceCredentials = 
                 doGet("/api/device/" + savedDevice.getId().getId().toString() + "/credentials", DeviceCredentials.class);
@@ -307,9 +357,10 @@ public class DeviceControllerTest extends AbstractControllerTest {
     }
     
     @Test
-    public void testSaveDeviceCredentialsWithInvalidCredemtialsIdLength() throws Exception {
+    public void testSaveDeviceCredentialsWithInvalidCredentialsIdLength() throws Exception {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         Device savedDevice = doPost("/api/device", device, Device.class);
         DeviceCredentials deviceCredentials = 
                 doGet("/api/device/" + savedDevice.getId().getId().toString() + "/credentials", DeviceCredentials.class);
@@ -325,6 +376,7 @@ public class DeviceControllerTest extends AbstractControllerTest {
         for (int i=0;i<178;i++) {
             Device device = new Device();
             device.setName("Device"+i);
+            device.setType("default");
             devices.add(doPost("/api/device", device, Device.class));
         }
         List<Device> loadedDevices = new ArrayList<>();
@@ -355,6 +407,7 @@ public class DeviceControllerTest extends AbstractControllerTest {
             String name = title1+suffix;
             name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
             device.setName(name);
+            device.setType("default");
             devicesTitle1.add(doPost("/api/device", device, Device.class));
         }
         String title2 = "Device title 2";
@@ -365,6 +418,7 @@ public class DeviceControllerTest extends AbstractControllerTest {
             String name = title2+suffix;
             name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
             device.setName(name);
+            device.setType("default");
             devicesTitle2.add(doPost("/api/device", device, Device.class));
         }
         
@@ -423,6 +477,89 @@ public class DeviceControllerTest extends AbstractControllerTest {
         Assert.assertFalse(pageData.hasNext());
         Assert.assertEquals(0, pageData.getData().size());
     }
+
+    @Test
+    public void testFindTenantDevicesByType() throws Exception {
+        String title1 = "Device title 1";
+        String type1 = "typeA";
+        List<Device> devicesType1 = new ArrayList<>();
+        for (int i=0;i<143;i++) {
+            Device device = new Device();
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title1+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            device.setName(name);
+            device.setType(type1);
+            devicesType1.add(doPost("/api/device", device, Device.class));
+        }
+        String title2 = "Device title 2";
+        String type2 = "typeB";
+        List<Device> devicesType2 = new ArrayList<>();
+        for (int i=0;i<75;i++) {
+            Device device = new Device();
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title2+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            device.setName(name);
+            device.setType(type2);
+            devicesType2.add(doPost("/api/device", device, Device.class));
+        }
+
+        List<Device> loadedDevicesType1 = new ArrayList<>();
+        TextPageLink pageLink = new TextPageLink(15);
+        TextPageData<Device> pageData = null;
+        do {
+            pageData = doGetTypedWithPageLink("/api/tenant/devices?type={type}&",
+                    new TypeReference<TextPageData<Device>>(){}, pageLink, type1);
+            loadedDevicesType1.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(devicesType1, idComparator);
+        Collections.sort(loadedDevicesType1, idComparator);
+
+        Assert.assertEquals(devicesType1, loadedDevicesType1);
+
+        List<Device> loadedDevicesType2 = new ArrayList<>();
+        pageLink = new TextPageLink(4);
+        do {
+            pageData = doGetTypedWithPageLink("/api/tenant/devices?type={type}&",
+                    new TypeReference<TextPageData<Device>>(){}, pageLink, type2);
+            loadedDevicesType2.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(devicesType2, idComparator);
+        Collections.sort(loadedDevicesType2, idComparator);
+
+        Assert.assertEquals(devicesType2, loadedDevicesType2);
+
+        for (Device device : loadedDevicesType1) {
+            doDelete("/api/device/"+device.getId().getId().toString())
+                    .andExpect(status().isOk());
+        }
+
+        pageLink = new TextPageLink(4);
+        pageData = doGetTypedWithPageLink("/api/tenant/devices?type={type}&",
+                new TypeReference<TextPageData<Device>>(){}, pageLink, type1);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+
+        for (Device device : loadedDevicesType2) {
+            doDelete("/api/device/"+device.getId().getId().toString())
+                    .andExpect(status().isOk());
+        }
+
+        pageLink = new TextPageLink(4);
+        pageData = doGetTypedWithPageLink("/api/tenant/devices?type={type}&",
+                new TypeReference<TextPageData<Device>>(){}, pageLink, type2);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+    }
     
     @Test
     public void testFindCustomerDevices() throws Exception {
@@ -435,6 +572,7 @@ public class DeviceControllerTest extends AbstractControllerTest {
         for (int i=0;i<128;i++) {
             Device device = new Device();
             device.setName("Device"+i);
+            device.setType("default");
             device = doPost("/api/device", device, Device.class);
             devices.add(doPost("/api/customer/" + customerId.getId().toString() 
                             + "/device/" + device.getId().getId().toString(), Device.class));
@@ -473,6 +611,7 @@ public class DeviceControllerTest extends AbstractControllerTest {
             String name = title1+suffix;
             name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
             device.setName(name);
+            device.setType("default");
             device = doPost("/api/device", device, Device.class);
             devicesTitle1.add(doPost("/api/customer/" + customerId.getId().toString() 
                     + "/device/" + device.getId().getId().toString(), Device.class));
@@ -485,6 +624,7 @@ public class DeviceControllerTest extends AbstractControllerTest {
             String name = title2+suffix;
             name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
             device.setName(name);
+            device.setType("default");
             device = doPost("/api/device", device, Device.class);
             devicesTitle2.add(doPost("/api/customer/" + customerId.getId().toString() 
                     + "/device/" + device.getId().getId().toString(), Device.class));
@@ -546,4 +686,96 @@ public class DeviceControllerTest extends AbstractControllerTest {
         Assert.assertEquals(0, pageData.getData().size());
     }
 
+    @Test
+    public void testFindCustomerDevicesByType() throws Exception {
+        Customer customer = new Customer();
+        customer.setTitle("Test customer");
+        customer = doPost("/api/customer", customer, Customer.class);
+        CustomerId customerId = customer.getId();
+
+        String title1 = "Device title 1";
+        String type1 = "typeC";
+        List<Device> devicesType1 = new ArrayList<>();
+        for (int i=0;i<125;i++) {
+            Device device = new Device();
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title1+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            device.setName(name);
+            device.setType(type1);
+            device = doPost("/api/device", device, Device.class);
+            devicesType1.add(doPost("/api/customer/" + customerId.getId().toString()
+                    + "/device/" + device.getId().getId().toString(), Device.class));
+        }
+        String title2 = "Device title 2";
+        String type2 = "typeD";
+        List<Device> devicesType2 = new ArrayList<>();
+        for (int i=0;i<143;i++) {
+            Device device = new Device();
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title2+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            device.setName(name);
+            device.setType(type2);
+            device = doPost("/api/device", device, Device.class);
+            devicesType2.add(doPost("/api/customer/" + customerId.getId().toString()
+                    + "/device/" + device.getId().getId().toString(), Device.class));
+        }
+
+        List<Device> loadedDevicesType1 = new ArrayList<>();
+        TextPageLink pageLink = new TextPageLink(15);
+        TextPageData<Device> pageData = null;
+        do {
+            pageData = doGetTypedWithPageLink("/api/customer/" + customerId.getId().toString() + "/devices?type={type}&",
+                    new TypeReference<TextPageData<Device>>(){}, pageLink, type1);
+            loadedDevicesType1.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(devicesType1, idComparator);
+        Collections.sort(loadedDevicesType1, idComparator);
+
+        Assert.assertEquals(devicesType1, loadedDevicesType1);
+
+        List<Device> loadedDevicesType2 = new ArrayList<>();
+        pageLink = new TextPageLink(4);
+        do {
+            pageData = doGetTypedWithPageLink("/api/customer/" + customerId.getId().toString() + "/devices?type={type}&",
+                    new TypeReference<TextPageData<Device>>(){}, pageLink, type2);
+            loadedDevicesType2.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(devicesType2, idComparator);
+        Collections.sort(loadedDevicesType2, idComparator);
+
+        Assert.assertEquals(devicesType2, loadedDevicesType2);
+
+        for (Device device : loadedDevicesType1) {
+            doDelete("/api/customer/device/" + device.getId().getId().toString())
+                    .andExpect(status().isOk());
+        }
+
+        pageLink = new TextPageLink(4);
+        pageData = doGetTypedWithPageLink("/api/customer/" + customerId.getId().toString() + "/devices?type={type}&",
+                new TypeReference<TextPageData<Device>>(){}, pageLink, type1);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+
+        for (Device device : loadedDevicesType2) {
+            doDelete("/api/customer/device/" + device.getId().getId().toString())
+                    .andExpect(status().isOk());
+        }
+
+        pageLink = new TextPageLink(4);
+        pageData = doGetTypedWithPageLink("/api/customer/" + customerId.getId().toString() + "/devices?type={type}&",
+                new TypeReference<TextPageData<Device>>(){}, pageLink, type2);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+    }
+
 }

application/src/test/java/org/thingsboard/server/controller/TenantControllerTest.java

@@ -130,7 +130,7 @@ public class TenantControllerTest extends AbstractControllerTest {
         Assert.assertEquals(tenants, loadedTenants);
         
         for (Tenant tenant : loadedTenants) {
-            if (!tenant.getTitle().equals("Tenant")) {
+            if (!tenant.getTitle().equals(TEST_TENANT_NAME)) {
                 doDelete("/api/tenant/"+tenant.getId().getId().toString())
                 .andExpect(status().isOk());        
             }

application/src/test/java/org/thingsboard/server/controller/UserControllerTest.java

@@ -182,7 +182,7 @@ public class UserControllerTest extends AbstractControllerTest {
         Tenant savedTenant = doPost("/api/tenant", tenant, Tenant.class);
         Assert.assertNotNull(savedTenant);
         
-        String email = "tenant@thingsboard.org";
+        String email = TENANT_ADMIN_EMAIL;
         User user = new User();
         user.setAuthority(Authority.TENANT_ADMIN);
         user.setTenantId(savedTenant.getId());

application/src/test/java/org/thingsboard/server/system/HttpDeviceApiTest.java

@@ -47,6 +47,7 @@ public class HttpDeviceApiTest extends AbstractControllerTest {
         loginTenantAdmin();
         device = new Device();
         device.setName("My device");
+        device.setType("default");
         device = doPost("/api/device", device, Device.class);
 
         deviceCredentials =

common/data/src/main/java/org/thingsboard/server/common/data/Customer.java

@@ -15,12 +15,14 @@
  */
 package org.thingsboard.server.common.data;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonProperty.Access;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.TenantId;
 
 import com.fasterxml.jackson.databind.JsonNode;
 
-public class Customer extends ContactBased<CustomerId>{
+public class Customer extends ContactBased<CustomerId> implements HasName {
     
     private static final long serialVersionUID = -1599722990298929275L;
     
@@ -59,6 +61,12 @@ public class Customer extends ContactBased<CustomerId>{
         this.title = title;
     }
 
+    @Override
+    @JsonProperty(access = Access.READ_ONLY)
+    public String getName() {
+        return title;
+    }
+
     public JsonNode getAdditionalInfo() {
         return additionalInfo;
     }

common/data/src/main/java/org/thingsboard/server/common/data/DashboardInfo.java

@@ -15,11 +15,12 @@
  */
 package org.thingsboard.server.common.data;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.DashboardId;
 import org.thingsboard.server.common.data.id.TenantId;
 
-public class DashboardInfo extends SearchTextBased<DashboardId> {
+public class DashboardInfo extends SearchTextBased<DashboardId> implements HasName {
 
     private TenantId tenantId;
     private CustomerId customerId;
@@ -64,6 +65,12 @@ public class DashboardInfo extends SearchTextBased<DashboardId> {
         this.title = title;
     }
 
+    @Override
+    @JsonProperty(access = JsonProperty.Access.READ_ONLY)
+    public String getName() {
+        return title;
+    }
+
     @Override
     public String getSearchText() {
         return title;

common/data/src/main/java/org/thingsboard/server/common/data/Device.java

@@ -21,7 +21,7 @@ import org.thingsboard.server.common.data.id.TenantId;
 
 import com.fasterxml.jackson.databind.JsonNode;
 
-public class Device extends SearchTextBased<DeviceId> {
+public class Device extends SearchTextBased<DeviceId> implements HasName {
 
     private static final long serialVersionUID = 2807343040519543363L;
 
@@ -64,6 +64,7 @@ public class Device extends SearchTextBased<DeviceId> {
         this.customerId = customerId;
     }
 
+    @Override
     public String getName() {
         return name;
     }

ui/src/app/dashboard/device-aliases.scss → common/data/src/main/java/org/thingsboard/server/common/data/HasName.java

@@ -13,13 +13,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+package org.thingsboard.server.common.data;
+
+public interface HasName {
+
+    String getName();
 
-.tb-aliases-dialog {
-  .md-dialog-content {
-    padding-bottom: 0px;
-  }
-  .tb-alias {
-    padding: 10px 0 0 10px;
-    margin: 5px;
-  }
 }

common/data/src/main/java/org/thingsboard/server/common/data/Tenant.java

@@ -15,11 +15,12 @@
  */
 package org.thingsboard.server.common.data;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
 import org.thingsboard.server.common.data.id.TenantId;
 
 import com.fasterxml.jackson.databind.JsonNode;
 
-public class Tenant extends ContactBased<TenantId>{
+public class Tenant extends ContactBased<TenantId> implements HasName {
 
     private static final long serialVersionUID = 8057243243859922101L;
     
@@ -50,6 +51,12 @@ public class Tenant extends ContactBased<TenantId>{
         this.title = title;
     }
 
+    @Override
+    @JsonProperty(access = JsonProperty.Access.READ_ONLY)
+    public String getName() {
+        return title;
+    }
+
     public String getRegion() {
         return region;
     }

common/data/src/main/java/org/thingsboard/server/common/data/TenantDeviceType.java

@@ -0,0 +1,79 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.common.data;
+
+import org.thingsboard.server.common.data.id.TenantId;
+
+public class TenantDeviceType {
+
+    private static final long serialVersionUID = 8057240243859922101L;
+
+    private String type;
+    private TenantId tenantId;
+
+    public TenantDeviceType() {
+        super();
+    }
+
+    public TenantDeviceType(String type, TenantId tenantId) {
+        this.type = type;
+        this.tenantId = tenantId;
+    }
+
+    public String getType() {
+        return type;
+    }
+
+    public void setType(String type) {
+        this.type = type;
+    }
+
+    public TenantId getTenantId() {
+        return tenantId;
+    }
+
+    public void setTenantId(TenantId tenantId) {
+        this.tenantId = tenantId;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = type != null ? type.hashCode() : 0;
+        result = 31 * result + (tenantId != null ? tenantId.hashCode() : 0);
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        TenantDeviceType that = (TenantDeviceType) o;
+
+        if (type != null ? !type.equals(that.type) : that.type != null) return false;
+        return tenantId != null ? tenantId.equals(that.tenantId) : that.tenantId == null;
+
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder sb = new StringBuilder("TenantDeviceType{");
+        sb.append("type='").append(type).append('\'');
+        sb.append(", tenantId=").append(tenantId);
+        sb.append('}');
+        return sb.toString();
+    }
+}

common/data/src/main/java/org/thingsboard/server/common/data/User.java

@@ -15,6 +15,7 @@
  */
 package org.thingsboard.server.common.data;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.id.UserId;
@@ -22,7 +23,7 @@ import org.thingsboard.server.common.data.security.Authority;
 
 import com.fasterxml.jackson.databind.JsonNode;
 
-public class User extends SearchTextBased<UserId> {
+public class User extends SearchTextBased<UserId> implements HasName {
 
     private static final long serialVersionUID = 8250339805336035966L;
 
@@ -77,6 +78,12 @@ public class User extends SearchTextBased<UserId> {
         this.email = email;
     }
 
+    @Override
+    @JsonProperty(access = JsonProperty.Access.READ_ONLY)
+    public String getName() {
+        return email;
+    }
+
     public Authority getAuthority() {
         return authority;
     }

common/data/src/main/java/org/thingsboard/server/common/data/alarm/Alarm.java

@@ -15,26 +15,47 @@
  */
 package org.thingsboard.server.common.data.alarm;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.databind.JsonNode;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
 import lombok.Data;
 import org.thingsboard.server.common.data.BaseData;
+import org.thingsboard.server.common.data.HasName;
 import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.id.TenantId;
 
 /**
  * Created by ashvayka on 11.05.17.
  */
 @Data
-public class Alarm extends BaseData<AlarmId> {
+@Builder
+@AllArgsConstructor
+public class Alarm extends BaseData<AlarmId> implements HasName {
 
-    private long startTs;
-    private long endTs;
-    private long ackTs;
-    private long clearTs;
+    private TenantId tenantId;
     private String type;
     private EntityId originator;
     private AlarmSeverity severity;
     private AlarmStatus status;
+    private long startTs;
+    private long endTs;
+    private long ackTs;
+    private long clearTs;
     private JsonNode details;
     private boolean propagate;
 
+    public Alarm() {
+        super();
+    }
+
+    public Alarm(AlarmId id) {
+        super(id);
+    }
+
+    @Override
+    @JsonProperty(access = JsonProperty.Access.READ_ONLY)
+    public String getName() {
+        return type;
+    }
 }

common/data/src/main/java/org/thingsboard/server/common/data/alarm/AlarmQuery.java

@@ -15,14 +15,19 @@
  */
 package org.thingsboard.server.common.data.alarm;
 
+import lombok.AllArgsConstructor;
+import lombok.Builder;
 import lombok.Data;
 import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.page.TimePageLink;
 
 /**
  * Created by ashvayka on 11.05.17.
  */
 @Data
+@Builder
+@AllArgsConstructor
 public class AlarmQuery {
 
     private EntityId affectedEntityId;

common/data/src/main/java/org/thingsboard/server/common/data/alarm/AlarmStatus.java

@@ -22,4 +22,12 @@ public enum AlarmStatus {
 
     ACTIVE_UNACK, ACTIVE_ACK, CLEARED_UNACK, CLEARED_ACK;
 
+    public boolean isAck() {
+        return this == ACTIVE_ACK || this == CLEARED_ACK;
+    }
+
+    public boolean isCleared() {
+        return this == CLEARED_ACK || this == CLEARED_UNACK;
+    }
+
 }

common/data/src/main/java/org/thingsboard/server/common/data/asset/Asset.java

@@ -16,12 +16,13 @@
 package org.thingsboard.server.common.data.asset;
 
 import com.fasterxml.jackson.databind.JsonNode;
+import org.thingsboard.server.common.data.HasName;
 import org.thingsboard.server.common.data.SearchTextBased;
 import org.thingsboard.server.common.data.id.AssetId;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.TenantId;
 
-public class Asset extends SearchTextBased<AssetId> {
+public class Asset extends SearchTextBased<AssetId> implements HasName {
 
     private static final long serialVersionUID = 2807343040519543363L;
 
@@ -64,6 +65,7 @@ public class Asset extends SearchTextBased<AssetId> {
         this.customerId = customerId;
     }
 
+    @Override
     public String getName() {
         return name;
     }

common/data/src/main/java/org/thingsboard/server/common/data/asset/TenantAssetType.java

@@ -0,0 +1,79 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.common.data.asset;
+
+import org.thingsboard.server.common.data.id.TenantId;
+
+public class TenantAssetType {
+
+    private static final long serialVersionUID = 8057290243855622101L;
+
+    private String type;
+    private TenantId tenantId;
+
+    public TenantAssetType() {
+        super();
+    }
+
+    public TenantAssetType(String type, TenantId tenantId) {
+        this.type = type;
+        this.tenantId = tenantId;
+    }
+
+    public String getType() {
+        return type;
+    }
+
+    public void setType(String type) {
+        this.type = type;
+    }
+
+    public TenantId getTenantId() {
+        return tenantId;
+    }
+
+    public void setTenantId(TenantId tenantId) {
+        this.tenantId = tenantId;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = type != null ? type.hashCode() : 0;
+        result = 31 * result + (tenantId != null ? tenantId.hashCode() : 0);
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        TenantAssetType that = (TenantAssetType) o;
+
+        if (type != null ? !type.equals(that.type) : that.type != null) return false;
+        return tenantId != null ? tenantId.equals(that.tenantId) : that.tenantId == null;
+
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder sb = new StringBuilder("TenantAssetType{");
+        sb.append("type='").append(type).append('\'');
+        sb.append(", tenantId=").append(tenantId);
+        sb.append('}');
+        return sb.toString();
+    }
+}

common/data/src/main/java/org/thingsboard/server/common/data/id/EntityIdFactory.java

@@ -16,6 +16,7 @@
 package org.thingsboard.server.common.data.id;
 
 import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.alarm.AlarmId;
 
 import java.util.UUID;
 
@@ -50,6 +51,8 @@ public class EntityIdFactory {
                 return new DeviceId(uuid);
             case ASSET:
                 return new AssetId(uuid);
+            case ALARM:
+                return new AlarmId(uuid);
         }
         throw new IllegalArgumentException("EntityType " + type + " is not supported!");
     }

common/data/src/main/java/org/thingsboard/server/common/data/plugin/PluginMetaData.java

@@ -15,13 +15,14 @@
  */
 package org.thingsboard.server.common.data.plugin;
 
+import org.thingsboard.server.common.data.HasName;
 import org.thingsboard.server.common.data.SearchTextBased;
 import org.thingsboard.server.common.data.id.PluginId;
 import org.thingsboard.server.common.data.id.TenantId;
 
 import com.fasterxml.jackson.databind.JsonNode;
 
-public class PluginMetaData extends SearchTextBased<PluginId> {
+public class PluginMetaData extends SearchTextBased<PluginId> implements HasName {
 
     private static final long serialVersionUID = 1L;
 
@@ -75,6 +76,7 @@ public class PluginMetaData extends SearchTextBased<PluginId> {
         this.tenantId = tenantId;
     }
 
+    @Override
     public String getName() {
         return name;
     }

common/data/src/main/java/org/thingsboard/server/common/data/relation/EntityRelation.java

@@ -30,6 +30,7 @@ public class EntityRelation {
     private EntityId from;
     private EntityId to;
     private String type;
+    private RelationTypeGroup typeGroup;
     private JsonNode additionalInfo;
 
     public EntityRelation() {
@@ -37,21 +38,27 @@ public class EntityRelation {
     }
 
     public EntityRelation(EntityId from, EntityId to, String type) {
-        this(from, to, type, null);
+        this(from, to, type, RelationTypeGroup.COMMON);
     }
 
-    public EntityRelation(EntityId from, EntityId to, String type, JsonNode additionalInfo) {
+    public EntityRelation(EntityId from, EntityId to, String type, RelationTypeGroup typeGroup) {
+        this(from, to, type, typeGroup, null);
+    }
+
+    public EntityRelation(EntityId from, EntityId to, String type, RelationTypeGroup typeGroup, JsonNode additionalInfo) {
         this.from = from;
         this.to = to;
         this.type = type;
+        this.typeGroup = typeGroup;
         this.additionalInfo = additionalInfo;
     }
 
-    public EntityRelation(EntityRelation device) {
-        this.from = device.getFrom();
-        this.to = device.getTo();
-        this.type = device.getType();
-        this.additionalInfo = device.getAdditionalInfo();
+    public EntityRelation(EntityRelation entityRelation) {
+        this.from = entityRelation.getFrom();
+        this.to = entityRelation.getTo();
+        this.type = entityRelation.getType();
+        this.typeGroup = entityRelation.getTypeGroup();
+        this.additionalInfo = entityRelation.getAdditionalInfo();
     }
 
     public EntityId getFrom() {
@@ -78,6 +85,14 @@ public class EntityRelation {
         this.type = type;
     }
 
+    public RelationTypeGroup getTypeGroup() {
+        return typeGroup;
+    }
+
+    public void setTypeGroup(RelationTypeGroup typeGroup) {
+        this.typeGroup = typeGroup;
+    }
+
     public JsonNode getAdditionalInfo() {
         return additionalInfo;
     }
@@ -90,14 +105,22 @@ public class EntityRelation {
     public boolean equals(Object o) {
         if (this == o) return true;
         if (o == null || getClass() != o.getClass()) return false;
-        EntityRelation relation = (EntityRelation) o;
-        return Objects.equals(from, relation.from) &&
-                Objects.equals(to, relation.to) &&
-                Objects.equals(type, relation.type);
+
+        EntityRelation that = (EntityRelation) o;
+
+        if (from != null ? !from.equals(that.from) : that.from != null) return false;
+        if (to != null ? !to.equals(that.to) : that.to != null) return false;
+        if (type != null ? !type.equals(that.type) : that.type != null) return false;
+        return typeGroup == that.typeGroup;
+
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(from, to, type);
+        int result = from != null ? from.hashCode() : 0;
+        result = 31 * result + (to != null ? to.hashCode() : 0);
+        result = 31 * result + (type != null ? type.hashCode() : 0);
+        result = 31 * result + (typeGroup != null ? typeGroup.hashCode() : 0);
+        return result;
     }
 }

common/data/src/main/java/org/thingsboard/server/common/data/relation/EntityRelationInfo.java

@@ -0,0 +1,68 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thingsboard.server.common.data.relation;
+
+public class EntityRelationInfo extends EntityRelation {
+
+    private static final long serialVersionUID = 2807343097519543363L;
+
+    private String fromName;
+    private String toName;
+
+    public EntityRelationInfo() {
+        super();
+    }
+
+    public EntityRelationInfo(EntityRelation entityRelation) {
+        super(entityRelation);
+    }
+
+    public String getFromName() {
+        return fromName;
+    }
+
+    public void setFromName(String fromName) {
+        this.fromName = fromName;
+    }
+
+    public String getToName() {
+        return toName;
+    }
+
+    public void setToName(String toName) {
+        this.toName = toName;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        if (!super.equals(o)) return false;
+
+        EntityRelationInfo that = (EntityRelationInfo) o;
+
+        return toName != null ? toName.equals(that.toName) : that.toName == null;
+
+    }
+
+    @Override
+    public int hashCode() {
+        int result = super.hashCode();
+        result = 31 * result + (toName != null ? toName.hashCode() : 0);
+        return result;
+    }
+}

common/data/src/main/java/org/thingsboard/server/common/data/relation/RelationTypeGroup.java

@@ -0,0 +1,23 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.common.data.relation;
+
+public enum RelationTypeGroup {
+
+    COMMON,
+    ALARM
+
+}

common/data/src/main/java/org/thingsboard/server/common/data/rule/RuleMetaData.java

@@ -17,6 +17,7 @@ package org.thingsboard.server.common.data.rule;
 
 import lombok.Data;
 import lombok.ToString;
+import org.thingsboard.server.common.data.HasName;
 import org.thingsboard.server.common.data.SearchTextBased;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.RuleId;
@@ -26,7 +27,7 @@ import com.fasterxml.jackson.databind.JsonNode;
 import org.thingsboard.server.common.data.plugin.ComponentLifecycleState;
 
 @Data
-public class RuleMetaData extends SearchTextBased<RuleId> {
+public class RuleMetaData extends SearchTextBased<RuleId> implements HasName {
 
     private static final long serialVersionUID = -5656679015122935465L;
 
@@ -66,4 +67,9 @@ public class RuleMetaData extends SearchTextBased<RuleId> {
         return name;
     }
 
+    @Override
+    public String getName() {
+        return name;
+    }
+
 }

dao/src/main/java/org/thingsboard/server/dao/AbstractModelDao.java

@@ -127,7 +127,7 @@ public abstract class AbstractModelDao<T extends BaseEntity<?>> extends Abstract
         log.debug("Save entity {}", entity);
         if (entity.getId() == null) {
             entity.setId(UUIDs.timeBased());
-        } else {
+        } else if (isDeleteOnSave()) {
             removeById(entity.getId());
         }
         Statement saveStatement = getSaveQuery(entity);
@@ -136,6 +136,10 @@ public abstract class AbstractModelDao<T extends BaseEntity<?>> extends Abstract
         return new EntityResultSet<>(resultSet, entity);
     }
 
+    protected boolean isDeleteOnSave() {
+        return true;
+    }
+
     public T save(T entity) {
         return saveWithResult(entity).getEntity();
     }
@@ -161,9 +165,18 @@ public abstract class AbstractModelDao<T extends BaseEntity<?>> extends Abstract
         return getSession().execute(delete);
     }
 
-
     public List<T> find() {
         log.debug("Get all entities from column family {}", getColumnFamilyName());
         return findListByStatement(QueryBuilder.select().all().from(getColumnFamilyName()).setConsistencyLevel(cluster.getDefaultReadConsistencyLevel()));
     }
+
+    protected static <T> Function<BaseEntity<T>, T> toDataFunction() {
+        return new Function<BaseEntity<T>, T>() {
+            @Nullable
+            @Override
+            public T apply(@Nullable BaseEntity<T> entity) {
+                return entity != null ? entity.toData() : null;
+            }
+        };
+    }
 }

dao/src/main/java/org/thingsboard/server/dao/AbstractSearchTimeDao.java

@@ -47,8 +47,27 @@ public abstract class AbstractSearchTimeDao<T extends BaseEntity<?>> extends Abs
         return findPageWithTimeSearch(searchView, clauses, Collections.singletonList(ordering), pageLink);
     }
 
-
     protected List<T> findPageWithTimeSearch(String searchView, List<Clause> clauses, List<Ordering> topLevelOrderings, TimePageLink pageLink) {
+        return findPageWithTimeSearch(searchView, clauses, topLevelOrderings, pageLink, ModelConstants.ID_PROPERTY);
+    }
+
+    protected List<T> findPageWithTimeSearch(String searchView, List<Clause> clauses, TimePageLink pageLink, String idColumn) {
+        return findPageWithTimeSearch(searchView, clauses, Collections.emptyList(), pageLink, idColumn);
+    }
+
+    protected List<T> findPageWithTimeSearch(String searchView, List<Clause> clauses, List<Ordering> topLevelOrderings, TimePageLink pageLink, String idColumn) {
+        return findListByStatement(buildQuery(searchView, clauses, topLevelOrderings, pageLink, idColumn));
+    }
+
+    public static Where buildQuery(String searchView, List<Clause> clauses, TimePageLink pageLink, String idColumn) {
+        return buildQuery(searchView, clauses, Collections.emptyList(), pageLink, idColumn);
+    }
+
+    public static Where buildQuery(String searchView, List<Clause> clauses, Ordering order, TimePageLink pageLink, String idColumn) {
+        return buildQuery(searchView, clauses, Collections.singletonList(order), pageLink, idColumn);
+    }
+
+    public static Where buildQuery(String searchView, List<Clause> clauses, List<Ordering> topLevelOrderings, TimePageLink pageLink, String idColumn) {
         Select select = select().from(searchView);
         Where query = select.where();
         for (Clause clause : clauses) {
@@ -57,34 +76,35 @@ public abstract class AbstractSearchTimeDao<T extends BaseEntity<?>> extends Abs
         query.limit(pageLink.getLimit());
         if (pageLink.isAscOrder()) {
             if (pageLink.getIdOffset() != null) {
-                query.and(QueryBuilder.gt(ModelConstants.ID_PROPERTY, pageLink.getIdOffset()));
+                query.and(QueryBuilder.gt(idColumn, pageLink.getIdOffset()));
             } else if (pageLink.getStartTime() != null) {
                 final UUID startOf = UUIDs.startOf(pageLink.getStartTime());
-                query.and(QueryBuilder.gte(ModelConstants.ID_PROPERTY, startOf));
+                query.and(QueryBuilder.gte(idColumn, startOf));
             }
             if (pageLink.getEndTime() != null) {
                 final UUID endOf = UUIDs.endOf(pageLink.getEndTime());
-                query.and(QueryBuilder.lte(ModelConstants.ID_PROPERTY, endOf));
+                query.and(QueryBuilder.lte(idColumn, endOf));
             }
         } else {
             if (pageLink.getIdOffset() != null) {
-                query.and(QueryBuilder.lt(ModelConstants.ID_PROPERTY, pageLink.getIdOffset()));
+                query.and(QueryBuilder.lt(idColumn, pageLink.getIdOffset()));
             } else if (pageLink.getEndTime() != null) {
                 final UUID endOf = UUIDs.endOf(pageLink.getEndTime());
-                query.and(QueryBuilder.lte(ModelConstants.ID_PROPERTY, endOf));
+                query.and(QueryBuilder.lte(idColumn, endOf));
             }
             if (pageLink.getStartTime() != null) {
                 final UUID startOf = UUIDs.startOf(pageLink.getStartTime());
-                query.and(QueryBuilder.gte(ModelConstants.ID_PROPERTY, startOf));
+                query.and(QueryBuilder.gte(idColumn, startOf));
             }
         }
         List<Ordering> orderings = new ArrayList<>(topLevelOrderings);
         if (pageLink.isAscOrder()) {
-            orderings.add(QueryBuilder.asc(ModelConstants.ID_PROPERTY));
+            orderings.add(QueryBuilder.asc(idColumn));
         } else {
-            orderings.add(QueryBuilder.desc(ModelConstants.ID_PROPERTY));
+            orderings.add(QueryBuilder.desc(idColumn));
         }
         query.orderBy(orderings.toArray(new Ordering[orderings.size()]));
-        return findListByStatement(query);
+        return query;
     }
+
 }

dao/src/main/java/org/thingsboard/server/dao/alarm/AlarmDao.java

@@ -15,8 +15,27 @@
  */
 package org.thingsboard.server.dao.alarm;
 
+import com.google.common.util.concurrent.ListenableFuture;
+import org.thingsboard.server.common.data.alarm.Alarm;
+import org.thingsboard.server.common.data.alarm.AlarmQuery;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.dao.Dao;
+import org.thingsboard.server.dao.model.AlarmEntity;
+
+import java.util.List;
+import java.util.UUID;
+
 /**
  * Created by ashvayka on 11.05.17.
  */
-public interface AlarmDao {
+public interface AlarmDao extends Dao<AlarmEntity> {
+
+    ListenableFuture<Alarm> findLatestByOriginatorAndType(TenantId tenantId, EntityId originator, String type);
+
+    ListenableFuture<Alarm> findAlarmByIdAsync(UUID key);
+
+    AlarmEntity save(Alarm alarm);
+
+    ListenableFuture<List<Alarm>> findAlarms(AlarmQuery query);
 }

dao/src/main/java/org/thingsboard/server/dao/alarm/AlarmDaoImpl.java

@@ -0,0 +1,110 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.dao.alarm;
+
+import com.datastax.driver.core.querybuilder.QueryBuilder;
+import com.datastax.driver.core.querybuilder.Select;
+import com.google.common.util.concurrent.AsyncFunction;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.alarm.Alarm;
+import org.thingsboard.server.common.data.alarm.AlarmQuery;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.common.data.relation.RelationTypeGroup;
+import org.thingsboard.server.dao.AbstractModelDao;
+import org.thingsboard.server.dao.AbstractSearchTimeDao;
+import org.thingsboard.server.dao.model.AlarmEntity;
+import org.thingsboard.server.dao.model.ModelConstants;
+import org.thingsboard.server.dao.relation.RelationDao;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+
+import static com.datastax.driver.core.querybuilder.QueryBuilder.eq;
+import static com.datastax.driver.core.querybuilder.QueryBuilder.select;
+import static org.thingsboard.server.dao.model.ModelConstants.*;
+
+@Component
+@Slf4j
+public class AlarmDaoImpl extends AbstractModelDao<AlarmEntity> implements AlarmDao {
+
+    @Autowired
+    private RelationDao relationDao;
+
+    @Override
+    protected Class<AlarmEntity> getColumnFamilyClass() {
+        return AlarmEntity.class;
+    }
+
+    @Override
+    protected String getColumnFamilyName() {
+        return ALARM_COLUMN_FAMILY_NAME;
+    }
+
+    protected boolean isDeleteOnSave() {
+        return false;
+    }
+
+    @Override
+    public AlarmEntity save(Alarm alarm) {
+        log.debug("Save asset [{}] ", alarm);
+        return save(new AlarmEntity(alarm));
+    }
+
+    @Override
+    public ListenableFuture<Alarm> findLatestByOriginatorAndType(TenantId tenantId, EntityId originator, String type) {
+        Select select = select().from(ALARM_COLUMN_FAMILY_NAME);
+        Select.Where query = select.where();
+        query.and(eq(ALARM_TENANT_ID_PROPERTY, tenantId.getId()));
+        query.and(eq(ALARM_ORIGINATOR_ID_PROPERTY, originator.getId()));
+        query.and(eq(ALARM_ORIGINATOR_TYPE_PROPERTY, originator.getEntityType()));
+        query.and(eq(ALARM_TYPE_PROPERTY, type));
+        query.limit(1);
+        query.orderBy(QueryBuilder.asc(ModelConstants.ALARM_TYPE_PROPERTY), QueryBuilder.desc(ModelConstants.ID_PROPERTY));
+        return Futures.transform(findOneByStatementAsync(query), toDataFunction());
+    }
+
+    @Override
+    public ListenableFuture<Alarm> findAlarmByIdAsync(UUID key) {
+        log.debug("Get alarm by id {}", key);
+        Select.Where query = select().from(ALARM_BY_ID_VIEW_NAME).where(eq(ModelConstants.ID_PROPERTY, key));
+        query.limit(1);
+        log.trace("Execute query {}", query);
+        return Futures.transform(findOneByStatementAsync(query), toDataFunction());
+    }
+
+    @Override
+    public ListenableFuture<List<Alarm>> findAlarms(AlarmQuery query) {
+        log.trace("Try to find alarms by entity [{}], status [{}] and pageLink [{}]", query.getAffectedEntityId(), query.getStatus(), query.getPageLink());
+        EntityId affectedEntity = query.getAffectedEntityId();
+        String relationType = query.getStatus() == null ? BaseAlarmService.ALARM_RELATION : BaseAlarmService.ALARM_RELATION_PREFIX + query.getStatus().name();
+        ListenableFuture<List<EntityRelation>> relations = relationDao.findRelations(affectedEntity, relationType, RelationTypeGroup.ALARM, EntityType.ALARM, query.getPageLink());
+        return Futures.transform(relations, (AsyncFunction<List<EntityRelation>, List<Alarm>>) input -> {
+            List<ListenableFuture<Alarm>> alarmFutures = new ArrayList<>(input.size());
+            for (EntityRelation relation : input) {
+                alarmFutures.add(findAlarmByIdAsync(relation.getTo().getId()));
+            }
+            return Futures.successfulAsList(alarmFutures);
+        });
+    }
+}

dao/src/main/java/org/thingsboard/server/dao/alarm/AlarmService.java

@@ -21,20 +21,18 @@ import org.thingsboard.server.common.data.alarm.AlarmId;
 import org.thingsboard.server.common.data.alarm.AlarmQuery;
 import org.thingsboard.server.common.data.page.TimePageData;
 
-import java.util.Optional;
-
 /**
  * Created by ashvayka on 11.05.17.
  */
 public interface AlarmService {
 
-    Optional<Alarm> saveIfNotExists(Alarm alarm);
+    Alarm createOrUpdateAlarm(Alarm alarm);
 
-    ListenableFuture<Boolean> updateAlarm(Alarm alarm);
+    ListenableFuture<Boolean> ackAlarm(AlarmId alarmId, long ackTs);
 
-    ListenableFuture<Boolean> ackAlarm(Alarm alarm);
+    ListenableFuture<Boolean> clearAlarm(AlarmId alarmId, long ackTs);
 
-    ListenableFuture<Boolean> clearAlarm(AlarmId alarmId);
+    ListenableFuture<Alarm> findAlarmByIdAsync(AlarmId alarmId);
 
     ListenableFuture<TimePageData<Alarm>> findAlarms(AlarmQuery query);
 

dao/src/main/java/org/thingsboard/server/dao/alarm/BaseAlarmService.java

@@ -0,0 +1,292 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.dao.alarm;
+
+
+import com.google.common.base.Function;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
+import org.thingsboard.server.common.data.alarm.Alarm;
+import org.thingsboard.server.common.data.alarm.AlarmId;
+import org.thingsboard.server.common.data.alarm.AlarmQuery;
+import org.thingsboard.server.common.data.alarm.AlarmStatus;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.page.TimePageData;
+import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.common.data.relation.RelationTypeGroup;
+import org.thingsboard.server.dao.entity.AbstractEntityService;
+import org.thingsboard.server.dao.entity.BaseEntityService;
+import org.thingsboard.server.dao.exception.DataValidationException;
+import org.thingsboard.server.dao.model.*;
+import org.thingsboard.server.dao.relation.EntityRelationsQuery;
+import org.thingsboard.server.dao.relation.EntitySearchDirection;
+import org.thingsboard.server.dao.relation.RelationService;
+import org.thingsboard.server.dao.relation.RelationsSearchParameters;
+import org.thingsboard.server.dao.service.DataValidator;
+import org.thingsboard.server.dao.tenant.TenantDao;
+
+import javax.annotation.Nullable;
+import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.stream.Collectors;
+
+import static org.thingsboard.server.dao.DaoUtil.*;
+import static org.thingsboard.server.dao.service.Validator.*;
+
+@Service
+@Slf4j
+public class BaseAlarmService extends AbstractEntityService implements AlarmService {
+
+    public static final String ALARM_RELATION_PREFIX = "ALARM_";
+    public static final String ALARM_RELATION = "ALARM_ANY";
+
+    @Autowired
+    private AlarmDao alarmDao;
+
+    @Autowired
+    private TenantDao tenantDao;
+
+    @Autowired
+    private RelationService relationService;
+
+    protected ExecutorService readResultsProcessingExecutor;
+
+    @PostConstruct
+    public void startExecutor() {
+        readResultsProcessingExecutor = Executors.newCachedThreadPool();
+    }
+
+    @PreDestroy
+    public void stopExecutor() {
+        if (readResultsProcessingExecutor != null) {
+            readResultsProcessingExecutor.shutdownNow();
+        }
+    }
+
+    @Override
+    public Alarm createOrUpdateAlarm(Alarm alarm) {
+        alarmDataValidator.validate(alarm);
+        try {
+            if (alarm.getStartTs() == 0L) {
+                alarm.setStartTs(System.currentTimeMillis());
+            }
+            if (alarm.getEndTs() == 0L) {
+                alarm.setEndTs(alarm.getStartTs());
+            }
+            if (alarm.getId() == null) {
+                Alarm existing = alarmDao.findLatestByOriginatorAndType(alarm.getTenantId(), alarm.getOriginator(), alarm.getType()).get();
+                if (existing == null || existing.getStatus().isCleared()) {
+                    return createAlarm(alarm);
+                } else {
+                    return updateAlarm(existing, alarm);
+                }
+            } else {
+                return updateAlarm(alarm).get();
+            }
+        } catch (ExecutionException | InterruptedException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private Alarm createAlarm(Alarm alarm) throws InterruptedException, ExecutionException {
+        log.debug("New Alarm : {}", alarm);
+        Alarm saved = getData(alarmDao.save(new AlarmEntity(alarm)));
+        EntityRelationsQuery query = new EntityRelationsQuery();
+        query.setParameters(new RelationsSearchParameters(saved.getOriginator(), EntitySearchDirection.TO, Integer.MAX_VALUE));
+        List<EntityId> parentEntities = relationService.findByQuery(query).get().stream().map(r -> r.getFrom()).collect(Collectors.toList());
+        for (EntityId parentId : parentEntities) {
+            createRelation(new EntityRelation(parentId, saved.getId(), ALARM_RELATION, RelationTypeGroup.ALARM));
+            createRelation(new EntityRelation(parentId, saved.getId(), ALARM_RELATION_PREFIX + saved.getStatus().name(), RelationTypeGroup.ALARM));
+        }
+        createRelation(new EntityRelation(alarm.getOriginator(), saved.getId(), ALARM_RELATION, RelationTypeGroup.ALARM));
+        createRelation(new EntityRelation(alarm.getOriginator(), saved.getId(), ALARM_RELATION_PREFIX + saved.getStatus().name(), RelationTypeGroup.ALARM));
+        return saved;
+    }
+
+    protected ListenableFuture<Alarm> updateAlarm(Alarm update) {
+        alarmDataValidator.validate(update);
+        return getAndUpdate(update.getId(), new Function<Alarm, Alarm>() {
+            @Nullable
+            @Override
+            public Alarm apply(@Nullable Alarm alarm) {
+                if (alarm == null) {
+                    return null;
+                } else {
+                    return updateAlarm(alarm, update);
+                }
+            }
+        });
+    }
+
+    private Alarm updateAlarm(Alarm oldAlarm, Alarm newAlarm) {
+        AlarmStatus oldStatus = oldAlarm.getStatus();
+        AlarmStatus newStatus = newAlarm.getStatus();
+        AlarmEntity result = alarmDao.save(new AlarmEntity(merge(oldAlarm, newAlarm)));
+        if (oldStatus != newStatus) {
+            updateRelations(oldAlarm, oldStatus, newStatus);
+        }
+        return result.toData();
+    }
+
+    @Override
+    public ListenableFuture<Boolean> ackAlarm(AlarmId alarmId, long ackTime) {
+        return getAndUpdate(alarmId, new Function<Alarm, Boolean>() {
+            @Nullable
+            @Override
+            public Boolean apply(@Nullable Alarm alarm) {
+                if (alarm == null || alarm.getStatus().isAck()) {
+                    return false;
+                } else {
+                    AlarmStatus oldStatus = alarm.getStatus();
+                    AlarmStatus newStatus = oldStatus.isCleared() ? AlarmStatus.CLEARED_ACK : AlarmStatus.ACTIVE_ACK;
+                    alarm.setStatus(newStatus);
+                    alarm.setAckTs(ackTime);
+                    alarmDao.save(new AlarmEntity(alarm));
+                    updateRelations(alarm, oldStatus, newStatus);
+                    return true;
+                }
+            }
+        });
+    }
+
+    @Override
+    public ListenableFuture<Boolean> clearAlarm(AlarmId alarmId, long clearTime) {
+        return getAndUpdate(alarmId, new Function<Alarm, Boolean>() {
+            @Nullable
+            @Override
+            public Boolean apply(@Nullable Alarm alarm) {
+                if (alarm == null || alarm.getStatus().isCleared()) {
+                    return false;
+                } else {
+                    AlarmStatus oldStatus = alarm.getStatus();
+                    AlarmStatus newStatus = oldStatus.isAck() ? AlarmStatus.CLEARED_ACK : AlarmStatus.CLEARED_UNACK;
+                    alarm.setStatus(newStatus);
+                    alarm.setClearTs(clearTime);
+                    alarmDao.save(new AlarmEntity(alarm));
+                    updateRelations(alarm, oldStatus, newStatus);
+                    return true;
+                }
+            }
+        });
+    }
+
+    @Override
+    public ListenableFuture<Alarm> findAlarmByIdAsync(AlarmId alarmId) {
+        log.trace("Executing findAlarmById [{}]", alarmId);
+        validateId(alarmId, "Incorrect alarmId " + alarmId);
+        return alarmDao.findAlarmByIdAsync(alarmId.getId());
+    }
+
+    @Override
+    public ListenableFuture<TimePageData<Alarm>> findAlarms(AlarmQuery query) {
+        ListenableFuture<List<Alarm>> alarms = alarmDao.findAlarms(query);
+        return Futures.transform(alarms, new Function<List<Alarm>, TimePageData<Alarm>>() {
+            @Nullable
+            @Override
+            public TimePageData<Alarm> apply(@Nullable List<Alarm> alarms) {
+                return new TimePageData<>(alarms, query.getPageLink());
+            }
+        });
+    }
+
+    private void deleteRelation(EntityRelation alarmRelation) throws ExecutionException, InterruptedException {
+        log.debug("Deleting Alarm relation: {}", alarmRelation);
+        relationService.deleteRelation(alarmRelation).get();
+    }
+
+    private void createRelation(EntityRelation alarmRelation) throws ExecutionException, InterruptedException {
+        log.debug("Creating Alarm relation: {}", alarmRelation);
+        relationService.saveRelation(alarmRelation).get();
+    }
+
+    private Alarm merge(Alarm existing, Alarm alarm) {
+        if (alarm.getStartTs() > existing.getEndTs()) {
+            existing.setEndTs(alarm.getStartTs());
+        }
+        if (alarm.getEndTs() > existing.getEndTs()) {
+            existing.setEndTs(alarm.getEndTs());
+        }
+        if (alarm.getClearTs() > existing.getClearTs()) {
+            existing.setClearTs(alarm.getClearTs());
+        }
+        if (alarm.getAckTs() > existing.getAckTs()) {
+            existing.setAckTs(alarm.getAckTs());
+        }
+        existing.setStatus(alarm.getStatus());
+        existing.setSeverity(alarm.getSeverity());
+        existing.setDetails(alarm.getDetails());
+        return existing;
+    }
+
+    private void updateRelations(Alarm alarm, AlarmStatus oldStatus, AlarmStatus newStatus) {
+        try {
+            EntityRelationsQuery query = new EntityRelationsQuery();
+            query.setParameters(new RelationsSearchParameters(alarm.getOriginator(), EntitySearchDirection.TO, Integer.MAX_VALUE));
+            List<EntityId> parentEntities = relationService.findByQuery(query).get().stream().map(r -> r.getFrom()).collect(Collectors.toList());
+            for (EntityId parentId : parentEntities) {
+                deleteRelation(new EntityRelation(parentId, alarm.getId(), ALARM_RELATION_PREFIX + oldStatus.name(), RelationTypeGroup.ALARM));
+                createRelation(new EntityRelation(parentId, alarm.getId(), ALARM_RELATION_PREFIX + newStatus.name(), RelationTypeGroup.ALARM));
+            }
+            deleteRelation(new EntityRelation(alarm.getOriginator(), alarm.getId(), ALARM_RELATION_PREFIX + oldStatus.name(), RelationTypeGroup.ALARM));
+            createRelation(new EntityRelation(alarm.getOriginator(), alarm.getId(), ALARM_RELATION_PREFIX + newStatus.name(), RelationTypeGroup.ALARM));
+        } catch (ExecutionException | InterruptedException e) {
+            log.warn("[{}] Failed to update relations. Old status: [{}], New status: [{}]", alarm.getId(), oldStatus, newStatus);
+            throw new RuntimeException(e);
+        }
+    }
+
+    private <T> ListenableFuture<T> getAndUpdate(AlarmId alarmId, Function<Alarm, T> function) {
+        validateId(alarmId, "Alarm id should be specified!");
+        ListenableFuture<Alarm> entity = alarmDao.findAlarmByIdAsync(alarmId.getId());
+        return Futures.transform(entity, function, readResultsProcessingExecutor);
+    }
+
+    private DataValidator<Alarm> alarmDataValidator =
+            new DataValidator<Alarm>() {
+
+                @Override
+                protected void validateDataImpl(Alarm alarm) {
+                    if (StringUtils.isEmpty(alarm.getType())) {
+                        throw new DataValidationException("Alarm type should be specified!");
+                    }
+                    if (alarm.getOriginator() == null) {
+                        throw new DataValidationException("Alarm originator should be specified!");
+                    }
+                    if (alarm.getSeverity() == null) {
+                        throw new DataValidationException("Alarm severity should be specified!");
+                    }
+                    if (alarm.getStatus() == null) {
+                        throw new DataValidationException("Alarm status should be specified!");
+                    }
+                    if (alarm.getTenantId() == null) {
+                        throw new DataValidationException("Alarm should be assigned to tenant!");
+                    } else {
+                        TenantEntity tenant = tenantDao.findById(alarm.getTenantId().getId());
+                        if (tenant == null) {
+                            throw new DataValidationException("Alarm is referencing to non-existent tenant!");
+                        }
+                    }
+                }
+            };
+}

dao/src/main/java/org/thingsboard/server/dao/asset/AssetDao.java

@@ -16,12 +16,11 @@
 package org.thingsboard.server.dao.asset;
 
 import com.google.common.util.concurrent.ListenableFuture;
-import org.thingsboard.server.common.data.Device;
 import org.thingsboard.server.common.data.asset.Asset;
 import org.thingsboard.server.common.data.page.TextPageLink;
 import org.thingsboard.server.dao.Dao;
 import org.thingsboard.server.dao.model.AssetEntity;
-import org.thingsboard.server.dao.model.DeviceEntity;
+import org.thingsboard.server.dao.model.TenantAssetTypeEntity;
 
 import java.util.List;
 import java.util.Optional;
@@ -50,6 +49,16 @@ public interface AssetDao extends Dao<AssetEntity> {
      */
     List<AssetEntity> findAssetsByTenantId(UUID tenantId, TextPageLink pageLink);
 
+    /**
+     * Find assets by tenantId, type and page link.
+     *
+     * @param tenantId the tenantId
+     * @param type the type
+     * @param pageLink the page link
+     * @return the list of asset objects
+     */
+    List<AssetEntity> findAssetsByTenantIdAndType(UUID tenantId, String type, TextPageLink pageLink);
+
     /**
      * Find assets by tenantId and assets Ids.
      *
@@ -69,6 +78,17 @@ public interface AssetDao extends Dao<AssetEntity> {
      */
     List<AssetEntity> findAssetsByTenantIdAndCustomerId(UUID tenantId, UUID customerId, TextPageLink pageLink);
 
+    /**
+     * Find assets by tenantId, customerId, type and page link.
+     *
+     * @param tenantId the tenantId
+     * @param customerId the customerId
+     * @param type the type
+     * @param pageLink the page link
+     * @return the list of asset objects
+     */
+    List<AssetEntity> findAssetsByTenantIdAndCustomerIdAndType(UUID tenantId, UUID customerId, String type, TextPageLink pageLink);
+
     /**
      * Find assets by tenantId, customerId and assets Ids.
      *
@@ -87,4 +107,12 @@ public interface AssetDao extends Dao<AssetEntity> {
      * @return the optional asset object
      */
     Optional<AssetEntity> findAssetsByTenantIdAndName(UUID tenantId, String name);
+
+    /**
+     * Find tenants asset types.
+     *
+     * @return the list of tenant asset type objects
+     */
+    ListenableFuture<List<TenantAssetTypeEntity>> findTenantAssetTypesAsync();
+
 }

dao/src/main/java/org/thingsboard/server/dao/asset/AssetDaoImpl.java

@@ -15,7 +15,12 @@
  */
 package org.thingsboard.server.dao.asset;
 
+import com.datastax.driver.core.ResultSet;
+import com.datastax.driver.core.ResultSetFuture;
 import com.datastax.driver.core.querybuilder.Select;
+import com.datastax.driver.mapping.Result;
+import com.google.common.base.Function;
+import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
@@ -23,7 +28,9 @@ import org.thingsboard.server.common.data.asset.Asset;
 import org.thingsboard.server.common.data.page.TextPageLink;
 import org.thingsboard.server.dao.AbstractSearchTextDao;
 import org.thingsboard.server.dao.model.AssetEntity;
+import org.thingsboard.server.dao.model.TenantAssetTypeEntity;
 
+import javax.annotation.Nullable;
 import java.util.*;
 
 import static com.datastax.driver.core.querybuilder.QueryBuilder.*;
@@ -59,6 +66,16 @@ public class AssetDaoImpl extends AbstractSearchTextDao<AssetEntity> implements
         return assetEntities;
     }
 
+    @Override
+    public List<AssetEntity> findAssetsByTenantIdAndType(UUID tenantId, String type, TextPageLink pageLink) {
+        log.debug("Try to find assets by tenantId [{}], type [{}] and pageLink [{}]", tenantId, type, pageLink);
+        List<AssetEntity> assetEntities = findPageWithTextSearch(ASSET_BY_TENANT_BY_TYPE_AND_SEARCH_TEXT_COLUMN_FAMILY_NAME,
+                Arrays.asList(eq(ASSET_TYPE_PROPERTY, type),
+                        eq(ASSET_TENANT_ID_PROPERTY, tenantId)), pageLink);
+        log.trace("Found assets [{}] by tenantId [{}], type [{}] and pageLink [{}]", assetEntities, tenantId, type, pageLink);
+        return assetEntities;
+    }
+
     @Override
     public ListenableFuture<List<AssetEntity>> findAssetsByTenantIdAndIdsAsync(UUID tenantId, List<UUID> assetIds) {
         log.debug("Try to find assets by tenantId [{}] and asset Ids [{}]", tenantId, assetIds);
@@ -81,6 +98,19 @@ public class AssetDaoImpl extends AbstractSearchTextDao<AssetEntity> implements
         return assetEntities;
     }
 
+    @Override
+    public List<AssetEntity> findAssetsByTenantIdAndCustomerIdAndType(UUID tenantId, UUID customerId, String type, TextPageLink pageLink) {
+        log.debug("Try to find assets by tenantId [{}], customerId [{}], type [{}] and pageLink [{}]", tenantId, customerId, type, pageLink);
+        List<AssetEntity> assetEntities = findPageWithTextSearch(ASSET_BY_CUSTOMER_BY_TYPE_AND_SEARCH_TEXT_COLUMN_FAMILY_NAME,
+                Arrays.asList(eq(ASSET_TYPE_PROPERTY, type),
+                        eq(ASSET_CUSTOMER_ID_PROPERTY, customerId),
+                        eq(ASSET_TENANT_ID_PROPERTY, tenantId)),
+                pageLink);
+
+        log.trace("Found assets [{}] by tenantId [{}], customerId [{}], type [{}] and pageLink [{}]", assetEntities, tenantId, customerId, type, pageLink);
+        return assetEntities;
+    }
+
     @Override
     public ListenableFuture<List<AssetEntity>> findAssetsByTenantIdCustomerIdAndIdsAsync(UUID tenantId, UUID customerId, List<UUID> assetIds) {
         log.debug("Try to find assets by tenantId [{}], customerId [{}] and asset Ids [{}]", tenantId, customerId, assetIds);
@@ -101,4 +131,24 @@ public class AssetDaoImpl extends AbstractSearchTextDao<AssetEntity> implements
         return Optional.ofNullable(findOneByStatement(query));
     }
 
+    @Override
+    public ListenableFuture<List<TenantAssetTypeEntity>> findTenantAssetTypesAsync() {
+        Select statement = select().distinct().column(ASSET_TYPE_PROPERTY).column(ASSET_TENANT_ID_PROPERTY).from(ASSET_TYPES_BY_TENANT_VIEW_NAME);
+        statement.setConsistencyLevel(cluster.getDefaultReadConsistencyLevel());
+        ResultSetFuture resultSetFuture = getSession().executeAsync(statement);
+        ListenableFuture<List<TenantAssetTypeEntity>> result = Futures.transform(resultSetFuture, new Function<ResultSet, List<TenantAssetTypeEntity>>() {
+            @Nullable
+            @Override
+            public List<TenantAssetTypeEntity> apply(@Nullable ResultSet resultSet) {
+                Result<TenantAssetTypeEntity> result = cluster.getMapper(TenantAssetTypeEntity.class).map(resultSet);
+                if (result != null) {
+                    return result.all();
+                } else {
+                    return Collections.emptyList();
+                }
+            }
+        });
+        return result;
+    }
+
 }

dao/src/main/java/org/thingsboard/server/dao/asset/AssetService.java

@@ -17,6 +17,7 @@ package org.thingsboard.server.dao.asset;
 
 import com.google.common.util.concurrent.ListenableFuture;
 import org.thingsboard.server.common.data.asset.Asset;
+import org.thingsboard.server.common.data.asset.TenantAssetType;
 import org.thingsboard.server.common.data.id.AssetId;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.TenantId;
@@ -34,7 +35,7 @@ public interface AssetService {
 
     Optional<Asset> findAssetByTenantIdAndName(TenantId tenantId, String name);
 
-    Asset saveAsset(Asset device);
+    Asset saveAsset(Asset asset);
 
     Asset assignAssetToCustomer(AssetId assetId, CustomerId customerId);
 
@@ -44,16 +45,21 @@ public interface AssetService {
 
     TextPageData<Asset> findAssetsByTenantId(TenantId tenantId, TextPageLink pageLink);
 
+    TextPageData<Asset> findAssetsByTenantIdAndType(TenantId tenantId, String type, TextPageLink pageLink);
+
     ListenableFuture<List<Asset>> findAssetsByTenantIdAndIdsAsync(TenantId tenantId, List<AssetId> assetIds);
 
     void deleteAssetsByTenantId(TenantId tenantId);
 
     TextPageData<Asset> findAssetsByTenantIdAndCustomerId(TenantId tenantId, CustomerId customerId, TextPageLink pageLink);
 
+    TextPageData<Asset> findAssetsByTenantIdAndCustomerIdAndType(TenantId tenantId, CustomerId customerId, String type, TextPageLink pageLink);
+
     ListenableFuture<List<Asset>> findAssetsByTenantIdCustomerIdAndIdsAsync(TenantId tenantId, CustomerId customerId, List<AssetId> assetIds);
 
     void unassignCustomerAssets(TenantId tenantId, CustomerId customerId);
 
     ListenableFuture<List<Asset>> findAssetsByQuery(AssetSearchQuery query);
 
+    ListenableFuture<List<TenantAssetType>> findAssetTypesByTenantId(TenantId tenantId);
 }

dao/src/main/java/org/thingsboard/server/dao/asset/BaseAssetService.java

@@ -26,6 +26,7 @@ import org.springframework.stereotype.Service;
 import org.springframework.util.StringUtils;
 import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.asset.Asset;
+import org.thingsboard.server.common.data.asset.TenantAssetType;
 import org.thingsboard.server.common.data.id.AssetId;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.EntityId;
@@ -34,12 +35,9 @@ import org.thingsboard.server.common.data.page.TextPageData;
 import org.thingsboard.server.common.data.page.TextPageLink;
 import org.thingsboard.server.common.data.relation.EntityRelation;
 import org.thingsboard.server.dao.customer.CustomerDao;
-import org.thingsboard.server.dao.entity.BaseEntityService;
+import org.thingsboard.server.dao.entity.AbstractEntityService;
 import org.thingsboard.server.dao.exception.DataValidationException;
-import org.thingsboard.server.dao.model.AssetEntity;
-import org.thingsboard.server.dao.model.CustomerEntity;
-import org.thingsboard.server.dao.model.TenantEntity;
-import org.thingsboard.server.dao.relation.EntityRelationsQuery;
+import org.thingsboard.server.dao.model.*;
 import org.thingsboard.server.dao.relation.EntitySearchDirection;
 import org.thingsboard.server.dao.service.DataValidator;
 import org.thingsboard.server.dao.service.PaginatedRemover;
@@ -57,7 +55,7 @@ import static org.thingsboard.server.dao.service.Validator.*;
 
 @Service
 @Slf4j
-public class BaseAssetService extends BaseEntityService implements AssetService {
+public class BaseAssetService extends AbstractEntityService implements AssetService {
 
     @Autowired
     private AssetDao assetDao;
@@ -132,7 +130,18 @@ public class BaseAssetService extends BaseEntityService implements AssetService
         validatePageLink(pageLink, "Incorrect page link " + pageLink);
         List<AssetEntity> assetEntities = assetDao.findAssetsByTenantId(tenantId.getId(), pageLink);
         List<Asset> assets = convertDataList(assetEntities);
-        return new TextPageData<Asset>(assets, pageLink);
+        return new TextPageData<>(assets, pageLink);
+    }
+
+    @Override
+    public TextPageData<Asset> findAssetsByTenantIdAndType(TenantId tenantId, String type, TextPageLink pageLink) {
+        log.trace("Executing findAssetsByTenantIdAndType, tenantId [{}], type [{}], pageLink [{}]", tenantId, type, pageLink);
+        validateId(tenantId, "Incorrect tenantId " + tenantId);
+        validateString(type, "Incorrect type " + type);
+        validatePageLink(pageLink, "Incorrect page link " + pageLink);
+        List<AssetEntity> assetEntities = assetDao.findAssetsByTenantIdAndType(tenantId.getId(), type, pageLink);
+        List<Asset> assets = convertDataList(assetEntities);
+        return new TextPageData<>(assets, pageLink);
     }
 
     @Override
@@ -159,7 +168,19 @@ public class BaseAssetService extends BaseEntityService implements AssetService
         validatePageLink(pageLink, "Incorrect page link " + pageLink);
         List<AssetEntity> assetEntities = assetDao.findAssetsByTenantIdAndCustomerId(tenantId.getId(), customerId.getId(), pageLink);
         List<Asset> assets = convertDataList(assetEntities);
-        return new TextPageData<Asset>(assets, pageLink);
+        return new TextPageData<>(assets, pageLink);
+    }
+
+    @Override
+    public TextPageData<Asset> findAssetsByTenantIdAndCustomerIdAndType(TenantId tenantId, CustomerId customerId, String type, TextPageLink pageLink) {
+        log.trace("Executing findAssetsByTenantIdAndCustomerIdAndType, tenantId [{}], customerId [{}], type [{}], pageLink [{}]", tenantId, customerId, type, pageLink);
+        validateId(tenantId, "Incorrect tenantId " + tenantId);
+        validateId(customerId, "Incorrect customerId " + customerId);
+        validateString(type, "Incorrect type " + type);
+        validatePageLink(pageLink, "Incorrect page link " + pageLink);
+        List<AssetEntity> assetEntities = assetDao.findAssetsByTenantIdAndCustomerIdAndType(tenantId.getId(), customerId.getId(), type, pageLink);
+        List<Asset> assets = convertDataList(assetEntities);
+        return new TextPageData<>(assets, pageLink);
     }
 
     @Override
@@ -207,6 +228,25 @@ public class BaseAssetService extends BaseEntityService implements AssetService
         return assets;
     }
 
+    @Override
+    public ListenableFuture<List<TenantAssetType>> findAssetTypesByTenantId(TenantId tenantId) {
+        log.trace("Executing findAssetTypesByTenantId, tenantId [{}]", tenantId);
+        validateId(tenantId, "Incorrect tenantId " + tenantId);
+        ListenableFuture<List<TenantAssetTypeEntity>> tenantAssetTypeEntities = assetDao.findTenantAssetTypesAsync();
+        ListenableFuture<List<TenantAssetType>> tenantAssetTypes = Futures.transform(tenantAssetTypeEntities,
+                (Function<List<TenantAssetTypeEntity>, List<TenantAssetType>>) assetTypeEntities -> {
+                    List<TenantAssetType> assetTypes = new ArrayList<>();
+                    for (TenantAssetTypeEntity assetTypeEntity : assetTypeEntities) {
+                        if (assetTypeEntity.getTenantId().equals(tenantId.getId())) {
+                            assetTypes.add(assetTypeEntity.toTenantAssetType());
+                        }
+                    }
+                    assetTypes.sort((TenantAssetType o1, TenantAssetType o2) -> o1.getType().compareTo(o2.getType()));
+                    return assetTypes;
+                });
+        return tenantAssetTypes;
+    }
+
     private DataValidator<Asset> assetValidator =
             new DataValidator<Asset>() {
 
@@ -232,6 +272,9 @@ public class BaseAssetService extends BaseEntityService implements AssetService
 
                 @Override
                 protected void validateDataImpl(Asset asset) {
+                    if (StringUtils.isEmpty(asset.getType())) {
+                        throw new DataValidationException("Asset type should be specified!");
+                    }
                     if (StringUtils.isEmpty(asset.getName())) {
                         throw new DataValidationException("Asset name should be specified!");
                     }

dao/src/main/java/org/thingsboard/server/dao/cache/ServiceCacheConfiguration.java

@@ -45,7 +45,6 @@ public class ServiceCacheConfiguration {
     @Value("${cache.device_credentials.time_to_live}")
     private Integer cacheDeviceCredentialsTTL;
 
-
     @Value("${zk.enabled}")
     private boolean zkEnabled;
     @Value("${zk.url}")

dao/src/main/java/org/thingsboard/server/dao/customer/CustomerServiceImpl.java

@@ -31,17 +31,15 @@ import com.google.common.util.concurrent.ListenableFuture;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 import org.thingsboard.server.common.data.Customer;
-import org.thingsboard.server.common.data.asset.Asset;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.page.TextPageData;
 import org.thingsboard.server.common.data.page.TextPageLink;
 import org.thingsboard.server.dao.dashboard.DashboardService;
 import org.thingsboard.server.dao.device.DeviceService;
-import org.thingsboard.server.dao.entity.BaseEntityService;
+import org.thingsboard.server.dao.entity.AbstractEntityService;
 import org.thingsboard.server.dao.exception.DataValidationException;
 import org.thingsboard.server.dao.exception.IncorrectParameterException;
-import org.thingsboard.server.dao.model.AssetEntity;
 import org.thingsboard.server.dao.model.CustomerEntity;
 import org.thingsboard.server.dao.model.TenantEntity;
 import org.thingsboard.server.dao.service.DataValidator;
@@ -53,7 +51,7 @@ import org.springframework.stereotype.Service;
 import org.thingsboard.server.dao.service.Validator;
 @Service
 @Slf4j
-public class CustomerServiceImpl extends BaseEntityService implements CustomerService {
+public class CustomerServiceImpl extends AbstractEntityService implements CustomerService {
 
     private static final String PUBLIC_CUSTOMER_TITLE = "Public";
 

dao/src/main/java/org/thingsboard/server/dao/dashboard/DashboardService.java

@@ -15,6 +15,7 @@
  */
 package org.thingsboard.server.dao.dashboard;
 
+import com.google.common.util.concurrent.ListenableFuture;
 import org.thingsboard.server.common.data.Dashboard;
 import org.thingsboard.server.common.data.DashboardInfo;
 import org.thingsboard.server.common.data.id.CustomerId;
@@ -27,8 +28,12 @@ public interface DashboardService {
     
     public Dashboard findDashboardById(DashboardId dashboardId);
 
+    public ListenableFuture<Dashboard> findDashboardByIdAsync(DashboardId dashboardId);
+
     public DashboardInfo findDashboardInfoById(DashboardId dashboardId);
 
+    public ListenableFuture<DashboardInfo> findDashboardInfoByIdAsync(DashboardId dashboardId);
+
     public Dashboard saveDashboard(Dashboard dashboard);
     
     public Dashboard assignDashboardToCustomer(DashboardId dashboardId, CustomerId customerId);

dao/src/main/java/org/thingsboard/server/dao/dashboard/DashboardServiceImpl.java

@@ -17,9 +17,13 @@ package org.thingsboard.server.dao.dashboard;
 
 import static org.thingsboard.server.dao.DaoUtil.convertDataList;
 import static org.thingsboard.server.dao.DaoUtil.getData;
+import static org.thingsboard.server.dao.service.Validator.validateId;
 
 import java.util.List;
 
+import com.google.common.base.Function;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 import org.thingsboard.server.common.data.Dashboard;
@@ -30,7 +34,7 @@ import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.page.TextPageData;
 import org.thingsboard.server.common.data.page.TextPageLink;
 import org.thingsboard.server.dao.customer.CustomerDao;
-import org.thingsboard.server.dao.entity.BaseEntityService;
+import org.thingsboard.server.dao.entity.AbstractEntityService;
 import org.thingsboard.server.dao.exception.DataValidationException;
 import org.thingsboard.server.dao.model.*;
 import org.thingsboard.server.dao.service.DataValidator;
@@ -42,7 +46,7 @@ import org.thingsboard.server.dao.service.Validator;
 
 @Service
 @Slf4j
-public class DashboardServiceImpl extends BaseEntityService implements DashboardService {
+public class DashboardServiceImpl extends AbstractEntityService implements DashboardService {
 
     @Autowired
     private DashboardDao dashboardDao;
@@ -64,6 +68,14 @@ public class DashboardServiceImpl extends BaseEntityService implements Dashboard
         return getData(dashboardEntity);
     }
 
+    @Override
+    public ListenableFuture<Dashboard> findDashboardByIdAsync(DashboardId dashboardId) {
+        log.trace("Executing findDashboardByIdAsync [{}]", dashboardId);
+        validateId(dashboardId, "Incorrect dashboardId " + dashboardId);
+        ListenableFuture<DashboardEntity> dashboardEntity = dashboardDao.findByIdAsync(dashboardId.getId());
+        return Futures.transform(dashboardEntity, (Function<? super DashboardEntity, ? extends Dashboard>) input -> getData(input));
+    }
+
     @Override
     public DashboardInfo findDashboardInfoById(DashboardId dashboardId) {
         log.trace("Executing findDashboardInfoById [{}]", dashboardId);
@@ -72,6 +84,14 @@ public class DashboardServiceImpl extends BaseEntityService implements Dashboard
         return getData(dashboardInfoEntity);
     }
 
+    @Override
+    public ListenableFuture<DashboardInfo> findDashboardInfoByIdAsync(DashboardId dashboardId) {
+        log.trace("Executing findDashboardInfoByIdAsync [{}]", dashboardId);
+        validateId(dashboardId, "Incorrect dashboardId " + dashboardId);
+        ListenableFuture<DashboardInfoEntity> dashboardInfoEntity = dashboardInfoDao.findByIdAsync(dashboardId.getId());
+        return Futures.transform(dashboardInfoEntity, (Function<? super DashboardInfoEntity, ? extends DashboardInfo>) input -> getData(input));
+    }
+
     @Override
     public Dashboard saveDashboard(Dashboard dashboard) {
         log.trace("Executing saveDashboard [{}]", dashboard);

dao/src/main/java/org/thingsboard/server/dao/device/DeviceDao.java

@@ -24,6 +24,7 @@ import org.thingsboard.server.common.data.Device;
 import org.thingsboard.server.common.data.page.TextPageLink;
 import org.thingsboard.server.dao.Dao;
 import org.thingsboard.server.dao.model.DeviceEntity;
+import org.thingsboard.server.dao.model.TenantDeviceTypeEntity;
 
 /**
  * The Interface DeviceDao.
@@ -48,6 +49,16 @@ public interface DeviceDao extends Dao<DeviceEntity> {
      */
     List<DeviceEntity> findDevicesByTenantId(UUID tenantId, TextPageLink pageLink);
 
+    /**
+     * Find devices by tenantId, type and page link.
+     *
+     * @param tenantId the tenantId
+     * @param type the type
+     * @param pageLink the page link
+     * @return the list of device objects
+     */
+    List<DeviceEntity> findDevicesByTenantIdAndType(UUID tenantId, String type, TextPageLink pageLink);
+
     /**
      * Find devices by tenantId and devices Ids.
      *
@@ -67,6 +78,18 @@ public interface DeviceDao extends Dao<DeviceEntity> {
      */
     List<DeviceEntity> findDevicesByTenantIdAndCustomerId(UUID tenantId, UUID customerId, TextPageLink pageLink);
 
+    /**
+     * Find devices by tenantId, customerId, type and page link.
+     *
+     * @param tenantId the tenantId
+     * @param customerId the customerId
+     * @param type the type
+     * @param pageLink the page link
+     * @return the list of device objects
+     */
+    List<DeviceEntity> findDevicesByTenantIdAndCustomerIdAndType(UUID tenantId, UUID customerId, String type, TextPageLink pageLink);
+
+
     /**
      * Find devices by tenantId, customerId and devices Ids.
      *
@@ -85,4 +108,11 @@ public interface DeviceDao extends Dao<DeviceEntity> {
      * @return the optional device object
      */
     Optional<DeviceEntity> findDevicesByTenantIdAndName(UUID tenantId, String name);
+
+    /**
+     * Find tenants device types.
+     *
+     * @return the list of tenant device type objects
+     */
+    ListenableFuture<List<TenantDeviceTypeEntity>> findTenantDeviceTypesAsync();
 }

dao/src/main/java/org/thingsboard/server/dao/device/DeviceDaoImpl.java

@@ -22,7 +22,12 @@ import static org.thingsboard.server.dao.model.ModelConstants.*;
 
 import java.util.*;
 
+import com.datastax.driver.core.ResultSet;
+import com.datastax.driver.core.ResultSetFuture;
 import com.datastax.driver.core.querybuilder.Select;
+import com.datastax.driver.mapping.Result;
+import com.google.common.base.Function;
+import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
@@ -32,6 +37,9 @@ import org.thingsboard.server.dao.AbstractSearchTextDao;
 import org.thingsboard.server.dao.model.DeviceEntity;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.thingsboard.server.dao.model.TenantDeviceTypeEntity;
+
+import javax.annotation.Nullable;
 
 @Component
 @Slf4j
@@ -63,6 +71,16 @@ public class DeviceDaoImpl extends AbstractSearchTextDao<DeviceEntity> implement
         return deviceEntities;
     }
 
+    @Override
+    public List<DeviceEntity> findDevicesByTenantIdAndType(UUID tenantId, String type, TextPageLink pageLink) {
+        log.debug("Try to find devices by tenantId [{}], type [{}] and pageLink [{}]", tenantId, type, pageLink);
+        List<DeviceEntity> deviceEntities = findPageWithTextSearch(DEVICE_BY_TENANT_BY_TYPE_AND_SEARCH_TEXT_COLUMN_FAMILY_NAME,
+                Arrays.asList(eq(DEVICE_TYPE_PROPERTY, type),
+                              eq(DEVICE_TENANT_ID_PROPERTY, tenantId)), pageLink);
+        log.trace("Found devices [{}] by tenantId [{}], type [{}] and pageLink [{}]", deviceEntities, tenantId, type, pageLink);
+        return deviceEntities;
+    }
+
     @Override
     public ListenableFuture<List<DeviceEntity>> findDevicesByTenantIdAndIdsAsync(UUID tenantId, List<UUID> deviceIds) {
         log.debug("Try to find devices by tenantId [{}] and device Ids [{}]", tenantId, deviceIds);
@@ -75,7 +93,7 @@ public class DeviceDaoImpl extends AbstractSearchTextDao<DeviceEntity> implement
 
     @Override
     public List<DeviceEntity> findDevicesByTenantIdAndCustomerId(UUID tenantId, UUID customerId, TextPageLink pageLink) {
-        log.debug("Try to find devices by tenantId [{}], customerId[{}] and pageLink [{}]", tenantId, customerId, pageLink);
+        log.debug("Try to find devices by tenantId [{}], customerId [{}] and pageLink [{}]", tenantId, customerId, pageLink);
         List<DeviceEntity> deviceEntities = findPageWithTextSearch(DEVICE_BY_CUSTOMER_AND_SEARCH_TEXT_COLUMN_FAMILY_NAME,
                 Arrays.asList(eq(DEVICE_CUSTOMER_ID_PROPERTY, customerId),
                         eq(DEVICE_TENANT_ID_PROPERTY, tenantId)),
@@ -85,6 +103,19 @@ public class DeviceDaoImpl extends AbstractSearchTextDao<DeviceEntity> implement
         return deviceEntities;
     }
 
+    @Override
+    public List<DeviceEntity> findDevicesByTenantIdAndCustomerIdAndType(UUID tenantId, UUID customerId, String type, TextPageLink pageLink) {
+        log.debug("Try to find devices by tenantId [{}], customerId [{}], type [{}] and pageLink [{}]", tenantId, customerId, type, pageLink);
+        List<DeviceEntity> deviceEntities = findPageWithTextSearch(DEVICE_BY_CUSTOMER_BY_TYPE_AND_SEARCH_TEXT_COLUMN_FAMILY_NAME,
+                Arrays.asList(eq(DEVICE_TYPE_PROPERTY, type),
+                              eq(DEVICE_CUSTOMER_ID_PROPERTY, customerId),
+                              eq(DEVICE_TENANT_ID_PROPERTY, tenantId)),
+                pageLink);
+
+        log.trace("Found devices [{}] by tenantId [{}], customerId [{}], type [{}] and pageLink [{}]", deviceEntities, tenantId, customerId, type, pageLink);
+        return deviceEntities;
+    }
+
     @Override
     public ListenableFuture<List<DeviceEntity>> findDevicesByTenantIdCustomerIdAndIdsAsync(UUID tenantId, UUID customerId, List<UUID> deviceIds) {
         log.debug("Try to find devices by tenantId [{}], customerId [{}] and device Ids [{}]", tenantId, customerId, deviceIds);
@@ -105,4 +136,24 @@ public class DeviceDaoImpl extends AbstractSearchTextDao<DeviceEntity> implement
         return Optional.ofNullable(findOneByStatement(query));
     }
 
+    @Override
+    public ListenableFuture<List<TenantDeviceTypeEntity>> findTenantDeviceTypesAsync() {
+        Select statement = select().distinct().column(DEVICE_TYPE_PROPERTY).column(DEVICE_TENANT_ID_PROPERTY).from(DEVICE_TYPES_BY_TENANT_VIEW_NAME);
+        statement.setConsistencyLevel(cluster.getDefaultReadConsistencyLevel());
+        ResultSetFuture resultSetFuture = getSession().executeAsync(statement);
+        ListenableFuture<List<TenantDeviceTypeEntity>> result = Futures.transform(resultSetFuture, new Function<ResultSet, List<TenantDeviceTypeEntity>>() {
+            @Nullable
+            @Override
+            public List<TenantDeviceTypeEntity> apply(@Nullable ResultSet resultSet) {
+                Result<TenantDeviceTypeEntity> result = cluster.getMapper(TenantDeviceTypeEntity.class).map(resultSet);
+                if (result != null) {
+                    return result.all();
+                } else {
+                    return Collections.emptyList();
+                }
+            }
+        });
+        return result;
+    }
+
 }

dao/src/main/java/org/thingsboard/server/dao/device/DeviceService.java

@@ -17,6 +17,7 @@ package org.thingsboard.server.dao.device;
 
 import com.google.common.util.concurrent.ListenableFuture;
 import org.thingsboard.server.common.data.Device;
+import org.thingsboard.server.common.data.TenantDeviceType;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.DeviceId;
 import org.thingsboard.server.common.data.id.TenantId;
@@ -44,16 +45,22 @@ public interface DeviceService {
 
     TextPageData<Device> findDevicesByTenantId(TenantId tenantId, TextPageLink pageLink);
 
+    TextPageData<Device> findDevicesByTenantIdAndType(TenantId tenantId, String type, TextPageLink pageLink);
+
     ListenableFuture<List<Device>> findDevicesByTenantIdAndIdsAsync(TenantId tenantId, List<DeviceId> deviceIds);
 
     void deleteDevicesByTenantId(TenantId tenantId);
 
     TextPageData<Device> findDevicesByTenantIdAndCustomerId(TenantId tenantId, CustomerId customerId, TextPageLink pageLink);
 
+    TextPageData<Device> findDevicesByTenantIdAndCustomerIdAndType(TenantId tenantId, CustomerId customerId, String type, TextPageLink pageLink);
+
     ListenableFuture<List<Device>> findDevicesByTenantIdCustomerIdAndIdsAsync(TenantId tenantId, CustomerId customerId, List<DeviceId> deviceIds);
 
     void unassignCustomerDevices(TenantId tenantId, CustomerId customerId);
 
     ListenableFuture<List<Device>> findDevicesByQuery(DeviceSearchQuery query);
 
+    ListenableFuture<List<TenantDeviceType>> findDeviceTypesByTenantId(TenantId tenantId);
+
 }

dao/src/main/java/org/thingsboard/server/dao/device/DeviceServiceImpl.java

@@ -26,6 +26,7 @@ import org.springframework.stereotype.Service;
 import org.springframework.util.StringUtils;
 import org.thingsboard.server.common.data.Device;
 import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.TenantDeviceType;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.DeviceId;
 import org.thingsboard.server.common.data.id.EntityId;
@@ -36,10 +37,11 @@ import org.thingsboard.server.common.data.relation.EntityRelation;
 import org.thingsboard.server.common.data.security.DeviceCredentials;
 import org.thingsboard.server.common.data.security.DeviceCredentialsType;
 import org.thingsboard.server.dao.customer.CustomerDao;
-import org.thingsboard.server.dao.entity.BaseEntityService;
+import org.thingsboard.server.dao.entity.AbstractEntityService;
 import org.thingsboard.server.dao.exception.DataValidationException;
 import org.thingsboard.server.dao.model.CustomerEntity;
 import org.thingsboard.server.dao.model.DeviceEntity;
+import org.thingsboard.server.dao.model.TenantDeviceTypeEntity;
 import org.thingsboard.server.dao.model.TenantEntity;
 import org.thingsboard.server.dao.relation.EntitySearchDirection;
 import org.thingsboard.server.dao.service.DataValidator;
@@ -47,9 +49,7 @@ import org.thingsboard.server.dao.service.PaginatedRemover;
 import org.thingsboard.server.dao.tenant.TenantDao;
 
 import javax.annotation.Nullable;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Optional;
+import java.util.*;
 import java.util.stream.Collectors;
 
 import static org.thingsboard.server.dao.DaoUtil.*;
@@ -58,7 +58,7 @@ import static org.thingsboard.server.dao.service.Validator.*;
 
 @Service
 @Slf4j
-public class DeviceServiceImpl extends BaseEntityService implements DeviceService {
+public class DeviceServiceImpl extends AbstractEntityService implements DeviceService {
 
     @Autowired
     private DeviceDao deviceDao;
@@ -148,7 +148,18 @@ public class DeviceServiceImpl extends BaseEntityService implements DeviceServic
         validatePageLink(pageLink, "Incorrect page link " + pageLink);
         List<DeviceEntity> deviceEntities = deviceDao.findDevicesByTenantId(tenantId.getId(), pageLink);
         List<Device> devices = convertDataList(deviceEntities);
-        return new TextPageData<Device>(devices, pageLink);
+        return new TextPageData<>(devices, pageLink);
+    }
+
+    @Override
+    public TextPageData<Device> findDevicesByTenantIdAndType(TenantId tenantId, String type, TextPageLink pageLink) {
+        log.trace("Executing findDevicesByTenantIdAndType, tenantId [{}], type [{}], pageLink [{}]", tenantId, type, pageLink);
+        validateId(tenantId, "Incorrect tenantId " + tenantId);
+        validateString(type, "Incorrect type " + type);
+        validatePageLink(pageLink, "Incorrect page link " + pageLink);
+        List<DeviceEntity> deviceEntities = deviceDao.findDevicesByTenantIdAndType(tenantId.getId(), type, pageLink);
+        List<Device> devices = convertDataList(deviceEntities);
+        return new TextPageData<>(devices, pageLink);
     }
 
     @Override
@@ -176,7 +187,19 @@ public class DeviceServiceImpl extends BaseEntityService implements DeviceServic
         validatePageLink(pageLink, "Incorrect page link " + pageLink);
         List<DeviceEntity> deviceEntities = deviceDao.findDevicesByTenantIdAndCustomerId(tenantId.getId(), customerId.getId(), pageLink);
         List<Device> devices = convertDataList(deviceEntities);
-        return new TextPageData<Device>(devices, pageLink);
+        return new TextPageData<>(devices, pageLink);
+    }
+
+    @Override
+    public TextPageData<Device> findDevicesByTenantIdAndCustomerIdAndType(TenantId tenantId, CustomerId customerId, String type, TextPageLink pageLink) {
+        log.trace("Executing findDevicesByTenantIdAndCustomerIdAndType, tenantId [{}], customerId [{}], type [{}], pageLink [{}]", tenantId, customerId, type, pageLink);
+        validateId(tenantId, "Incorrect tenantId " + tenantId);
+        validateId(customerId, "Incorrect customerId " + customerId);
+        validateString(type, "Incorrect type " + type);
+        validatePageLink(pageLink, "Incorrect page link " + pageLink);
+        List<DeviceEntity> deviceEntities = deviceDao.findDevicesByTenantIdAndCustomerIdAndType(tenantId.getId(), customerId.getId(), type, pageLink);
+        List<Device> devices = convertDataList(deviceEntities);
+        return new TextPageData<>(devices, pageLink);
     }
 
     @Override
@@ -224,6 +247,25 @@ public class DeviceServiceImpl extends BaseEntityService implements DeviceServic
         return devices;
     }
 
+    @Override
+    public ListenableFuture<List<TenantDeviceType>> findDeviceTypesByTenantId(TenantId tenantId) {
+        log.trace("Executing findDeviceTypesByTenantId, tenantId [{}]", tenantId);
+        validateId(tenantId, "Incorrect tenantId " + tenantId);
+        ListenableFuture<List<TenantDeviceTypeEntity>> tenantDeviceTypeEntities = deviceDao.findTenantDeviceTypesAsync();
+        ListenableFuture<List<TenantDeviceType>> tenantDeviceTypes = Futures.transform(tenantDeviceTypeEntities,
+            (Function<List<TenantDeviceTypeEntity>, List<TenantDeviceType>>) deviceTypeEntities -> {
+                List<TenantDeviceType> deviceTypes = new ArrayList<>();
+                for (TenantDeviceTypeEntity deviceTypeEntity : deviceTypeEntities) {
+                    if (deviceTypeEntity.getTenantId().equals(tenantId.getId())) {
+                        deviceTypes.add(deviceTypeEntity.toTenantDeviceType());
+                    }
+                }
+                deviceTypes.sort((TenantDeviceType o1, TenantDeviceType o2) -> o1.getType().compareTo(o2.getType()));
+                return deviceTypes;
+            });
+        return tenantDeviceTypes;
+    }
+
     private DataValidator<Device> deviceValidator =
             new DataValidator<Device>() {
 
@@ -249,6 +291,9 @@ public class DeviceServiceImpl extends BaseEntityService implements DeviceServic
 
                 @Override
                 protected void validateDataImpl(Device device) {
+                    if (StringUtils.isEmpty(device.getType())) {
+                        throw new DataValidationException("Device type should be specified!");
+                    }
                     if (StringUtils.isEmpty(device.getName())) {
                         throw new DataValidationException("Device name should be specified!");
                     }

ui/src/app/dashboard/aliases-device-select.scss → dao/src/main/java/org/thingsboard/server/dao/entity/AbstractEntityService.java

@@ -14,33 +14,23 @@
  * limitations under the License.
  */
 
-.md-panel {
-  &.tb-aliases-device-select-panel {
-    position: absolute;
-  }
-}
+package org.thingsboard.server.dao.entity;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.dao.relation.RelationService;
+
+@Slf4j
+public abstract class AbstractEntityService {
+
+    @Autowired
+    protected RelationService relationService;
+
+    protected void deleteEntityRelations(EntityId entityId) {
+        log.trace("Executing deleteEntityRelations [{}]", entityId);
+        relationService.deleteEntityRelations(entityId);
+    }
 
-.tb-aliases-device-select-panel {
-  max-height: 150px;
-  @media (min-height: 350px) {
-    max-height: 250px;
-  }
-  min-width: 300px;
-  background: white;
-  border-radius: 4px;
-  box-shadow: 0 7px 8px -4px rgba(0, 0, 0, 0.2),
-  0 13px 19px 2px rgba(0, 0, 0, 0.14),
-  0 5px 24px 4px rgba(0, 0, 0, 0.12);
-  overflow-x: hidden;
-  overflow-y: auto;
-  md-content {
-    background-color: #fff;
-  }
-}
 
-.tb-aliases-device-select {
-  span {
-    pointer-events: all;
-    cursor: pointer;
-  }
 }

dao/src/main/java/org/thingsboard/server/dao/entity/BaseEntityService.java

@@ -15,23 +15,102 @@
  */
 package org.thingsboard.server.dao.entity;
 
+import com.google.common.base.Function;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.thingsboard.server.common.data.id.EntityId;
-import org.thingsboard.server.dao.relation.RelationService;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.common.data.*;
+import org.thingsboard.server.common.data.alarm.AlarmId;
+import org.thingsboard.server.common.data.id.*;
+import org.thingsboard.server.dao.alarm.AlarmService;
+import org.thingsboard.server.dao.asset.AssetService;
+import org.thingsboard.server.dao.customer.CustomerService;
+import org.thingsboard.server.dao.dashboard.DashboardService;
+import org.thingsboard.server.dao.device.DeviceService;
+import org.thingsboard.server.dao.plugin.PluginService;
+import org.thingsboard.server.dao.rule.RuleService;
+import org.thingsboard.server.dao.tenant.TenantService;
+import org.thingsboard.server.dao.user.UserService;
 
 /**
  * Created by ashvayka on 04.05.17.
  */
+@Service
 @Slf4j
-public class BaseEntityService {
+public class BaseEntityService extends AbstractEntityService implements EntityService {
 
     @Autowired
-    protected RelationService relationService;
+    private AssetService assetService;
 
-    protected void deleteEntityRelations(EntityId entityId) {
-        log.trace("Executing deleteEntityRelations [{}]", entityId);
-        relationService.deleteEntityRelations(entityId);
+    @Autowired
+    private DeviceService deviceService;
+
+    @Autowired
+    private RuleService ruleService;
+
+    @Autowired
+    private PluginService pluginService;
+
+    @Autowired
+    private TenantService tenantService;
+
+    @Autowired
+    private CustomerService customerService;
+
+    @Autowired
+    private UserService userService;
+
+    @Autowired
+    private DashboardService dashboardService;
+
+    @Autowired
+    private AlarmService alarmService;
+
+    @Override
+    public void deleteEntityRelations(EntityId entityId) {
+        super.deleteEntityRelations(entityId);
+    }
+
+    @Override
+    public ListenableFuture<String> fetchEntityNameAsync(EntityId entityId) {
+        log.trace("Executing fetchEntityNameAsync [{}]", entityId);
+        ListenableFuture<String> entityName;
+        ListenableFuture<? extends HasName> hasName;
+        switch (entityId.getEntityType()) {
+            case ASSET:
+                hasName = assetService.findAssetByIdAsync(new AssetId(entityId.getId()));
+                break;
+            case DEVICE:
+                hasName = deviceService.findDeviceByIdAsync(new DeviceId(entityId.getId()));
+                break;
+            case RULE:
+                hasName = ruleService.findRuleByIdAsync(new RuleId(entityId.getId()));
+                break;
+            case PLUGIN:
+                hasName = pluginService.findPluginByIdAsync(new PluginId(entityId.getId()));
+                break;
+            case TENANT:
+                hasName = tenantService.findTenantByIdAsync(new TenantId(entityId.getId()));
+                break;
+            case CUSTOMER:
+                hasName = customerService.findCustomerByIdAsync(new CustomerId(entityId.getId()));
+                break;
+            case USER:
+                hasName = userService.findUserByIdAsync(new UserId(entityId.getId()));
+                break;
+            case DASHBOARD:
+                hasName = dashboardService.findDashboardInfoByIdAsync(new DashboardId(entityId.getId()));
+                break;
+            case ALARM:
+                hasName = alarmService.findAlarmByIdAsync(new AlarmId(entityId.getId()));
+                break;
+            default:
+                throw new IllegalStateException("Not Implemented!");
+        }
+        entityName = Futures.transform(hasName, (Function<HasName, String>) hasName1 -> hasName1.getName() );
+        return entityName;
     }
 
 }

dao/src/main/java/org/thingsboard/server/dao/entity/EntityService.java

@@ -0,0 +1,28 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thingsboard.server.dao.entity;
+
+import com.google.common.util.concurrent.ListenableFuture;
+import org.thingsboard.server.common.data.id.EntityId;
+
+public interface EntityService {
+
+    ListenableFuture<String> fetchEntityNameAsync(EntityId entityId);
+
+    void deleteEntityRelations(EntityId entityId);
+
+}

dao/src/main/java/org/thingsboard/server/dao/model/AlarmEntity.java

@@ -0,0 +1,236 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.dao.model;
+
+import com.datastax.driver.core.utils.UUIDs;
+import com.datastax.driver.mapping.annotations.*;
+import com.fasterxml.jackson.databind.JsonNode;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.alarm.Alarm;
+import org.thingsboard.server.common.data.alarm.AlarmId;
+import org.thingsboard.server.common.data.alarm.AlarmSeverity;
+import org.thingsboard.server.common.data.alarm.AlarmStatus;
+import org.thingsboard.server.common.data.id.EntityIdFactory;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.dao.model.type.AlarmSeverityCodec;
+import org.thingsboard.server.dao.model.type.AlarmStatusCodec;
+import org.thingsboard.server.dao.model.type.EntityTypeCodec;
+import org.thingsboard.server.dao.model.type.JsonCodec;
+
+import java.util.UUID;
+
+import static org.thingsboard.server.dao.model.ModelConstants.*;
+
+@Table(name = ALARM_COLUMN_FAMILY_NAME)
+public final class AlarmEntity implements BaseEntity<Alarm> {
+
+    @Transient
+    private static final long serialVersionUID = -1265181166886910152L;
+
+    @ClusteringColumn(value = 1)
+    @Column(name = ID_PROPERTY)
+    private UUID id;
+
+    @PartitionKey(value = 0)
+    @Column(name = ALARM_TENANT_ID_PROPERTY)
+    private UUID tenantId;
+
+    @PartitionKey(value = 1)
+    @Column(name = ALARM_ORIGINATOR_ID_PROPERTY)
+    private UUID originatorId;
+
+    @PartitionKey(value = 2)
+    @Column(name = ALARM_ORIGINATOR_TYPE_PROPERTY, codec = EntityTypeCodec.class)
+    private EntityType originatorType;
+
+    @ClusteringColumn(value = 0)
+    @Column(name = ALARM_TYPE_PROPERTY)
+    private String type;
+
+    @Column(name = ALARM_SEVERITY_PROPERTY, codec = AlarmSeverityCodec.class)
+    private AlarmSeverity severity;
+
+    @Column(name = ALARM_STATUS_PROPERTY, codec = AlarmStatusCodec.class)
+    private AlarmStatus status;
+
+    @Column(name = ALARM_START_TS_PROPERTY)
+    private Long startTs;
+
+    @Column(name = ALARM_END_TS_PROPERTY)
+    private Long endTs;
+
+    @Column(name = ALARM_ACK_TS_PROPERTY)
+    private Long ackTs;
+
+    @Column(name = ALARM_CLEAR_TS_PROPERTY)
+    private Long clearTs;
+
+    @Column(name = ALARM_DETAILS_PROPERTY, codec = JsonCodec.class)
+    private JsonNode details;
+
+    @Column(name = ALARM_PROPAGATE_PROPERTY)
+    private Boolean propagate;
+
+    public AlarmEntity() {
+        super();
+    }
+
+    public AlarmEntity(Alarm alarm) {
+        if (alarm.getId() != null) {
+            this.id = alarm.getId().getId();
+        }
+        if (alarm.getTenantId() != null) {
+            this.tenantId = alarm.getTenantId().getId();
+        }
+        this.type = alarm.getType();
+        this.originatorId = alarm.getOriginator().getId();
+        this.originatorType = alarm.getOriginator().getEntityType();
+        this.type = alarm.getType();
+        this.severity = alarm.getSeverity();
+        this.status = alarm.getStatus();
+        this.propagate = alarm.isPropagate();
+        this.startTs = alarm.getStartTs();
+        this.endTs = alarm.getEndTs();
+        this.ackTs = alarm.getAckTs();
+        this.clearTs = alarm.getClearTs();
+        this.details = alarm.getDetails();
+    }
+
+    public UUID getId() {
+        return id;
+    }
+
+    public void setId(UUID id) {
+        this.id = id;
+    }
+
+    public UUID getTenantId() {
+        return tenantId;
+    }
+
+    public void setTenantId(UUID tenantId) {
+        this.tenantId = tenantId;
+    }
+
+    public UUID getOriginatorId() {
+        return originatorId;
+    }
+
+    public void setOriginatorId(UUID originatorId) {
+        this.originatorId = originatorId;
+    }
+
+    public EntityType getOriginatorType() {
+        return originatorType;
+    }
+
+    public void setOriginatorType(EntityType originatorType) {
+        this.originatorType = originatorType;
+    }
+
+    public String getType() {
+        return type;
+    }
+
+    public void setType(String type) {
+        this.type = type;
+    }
+
+    public AlarmSeverity getSeverity() {
+        return severity;
+    }
+
+    public void setSeverity(AlarmSeverity severity) {
+        this.severity = severity;
+    }
+
+    public AlarmStatus getStatus() {
+        return status;
+    }
+
+    public void setStatus(AlarmStatus status) {
+        this.status = status;
+    }
+
+    public Long getStartTs() {
+        return startTs;
+    }
+
+    public void setStartTs(Long startTs) {
+        this.startTs = startTs;
+    }
+
+    public Long getEndTs() {
+        return endTs;
+    }
+
+    public void setEndTs(Long endTs) {
+        this.endTs = endTs;
+    }
+
+    public Long getAckTs() {
+        return ackTs;
+    }
+
+    public void setAckTs(Long ackTs) {
+        this.ackTs = ackTs;
+    }
+
+    public Long getClearTs() {
+        return clearTs;
+    }
+
+    public void setClearTs(Long clearTs) {
+        this.clearTs = clearTs;
+    }
+
+    public JsonNode getDetails() {
+        return details;
+    }
+
+    public void setDetails(JsonNode details) {
+        this.details = details;
+    }
+
+    public Boolean getPropagate() {
+        return propagate;
+    }
+
+    public void setPropagate(Boolean propagate) {
+        this.propagate = propagate;
+    }
+
+    @Override
+    public Alarm toData() {
+        Alarm alarm = new Alarm(new AlarmId(id));
+        alarm.setCreatedTime(UUIDs.unixTimestamp(id));
+        if (tenantId != null) {
+            alarm.setTenantId(new TenantId(tenantId));
+        }
+        alarm.setOriginator(EntityIdFactory.getByTypeAndUuid(originatorType, originatorId));
+        alarm.setType(type);
+        alarm.setSeverity(severity);
+        alarm.setStatus(status);
+        alarm.setPropagate(propagate);
+        alarm.setStartTs(startTs);
+        alarm.setEndTs(endTs);
+        alarm.setAckTs(ackTs);
+        alarm.setClearTs(clearTs);
+        alarm.setDetails(details);
+        return alarm;
+    }
+
+}

dao/src/main/java/org/thingsboard/server/dao/model/AssetEntity.java

@@ -49,12 +49,13 @@ public final class AssetEntity implements SearchTextEntity<Asset> {
     @Column(name = ASSET_CUSTOMER_ID_PROPERTY)
     private UUID customerId;
 
-    @Column(name = ASSET_NAME_PROPERTY)
-    private String name;
-
+    @PartitionKey(value = 3)
     @Column(name = ASSET_TYPE_PROPERTY)
     private String type;
 
+    @Column(name = ASSET_NAME_PROPERTY)
+    private String name;
+
     @Column(name = SEARCH_TEXT_PROPERTY)
     private String searchText;
 

dao/src/main/java/org/thingsboard/server/dao/model/DeviceEntity.java

@@ -49,12 +49,13 @@ public final class DeviceEntity implements SearchTextEntity<Device> {
     @Column(name = DEVICE_CUSTOMER_ID_PROPERTY)
     private UUID customerId;
 
-    @Column(name = DEVICE_NAME_PROPERTY)
-    private String name;
-
+    @PartitionKey(value = 3)
     @Column(name = DEVICE_TYPE_PROPERTY)
     private String type;
 
+    @Column(name = DEVICE_NAME_PROPERTY)
+    private String name;
+
     @Column(name = SEARCH_TEXT_PROPERTY)
     private String searchText;
     

dao/src/main/java/org/thingsboard/server/dao/model/ModelConstants.java

@@ -124,8 +124,11 @@ public class ModelConstants {
     public static final String DEVICE_ADDITIONAL_INFO_PROPERTY = ADDITIONAL_INFO_PROPERTY;
 
     public static final String DEVICE_BY_TENANT_AND_SEARCH_TEXT_COLUMN_FAMILY_NAME = "device_by_tenant_and_search_text";
+    public static final String DEVICE_BY_TENANT_BY_TYPE_AND_SEARCH_TEXT_COLUMN_FAMILY_NAME = "device_by_tenant_by_type_and_search_text";
     public static final String DEVICE_BY_CUSTOMER_AND_SEARCH_TEXT_COLUMN_FAMILY_NAME = "device_by_customer_and_search_text";
+    public static final String DEVICE_BY_CUSTOMER_BY_TYPE_AND_SEARCH_TEXT_COLUMN_FAMILY_NAME = "device_by_customer_by_type_and_search_text";
     public static final String DEVICE_BY_TENANT_AND_NAME_VIEW_NAME = "device_by_tenant_and_name";
+    public static final String DEVICE_TYPES_BY_TENANT_VIEW_NAME = "device_types_by_tenant";
 
     /**
      * Cassandra asset constants.
@@ -138,8 +141,30 @@ public class ModelConstants {
     public static final String ASSET_ADDITIONAL_INFO_PROPERTY = ADDITIONAL_INFO_PROPERTY;
 
     public static final String ASSET_BY_TENANT_AND_SEARCH_TEXT_COLUMN_FAMILY_NAME = "asset_by_tenant_and_search_text";
+    public static final String ASSET_BY_TENANT_BY_TYPE_AND_SEARCH_TEXT_COLUMN_FAMILY_NAME = "asset_by_tenant_by_type_and_search_text";
     public static final String ASSET_BY_CUSTOMER_AND_SEARCH_TEXT_COLUMN_FAMILY_NAME = "asset_by_customer_and_search_text";
+    public static final String ASSET_BY_CUSTOMER_BY_TYPE_AND_SEARCH_TEXT_COLUMN_FAMILY_NAME = "asset_by_customer_by_type_and_search_text";
     public static final String ASSET_BY_TENANT_AND_NAME_VIEW_NAME = "asset_by_tenant_and_name";
+    public static final String ASSET_TYPES_BY_TENANT_VIEW_NAME = "asset_types_by_tenant";
+
+    /**
+     * Cassandra alarm constants.
+     */
+    public static final String ALARM_COLUMN_FAMILY_NAME = "alarm";
+    public static final String ALARM_TENANT_ID_PROPERTY = TENTANT_ID_PROPERTY;
+    public static final String ALARM_TYPE_PROPERTY = "type";
+    public static final String ALARM_DETAILS_PROPERTY = "details";
+    public static final String ALARM_ORIGINATOR_ID_PROPERTY = "originator_id";
+    public static final String ALARM_ORIGINATOR_TYPE_PROPERTY = "originator_type";
+    public static final String ALARM_SEVERITY_PROPERTY = "severity";
+    public static final String ALARM_STATUS_PROPERTY = "status";
+    public static final String ALARM_START_TS_PROPERTY = "start_ts";
+    public static final String ALARM_END_TS_PROPERTY = "end_ts";
+    public static final String ALARM_ACK_TS_PROPERTY = "ack_ts";
+    public static final String ALARM_CLEAR_TS_PROPERTY = "clear_ts";
+    public static final String ALARM_PROPAGATE_PROPERTY = "propagate";
+
+    public static final String ALARM_BY_ID_VIEW_NAME = "alarm_by_id";
 
     /**
      * Cassandra entity relation constants.
@@ -150,7 +175,9 @@ public class ModelConstants {
     public static final String RELATION_TO_ID_PROPERTY = "to_id";
     public static final String RELATION_TO_TYPE_PROPERTY = "to_type";
     public static final String RELATION_TYPE_PROPERTY = "relation_type";
+    public static final String RELATION_TYPE_GROUP_PROPERTY = "relation_type_group";
 
+    public static final String RELATION_BY_TYPE_AND_CHILD_TYPE_VIEW_NAME = "relation_by_type_and_child_type";
     public static final String RELATION_REVERSE_VIEW_NAME = "reverse_relation";
 
 

dao/src/main/java/org/thingsboard/server/dao/model/TenantAssetTypeEntity.java

@@ -0,0 +1,107 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thingsboard.server.dao.model;
+
+import com.datastax.driver.mapping.annotations.Column;
+import com.datastax.driver.mapping.annotations.PartitionKey;
+import com.datastax.driver.mapping.annotations.Table;
+import com.datastax.driver.mapping.annotations.Transient;
+import org.thingsboard.server.common.data.asset.TenantAssetType;
+import org.thingsboard.server.common.data.id.TenantId;
+
+import java.util.UUID;
+
+import static org.thingsboard.server.dao.model.ModelConstants.*;
+
+@Table(name = ASSET_TYPES_BY_TENANT_VIEW_NAME)
+public class TenantAssetTypeEntity {
+
+    @Transient
+    private static final long serialVersionUID = -1268181161886910152L;
+
+    @PartitionKey(value = 0)
+    @Column(name = ASSET_TYPE_PROPERTY)
+    private String type;
+
+    @PartitionKey(value = 1)
+    @Column(name = ASSET_TENANT_ID_PROPERTY)
+    private UUID tenantId;
+
+    public TenantAssetTypeEntity() {
+        super();
+    }
+
+    public TenantAssetTypeEntity(TenantAssetType tenantAssetType) {
+        this.type = tenantAssetType.getType();
+        if (tenantAssetType.getTenantId() != null) {
+            this.tenantId = tenantAssetType.getTenantId().getId();
+        }
+    }
+
+    public String getType() {
+        return type;
+    }
+
+    public void setType(String type) {
+        this.type = type;
+    }
+
+    public UUID getTenantId() {
+        return tenantId;
+    }
+
+    public void setTenantId(UUID tenantId) {
+        this.tenantId = tenantId;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = type != null ? type.hashCode() : 0;
+        result = 31 * result + (tenantId != null ? tenantId.hashCode() : 0);
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        TenantAssetTypeEntity that = (TenantAssetTypeEntity) o;
+
+        if (type != null ? !type.equals(that.type) : that.type != null) return false;
+        return tenantId != null ? tenantId.equals(that.tenantId) : that.tenantId == null;
+
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder sb = new StringBuilder("TenantAssetTypeEntity{");
+        sb.append("type='").append(type).append('\'');
+        sb.append(", tenantId=").append(tenantId);
+        sb.append('}');
+        return sb.toString();
+    }
+
+    public TenantAssetType toTenantAssetType() {
+        TenantAssetType tenantAssetType = new TenantAssetType();
+        tenantAssetType.setType(type);
+        if (tenantId != null) {
+            tenantAssetType.setTenantId(new TenantId(tenantId));
+        }
+        return tenantAssetType;
+    }
+}

dao/src/main/java/org/thingsboard/server/dao/model/TenantDeviceTypeEntity.java

@@ -0,0 +1,107 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.thingsboard.server.dao.model;
+
+import com.datastax.driver.mapping.annotations.Column;
+import com.datastax.driver.mapping.annotations.PartitionKey;
+import com.datastax.driver.mapping.annotations.Table;
+import com.datastax.driver.mapping.annotations.Transient;
+import org.thingsboard.server.common.data.TenantDeviceType;
+import org.thingsboard.server.common.data.id.TenantId;
+
+import java.util.UUID;
+
+import static org.thingsboard.server.dao.model.ModelConstants.*;
+
+@Table(name = DEVICE_TYPES_BY_TENANT_VIEW_NAME)
+public class TenantDeviceTypeEntity {
+
+    @Transient
+    private static final long serialVersionUID = -1268181166886910152L;
+
+    @PartitionKey(value = 0)
+    @Column(name = DEVICE_TYPE_PROPERTY)
+    private String type;
+
+    @PartitionKey(value = 1)
+    @Column(name = DEVICE_TENANT_ID_PROPERTY)
+    private UUID tenantId;
+
+    public TenantDeviceTypeEntity() {
+        super();
+    }
+
+    public TenantDeviceTypeEntity(TenantDeviceType tenantDeviceType) {
+        this.type = tenantDeviceType.getType();
+        if (tenantDeviceType.getTenantId() != null) {
+            this.tenantId = tenantDeviceType.getTenantId().getId();
+        }
+    }
+
+    public String getType() {
+        return type;
+    }
+
+    public void setType(String type) {
+        this.type = type;
+    }
+
+    public UUID getTenantId() {
+        return tenantId;
+    }
+
+    public void setTenantId(UUID tenantId) {
+        this.tenantId = tenantId;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = type != null ? type.hashCode() : 0;
+        result = 31 * result + (tenantId != null ? tenantId.hashCode() : 0);
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        TenantDeviceTypeEntity that = (TenantDeviceTypeEntity) o;
+
+        if (type != null ? !type.equals(that.type) : that.type != null) return false;
+        return tenantId != null ? tenantId.equals(that.tenantId) : that.tenantId == null;
+
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder sb = new StringBuilder("TenantDeviceTypeEntity{");
+        sb.append("type='").append(type).append('\'');
+        sb.append(", tenantId=").append(tenantId);
+        sb.append('}');
+        return sb.toString();
+    }
+
+    public TenantDeviceType toTenantDeviceType() {
+        TenantDeviceType tenantDeviceType = new TenantDeviceType();
+        tenantDeviceType.setType(type);
+        if (tenantId != null) {
+            tenantDeviceType.setTenantId(new TenantId(tenantId));
+        }
+        return tenantDeviceType;
+    }
+}

dao/src/main/java/org/thingsboard/server/dao/model/type/AlarmSeverityCodec.java

@@ -0,0 +1,29 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.dao.model.type;
+
+import com.datastax.driver.extras.codecs.enums.EnumNameCodec;
+import org.thingsboard.server.common.data.alarm.AlarmSeverity;
+import org.thingsboard.server.common.data.alarm.AlarmStatus;
+import org.thingsboard.server.dao.alarm.AlarmService;
+
+public class AlarmSeverityCodec extends EnumNameCodec<AlarmSeverity> {
+
+    public AlarmSeverityCodec() {
+        super(AlarmSeverity.class);
+    }
+
+}

dao/src/main/java/org/thingsboard/server/dao/model/type/AlarmStatusCodec.java

@@ -0,0 +1,27 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.dao.model.type;
+
+import com.datastax.driver.extras.codecs.enums.EnumNameCodec;
+import org.thingsboard.server.common.data.alarm.AlarmStatus;
+
+public class AlarmStatusCodec extends EnumNameCodec<AlarmStatus> {
+
+    public AlarmStatusCodec() {
+        super(AlarmStatus.class);
+    }
+
+}

dao/src/main/java/org/thingsboard/server/dao/model/type/RelationTypeGroupCodec.java

@@ -0,0 +1,28 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.dao.model.type;
+
+import org.thingsboard.server.common.data.relation.RelationTypeGroup;
+
+import com.datastax.driver.extras.codecs.enums.EnumNameCodec;
+
+public class RelationTypeGroupCodec extends EnumNameCodec<RelationTypeGroup> {
+
+    public RelationTypeGroupCodec() {
+        super(RelationTypeGroup.class);
+    }
+
+}

dao/src/main/java/org/thingsboard/server/dao/plugin/BasePluginService.java

@@ -22,7 +22,6 @@ import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.thingsboard.server.common.data.id.PluginId;
-import org.thingsboard.server.common.data.id.RuleId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.page.TextPageData;
 import org.thingsboard.server.common.data.page.TextPageLink;
@@ -30,9 +29,8 @@ import org.thingsboard.server.common.data.plugin.ComponentDescriptor;
 import org.thingsboard.server.common.data.plugin.ComponentLifecycleState;
 import org.thingsboard.server.common.data.plugin.ComponentType;
 import org.thingsboard.server.common.data.plugin.PluginMetaData;
-import org.thingsboard.server.common.data.rule.RuleMetaData;
 import org.thingsboard.server.dao.component.ComponentDescriptorService;
-import org.thingsboard.server.dao.entity.BaseEntityService;
+import org.thingsboard.server.dao.entity.AbstractEntityService;
 import org.thingsboard.server.dao.exception.DataValidationException;
 import org.thingsboard.server.dao.exception.DatabaseException;
 import org.thingsboard.server.dao.exception.IncorrectParameterException;
@@ -55,7 +53,7 @@ import static org.thingsboard.server.dao.service.Validator.validateId;
 
 @Service
 @Slf4j
-public class BasePluginService extends BaseEntityService implements PluginService {
+public class BasePluginService extends AbstractEntityService implements PluginService {
 
     //TODO: move to a better place.
     public static final TenantId SYSTEM_TENANT = new TenantId(ModelConstants.NULL_UUID);

dao/src/main/java/org/thingsboard/server/dao/relation/BaseRelationDao.java

@@ -16,23 +16,34 @@
 package org.thingsboard.server.dao.relation;
 
 import com.datastax.driver.core.*;
+import com.datastax.driver.core.querybuilder.QueryBuilder;
+import com.datastax.driver.core.querybuilder.Select;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.google.common.base.Function;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
+import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.id.EntityIdFactory;
+import org.thingsboard.server.common.data.page.TimePageLink;
 import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.common.data.relation.RelationTypeGroup;
 import org.thingsboard.server.dao.AbstractAsyncDao;
+import org.thingsboard.server.dao.AbstractSearchTimeDao;
 import org.thingsboard.server.dao.model.ModelConstants;
+import org.thingsboard.server.dao.model.type.RelationTypeGroupCodec;
 
 import javax.annotation.Nullable;
 import javax.annotation.PostConstruct;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
+import static com.datastax.driver.core.querybuilder.QueryBuilder.eq;
+import static org.thingsboard.server.dao.model.ModelConstants.RELATION_COLUMN_FAMILY_NAME;
+
 /**
  * Created by ashvayka on 25.04.17.
  */
@@ -45,12 +56,15 @@ public class BaseRelationDao extends AbstractAsyncDao implements RelationDao {
             ModelConstants.RELATION_FROM_TYPE_PROPERTY + "," +
             ModelConstants.RELATION_TO_ID_PROPERTY + "," +
             ModelConstants.RELATION_TO_TYPE_PROPERTY + "," +
+            ModelConstants.RELATION_TYPE_GROUP_PROPERTY + "," +
             ModelConstants.RELATION_TYPE_PROPERTY + "," +
             ModelConstants.ADDITIONAL_INFO_PROPERTY;
     public static final String FROM = " FROM ";
     public static final String WHERE = " WHERE ";
     public static final String AND = " AND ";
 
+    private static final RelationTypeGroupCodec relationTypeGroupCodec = new RelationTypeGroupCodec();
+
     private PreparedStatement saveStmt;
     private PreparedStatement findAllByFromStmt;
     private PreparedStatement findAllByFromAndTypeStmt;
@@ -66,43 +80,52 @@ public class BaseRelationDao extends AbstractAsyncDao implements RelationDao {
     }
 
     @Override
-    public ListenableFuture<List<EntityRelation>> findAllByFrom(EntityId from) {
-        BoundStatement stmt = getFindAllByFromStmt().bind().setUUID(0, from.getId()).setString(1, from.getEntityType().name());
+    public ListenableFuture<List<EntityRelation>> findAllByFrom(EntityId from, RelationTypeGroup typeGroup) {
+        BoundStatement stmt = getFindAllByFromStmt().bind()
+                .setUUID(0, from.getId())
+                .setString(1, from.getEntityType().name())
+                .set(2, typeGroup, relationTypeGroupCodec);
         return executeAsyncRead(from, stmt);
     }
 
     @Override
-    public ListenableFuture<List<EntityRelation>> findAllByFromAndType(EntityId from, String relationType) {
+    public ListenableFuture<List<EntityRelation>> findAllByFromAndType(EntityId from, String relationType, RelationTypeGroup typeGroup) {
         BoundStatement stmt = getFindAllByFromAndTypeStmt().bind()
                 .setUUID(0, from.getId())
                 .setString(1, from.getEntityType().name())
-                .setString(2, relationType);
+                .set(2, typeGroup, relationTypeGroupCodec)
+                .setString(3, relationType);
         return executeAsyncRead(from, stmt);
     }
 
     @Override
-    public ListenableFuture<List<EntityRelation>> findAllByTo(EntityId to) {
-        BoundStatement stmt = getFindAllByToStmt().bind().setUUID(0, to.getId()).setString(1, to.getEntityType().name());
+    public ListenableFuture<List<EntityRelation>> findAllByTo(EntityId to, RelationTypeGroup typeGroup) {
+        BoundStatement stmt = getFindAllByToStmt().bind()
+                .setUUID(0, to.getId())
+                .setString(1, to.getEntityType().name())
+                .set(2, typeGroup, relationTypeGroupCodec);
         return executeAsyncRead(to, stmt);
     }
 
     @Override
-    public ListenableFuture<List<EntityRelation>> findAllByToAndType(EntityId to, String relationType) {
+    public ListenableFuture<List<EntityRelation>> findAllByToAndType(EntityId to, String relationType, RelationTypeGroup typeGroup) {
         BoundStatement stmt = getFindAllByToAndTypeStmt().bind()
                 .setUUID(0, to.getId())
                 .setString(1, to.getEntityType().name())
-                .setString(2, relationType);
+                .set(2, typeGroup, relationTypeGroupCodec)
+                .setString(3, relationType);
         return executeAsyncRead(to, stmt);
     }
 
     @Override
-    public ListenableFuture<Boolean> checkRelation(EntityId from, EntityId to, String relationType) {
+    public ListenableFuture<Boolean> checkRelation(EntityId from, EntityId to, String relationType, RelationTypeGroup typeGroup) {
         BoundStatement stmt = getCheckRelationStmt().bind()
                 .setUUID(0, from.getId())
                 .setString(1, from.getEntityType().name())
                 .setUUID(2, to.getId())
                 .setString(3, to.getEntityType().name())
-                .setString(4, relationType);
+                .set(4, typeGroup, relationTypeGroupCodec)
+                .setString(5, relationType);
         return getFuture(executeAsyncRead(stmt), rs -> rs != null ? rs.one() != null : false);
     }
 
@@ -113,25 +136,27 @@ public class BaseRelationDao extends AbstractAsyncDao implements RelationDao {
                 .setString(1, relation.getFrom().getEntityType().name())
                 .setUUID(2, relation.getTo().getId())
                 .setString(3, relation.getTo().getEntityType().name())
-                .setString(4, relation.getType())
-                .set(5, relation.getAdditionalInfo(), JsonNode.class);
+                .set(4, relation.getTypeGroup(), relationTypeGroupCodec)
+                .setString(5, relation.getType())
+                .set(6, relation.getAdditionalInfo(), JsonNode.class);
         ResultSetFuture future = executeAsyncWrite(stmt);
         return getBooleanListenableFuture(future);
     }
 
     @Override
     public ListenableFuture<Boolean> deleteRelation(EntityRelation relation) {
-        return deleteRelation(relation.getFrom(), relation.getTo(), relation.getType());
+        return deleteRelation(relation.getFrom(), relation.getTo(), relation.getType(), relation.getTypeGroup());
     }
 
     @Override
-    public ListenableFuture<Boolean> deleteRelation(EntityId from, EntityId to, String relationType) {
+    public ListenableFuture<Boolean> deleteRelation(EntityId from, EntityId to, String relationType, RelationTypeGroup typeGroup) {
         BoundStatement stmt = getDeleteStmt().bind()
                 .setUUID(0, from.getId())
                 .setString(1, from.getEntityType().name())
                 .setUUID(2, to.getId())
                 .setString(3, to.getEntityType().name())
-                .setString(4, relationType);
+                .set(4, typeGroup, relationTypeGroupCodec)
+                .setString(5, relationType);
         ResultSetFuture future = executeAsyncWrite(stmt);
         return getBooleanListenableFuture(future);
     }
@@ -145,6 +170,21 @@ public class BaseRelationDao extends AbstractAsyncDao implements RelationDao {
         return getBooleanListenableFuture(future);
     }
 
+    @Override
+    public ListenableFuture<List<EntityRelation>> findRelations(EntityId from, String relationType, RelationTypeGroup typeGroup, EntityType childType, TimePageLink pageLink) {
+        Select.Where query = AbstractSearchTimeDao.buildQuery(ModelConstants.RELATION_BY_TYPE_AND_CHILD_TYPE_VIEW_NAME,
+                Arrays.asList(eq(ModelConstants.RELATION_FROM_ID_PROPERTY, from.getId()),
+                        eq(ModelConstants.RELATION_FROM_TYPE_PROPERTY, from.getEntityType().name()),
+                        eq(ModelConstants.RELATION_TYPE_GROUP_PROPERTY, typeGroup.name()),
+                        eq(ModelConstants.RELATION_TYPE_PROPERTY, relationType),
+                        eq(ModelConstants.RELATION_TO_TYPE_PROPERTY, childType.name())),
+                Arrays.asList(QueryBuilder.asc(ModelConstants.RELATION_TYPE_GROUP_PROPERTY),
+                        QueryBuilder.asc(ModelConstants.RELATION_TYPE_PROPERTY),
+                        QueryBuilder.asc(ModelConstants.RELATION_TO_TYPE_PROPERTY)),
+                pageLink, ModelConstants.RELATION_TO_ID_PROPERTY);
+        return getFuture(executeAsyncRead(query), rs -> getEntityRelations(rs));
+    }
+
     private PreparedStatement getSaveStmt() {
         if (saveStmt == null) {
             saveStmt = getSession().prepare("INSERT INTO " + ModelConstants.RELATION_COLUMN_FAMILY_NAME + " " +
@@ -152,9 +192,10 @@ public class BaseRelationDao extends AbstractAsyncDao implements RelationDao {
                     "," + ModelConstants.RELATION_FROM_TYPE_PROPERTY +
                     "," + ModelConstants.RELATION_TO_ID_PROPERTY +
                     "," + ModelConstants.RELATION_TO_TYPE_PROPERTY +
+                    "," + ModelConstants.RELATION_TYPE_GROUP_PROPERTY +
                     "," + ModelConstants.RELATION_TYPE_PROPERTY +
                     "," + ModelConstants.ADDITIONAL_INFO_PROPERTY + ")" +
-                    " VALUES(?, ?, ?, ?, ?, ?)");
+                    " VALUES(?, ?, ?, ?, ?, ?, ?)");
         }
         return saveStmt;
     }
@@ -166,6 +207,7 @@ public class BaseRelationDao extends AbstractAsyncDao implements RelationDao {
                     AND + ModelConstants.RELATION_FROM_TYPE_PROPERTY + " = ?" +
                     AND + ModelConstants.RELATION_TO_ID_PROPERTY + " = ?" +
                     AND + ModelConstants.RELATION_TO_TYPE_PROPERTY + " = ?" +
+                    AND + ModelConstants.RELATION_TYPE_GROUP_PROPERTY + " = ?" +
                     AND + ModelConstants.RELATION_TYPE_PROPERTY + " = ?");
         }
         return deleteStmt;
@@ -185,7 +227,8 @@ public class BaseRelationDao extends AbstractAsyncDao implements RelationDao {
             findAllByFromStmt = getSession().prepare(SELECT_COLUMNS + " " +
                     FROM + ModelConstants.RELATION_COLUMN_FAMILY_NAME + " " +
                     WHERE + ModelConstants.RELATION_FROM_ID_PROPERTY + " = ? " +
-                    AND + ModelConstants.RELATION_FROM_TYPE_PROPERTY + " = ? ");
+                    AND + ModelConstants.RELATION_FROM_TYPE_PROPERTY + " = ? " +
+                    AND + ModelConstants.RELATION_TYPE_GROUP_PROPERTY + " = ? ");
         }
         return findAllByFromStmt;
     }
@@ -196,17 +239,20 @@ public class BaseRelationDao extends AbstractAsyncDao implements RelationDao {
                     FROM + ModelConstants.RELATION_COLUMN_FAMILY_NAME + " " +
                     WHERE + ModelConstants.RELATION_FROM_ID_PROPERTY + " = ? " +
                     AND + ModelConstants.RELATION_FROM_TYPE_PROPERTY + " = ? " +
+                    AND + ModelConstants.RELATION_TYPE_GROUP_PROPERTY + " = ? " +
                     AND + ModelConstants.RELATION_TYPE_PROPERTY + " = ? ");
         }
         return findAllByFromAndTypeStmt;
     }
 
+
     private PreparedStatement getFindAllByToStmt() {
         if (findAllByToStmt == null) {
             findAllByToStmt = getSession().prepare(SELECT_COLUMNS + " " +
                     FROM + ModelConstants.RELATION_REVERSE_VIEW_NAME + " " +
                     WHERE + ModelConstants.RELATION_TO_ID_PROPERTY + " = ? " +
-                    AND + ModelConstants.RELATION_TO_TYPE_PROPERTY + " = ? ");
+                    AND + ModelConstants.RELATION_TO_TYPE_PROPERTY + " = ? " +
+                    AND + ModelConstants.RELATION_TYPE_GROUP_PROPERTY + " = ? ");
         }
         return findAllByToStmt;
     }
@@ -217,11 +263,13 @@ public class BaseRelationDao extends AbstractAsyncDao implements RelationDao {
                     FROM + ModelConstants.RELATION_REVERSE_VIEW_NAME + " " +
                     WHERE + ModelConstants.RELATION_TO_ID_PROPERTY + " = ? " +
                     AND + ModelConstants.RELATION_TO_TYPE_PROPERTY + " = ? " +
+                    AND + ModelConstants.RELATION_TYPE_GROUP_PROPERTY + " = ? " +
                     AND + ModelConstants.RELATION_TYPE_PROPERTY + " = ? ");
         }
         return findAllByToAndTypeStmt;
     }
 
+
     private PreparedStatement getCheckRelationStmt() {
         if (checkRelationStmt == null) {
             checkRelationStmt = getSession().prepare(SELECT_COLUMNS + " " +
@@ -230,36 +278,19 @@ public class BaseRelationDao extends AbstractAsyncDao implements RelationDao {
                     AND + ModelConstants.RELATION_FROM_TYPE_PROPERTY + " = ? " +
                     AND + ModelConstants.RELATION_TO_ID_PROPERTY + " = ? " +
                     AND + ModelConstants.RELATION_TO_TYPE_PROPERTY + " = ? " +
+                    AND + ModelConstants.RELATION_TYPE_GROUP_PROPERTY + " = ? " +
                     AND + ModelConstants.RELATION_TYPE_PROPERTY + " = ? ");
         }
         return checkRelationStmt;
     }
 
-    private EntityRelation getEntityRelation(Row row) {
-        EntityRelation relation = new EntityRelation();
-        relation.setType(row.getString(ModelConstants.RELATION_TYPE_PROPERTY));
-        relation.setAdditionalInfo(row.get(ModelConstants.ADDITIONAL_INFO_PROPERTY, JsonNode.class));
-        relation.setFrom(toEntity(row, ModelConstants.RELATION_FROM_ID_PROPERTY, ModelConstants.RELATION_FROM_TYPE_PROPERTY));
-        relation.setTo(toEntity(row, ModelConstants.RELATION_TO_ID_PROPERTY, ModelConstants.RELATION_TO_TYPE_PROPERTY));
-        return relation;
-    }
-
     private EntityId toEntity(Row row, String uuidColumn, String typeColumn) {
         return EntityIdFactory.getByTypeAndUuid(row.getString(typeColumn), row.getUUID(uuidColumn));
     }
 
     private ListenableFuture<List<EntityRelation>> executeAsyncRead(EntityId from, BoundStatement stmt) {
         log.debug("Generated query [{}] for entity {}", stmt, from);
-        return getFuture(executeAsyncRead(stmt), rs -> {
-            List<Row> rows = rs.all();
-            List<EntityRelation> entries = new ArrayList<>(rows.size());
-            if (!rows.isEmpty()) {
-                rows.forEach(row -> {
-                    entries.add(getEntityRelation(row));
-                });
-            }
-            return entries;
-        });
+        return getFuture(executeAsyncRead(stmt), rs -> getEntityRelations(rs));
     }
 
     private ListenableFuture<Boolean> getBooleanListenableFuture(ResultSetFuture rsFuture) {
@@ -276,4 +307,25 @@ public class BaseRelationDao extends AbstractAsyncDao implements RelationDao {
         }, readResultsProcessingExecutor);
     }
 
+    private List<EntityRelation> getEntityRelations(ResultSet rs) {
+        List<Row> rows = rs.all();
+        List<EntityRelation> entries = new ArrayList<>(rows.size());
+        if (!rows.isEmpty()) {
+            rows.forEach(row -> {
+                entries.add(getEntityRelation(row));
+            });
+        }
+        return entries;
+    }
+
+    private EntityRelation getEntityRelation(Row row) {
+        EntityRelation relation = new EntityRelation();
+        relation.setTypeGroup(row.get(ModelConstants.RELATION_TYPE_GROUP_PROPERTY, relationTypeGroupCodec));
+        relation.setType(row.getString(ModelConstants.RELATION_TYPE_PROPERTY));
+        relation.setAdditionalInfo(row.get(ModelConstants.ADDITIONAL_INFO_PROPERTY, JsonNode.class));
+        relation.setFrom(toEntity(row, ModelConstants.RELATION_FROM_ID_PROPERTY, ModelConstants.RELATION_FROM_TYPE_PROPERTY));
+        relation.setTo(toEntity(row, ModelConstants.RELATION_TO_ID_PROPERTY, ModelConstants.RELATION_TO_TYPE_PROPERTY));
+        return relation;
+    }
+
 }

dao/src/main/java/org/thingsboard/server/dao/relation/BaseRelationService.java

@@ -25,11 +25,15 @@ import org.springframework.stereotype.Service;
 import org.springframework.util.StringUtils;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.common.data.relation.EntityRelationInfo;
+import org.thingsboard.server.common.data.relation.RelationTypeGroup;
+import org.thingsboard.server.dao.entity.EntityService;
 import org.thingsboard.server.dao.exception.DataValidationException;
 
 import javax.annotation.Nullable;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
+import java.util.function.BiConsumer;
 
 /**
  * Created by ashvayka on 28.04.17.
@@ -41,11 +45,14 @@ public class BaseRelationService implements RelationService {
     @Autowired
     private RelationDao relationDao;
 
+    @Autowired
+    private EntityService entityService;
+
     @Override
-    public ListenableFuture<Boolean> checkRelation(EntityId from, EntityId to, String relationType) {
-        log.trace("Executing checkRelation [{}][{}][{}]", from, to, relationType);
-        validate(from, to, relationType);
-        return relationDao.checkRelation(from, to, relationType);
+    public ListenableFuture<Boolean> checkRelation(EntityId from, EntityId to, String relationType, RelationTypeGroup typeGroup) {
+        log.trace("Executing checkRelation [{}][{}][{}][{}]", from, to, relationType, typeGroup);
+        validate(from, to, relationType, typeGroup);
+        return relationDao.checkRelation(from, to, relationType, typeGroup);
     }
 
     @Override
@@ -63,23 +70,28 @@ public class BaseRelationService implements RelationService {
     }
 
     @Override
-    public ListenableFuture<Boolean> deleteRelation(EntityId from, EntityId to, String relationType) {
-        log.trace("Executing deleteRelation [{}][{}][{}]", from, to, relationType);
-        validate(from, to, relationType);
-        return relationDao.deleteRelation(from, to, relationType);
+    public ListenableFuture<Boolean> deleteRelation(EntityId from, EntityId to, String relationType, RelationTypeGroup typeGroup) {
+        log.trace("Executing deleteRelation [{}][{}][{}][{}]", from, to, relationType, typeGroup);
+        validate(from, to, relationType, typeGroup);
+        return relationDao.deleteRelation(from, to, relationType, typeGroup);
     }
 
     @Override
     public ListenableFuture<Boolean> deleteEntityRelations(EntityId entity) {
         log.trace("Executing deleteEntityRelations [{}]", entity);
         validate(entity);
-        ListenableFuture<List<EntityRelation>> inboundRelations = relationDao.findAllByTo(entity);
-        ListenableFuture<List<Boolean>> inboundDeletions = Futures.transform(inboundRelations, new AsyncFunction<List<EntityRelation>, List<Boolean>>() {
+        List<ListenableFuture<List<EntityRelation>>> inboundRelationsList = new ArrayList<>();
+        for (RelationTypeGroup typeGroup : RelationTypeGroup.values()) {
+            inboundRelationsList.add(relationDao.findAllByTo(entity, typeGroup));
+        }
+        Futures.allAsList(inboundRelationsList);
+        ListenableFuture<List<List<EntityRelation>>> inboundRelations = Futures.allAsList(inboundRelationsList);
+        ListenableFuture<List<Boolean>> inboundDeletions = Futures.transform(inboundRelations, new AsyncFunction<List<List<EntityRelation>>, List<Boolean>>() {
             @Override
-            public ListenableFuture<List<Boolean>> apply(List<EntityRelation> relations) throws Exception {
+            public ListenableFuture<List<Boolean>> apply(List<List<EntityRelation>> relations) throws Exception {
                 List<ListenableFuture<Boolean>> results = new ArrayList<>();
-                for (EntityRelation relation : relations) {
-                    results.add(relationDao.deleteRelation(relation));
+                for (List<EntityRelation> relationList : relations) {
+                    relationList.stream().forEach(relation -> results.add(relationDao.deleteRelation(relation)));
                 }
                 return Futures.allAsList(results);
             }
@@ -93,33 +105,88 @@ public class BaseRelationService implements RelationService {
     }
 
     @Override
-    public ListenableFuture<List<EntityRelation>> findByFrom(EntityId from) {
-        log.trace("Executing findByFrom [{}]", from);
+    public ListenableFuture<List<EntityRelation>> findByFrom(EntityId from, RelationTypeGroup typeGroup) {
+        log.trace("Executing findByFrom [{}][{}]", from, typeGroup);
         validate(from);
-        return relationDao.findAllByFrom(from);
+        validateTypeGroup(typeGroup);
+        return relationDao.findAllByFrom(from, typeGroup);
     }
 
     @Override
-    public ListenableFuture<List<EntityRelation>> findByFromAndType(EntityId from, String relationType) {
-        log.trace("Executing findByFromAndType [{}][{}]", from, relationType);
+    public ListenableFuture<List<EntityRelationInfo>> findInfoByFrom(EntityId from, RelationTypeGroup typeGroup) {
+        log.trace("Executing findInfoByFrom [{}][{}]", from, typeGroup);
+        validate(from);
+        validateTypeGroup(typeGroup);
+        ListenableFuture<List<EntityRelation>> relations = relationDao.findAllByFrom(from, typeGroup);
+        ListenableFuture<List<EntityRelationInfo>> relationsInfo = Futures.transform(relations,
+                (AsyncFunction<List<EntityRelation>, List<EntityRelationInfo>>) relations1 -> {
+            List<ListenableFuture<EntityRelationInfo>> futures = new ArrayList<>();
+                    relations1.stream().forEach(relation ->
+                            futures.add(fetchRelationInfoAsync(relation,
+                                    relation2 -> relation2.getTo(),
+                                    (EntityRelationInfo relationInfo, String entityName) -> relationInfo.setToName(entityName)))
+                    );
+                    return Futures.successfulAsList(futures);
+        });
+        return relationsInfo;
+    }
+
+    @Override
+    public ListenableFuture<List<EntityRelation>> findByFromAndType(EntityId from, String relationType, RelationTypeGroup typeGroup) {
+        log.trace("Executing findByFromAndType [{}][{}][{}]", from, relationType, typeGroup);
         validate(from);
         validateType(relationType);
-        return relationDao.findAllByFromAndType(from, relationType);
+        validateTypeGroup(typeGroup);
+        return relationDao.findAllByFromAndType(from, relationType, typeGroup);
     }
 
     @Override
-    public ListenableFuture<List<EntityRelation>> findByTo(EntityId to) {
-        log.trace("Executing findByTo [{}]", to);
+    public ListenableFuture<List<EntityRelation>> findByTo(EntityId to, RelationTypeGroup typeGroup) {
+        log.trace("Executing findByTo [{}][{}]", to, typeGroup);
         validate(to);
-        return relationDao.findAllByTo(to);
+        validateTypeGroup(typeGroup);
+        return relationDao.findAllByTo(to, typeGroup);
     }
 
     @Override
-    public ListenableFuture<List<EntityRelation>> findByToAndType(EntityId to, String relationType) {
-        log.trace("Executing findByToAndType [{}][{}]", to, relationType);
+    public ListenableFuture<List<EntityRelationInfo>> findInfoByTo(EntityId to, RelationTypeGroup typeGroup) {
+        log.trace("Executing findInfoByTo [{}][{}]", to, typeGroup);
+        validate(to);
+        validateTypeGroup(typeGroup);
+        ListenableFuture<List<EntityRelation>> relations = relationDao.findAllByTo(to, typeGroup);
+        ListenableFuture<List<EntityRelationInfo>> relationsInfo = Futures.transform(relations,
+                (AsyncFunction<List<EntityRelation>, List<EntityRelationInfo>>) relations1 -> {
+                    List<ListenableFuture<EntityRelationInfo>> futures = new ArrayList<>();
+                    relations1.stream().forEach(relation ->
+                        futures.add(fetchRelationInfoAsync(relation,
+                                relation2 -> relation2.getFrom(),
+                                (EntityRelationInfo relationInfo, String entityName) -> relationInfo.setFromName(entityName)))
+                    );
+                    return Futures.successfulAsList(futures);
+                });
+        return relationsInfo;
+    }
+
+    private ListenableFuture<EntityRelationInfo> fetchRelationInfoAsync(EntityRelation relation,
+                                                                        Function<EntityRelation, EntityId> entityIdGetter,
+                                                                        BiConsumer<EntityRelationInfo, String> entityNameSetter) {
+        ListenableFuture<String> entityName = entityService.fetchEntityNameAsync(entityIdGetter.apply(relation));
+        ListenableFuture<EntityRelationInfo> entityRelationInfo =
+                Futures.transform(entityName, (Function<String, EntityRelationInfo>) entityName1 -> {
+                    EntityRelationInfo entityRelationInfo1 = new EntityRelationInfo(relation);
+                    entityNameSetter.accept(entityRelationInfo1, entityName1);
+                    return entityRelationInfo1;
+                });
+        return entityRelationInfo;
+    }
+
+    @Override
+    public ListenableFuture<List<EntityRelation>> findByToAndType(EntityId to, String relationType, RelationTypeGroup typeGroup) {
+        log.trace("Executing findByToAndType [{}][{}][{}]", to, relationType, typeGroup);
         validate(to);
         validateType(relationType);
-        return relationDao.findAllByToAndType(to, relationType);
+        validateTypeGroup(typeGroup);
+        return relationDao.findAllByToAndType(to, relationType, typeGroup);
     }
 
     @Override
@@ -128,8 +195,7 @@ public class BaseRelationService implements RelationService {
         RelationsSearchParameters params = query.getParameters();
         final List<EntityTypeFilter> filters = query.getFilters();
         if (filters == null || filters.isEmpty()) {
-            log.warn("Failed to query relations. Filters are not set [{}]", query);
-            throw new RuntimeException("Filters are not set!");
+            log.debug("Filters are not set [{}]", query);
         }
 
         int maxLvl = params.getMaxLevel() > 0 ? params.getMaxLevel() : Integer.MAX_VALUE;
@@ -139,10 +205,14 @@ public class BaseRelationService implements RelationService {
             return Futures.transform(relationSet, (Function<Set<EntityRelation>, List<EntityRelation>>) input -> {
                 List<EntityRelation> relations = new ArrayList<>();
                 for (EntityRelation relation : input) {
-                    for (EntityTypeFilter filter : filters) {
-                        if (match(filter, relation, params.getDirection())) {
-                            relations.add(relation);
-                            break;
+                    if (filters == null || filters.isEmpty()) {
+                        relations.add(relation);
+                    } else {
+                        for (EntityTypeFilter filter : filters) {
+                            if (match(filter, relation, params.getDirection())) {
+                                relations.add(relation);
+                                break;
+                            }
                         }
                     }
                 }
@@ -158,11 +228,12 @@ public class BaseRelationService implements RelationService {
         if (relation == null) {
             throw new DataValidationException("Relation type should be specified!");
         }
-        validate(relation.getFrom(), relation.getTo(), relation.getType());
+        validate(relation.getFrom(), relation.getTo(), relation.getType(), relation.getTypeGroup());
     }
 
-    protected void validate(EntityId from, EntityId to, String type) {
+    protected void validate(EntityId from, EntityId to, String type, RelationTypeGroup typeGroup) {
         validateType(type);
+        validateTypeGroup(typeGroup);
         if (from == null) {
             throw new DataValidationException("Relation should contain from entity!");
         }
@@ -177,6 +248,12 @@ public class BaseRelationService implements RelationService {
         }
     }
 
+    private void validateTypeGroup(RelationTypeGroup typeGroup) {
+        if (typeGroup == null) {
+            throw new DataValidationException("Relation type group should be specified!");
+        }
+    }
+
     protected void validate(EntityId entity) {
         if (entity == null) {
             throw new DataValidationException("Entity should be specified!");
@@ -211,7 +288,8 @@ public class BaseRelationService implements RelationService {
         }
     }
 
-    private ListenableFuture<Set<EntityRelation>> findRelationsRecursively(final EntityId rootId, final EntitySearchDirection direction, int lvl, final ConcurrentHashMap<EntityId, Boolean> uniqueMap) throws Exception {
+    private ListenableFuture<Set<EntityRelation>> findRelationsRecursively(final EntityId rootId, final EntitySearchDirection direction, int lvl,
+                                                                           final ConcurrentHashMap<EntityId, Boolean> uniqueMap) throws Exception {
         if (lvl == 0) {
             return Futures.immediateFuture(Collections.emptySet());
         }
@@ -247,9 +325,9 @@ public class BaseRelationService implements RelationService {
     private ListenableFuture<List<EntityRelation>> findRelations(final EntityId rootId, final EntitySearchDirection direction) {
         ListenableFuture<List<EntityRelation>> relations;
         if (direction == EntitySearchDirection.FROM) {
-            relations = findByFrom(rootId);
+            relations = findByFrom(rootId, RelationTypeGroup.COMMON);
         } else {
-            relations = findByTo(rootId);
+            relations = findByTo(rootId, RelationTypeGroup.COMMON);
         }
         return relations;
     }

dao/src/main/java/org/thingsboard/server/dao/relation/RelationDao.java

@@ -16,8 +16,11 @@
 package org.thingsboard.server.dao.relation;
 
 import com.google.common.util.concurrent.ListenableFuture;
+import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.page.TimePageLink;
 import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.common.data.relation.RelationTypeGroup;
 
 import java.util.List;
 
@@ -26,22 +29,24 @@ import java.util.List;
  */
 public interface RelationDao {
 
-    ListenableFuture<List<EntityRelation>> findAllByFrom(EntityId from);
+    ListenableFuture<List<EntityRelation>> findAllByFrom(EntityId from, RelationTypeGroup typeGroup);
 
-    ListenableFuture<List<EntityRelation>> findAllByFromAndType(EntityId from, String relationType);
+    ListenableFuture<List<EntityRelation>> findAllByFromAndType(EntityId from, String relationType, RelationTypeGroup typeGroup);
 
-    ListenableFuture<List<EntityRelation>> findAllByTo(EntityId to);
+    ListenableFuture<List<EntityRelation>> findAllByTo(EntityId to, RelationTypeGroup typeGroup);
 
-    ListenableFuture<List<EntityRelation>> findAllByToAndType(EntityId to, String relationType);
+    ListenableFuture<List<EntityRelation>> findAllByToAndType(EntityId to, String relationType, RelationTypeGroup typeGroup);
 
-    ListenableFuture<Boolean> checkRelation(EntityId from, EntityId to, String relationType);
+    ListenableFuture<Boolean> checkRelation(EntityId from, EntityId to, String relationType, RelationTypeGroup typeGroup);
 
     ListenableFuture<Boolean> saveRelation(EntityRelation relation);
 
     ListenableFuture<Boolean> deleteRelation(EntityRelation relation);
 
-    ListenableFuture<Boolean> deleteRelation(EntityId from, EntityId to, String relationType);
+    ListenableFuture<Boolean> deleteRelation(EntityId from, EntityId to, String relationType, RelationTypeGroup typeGroup);
 
     ListenableFuture<Boolean> deleteOutboundRelations(EntityId entity);
 
+    ListenableFuture<List<EntityRelation>> findRelations(EntityId from, String relationType, RelationTypeGroup typeGroup, EntityType toType, TimePageLink pageLink);
+
 }

dao/src/main/java/org/thingsboard/server/dao/relation/RelationService.java

@@ -18,6 +18,8 @@ package org.thingsboard.server.dao.relation;
 import com.google.common.util.concurrent.ListenableFuture;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.common.data.relation.EntityRelationInfo;
+import org.thingsboard.server.common.data.relation.RelationTypeGroup;
 
 import java.util.List;
 
@@ -26,24 +28,31 @@ import java.util.List;
  */
 public interface RelationService {
 
-    ListenableFuture<Boolean> checkRelation(EntityId from, EntityId to, String relationType);
+    ListenableFuture<Boolean> checkRelation(EntityId from, EntityId to, String relationType, RelationTypeGroup typeGroup);
 
     ListenableFuture<Boolean> saveRelation(EntityRelation relation);
 
     ListenableFuture<Boolean> deleteRelation(EntityRelation relation);
 
-    ListenableFuture<Boolean> deleteRelation(EntityId from, EntityId to, String relationType);
+    ListenableFuture<Boolean> deleteRelation(EntityId from, EntityId to, String relationType, RelationTypeGroup typeGroup);
 
     ListenableFuture<Boolean> deleteEntityRelations(EntityId entity);
 
-    ListenableFuture<List<EntityRelation>> findByFrom(EntityId from);
+    ListenableFuture<List<EntityRelation>> findByFrom(EntityId from, RelationTypeGroup typeGroup);
 
-    ListenableFuture<List<EntityRelation>> findByFromAndType(EntityId from, String relationType);
+    ListenableFuture<List<EntityRelationInfo>> findInfoByFrom(EntityId from, RelationTypeGroup typeGroup);
 
-    ListenableFuture<List<EntityRelation>> findByTo(EntityId to);
+    ListenableFuture<List<EntityRelation>> findByFromAndType(EntityId from, String relationType, RelationTypeGroup typeGroup);
 
-    ListenableFuture<List<EntityRelation>> findByToAndType(EntityId to, String relationType);
+    ListenableFuture<List<EntityRelation>> findByTo(EntityId to, RelationTypeGroup typeGroup);
+
+    ListenableFuture<List<EntityRelationInfo>> findInfoByTo(EntityId to, RelationTypeGroup typeGroup);
+
+    ListenableFuture<List<EntityRelation>> findByToAndType(EntityId to, String relationType, RelationTypeGroup typeGroup);
 
     ListenableFuture<List<EntityRelation>> findByQuery(EntityRelationsQuery query);
 
+//    TODO: This method may be useful for some validations in the future
+//    ListenableFuture<Boolean> checkRecursiveRelation(EntityId from, EntityId to);
+
 }

dao/src/main/java/org/thingsboard/server/dao/rule/BaseRuleService.java

@@ -23,7 +23,6 @@ import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
-import org.thingsboard.server.common.data.asset.Asset;
 import org.thingsboard.server.common.data.id.RuleId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.page.TextPageData;
@@ -34,11 +33,10 @@ import org.thingsboard.server.common.data.plugin.ComponentType;
 import org.thingsboard.server.common.data.plugin.PluginMetaData;
 import org.thingsboard.server.common.data.rule.RuleMetaData;
 import org.thingsboard.server.dao.component.ComponentDescriptorService;
-import org.thingsboard.server.dao.entity.BaseEntityService;
+import org.thingsboard.server.dao.entity.AbstractEntityService;
 import org.thingsboard.server.dao.exception.DataValidationException;
 import org.thingsboard.server.dao.exception.DatabaseException;
 import org.thingsboard.server.dao.exception.IncorrectParameterException;
-import org.thingsboard.server.dao.model.AssetEntity;
 import org.thingsboard.server.dao.model.RuleMetaDataEntity;
 import org.thingsboard.server.dao.plugin.PluginService;
 import org.thingsboard.server.dao.service.DataValidator;
@@ -58,7 +56,7 @@ import static org.thingsboard.server.dao.service.Validator.validatePageLink;
 
 @Service
 @Slf4j
-public class BaseRuleService extends BaseEntityService implements RuleService {
+public class BaseRuleService extends AbstractEntityService implements RuleService {
 
     private final TenantId systemTenantId = new TenantId(NULL_UUID);
 

dao/src/main/java/org/thingsboard/server/dao/tenant/TenantServiceImpl.java

@@ -26,7 +26,6 @@ import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
-import org.thingsboard.server.common.data.Customer;
 import org.thingsboard.server.common.data.Tenant;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.page.TextPageData;
@@ -34,9 +33,8 @@ import org.thingsboard.server.common.data.page.TextPageLink;
 import org.thingsboard.server.dao.customer.CustomerService;
 import org.thingsboard.server.dao.dashboard.DashboardService;
 import org.thingsboard.server.dao.device.DeviceService;
-import org.thingsboard.server.dao.entity.BaseEntityService;
+import org.thingsboard.server.dao.entity.AbstractEntityService;
 import org.thingsboard.server.dao.exception.DataValidationException;
-import org.thingsboard.server.dao.model.CustomerEntity;
 import org.thingsboard.server.dao.model.TenantEntity;
 import org.thingsboard.server.dao.plugin.PluginService;
 import org.thingsboard.server.dao.rule.RuleService;
@@ -50,7 +48,7 @@ import org.thingsboard.server.dao.widget.WidgetsBundleService;
 
 @Service
 @Slf4j
-public class TenantServiceImpl extends BaseEntityService implements TenantService {
+public class TenantServiceImpl extends AbstractEntityService implements TenantService {
 
     private static final String DEFAULT_TENANT_REGION = "Global";
 

dao/src/main/java/org/thingsboard/server/dao/user/UserService.java

@@ -15,6 +15,7 @@
  */
 package org.thingsboard.server.dao.user;
 
+import com.google.common.util.concurrent.ListenableFuture;
 import org.thingsboard.server.common.data.User;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.TenantId;
@@ -27,6 +28,8 @@ public interface UserService {
 	
 	public User findUserById(UserId userId);
 
+	public ListenableFuture<User> findUserByIdAsync(UserId userId);
+
 	public User findUserByEmail(String email);
 	
 	public User saveUser(User user);

dao/src/main/java/org/thingsboard/server/dao/user/UserServiceImpl.java

@@ -23,6 +23,9 @@ import static org.thingsboard.server.dao.service.Validator.validateString;
 
 import java.util.List;
 
+import com.google.common.base.Function;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.RandomStringUtils;
 import org.apache.commons.lang3.StringUtils;
@@ -35,7 +38,7 @@ import org.thingsboard.server.common.data.page.TextPageLink;
 import org.thingsboard.server.common.data.security.Authority;
 import org.thingsboard.server.common.data.security.UserCredentials;
 import org.thingsboard.server.dao.customer.CustomerDao;
-import org.thingsboard.server.dao.entity.BaseEntityService;
+import org.thingsboard.server.dao.entity.AbstractEntityService;
 import org.thingsboard.server.dao.exception.DataValidationException;
 import org.thingsboard.server.dao.exception.IncorrectParameterException;
 import org.thingsboard.server.dao.model.*;
@@ -47,7 +50,7 @@ import org.springframework.stereotype.Service;
 
 @Service
 @Slf4j
-public class UserServiceImpl extends BaseEntityService implements UserService {
+public class UserServiceImpl extends AbstractEntityService implements UserService {
 
     @Autowired
     private UserDao userDao;
@@ -77,6 +80,14 @@ public class UserServiceImpl extends BaseEntityService implements UserService {
 		return getData(userEntity);
 	}
 
+    @Override
+    public ListenableFuture<User> findUserByIdAsync(UserId userId) {
+        log.trace("Executing findUserByIdAsync [{}]", userId);
+        validateId(userId, "Incorrect userId " + userId);
+        ListenableFuture<UserEntity> userEntity = userDao.findByIdAsync(userId.getId());
+        return Futures.transform(userEntity, (Function<? super UserEntity, ? extends User>) input -> getData(input));
+    }
+
     @Override
     public User saveUser(User user) {
         log.trace("Executing saveUser [{}]", user);

dao/src/main/resources/demo-data.cql

@@ -149,66 +149,73 @@ VALUES (
 
 /** Demo device **/
 
-INSERT INTO thingsboard.device ( id, tenant_id, customer_id, name, search_text)
+INSERT INTO thingsboard.device ( id, tenant_id, customer_id, type, name, search_text)
 VALUES (
 	minTimeuuid ( '2016-11-01 01:02:05+0000' ),
 	minTimeuuid ( '2016-11-01 01:02:01+0000' ),
 	minTimeuuid ( '2016-11-01 01:02:03+0000' ),
+	'default',
 	'Test Device A1',
 	'test device a1'
 );
 
-INSERT INTO thingsboard.device ( id, tenant_id, customer_id, name, search_text)
+INSERT INTO thingsboard.device ( id, tenant_id, customer_id, type, name, search_text)
 VALUES (
 	minTimeuuid ( '2016-11-01 01:02:05+0001' ),
 	minTimeuuid ( '2016-11-01 01:02:01+0000' ),
 	minTimeuuid ( '2016-11-01 01:02:03+0000' ),
+	'default',
 	'Test Device A2',
 	'test device a2'
 );
 
-INSERT INTO thingsboard.device ( id, tenant_id, customer_id, name, search_text)
+INSERT INTO thingsboard.device ( id, tenant_id, customer_id, type, name, search_text)
 VALUES (
 	minTimeuuid ( '2016-11-01 01:02:05+0002' ),
 	minTimeuuid ( '2016-11-01 01:02:01+0000' ),
 	minTimeuuid ( '2016-11-01 01:02:03+0000' ),
+	'default',
 	'Test Device A3',
 	'test device a3'
 );
 
-INSERT INTO thingsboard.device ( id, tenant_id, customer_id, name, search_text)
+INSERT INTO thingsboard.device ( id, tenant_id, customer_id, type, name, search_text)
 VALUES (
 	minTimeuuid ( '2016-11-01 01:02:05+0003' ),
 	minTimeuuid ( '2016-11-01 01:02:01+0000' ),
 	minTimeuuid ( '2016-11-01 01:02:03+0001' ),
+	'default',
 	'Test Device B1',
 	'test device b1'
 );
 
-INSERT INTO thingsboard.device ( id, tenant_id, customer_id, name, search_text)
+INSERT INTO thingsboard.device ( id, tenant_id, customer_id, type, name, search_text)
 VALUES (
 	minTimeuuid ( '2016-11-01 01:02:05+0004' ),
 	minTimeuuid ( '2016-11-01 01:02:01+0000' ),
 	minTimeuuid ( '2016-11-01 01:02:03+0002' ),
+	'default',
 	'Test Device C1',
 	'test device c1'
 );
 
-INSERT INTO thingsboard.device ( id, tenant_id, customer_id, name, search_text, additional_info)
+INSERT INTO thingsboard.device ( id, tenant_id, customer_id, type, name, search_text, additional_info)
 VALUES (
 	c8f1a6f0-b993-11e6-8a04-9ff4e1b7933c,
 	minTimeuuid ( '2016-11-01 01:02:01+0000' ),
 	minTimeuuid ( 0 ),
+	'default',
 	'DHT11 Demo Device',
 	'dht11 demo device',
 	'{"description":"Demo device that is used in sample applications that upload data from DHT11 temperature and humidity sensor"}'
 );
 
-INSERT INTO thingsboard.device ( id, tenant_id, customer_id, name, search_text, additional_info)
+INSERT INTO thingsboard.device ( id, tenant_id, customer_id, type, name, search_text, additional_info)
 VALUES (
 	c8f1a6f0-b993-11e6-8a04-9ff4e1b7933d,
 	minTimeuuid ( '2016-11-01 01:02:01+0000' ),
 	minTimeuuid ( 0 ),
+	'default',
 	'Raspberry Pi Demo Device',
 	'raspberry pi demo device',
 	'{"description":"Demo device that is used in Raspberry Pi GPIO control sample application"}'

dao/src/main/resources/schema.cql

@@ -152,36 +152,57 @@ CREATE MATERIALIZED VIEW IF NOT EXISTS thingsboard.customer_by_tenant_and_search
 	WITH CLUSTERING ORDER BY ( search_text ASC, id DESC );
 
 CREATE TABLE IF NOT EXISTS thingsboard.device (
-	id timeuuid,
-	tenant_id timeuuid,
-	customer_id timeuuid,
-	name text,
-	type text,
-	search_text text,
-	additional_info text,
-	PRIMARY KEY (id, tenant_id, customer_id)
+    id timeuuid,
+    tenant_id timeuuid,
+    customer_id timeuuid,
+    name text,
+    type text,
+    search_text text,
+    additional_info text,
+    PRIMARY KEY (id, tenant_id, customer_id, type)
 );
 
 CREATE MATERIALIZED VIEW IF NOT EXISTS thingsboard.device_by_tenant_and_name AS
-	SELECT *
-	from thingsboard.device
-	WHERE tenant_id IS NOT NULL AND customer_id IS NOT NULL AND name IS NOT NULL AND id IS NOT NULL
-	PRIMARY KEY ( tenant_id, name, id, customer_id)
-	WITH CLUSTERING ORDER BY ( name ASC, id DESC, customer_id DESC);
+    SELECT *
+    from thingsboard.device
+    WHERE tenant_id IS NOT NULL AND customer_id IS NOT NULL AND type IS NOT NULL AND name IS NOT NULL AND id IS NOT NULL
+    PRIMARY KEY ( tenant_id, name, id, customer_id, type)
+    WITH CLUSTERING ORDER BY ( name ASC, id DESC, customer_id DESC);
 
 CREATE MATERIALIZED VIEW IF NOT EXISTS thingsboard.device_by_tenant_and_search_text AS
-	SELECT *
-	from thingsboard.device
-	WHERE tenant_id IS NOT NULL AND customer_id IS NOT NULL AND search_text IS NOT NULL AND id IS NOT NULL
-	PRIMARY KEY ( tenant_id, search_text, id, customer_id)
-	WITH CLUSTERING ORDER BY ( search_text ASC, id DESC, customer_id DESC);
+    SELECT *
+    from thingsboard.device
+    WHERE tenant_id IS NOT NULL AND customer_id IS NOT NULL AND type IS NOT NULL AND search_text IS NOT NULL AND id IS NOT NULL
+    PRIMARY KEY ( tenant_id, search_text, id, customer_id, type)
+    WITH CLUSTERING ORDER BY ( search_text ASC, id DESC, customer_id DESC);
+
+CREATE MATERIALIZED VIEW IF NOT EXISTS thingsboard.device_by_tenant_by_type_and_search_text AS
+    SELECT *
+    from thingsboard.device
+    WHERE tenant_id IS NOT NULL AND customer_id IS NOT NULL AND type IS NOT NULL AND search_text IS NOT NULL AND id IS NOT NULL
+    PRIMARY KEY ( tenant_id, type, search_text, id, customer_id)
+    WITH CLUSTERING ORDER BY ( type ASC, search_text ASC, id DESC, customer_id DESC);
 
 CREATE MATERIALIZED VIEW IF NOT EXISTS thingsboard.device_by_customer_and_search_text AS
-	SELECT *
-	from thingsboard.device
-	WHERE tenant_id IS NOT NULL AND customer_id IS NOT NULL AND search_text IS NOT NULL AND id IS NOT NULL
-	PRIMARY KEY ( customer_id, tenant_id, search_text, id )
-	WITH CLUSTERING ORDER BY ( tenant_id DESC, search_text ASC, id DESC );
+    SELECT *
+    from thingsboard.device
+    WHERE tenant_id IS NOT NULL AND customer_id IS NOT NULL AND type IS NOT NULL AND search_text IS NOT NULL AND id IS NOT NULL
+    PRIMARY KEY ( customer_id, tenant_id, search_text, id, type )
+    WITH CLUSTERING ORDER BY ( tenant_id DESC, search_text ASC, id DESC );
+
+CREATE MATERIALIZED VIEW IF NOT EXISTS thingsboard.device_by_customer_by_type_and_search_text AS
+    SELECT *
+    from thingsboard.device
+    WHERE tenant_id IS NOT NULL AND customer_id IS NOT NULL AND type IS NOT NULL AND search_text IS NOT NULL AND id IS NOT NULL
+    PRIMARY KEY ( customer_id, tenant_id, type, search_text, id )
+    WITH CLUSTERING ORDER BY ( tenant_id DESC, type ASC, search_text ASC, id DESC );
+
+CREATE MATERIALIZED VIEW IF NOT EXISTS thingsboard.device_types_by_tenant AS
+    SELECT *
+    from thingsboard.device
+    WHERE tenant_id IS NOT NULL AND customer_id IS NOT NULL AND type IS NOT NULL AND id IS NOT NULL
+    PRIMARY KEY ( (type, tenant_id), id, customer_id)
+    WITH CLUSTERING ORDER BY ( id ASC, customer_id DESC);
 
 CREATE TABLE IF NOT EXISTS thingsboard.device_credentials (
 	id timeuuid PRIMARY KEY,
@@ -203,55 +224,108 @@ CREATE MATERIALIZED VIEW IF NOT EXISTS thingsboard.device_credentials_by_credent
 	WHERE credentials_id IS NOT NULL AND id IS NOT NULL
 	PRIMARY KEY ( credentials_id, id );
 
-
 CREATE TABLE IF NOT EXISTS thingsboard.asset (
-	id timeuuid,
-	tenant_id timeuuid,
-	customer_id timeuuid,
-	name text,
-	type text,
-	search_text text,
-	additional_info text,
-	PRIMARY KEY (id, tenant_id, customer_id)
+    id timeuuid,
+    tenant_id timeuuid,
+    customer_id timeuuid,
+    name text,
+    type text,
+    search_text text,
+    additional_info text,
+    PRIMARY KEY (id, tenant_id, customer_id, type)
 );
 
 CREATE MATERIALIZED VIEW IF NOT EXISTS thingsboard.asset_by_tenant_and_name AS
-	SELECT *
-	from thingsboard.asset
-	WHERE tenant_id IS NOT NULL AND customer_id IS NOT NULL AND name IS NOT NULL AND id IS NOT NULL
-	PRIMARY KEY ( tenant_id, name, id, customer_id)
-	WITH CLUSTERING ORDER BY ( name ASC, id DESC, customer_id DESC);
+    SELECT *
+    from thingsboard.asset
+    WHERE tenant_id IS NOT NULL AND customer_id IS NOT NULL AND type IS NOT NULL AND name IS NOT NULL AND id IS NOT NULL
+    PRIMARY KEY ( tenant_id, name, id, customer_id, type)
+    WITH CLUSTERING ORDER BY ( name ASC, id DESC, customer_id DESC);
 
 CREATE MATERIALIZED VIEW IF NOT EXISTS thingsboard.asset_by_tenant_and_search_text AS
-	SELECT *
-	from thingsboard.asset
-	WHERE tenant_id IS NOT NULL AND customer_id IS NOT NULL AND search_text IS NOT NULL AND id IS NOT NULL
-	PRIMARY KEY ( tenant_id, search_text, id, customer_id)
-	WITH CLUSTERING ORDER BY ( search_text ASC, id DESC, customer_id DESC);
+    SELECT *
+    from thingsboard.asset
+    WHERE tenant_id IS NOT NULL AND customer_id IS NOT NULL AND type IS NOT NULL AND search_text IS NOT NULL AND id IS NOT NULL
+    PRIMARY KEY ( tenant_id, search_text, id, customer_id, type)
+    WITH CLUSTERING ORDER BY ( search_text ASC, id DESC, customer_id DESC);
+
+CREATE MATERIALIZED VIEW IF NOT EXISTS thingsboard.asset_by_tenant_by_type_and_search_text AS
+    SELECT *
+    from thingsboard.asset
+    WHERE tenant_id IS NOT NULL AND customer_id IS NOT NULL AND type IS NOT NULL AND search_text IS NOT NULL AND id IS NOT NULL
+    PRIMARY KEY ( tenant_id, type, search_text, id, customer_id)
+    WITH CLUSTERING ORDER BY ( type ASC, search_text ASC, id DESC, customer_id DESC);
 
 CREATE MATERIALIZED VIEW IF NOT EXISTS thingsboard.asset_by_customer_and_search_text AS
-	SELECT *
-	from thingsboard.asset
-	WHERE tenant_id IS NOT NULL AND customer_id IS NOT NULL AND search_text IS NOT NULL AND id IS NOT NULL
-	PRIMARY KEY ( customer_id, tenant_id, search_text, id )
-	WITH CLUSTERING ORDER BY ( tenant_id DESC, search_text ASC, id DESC );
+    SELECT *
+    from thingsboard.asset
+    WHERE tenant_id IS NOT NULL AND customer_id IS NOT NULL AND type IS NOT NULL AND search_text IS NOT NULL AND id IS NOT NULL
+    PRIMARY KEY ( customer_id, tenant_id, search_text, id, type )
+    WITH CLUSTERING ORDER BY ( tenant_id DESC, search_text ASC, id DESC );
+
+CREATE MATERIALIZED VIEW IF NOT EXISTS thingsboard.asset_by_customer_by_type_and_search_text AS
+    SELECT *
+    from thingsboard.asset
+    WHERE tenant_id IS NOT NULL AND customer_id IS NOT NULL AND type IS NOT NULL AND search_text IS NOT NULL AND id IS NOT NULL
+    PRIMARY KEY ( customer_id, tenant_id, type, search_text, id )
+    WITH CLUSTERING ORDER BY ( tenant_id DESC, type ASC, search_text ASC, id DESC );
+
+CREATE MATERIALIZED VIEW IF NOT EXISTS thingsboard.asset_types_by_tenant AS
+    SELECT *
+    from thingsboard.asset
+    WHERE tenant_id IS NOT NULL AND customer_id IS NOT NULL AND type IS NOT NULL AND id IS NOT NULL
+    PRIMARY KEY ( (type, tenant_id), id, customer_id)
+    WITH CLUSTERING ORDER BY ( id ASC, customer_id DESC);
+
+CREATE TABLE IF NOT EXISTS thingsboard.alarm (
+	id timeuuid,
+	tenant_id timeuuid,
+	type text,
+	originator_id timeuuid,
+	originator_type text,
+    severity text,
+    status text,
+	start_ts bigint,
+	end_ts bigint,
+	ack_ts bigint,
+	clear_ts bigint,
+	details text,
+	propagate boolean,
+	PRIMARY KEY ((tenant_id, originator_id, originator_type), type, id)
+) WITH CLUSTERING ORDER BY ( type ASC, id DESC);
+
+CREATE MATERIALIZED VIEW IF NOT EXISTS thingsboard.alarm_by_id AS
+    SELECT *
+    from thingsboard.alarm
+    WHERE tenant_id IS NOT NULL AND originator_id IS NOT NULL AND originator_type IS NOT NULL AND type IS NOT NULL
+    AND type IS NOT NULL AND id IS NOT NULL
+    PRIMARY KEY (id, tenant_id, originator_id, originator_type, type)
+    WITH CLUSTERING ORDER BY ( tenant_id ASC, originator_id ASC, originator_type ASC, type ASC);
 
 CREATE TABLE IF NOT EXISTS thingsboard.relation (
 	from_id timeuuid,
 	from_type text,
 	to_id timeuuid,
 	to_type text,
+	relation_type_group text,
 	relation_type text,
 	additional_info text,
-	PRIMARY KEY ((from_id, from_type), relation_type, to_id, to_type)
-);
+	PRIMARY KEY ((from_id, from_type), relation_type_group, relation_type, to_id, to_type)
+) WITH CLUSTERING ORDER BY ( relation_type_group ASC, relation_type ASC, to_id ASC, to_type ASC);
+
+CREATE MATERIALIZED VIEW IF NOT EXISTS thingsboard.relation_by_type_and_child_type AS
+    SELECT *
+    from thingsboard.relation
+    WHERE from_id IS NOT NULL AND from_type IS NOT NULL AND relation_type_group IS NOT NULL AND relation_type IS NOT NULL AND to_id IS NOT NULL AND to_type IS NOT NULL
+    PRIMARY KEY ((from_id, from_type), relation_type_group, relation_type, to_type, to_id)
+    WITH CLUSTERING ORDER BY ( relation_type_group ASC, relation_type ASC, to_type ASC, to_id DESC);
 
 CREATE MATERIALIZED VIEW IF NOT EXISTS thingsboard.reverse_relation AS
-SELECT *
-from thingsboard.relation
-WHERE from_id IS NOT NULL AND from_type IS NOT NULL AND relation_type IS NOT NULL AND to_id IS NOT NULL AND to_type IS NOT NULL
-PRIMARY KEY ((to_id, to_type), relation_type, from_id, from_type)
-WITH CLUSTERING ORDER BY ( relation_type ASC, from_id ASC, from_type ASC);
+    SELECT *
+    from thingsboard.relation
+    WHERE from_id IS NOT NULL AND from_type IS NOT NULL AND relation_type_group IS NOT NULL AND relation_type IS NOT NULL AND to_id IS NOT NULL AND to_type IS NOT NULL
+    PRIMARY KEY ((to_id, to_type), relation_type_group, relation_type, from_id, from_type)
+    WITH CLUSTERING ORDER BY ( relation_type_group ASC, relation_type ASC, from_id ASC, from_type ASC);
 
 CREATE TABLE IF NOT EXISTS thingsboard.widgets_bundle (
     id timeuuid,

dao/src/test/java/org/thingsboard/server/dao/service/AbstractServiceTest.java

@@ -40,6 +40,8 @@ import org.thingsboard.server.common.data.plugin.ComponentScope;
 import org.thingsboard.server.common.data.plugin.ComponentType;
 import org.thingsboard.server.common.data.plugin.PluginMetaData;
 import org.thingsboard.server.common.data.rule.RuleMetaData;
+import org.thingsboard.server.dao.alarm.AlarmService;
+import org.thingsboard.server.dao.asset.AssetService;
 import org.thingsboard.server.dao.component.ComponentDescriptorService;
 import org.thingsboard.server.dao.customer.CustomerService;
 import org.thingsboard.server.dao.dashboard.DashboardService;
@@ -87,6 +89,9 @@ public abstract class AbstractServiceTest {
     @Autowired
     protected DeviceService deviceService;
 
+    @Autowired
+    protected AssetService assetService;
+
     @Autowired
     protected DeviceCredentialsService deviceCredentialsService;
 
@@ -114,6 +119,9 @@ public abstract class AbstractServiceTest {
     @Autowired
     protected RelationService relationService;
 
+    @Autowired
+    protected AlarmService alarmService;
+
     @Autowired
     private ComponentDescriptorService componentDescriptorService;
 

dao/src/test/java/org/thingsboard/server/dao/service/AlarmServiceTest.java

@@ -0,0 +1,172 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.dao.service;
+
+import com.datastax.driver.core.utils.UUIDs;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.Tenant;
+import org.thingsboard.server.common.data.alarm.Alarm;
+import org.thingsboard.server.common.data.alarm.AlarmQuery;
+import org.thingsboard.server.common.data.alarm.AlarmSeverity;
+import org.thingsboard.server.common.data.alarm.AlarmStatus;
+import org.thingsboard.server.common.data.id.AssetId;
+import org.thingsboard.server.common.data.id.DeviceId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.page.TimePageData;
+import org.thingsboard.server.common.data.page.TimePageLink;
+import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.dao.exception.DataValidationException;
+import org.thingsboard.server.dao.relation.EntityRelationsQuery;
+import org.thingsboard.server.dao.relation.EntitySearchDirection;
+import org.thingsboard.server.dao.relation.EntityTypeFilter;
+import org.thingsboard.server.dao.relation.RelationsSearchParameters;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+
+public class AlarmServiceTest extends AbstractServiceTest {
+
+    public static final String TEST_ALARM = "TEST_ALARM";
+    private TenantId tenantId;
+
+    @Before
+    public void before() {
+        Tenant tenant = new Tenant();
+        tenant.setTitle("My tenant");
+        Tenant savedTenant = tenantService.saveTenant(tenant);
+        Assert.assertNotNull(savedTenant);
+        tenantId = savedTenant.getId();
+    }
+
+    @After
+    public void after() {
+        tenantService.deleteTenant(tenantId);
+    }
+
+
+    @Test
+    public void testSaveAndFetchAlarm() throws ExecutionException, InterruptedException {
+        AssetId parentId = new AssetId(UUIDs.timeBased());
+        AssetId childId = new AssetId(UUIDs.timeBased());
+
+        EntityRelation relation = new EntityRelation(parentId, childId, EntityRelation.CONTAINS_TYPE);
+
+        Assert.assertTrue(relationService.saveRelation(relation).get());
+
+        long ts = System.currentTimeMillis();
+        Alarm alarm = Alarm.builder().tenantId(tenantId).originator(childId)
+                .type(TEST_ALARM)
+                .severity(AlarmSeverity.CRITICAL).status(AlarmStatus.ACTIVE_UNACK)
+                .startTs(ts).build();
+
+        Alarm created = alarmService.createOrUpdateAlarm(alarm);
+
+        Assert.assertNotNull(created);
+        Assert.assertNotNull(created.getId());
+        Assert.assertNotNull(created.getOriginator());
+        Assert.assertNotNull(created.getSeverity());
+        Assert.assertNotNull(created.getStatus());
+
+        Assert.assertEquals(tenantId, created.getTenantId());
+        Assert.assertEquals(childId, created.getOriginator());
+        Assert.assertEquals(TEST_ALARM, created.getType());
+        Assert.assertEquals(AlarmSeverity.CRITICAL, created.getSeverity());
+        Assert.assertEquals(AlarmStatus.ACTIVE_UNACK, created.getStatus());
+        Assert.assertEquals(ts, created.getStartTs());
+        Assert.assertEquals(ts, created.getEndTs());
+        Assert.assertEquals(0L, created.getAckTs());
+        Assert.assertEquals(0L, created.getClearTs());
+
+        Alarm fetched = alarmService.findAlarmByIdAsync(created.getId()).get();
+        Assert.assertEquals(created, fetched);
+    }
+
+    @Test
+    public void testFindAlarm() throws ExecutionException, InterruptedException {
+        AssetId parentId = new AssetId(UUIDs.timeBased());
+        AssetId childId = new AssetId(UUIDs.timeBased());
+
+        EntityRelation relation = new EntityRelation(parentId, childId, EntityRelation.CONTAINS_TYPE);
+
+        Assert.assertTrue(relationService.saveRelation(relation).get());
+
+        long ts = System.currentTimeMillis();
+        Alarm alarm = Alarm.builder().tenantId(tenantId).originator(childId)
+                .type(TEST_ALARM)
+                .severity(AlarmSeverity.CRITICAL).status(AlarmStatus.ACTIVE_UNACK)
+                .startTs(ts).build();
+
+        Alarm created = alarmService.createOrUpdateAlarm(alarm);
+
+        // Check child relation
+        TimePageData<Alarm> alarms = alarmService.findAlarms(AlarmQuery.builder()
+                .affectedEntityId(childId)
+                .status(AlarmStatus.ACTIVE_UNACK).pageLink(
+                        new TimePageLink(1, 0L, System.currentTimeMillis(), false)
+                ).build()).get();
+        Assert.assertNotNull(alarms.getData());
+        Assert.assertEquals(1, alarms.getData().size());
+        Assert.assertEquals(created, alarms.getData().get(0));
+
+        // Check parent relation
+        alarms = alarmService.findAlarms(AlarmQuery.builder()
+                .affectedEntityId(parentId)
+                .status(AlarmStatus.ACTIVE_UNACK).pageLink(
+                        new TimePageLink(1, 0L, System.currentTimeMillis(), false)
+                ).build()).get();
+        Assert.assertNotNull(alarms.getData());
+        Assert.assertEquals(1, alarms.getData().size());
+        Assert.assertEquals(created, alarms.getData().get(0));
+
+        alarmService.ackAlarm(created.getId(), System.currentTimeMillis()).get();
+        created = alarmService.findAlarmByIdAsync(created.getId()).get();
+
+        alarms = alarmService.findAlarms(AlarmQuery.builder()
+                .affectedEntityId(childId)
+                .status(AlarmStatus.ACTIVE_ACK).pageLink(
+                        new TimePageLink(1, 0L, System.currentTimeMillis(), false)
+                ).build()).get();
+        Assert.assertNotNull(alarms.getData());
+        Assert.assertEquals(1, alarms.getData().size());
+        Assert.assertEquals(created, alarms.getData().get(0));
+
+        // Check not existing relation
+        alarms = alarmService.findAlarms(AlarmQuery.builder()
+                .affectedEntityId(childId)
+                .status(AlarmStatus.ACTIVE_UNACK).pageLink(
+                        new TimePageLink(1, 0L, System.currentTimeMillis(), false)
+                ).build()).get();
+        Assert.assertNotNull(alarms.getData());
+        Assert.assertEquals(0, alarms.getData().size());
+
+        alarmService.clearAlarm(created.getId(), System.currentTimeMillis()).get();
+        created = alarmService.findAlarmByIdAsync(created.getId()).get();
+
+        alarms = alarmService.findAlarms(AlarmQuery.builder()
+                .affectedEntityId(childId)
+                .status(AlarmStatus.CLEARED_ACK).pageLink(
+                        new TimePageLink(1, 0L, System.currentTimeMillis(), false)
+                ).build()).get();
+        Assert.assertNotNull(alarms.getData());
+        Assert.assertEquals(1, alarms.getData().size());
+        Assert.assertEquals(created, alarms.getData().get(0));
+    }
+}

dao/src/test/java/org/thingsboard/server/dao/service/BaseAssetServiceTest.java

@@ -0,0 +1,634 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.dao.service;
+
+import com.datastax.driver.core.utils.UUIDs;
+import org.apache.commons.lang3.RandomStringUtils;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.thingsboard.server.common.data.Customer;
+import org.thingsboard.server.common.data.Tenant;
+import org.thingsboard.server.common.data.asset.Asset;
+import org.thingsboard.server.common.data.asset.TenantAssetType;
+import org.thingsboard.server.common.data.id.CustomerId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.page.TextPageData;
+import org.thingsboard.server.common.data.page.TextPageLink;
+import org.thingsboard.server.dao.exception.DataValidationException;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import static org.thingsboard.server.dao.model.ModelConstants.NULL_UUID;
+
+public class BaseAssetServiceTest extends AbstractServiceTest {
+
+    private IdComparator<Asset> idComparator = new IdComparator<>();
+
+    private TenantId tenantId;
+
+    @Before
+    public void before() {
+        Tenant tenant = new Tenant();
+        tenant.setTitle("My tenant");
+        Tenant savedTenant = tenantService.saveTenant(tenant);
+        Assert.assertNotNull(savedTenant);
+        tenantId = savedTenant.getId();
+    }
+
+    @After
+    public void after() {
+        tenantService.deleteTenant(tenantId);
+    }
+
+    @Test
+    public void testSaveAsset() {
+        Asset asset = new Asset();
+        asset.setTenantId(tenantId);
+        asset.setName("My asset");
+        asset.setType("default");
+        Asset savedAsset = assetService.saveAsset(asset);
+
+        Assert.assertNotNull(savedAsset);
+        Assert.assertNotNull(savedAsset.getId());
+        Assert.assertTrue(savedAsset.getCreatedTime() > 0);
+        Assert.assertEquals(asset.getTenantId(), savedAsset.getTenantId());
+        Assert.assertNotNull(savedAsset.getCustomerId());
+        Assert.assertEquals(NULL_UUID, savedAsset.getCustomerId().getId());
+        Assert.assertEquals(asset.getName(), savedAsset.getName());
+
+        savedAsset.setName("My new asset");
+
+        assetService.saveAsset(savedAsset);
+        Asset foundAsset = assetService.findAssetById(savedAsset.getId());
+        Assert.assertEquals(foundAsset.getName(), savedAsset.getName());
+
+        assetService.deleteAsset(savedAsset.getId());
+    }
+
+    @Test(expected = DataValidationException.class)
+    public void testSaveAssetWithEmptyName() {
+        Asset asset = new Asset();
+        asset.setTenantId(tenantId);
+        asset.setType("default");
+        assetService.saveAsset(asset);
+    }
+
+    @Test(expected = DataValidationException.class)
+    public void testSaveAssetWithEmptyTenant() {
+        Asset asset = new Asset();
+        asset.setName("My asset");
+        asset.setType("default");
+        assetService.saveAsset(asset);
+    }
+
+    @Test(expected = DataValidationException.class)
+    public void testSaveAssetWithInvalidTenant() {
+        Asset asset = new Asset();
+        asset.setName("My asset");
+        asset.setType("default");
+        asset.setTenantId(new TenantId(UUIDs.timeBased()));
+        assetService.saveAsset(asset);
+    }
+
+    @Test(expected = DataValidationException.class)
+    public void testAssignAssetToNonExistentCustomer() {
+        Asset asset = new Asset();
+        asset.setName("My asset");
+        asset.setType("default");
+        asset.setTenantId(tenantId);
+        asset = assetService.saveAsset(asset);
+        try {
+            assetService.assignAssetToCustomer(asset.getId(), new CustomerId(UUIDs.timeBased()));
+        } finally {
+            assetService.deleteAsset(asset.getId());
+        }
+    }
+
+    @Test(expected = DataValidationException.class)
+    public void testAssignAssetToCustomerFromDifferentTenant() {
+        Asset asset = new Asset();
+        asset.setName("My asset");
+        asset.setType("default");
+        asset.setTenantId(tenantId);
+        asset = assetService.saveAsset(asset);
+        Tenant tenant = new Tenant();
+        tenant.setTitle("Test different tenant");
+        tenant = tenantService.saveTenant(tenant);
+        Customer customer = new Customer();
+        customer.setTenantId(tenant.getId());
+        customer.setTitle("Test different customer");
+        customer = customerService.saveCustomer(customer);
+        try {
+            assetService.assignAssetToCustomer(asset.getId(), customer.getId());
+        } finally {
+            assetService.deleteAsset(asset.getId());
+            tenantService.deleteTenant(tenant.getId());
+        }
+    }
+
+    @Test
+    public void testFindAssetById() {
+        Asset asset = new Asset();
+        asset.setTenantId(tenantId);
+        asset.setName("My asset");
+        asset.setType("default");
+        Asset savedAsset = assetService.saveAsset(asset);
+        Asset foundAsset = assetService.findAssetById(savedAsset.getId());
+        Assert.assertNotNull(foundAsset);
+        Assert.assertEquals(savedAsset, foundAsset);
+        assetService.deleteAsset(savedAsset.getId());
+    }
+
+    @Test
+    public void testFindAssetTypesByTenantId() throws Exception {
+        List<Asset> assets = new ArrayList<>();
+        try {
+            for (int i=0;i<3;i++) {
+                Asset asset = new Asset();
+                asset.setTenantId(tenantId);
+                asset.setName("My asset B"+i);
+                asset.setType("typeB");
+                assets.add(assetService.saveAsset(asset));
+            }
+            for (int i=0;i<7;i++) {
+                Asset asset = new Asset();
+                asset.setTenantId(tenantId);
+                asset.setName("My asset C"+i);
+                asset.setType("typeC");
+                assets.add(assetService.saveAsset(asset));
+            }
+            for (int i=0;i<9;i++) {
+                Asset asset = new Asset();
+                asset.setTenantId(tenantId);
+                asset.setName("My asset A"+i);
+                asset.setType("typeA");
+                assets.add(assetService.saveAsset(asset));
+            }
+            List<TenantAssetType> assetTypes = assetService.findAssetTypesByTenantId(tenantId).get();
+            Assert.assertNotNull(assetTypes);
+            Assert.assertEquals(3, assetTypes.size());
+            Assert.assertEquals("typeA", assetTypes.get(0).getType());
+            Assert.assertEquals("typeB", assetTypes.get(1).getType());
+            Assert.assertEquals("typeC", assetTypes.get(2).getType());
+        } finally {
+            assets.forEach((asset) -> { assetService.deleteAsset(asset.getId()); });
+        }
+    }
+
+    @Test
+    public void testDeleteAsset() {
+        Asset asset = new Asset();
+        asset.setTenantId(tenantId);
+        asset.setName("My asset");
+        asset.setType("default");
+        Asset savedAsset = assetService.saveAsset(asset);
+        Asset foundAsset = assetService.findAssetById(savedAsset.getId());
+        Assert.assertNotNull(foundAsset);
+        assetService.deleteAsset(savedAsset.getId());
+        foundAsset = assetService.findAssetById(savedAsset.getId());
+        Assert.assertNull(foundAsset);
+    }
+
+    @Test
+    public void testFindAssetsByTenantId() {
+        Tenant tenant = new Tenant();
+        tenant.setTitle("Test tenant");
+        tenant = tenantService.saveTenant(tenant);
+
+        TenantId tenantId = tenant.getId();
+
+        List<Asset> assets = new ArrayList<>();
+        for (int i=0;i<178;i++) {
+            Asset asset = new Asset();
+            asset.setTenantId(tenantId);
+            asset.setName("Asset"+i);
+            asset.setType("default");
+            assets.add(assetService.saveAsset(asset));
+        }
+
+        List<Asset> loadedAssets = new ArrayList<>();
+        TextPageLink pageLink = new TextPageLink(23);
+        TextPageData<Asset> pageData = null;
+        do {
+            pageData = assetService.findAssetsByTenantId(tenantId, pageLink);
+            loadedAssets.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assets, idComparator);
+        Collections.sort(loadedAssets, idComparator);
+
+        Assert.assertEquals(assets, loadedAssets);
+
+        assetService.deleteAssetsByTenantId(tenantId);
+
+        pageLink = new TextPageLink(33);
+        pageData = assetService.findAssetsByTenantId(tenantId, pageLink);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertTrue(pageData.getData().isEmpty());
+
+        tenantService.deleteTenant(tenantId);
+    }
+
+    @Test
+    public void testFindAssetsByTenantIdAndName() {
+        String title1 = "Asset title 1";
+        List<Asset> assetsTitle1 = new ArrayList<>();
+        for (int i=0;i<143;i++) {
+            Asset asset = new Asset();
+            asset.setTenantId(tenantId);
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title1+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            asset.setName(name);
+            asset.setType("default");
+            assetsTitle1.add(assetService.saveAsset(asset));
+        }
+        String title2 = "Asset title 2";
+        List<Asset> assetsTitle2 = new ArrayList<>();
+        for (int i=0;i<175;i++) {
+            Asset asset = new Asset();
+            asset.setTenantId(tenantId);
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title2+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            asset.setName(name);
+            asset.setType("default");
+            assetsTitle2.add(assetService.saveAsset(asset));
+        }
+
+        List<Asset> loadedAssetsTitle1 = new ArrayList<>();
+        TextPageLink pageLink = new TextPageLink(15, title1);
+        TextPageData<Asset> pageData = null;
+        do {
+            pageData = assetService.findAssetsByTenantId(tenantId, pageLink);
+            loadedAssetsTitle1.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assetsTitle1, idComparator);
+        Collections.sort(loadedAssetsTitle1, idComparator);
+
+        Assert.assertEquals(assetsTitle1, loadedAssetsTitle1);
+
+        List<Asset> loadedAssetsTitle2 = new ArrayList<>();
+        pageLink = new TextPageLink(4, title2);
+        do {
+            pageData = assetService.findAssetsByTenantId(tenantId, pageLink);
+            loadedAssetsTitle2.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assetsTitle2, idComparator);
+        Collections.sort(loadedAssetsTitle2, idComparator);
+
+        Assert.assertEquals(assetsTitle2, loadedAssetsTitle2);
+
+        for (Asset asset : loadedAssetsTitle1) {
+            assetService.deleteAsset(asset.getId());
+        }
+
+        pageLink = new TextPageLink(4, title1);
+        pageData = assetService.findAssetsByTenantId(tenantId, pageLink);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+
+        for (Asset asset : loadedAssetsTitle2) {
+            assetService.deleteAsset(asset.getId());
+        }
+
+        pageLink = new TextPageLink(4, title2);
+        pageData = assetService.findAssetsByTenantId(tenantId, pageLink);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+    }
+
+    @Test
+    public void testFindAssetsByTenantIdAndType() {
+        String title1 = "Asset title 1";
+        String type1 = "typeA";
+        List<Asset> assetsType1 = new ArrayList<>();
+        for (int i=0;i<143;i++) {
+            Asset asset = new Asset();
+            asset.setTenantId(tenantId);
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title1+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            asset.setName(name);
+            asset.setType(type1);
+            assetsType1.add(assetService.saveAsset(asset));
+        }
+        String title2 = "Asset title 2";
+        String type2 = "typeB";
+        List<Asset> assetsType2 = new ArrayList<>();
+        for (int i=0;i<175;i++) {
+            Asset asset = new Asset();
+            asset.setTenantId(tenantId);
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title2+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            asset.setName(name);
+            asset.setType(type2);
+            assetsType2.add(assetService.saveAsset(asset));
+        }
+
+        List<Asset> loadedAssetsType1 = new ArrayList<>();
+        TextPageLink pageLink = new TextPageLink(15);
+        TextPageData<Asset> pageData = null;
+        do {
+            pageData = assetService.findAssetsByTenantIdAndType(tenantId, type1, pageLink);
+            loadedAssetsType1.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assetsType1, idComparator);
+        Collections.sort(loadedAssetsType1, idComparator);
+
+        Assert.assertEquals(assetsType1, loadedAssetsType1);
+
+        List<Asset> loadedAssetsType2 = new ArrayList<>();
+        pageLink = new TextPageLink(4);
+        do {
+            pageData = assetService.findAssetsByTenantIdAndType(tenantId, type2, pageLink);
+            loadedAssetsType2.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assetsType2, idComparator);
+        Collections.sort(loadedAssetsType2, idComparator);
+
+        Assert.assertEquals(assetsType2, loadedAssetsType2);
+
+        for (Asset asset : loadedAssetsType1) {
+            assetService.deleteAsset(asset.getId());
+        }
+
+        pageLink = new TextPageLink(4);
+        pageData = assetService.findAssetsByTenantIdAndType(tenantId, type1, pageLink);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+
+        for (Asset asset : loadedAssetsType2) {
+            assetService.deleteAsset(asset.getId());
+        }
+
+        pageLink = new TextPageLink(4);
+        pageData = assetService.findAssetsByTenantIdAndType(tenantId, type2, pageLink);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+    }
+
+    @Test
+    public void testFindAssetsByTenantIdAndCustomerId() {
+        Tenant tenant = new Tenant();
+        tenant.setTitle("Test tenant");
+        tenant = tenantService.saveTenant(tenant);
+
+        TenantId tenantId = tenant.getId();
+
+        Customer customer = new Customer();
+        customer.setTitle("Test customer");
+        customer.setTenantId(tenantId);
+        customer = customerService.saveCustomer(customer);
+        CustomerId customerId = customer.getId();
+
+        List<Asset> assets = new ArrayList<>();
+        for (int i=0;i<278;i++) {
+            Asset asset = new Asset();
+            asset.setTenantId(tenantId);
+            asset.setName("Asset"+i);
+            asset.setType("default");
+            asset = assetService.saveAsset(asset);
+            assets.add(assetService.assignAssetToCustomer(asset.getId(), customerId));
+        }
+
+        List<Asset> loadedAssets = new ArrayList<>();
+        TextPageLink pageLink = new TextPageLink(23);
+        TextPageData<Asset> pageData = null;
+        do {
+            pageData = assetService.findAssetsByTenantIdAndCustomerId(tenantId, customerId, pageLink);
+            loadedAssets.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assets, idComparator);
+        Collections.sort(loadedAssets, idComparator);
+
+        Assert.assertEquals(assets, loadedAssets);
+
+        assetService.unassignCustomerAssets(tenantId, customerId);
+
+        pageLink = new TextPageLink(33);
+        pageData = assetService.findAssetsByTenantIdAndCustomerId(tenantId, customerId, pageLink);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertTrue(pageData.getData().isEmpty());
+
+        tenantService.deleteTenant(tenantId);
+    }
+
+    @Test
+    public void testFindAssetsByTenantIdCustomerIdAndName() {
+
+        Customer customer = new Customer();
+        customer.setTitle("Test customer");
+        customer.setTenantId(tenantId);
+        customer = customerService.saveCustomer(customer);
+        CustomerId customerId = customer.getId();
+
+        String title1 = "Asset title 1";
+        List<Asset> assetsTitle1 = new ArrayList<>();
+        for (int i=0;i<175;i++) {
+            Asset asset = new Asset();
+            asset.setTenantId(tenantId);
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title1+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            asset.setName(name);
+            asset.setType("default");
+            asset = assetService.saveAsset(asset);
+            assetsTitle1.add(assetService.assignAssetToCustomer(asset.getId(), customerId));
+        }
+        String title2 = "Asset title 2";
+        List<Asset> assetsTitle2 = new ArrayList<>();
+        for (int i=0;i<143;i++) {
+            Asset asset = new Asset();
+            asset.setTenantId(tenantId);
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title2+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            asset.setName(name);
+            asset.setType("default");
+            asset = assetService.saveAsset(asset);
+            assetsTitle2.add(assetService.assignAssetToCustomer(asset.getId(), customerId));
+        }
+
+        List<Asset> loadedAssetsTitle1 = new ArrayList<>();
+        TextPageLink pageLink = new TextPageLink(15, title1);
+        TextPageData<Asset> pageData = null;
+        do {
+            pageData = assetService.findAssetsByTenantIdAndCustomerId(tenantId, customerId, pageLink);
+            loadedAssetsTitle1.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assetsTitle1, idComparator);
+        Collections.sort(loadedAssetsTitle1, idComparator);
+
+        Assert.assertEquals(assetsTitle1, loadedAssetsTitle1);
+
+        List<Asset> loadedAssetsTitle2 = new ArrayList<>();
+        pageLink = new TextPageLink(4, title2);
+        do {
+            pageData = assetService.findAssetsByTenantIdAndCustomerId(tenantId, customerId, pageLink);
+            loadedAssetsTitle2.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assetsTitle2, idComparator);
+        Collections.sort(loadedAssetsTitle2, idComparator);
+
+        Assert.assertEquals(assetsTitle2, loadedAssetsTitle2);
+
+        for (Asset asset : loadedAssetsTitle1) {
+            assetService.deleteAsset(asset.getId());
+        }
+
+        pageLink = new TextPageLink(4, title1);
+        pageData = assetService.findAssetsByTenantIdAndCustomerId(tenantId, customerId, pageLink);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+
+        for (Asset asset : loadedAssetsTitle2) {
+            assetService.deleteAsset(asset.getId());
+        }
+
+        pageLink = new TextPageLink(4, title2);
+        pageData = assetService.findAssetsByTenantIdAndCustomerId(tenantId, customerId, pageLink);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+        customerService.deleteCustomer(customerId);
+    }
+
+    @Test
+    public void testFindAssetsByTenantIdCustomerIdAndType() {
+
+        Customer customer = new Customer();
+        customer.setTitle("Test customer");
+        customer.setTenantId(tenantId);
+        customer = customerService.saveCustomer(customer);
+        CustomerId customerId = customer.getId();
+
+        String title1 = "Asset title 1";
+        String type1 = "typeC";
+        List<Asset> assetsType1 = new ArrayList<>();
+        for (int i=0;i<175;i++) {
+            Asset asset = new Asset();
+            asset.setTenantId(tenantId);
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title1+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            asset.setName(name);
+            asset.setType(type1);
+            asset = assetService.saveAsset(asset);
+            assetsType1.add(assetService.assignAssetToCustomer(asset.getId(), customerId));
+        }
+        String title2 = "Asset title 2";
+        String type2 = "typeD";
+        List<Asset> assetsType2 = new ArrayList<>();
+        for (int i=0;i<143;i++) {
+            Asset asset = new Asset();
+            asset.setTenantId(tenantId);
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title2+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            asset.setName(name);
+            asset.setType(type2);
+            asset = assetService.saveAsset(asset);
+            assetsType2.add(assetService.assignAssetToCustomer(asset.getId(), customerId));
+        }
+
+        List<Asset> loadedAssetsType1 = new ArrayList<>();
+        TextPageLink pageLink = new TextPageLink(15);
+        TextPageData<Asset> pageData = null;
+        do {
+            pageData = assetService.findAssetsByTenantIdAndCustomerIdAndType(tenantId, customerId, type1, pageLink);
+            loadedAssetsType1.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assetsType1, idComparator);
+        Collections.sort(loadedAssetsType1, idComparator);
+
+        Assert.assertEquals(assetsType1, loadedAssetsType1);
+
+        List<Asset> loadedAssetsType2 = new ArrayList<>();
+        pageLink = new TextPageLink(4);
+        do {
+            pageData = assetService.findAssetsByTenantIdAndCustomerIdAndType(tenantId, customerId, type2, pageLink);
+            loadedAssetsType2.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(assetsType2, idComparator);
+        Collections.sort(loadedAssetsType2, idComparator);
+
+        Assert.assertEquals(assetsType2, loadedAssetsType2);
+
+        for (Asset asset : loadedAssetsType1) {
+            assetService.deleteAsset(asset.getId());
+        }
+
+        pageLink = new TextPageLink(4);
+        pageData = assetService.findAssetsByTenantIdAndCustomerIdAndType(tenantId, customerId, type1, pageLink);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+
+        for (Asset asset : loadedAssetsType2) {
+            assetService.deleteAsset(asset.getId());
+        }
+
+        pageLink = new TextPageLink(4);
+        pageData = assetService.findAssetsByTenantIdAndCustomerIdAndType(tenantId, customerId, type2, pageLink);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+        customerService.deleteCustomer(customerId);
+    }
+
+}

dao/src/test/java/org/thingsboard/server/dao/service/DeviceCredentialsServiceImplTest.java

@@ -58,6 +58,7 @@ public class DeviceCredentialsServiceImplTest extends AbstractServiceTest {
     public void testSaveDeviceCredentialsWithEmptyDevice() {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         device.setTenantId(tenantId);
         device = deviceService.saveDevice(device);
         DeviceCredentials deviceCredentials = deviceCredentialsService.findDeviceCredentialsByDeviceId(device.getId());
@@ -73,6 +74,7 @@ public class DeviceCredentialsServiceImplTest extends AbstractServiceTest {
     public void testSaveDeviceCredentialsWithEmptyCredentialsType() {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         device.setTenantId(tenantId);
         device = deviceService.saveDevice(device);
         DeviceCredentials deviceCredentials = deviceCredentialsService.findDeviceCredentialsByDeviceId(device.getId());
@@ -88,6 +90,7 @@ public class DeviceCredentialsServiceImplTest extends AbstractServiceTest {
     public void testSaveDeviceCredentialsWithEmptyCredentialsId() {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         device.setTenantId(tenantId);
         device = deviceService.saveDevice(device);
         DeviceCredentials deviceCredentials = deviceCredentialsService.findDeviceCredentialsByDeviceId(device.getId());
@@ -103,6 +106,7 @@ public class DeviceCredentialsServiceImplTest extends AbstractServiceTest {
     public void testSaveNonExistentDeviceCredentials() {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         device.setTenantId(tenantId);
         device = deviceService.saveDevice(device);
         DeviceCredentials deviceCredentials = deviceCredentialsService.findDeviceCredentialsByDeviceId(device.getId());
@@ -122,6 +126,7 @@ public class DeviceCredentialsServiceImplTest extends AbstractServiceTest {
     public void testSaveDeviceCredentialsWithNonExistentDevice() {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         device.setTenantId(tenantId);
         device = deviceService.saveDevice(device);
         DeviceCredentials deviceCredentials = deviceCredentialsService.findDeviceCredentialsByDeviceId(device.getId());
@@ -137,6 +142,7 @@ public class DeviceCredentialsServiceImplTest extends AbstractServiceTest {
     public void testSaveDeviceCredentialsWithInvalidCredemtialsIdLength() {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         device.setTenantId(tenantId);
         device = deviceService.saveDevice(device);
         DeviceCredentials deviceCredentials = deviceCredentialsService.findDeviceCredentialsByDeviceId(device.getId());
@@ -153,6 +159,7 @@ public class DeviceCredentialsServiceImplTest extends AbstractServiceTest {
         Device device = new Device();
         device.setTenantId(tenantId);
         device.setName("My device");
+        device.setType("default");
         Device savedDevice = deviceService.saveDevice(device);
         DeviceCredentials deviceCredentials = deviceCredentialsService.findDeviceCredentialsByDeviceId(savedDevice.getId());
         Assert.assertEquals(savedDevice.getId(), deviceCredentials.getDeviceId());
@@ -166,6 +173,7 @@ public class DeviceCredentialsServiceImplTest extends AbstractServiceTest {
         Device device = new Device();
         device.setTenantId(tenantId);
         device.setName("My device");
+        device.setType("default");
         Device savedDevice = deviceService.saveDevice(device);
         DeviceCredentials deviceCredentials = deviceCredentialsService.findDeviceCredentialsByDeviceId(savedDevice.getId());
         Assert.assertEquals(savedDevice.getId(), deviceCredentials.getDeviceId());
@@ -181,6 +189,7 @@ public class DeviceCredentialsServiceImplTest extends AbstractServiceTest {
         Device device = new Device();
         device.setTenantId(tenantId);
         device.setName("My device");
+        device.setType("default");
         Device savedDevice = deviceService.saveDevice(device);
         DeviceCredentials deviceCredentials = deviceCredentialsService.findDeviceCredentialsByDeviceId(savedDevice.getId());
         Assert.assertEquals(savedDevice.getId(), deviceCredentials.getDeviceId());

dao/src/test/java/org/thingsboard/server/dao/service/DeviceServiceImplTest.java

@@ -24,6 +24,7 @@ import org.junit.Test;
 import org.thingsboard.server.common.data.Customer;
 import org.thingsboard.server.common.data.Device;
 import org.thingsboard.server.common.data.Tenant;
+import org.thingsboard.server.common.data.TenantDeviceType;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.DeviceCredentialsId;
 import org.thingsboard.server.common.data.id.DeviceId;
@@ -37,6 +38,7 @@ import org.thingsboard.server.dao.exception.DataValidationException;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
+import java.util.concurrent.Executors;
 
 import static org.thingsboard.server.dao.model.ModelConstants.NULL_UUID;
 
@@ -65,6 +67,7 @@ public class DeviceServiceImplTest extends AbstractServiceTest {
         Device device = new Device();
         device.setTenantId(tenantId);
         device.setName("My device");
+        device.setType("default");
         Device savedDevice = deviceService.saveDevice(device);
         
         Assert.assertNotNull(savedDevice);
@@ -95,6 +98,7 @@ public class DeviceServiceImplTest extends AbstractServiceTest {
     @Test(expected = DataValidationException.class)
     public void testSaveDeviceWithEmptyName() {
         Device device = new Device();
+        device.setType("default");
         device.setTenantId(tenantId);
         deviceService.saveDevice(device);
     }
@@ -103,6 +107,7 @@ public class DeviceServiceImplTest extends AbstractServiceTest {
     public void testSaveDeviceWithEmptyTenant() {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         deviceService.saveDevice(device);
     }
     
@@ -110,6 +115,7 @@ public class DeviceServiceImplTest extends AbstractServiceTest {
     public void testSaveDeviceWithInvalidTenant() {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         device.setTenantId(new TenantId(UUIDs.timeBased()));
         deviceService.saveDevice(device);
     }
@@ -118,6 +124,7 @@ public class DeviceServiceImplTest extends AbstractServiceTest {
     public void testAssignDeviceToNonExistentCustomer() {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         device.setTenantId(tenantId);
         device = deviceService.saveDevice(device);
         try {
@@ -131,6 +138,7 @@ public class DeviceServiceImplTest extends AbstractServiceTest {
     public void testAssignDeviceToCustomerFromDifferentTenant() {
         Device device = new Device();
         device.setName("My device");
+        device.setType("default");
         device.setTenantId(tenantId);
         device = deviceService.saveDevice(device);
         Tenant tenant = new Tenant();
@@ -153,18 +161,56 @@ public class DeviceServiceImplTest extends AbstractServiceTest {
         Device device = new Device();
         device.setTenantId(tenantId);
         device.setName("My device");
+        device.setType("default");
         Device savedDevice = deviceService.saveDevice(device);
         Device foundDevice = deviceService.findDeviceById(savedDevice.getId());
         Assert.assertNotNull(foundDevice);
         Assert.assertEquals(savedDevice, foundDevice);
         deviceService.deleteDevice(savedDevice.getId());
     }
+
+    @Test
+    public void testFindDeviceTypesByTenantId() throws Exception {
+        List<Device> devices = new ArrayList<>();
+        try {
+            for (int i=0;i<3;i++) {
+                Device device = new Device();
+                device.setTenantId(tenantId);
+                device.setName("My device B"+i);
+                device.setType("typeB");
+                devices.add(deviceService.saveDevice(device));
+            }
+            for (int i=0;i<7;i++) {
+                Device device = new Device();
+                device.setTenantId(tenantId);
+                device.setName("My device C"+i);
+                device.setType("typeC");
+                devices.add(deviceService.saveDevice(device));
+            }
+            for (int i=0;i<9;i++) {
+                Device device = new Device();
+                device.setTenantId(tenantId);
+                device.setName("My device A"+i);
+                device.setType("typeA");
+                devices.add(deviceService.saveDevice(device));
+            }
+            List<TenantDeviceType> deviceTypes = deviceService.findDeviceTypesByTenantId(tenantId).get();
+            Assert.assertNotNull(deviceTypes);
+            Assert.assertEquals(3, deviceTypes.size());
+            Assert.assertEquals("typeA", deviceTypes.get(0).getType());
+            Assert.assertEquals("typeB", deviceTypes.get(1).getType());
+            Assert.assertEquals("typeC", deviceTypes.get(2).getType());
+        } finally {
+            devices.forEach((device) -> { deviceService.deleteDevice(device.getId()); });
+        }
+    }
     
     @Test
     public void testDeleteDevice() {
         Device device = new Device();
         device.setTenantId(tenantId);
         device.setName("My device");
+        device.setType("default");
         Device savedDevice = deviceService.saveDevice(device);
         Device foundDevice = deviceService.findDeviceById(savedDevice.getId());
         Assert.assertNotNull(foundDevice);
@@ -188,6 +234,7 @@ public class DeviceServiceImplTest extends AbstractServiceTest {
             Device device = new Device();
             device.setTenantId(tenantId);
             device.setName("Device"+i);
+            device.setType("default");
             devices.add(deviceService.saveDevice(device));
         }
         
@@ -216,7 +263,7 @@ public class DeviceServiceImplTest extends AbstractServiceTest {
         
         tenantService.deleteTenant(tenantId);
     }
-    
+
     @Test
     public void testFindDevicesByTenantIdAndName() {
         String title1 = "Device title 1";
@@ -228,6 +275,7 @@ public class DeviceServiceImplTest extends AbstractServiceTest {
             String name = title1+suffix;
             name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
             device.setName(name);
+            device.setType("default");
             devicesTitle1.add(deviceService.saveDevice(device));
         }
         String title2 = "Device title 2";
@@ -239,6 +287,7 @@ public class DeviceServiceImplTest extends AbstractServiceTest {
             String name = title2+suffix;
             name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
             device.setName(name);
+            device.setType("default");
             devicesTitle2.add(deviceService.saveDevice(device));
         }
         
@@ -291,6 +340,85 @@ public class DeviceServiceImplTest extends AbstractServiceTest {
         Assert.assertFalse(pageData.hasNext());
         Assert.assertEquals(0, pageData.getData().size());
     }
+
+    @Test
+    public void testFindDevicesByTenantIdAndType() {
+        String title1 = "Device title 1";
+        String type1 = "typeA";
+        List<Device> devicesType1 = new ArrayList<>();
+        for (int i=0;i<143;i++) {
+            Device device = new Device();
+            device.setTenantId(tenantId);
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title1+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            device.setName(name);
+            device.setType(type1);
+            devicesType1.add(deviceService.saveDevice(device));
+        }
+        String title2 = "Device title 2";
+        String type2 = "typeB";
+        List<Device> devicesType2 = new ArrayList<>();
+        for (int i=0;i<175;i++) {
+            Device device = new Device();
+            device.setTenantId(tenantId);
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title2+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            device.setName(name);
+            device.setType(type2);
+            devicesType2.add(deviceService.saveDevice(device));
+        }
+
+        List<Device> loadedDevicesType1 = new ArrayList<>();
+        TextPageLink pageLink = new TextPageLink(15);
+        TextPageData<Device> pageData = null;
+        do {
+            pageData = deviceService.findDevicesByTenantIdAndType(tenantId, type1, pageLink);
+            loadedDevicesType1.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(devicesType1, idComparator);
+        Collections.sort(loadedDevicesType1, idComparator);
+
+        Assert.assertEquals(devicesType1, loadedDevicesType1);
+
+        List<Device> loadedDevicesType2 = new ArrayList<>();
+        pageLink = new TextPageLink(4);
+        do {
+            pageData = deviceService.findDevicesByTenantIdAndType(tenantId, type2, pageLink);
+            loadedDevicesType2.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(devicesType2, idComparator);
+        Collections.sort(loadedDevicesType2, idComparator);
+
+        Assert.assertEquals(devicesType2, loadedDevicesType2);
+
+        for (Device device : loadedDevicesType1) {
+            deviceService.deleteDevice(device.getId());
+        }
+
+        pageLink = new TextPageLink(4);
+        pageData = deviceService.findDevicesByTenantIdAndType(tenantId, type1, pageLink);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+
+        for (Device device : loadedDevicesType2) {
+            deviceService.deleteDevice(device.getId());
+        }
+
+        pageLink = new TextPageLink(4);
+        pageData = deviceService.findDevicesByTenantIdAndType(tenantId, type2, pageLink);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+    }
     
     @Test
     public void testFindDevicesByTenantIdAndCustomerId() {
@@ -311,6 +439,7 @@ public class DeviceServiceImplTest extends AbstractServiceTest {
             Device device = new Device();
             device.setTenantId(tenantId);
             device.setName("Device"+i);
+            device.setType("default");
             device = deviceService.saveDevice(device);
             devices.add(deviceService.assignDeviceToCustomer(device.getId(), customerId));
         }
@@ -359,6 +488,7 @@ public class DeviceServiceImplTest extends AbstractServiceTest {
             String name = title1+suffix;
             name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
             device.setName(name);
+            device.setType("default");
             device = deviceService.saveDevice(device);
             devicesTitle1.add(deviceService.assignDeviceToCustomer(device.getId(), customerId));
         }
@@ -371,6 +501,7 @@ public class DeviceServiceImplTest extends AbstractServiceTest {
             String name = title2+suffix;
             name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
             device.setName(name);
+            device.setType("default");
             device = deviceService.saveDevice(device);
             devicesTitle2.add(deviceService.assignDeviceToCustomer(device.getId(), customerId));
         }
@@ -425,4 +556,94 @@ public class DeviceServiceImplTest extends AbstractServiceTest {
         Assert.assertEquals(0, pageData.getData().size());
         customerService.deleteCustomer(customerId);
     }
+
+    @Test
+    public void testFindDevicesByTenantIdCustomerIdAndType() {
+
+        Customer customer = new Customer();
+        customer.setTitle("Test customer");
+        customer.setTenantId(tenantId);
+        customer = customerService.saveCustomer(customer);
+        CustomerId customerId = customer.getId();
+
+        String title1 = "Device title 1";
+        String type1 = "typeC";
+        List<Device> devicesType1 = new ArrayList<>();
+        for (int i=0;i<175;i++) {
+            Device device = new Device();
+            device.setTenantId(tenantId);
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title1+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            device.setName(name);
+            device.setType(type1);
+            device = deviceService.saveDevice(device);
+            devicesType1.add(deviceService.assignDeviceToCustomer(device.getId(), customerId));
+        }
+        String title2 = "Device title 2";
+        String type2 = "typeD";
+        List<Device> devicesType2 = new ArrayList<>();
+        for (int i=0;i<143;i++) {
+            Device device = new Device();
+            device.setTenantId(tenantId);
+            String suffix = RandomStringUtils.randomAlphanumeric(15);
+            String name = title2+suffix;
+            name = i % 2 == 0 ? name.toLowerCase() : name.toUpperCase();
+            device.setName(name);
+            device.setType(type2);
+            device = deviceService.saveDevice(device);
+            devicesType2.add(deviceService.assignDeviceToCustomer(device.getId(), customerId));
+        }
+
+        List<Device> loadedDevicesType1 = new ArrayList<>();
+        TextPageLink pageLink = new TextPageLink(15);
+        TextPageData<Device> pageData = null;
+        do {
+            pageData = deviceService.findDevicesByTenantIdAndCustomerIdAndType(tenantId, customerId, type1, pageLink);
+            loadedDevicesType1.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(devicesType1, idComparator);
+        Collections.sort(loadedDevicesType1, idComparator);
+
+        Assert.assertEquals(devicesType1, loadedDevicesType1);
+
+        List<Device> loadedDevicesType2 = new ArrayList<>();
+        pageLink = new TextPageLink(4);
+        do {
+            pageData = deviceService.findDevicesByTenantIdAndCustomerIdAndType(tenantId, customerId, type2, pageLink);
+            loadedDevicesType2.addAll(pageData.getData());
+            if (pageData.hasNext()) {
+                pageLink = pageData.getNextPageLink();
+            }
+        } while (pageData.hasNext());
+
+        Collections.sort(devicesType2, idComparator);
+        Collections.sort(loadedDevicesType2, idComparator);
+
+        Assert.assertEquals(devicesType2, loadedDevicesType2);
+
+        for (Device device : loadedDevicesType1) {
+            deviceService.deleteDevice(device.getId());
+        }
+
+        pageLink = new TextPageLink(4);
+        pageData = deviceService.findDevicesByTenantIdAndCustomerIdAndType(tenantId, customerId, type1, pageLink);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+
+        for (Device device : loadedDevicesType2) {
+            deviceService.deleteDevice(device.getId());
+        }
+
+        pageLink = new TextPageLink(4);
+        pageData = deviceService.findDevicesByTenantIdAndCustomerIdAndType(tenantId, customerId, type2, pageLink);
+        Assert.assertFalse(pageData.hasNext());
+        Assert.assertEquals(0, pageData.getData().size());
+        customerService.deleteCustomer(customerId);
+    }
+
 }

dao/src/test/java/org/thingsboard/server/dao/service/RelationServiceImplTest.java

@@ -26,6 +26,7 @@ import org.thingsboard.server.common.data.asset.Asset;
 import org.thingsboard.server.common.data.id.AssetId;
 import org.thingsboard.server.common.data.id.DeviceId;
 import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.common.data.relation.RelationTypeGroup;
 import org.thingsboard.server.dao.exception.DataValidationException;
 import org.thingsboard.server.dao.relation.EntityRelationsQuery;
 import org.thingsboard.server.dao.relation.EntitySearchDirection;
@@ -55,13 +56,13 @@ public class RelationServiceImplTest extends AbstractServiceTest {
 
         Assert.assertTrue(saveRelation(relation));
 
-        Assert.assertTrue(relationService.checkRelation(parentId, childId, EntityRelation.CONTAINS_TYPE).get());
+        Assert.assertTrue(relationService.checkRelation(parentId, childId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get());
 
-        Assert.assertFalse(relationService.checkRelation(parentId, childId, "NOT_EXISTING_TYPE").get());
+        Assert.assertFalse(relationService.checkRelation(parentId, childId, "NOT_EXISTING_TYPE", RelationTypeGroup.COMMON).get());
 
-        Assert.assertFalse(relationService.checkRelation(childId, parentId, EntityRelation.CONTAINS_TYPE).get());
+        Assert.assertFalse(relationService.checkRelation(childId, parentId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get());
 
-        Assert.assertFalse(relationService.checkRelation(childId, parentId, "NOT_EXISTING_TYPE").get());
+        Assert.assertFalse(relationService.checkRelation(childId, parentId, "NOT_EXISTING_TYPE", RelationTypeGroup.COMMON).get());
     }
 
     @Test
@@ -78,11 +79,11 @@ public class RelationServiceImplTest extends AbstractServiceTest {
 
         Assert.assertTrue(relationService.deleteRelation(relationA).get());
 
-        Assert.assertFalse(relationService.checkRelation(parentId, childId, EntityRelation.CONTAINS_TYPE).get());
+        Assert.assertFalse(relationService.checkRelation(parentId, childId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get());
 
-        Assert.assertTrue(relationService.checkRelation(childId, subChildId, EntityRelation.CONTAINS_TYPE).get());
+        Assert.assertTrue(relationService.checkRelation(childId, subChildId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get());
 
-        Assert.assertTrue(relationService.deleteRelation(childId, subChildId, EntityRelation.CONTAINS_TYPE).get());
+        Assert.assertTrue(relationService.deleteRelation(childId, subChildId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get());
     }
 
     @Test
@@ -99,9 +100,9 @@ public class RelationServiceImplTest extends AbstractServiceTest {
 
         Assert.assertTrue(relationService.deleteEntityRelations(childId).get());
 
-        Assert.assertFalse(relationService.checkRelation(parentId, childId, EntityRelation.CONTAINS_TYPE).get());
+        Assert.assertFalse(relationService.checkRelation(parentId, childId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get());
 
-        Assert.assertFalse(relationService.checkRelation(childId, subChildId, EntityRelation.CONTAINS_TYPE).get());
+        Assert.assertFalse(relationService.checkRelation(childId, subChildId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get());
     }
 
     @Test
@@ -123,7 +124,7 @@ public class RelationServiceImplTest extends AbstractServiceTest {
         saveRelation(relationB1);
         saveRelation(relationB2);
 
-        List<EntityRelation> relations = relationService.findByFrom(parentA).get();
+        List<EntityRelation> relations = relationService.findByFrom(parentA, RelationTypeGroup.COMMON).get();
         Assert.assertEquals(2, relations.size());
         for (EntityRelation relation : relations) {
             Assert.assertEquals(EntityRelation.CONTAINS_TYPE, relation.getType());
@@ -131,13 +132,13 @@ public class RelationServiceImplTest extends AbstractServiceTest {
             Assert.assertTrue(childA.equals(relation.getTo()) || childB.equals(relation.getTo()));
         }
 
-        relations = relationService.findByFromAndType(parentA, EntityRelation.CONTAINS_TYPE).get();
+        relations = relationService.findByFromAndType(parentA, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get();
         Assert.assertEquals(2, relations.size());
 
-        relations = relationService.findByFromAndType(parentA, EntityRelation.MANAGES_TYPE).get();
+        relations = relationService.findByFromAndType(parentA, EntityRelation.MANAGES_TYPE, RelationTypeGroup.COMMON).get();
         Assert.assertEquals(0, relations.size());
 
-        relations = relationService.findByFrom(parentB).get();
+        relations = relationService.findByFrom(parentB, RelationTypeGroup.COMMON).get();
         Assert.assertEquals(2, relations.size());
         for (EntityRelation relation : relations) {
             Assert.assertEquals(EntityRelation.MANAGES_TYPE, relation.getType());
@@ -145,10 +146,10 @@ public class RelationServiceImplTest extends AbstractServiceTest {
             Assert.assertTrue(childA.equals(relation.getTo()) || childB.equals(relation.getTo()));
         }
 
-        relations = relationService.findByFromAndType(parentB, EntityRelation.CONTAINS_TYPE).get();
+        relations = relationService.findByFromAndType(parentB, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get();
         Assert.assertEquals(0, relations.size());
 
-        relations = relationService.findByFromAndType(parentB, EntityRelation.CONTAINS_TYPE).get();
+        relations = relationService.findByFromAndType(parentB, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get();
         Assert.assertEquals(0, relations.size());
     }
 
@@ -178,26 +179,26 @@ public class RelationServiceImplTest extends AbstractServiceTest {
         // Data propagation to views is async
         Thread.sleep(3000);
 
-        List<EntityRelation> relations = relationService.findByTo(childA).get();
+        List<EntityRelation> relations = relationService.findByTo(childA, RelationTypeGroup.COMMON).get();
         Assert.assertEquals(2, relations.size());
         for (EntityRelation relation : relations) {
             Assert.assertEquals(childA, relation.getTo());
             Assert.assertTrue(parentA.equals(relation.getFrom()) || parentB.equals(relation.getFrom()));
         }
 
-        relations = relationService.findByToAndType(childA, EntityRelation.CONTAINS_TYPE).get();
+        relations = relationService.findByToAndType(childA, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get();
         Assert.assertEquals(1, relations.size());
 
-        relations = relationService.findByToAndType(childB, EntityRelation.MANAGES_TYPE).get();
+        relations = relationService.findByToAndType(childB, EntityRelation.MANAGES_TYPE, RelationTypeGroup.COMMON).get();
         Assert.assertEquals(1, relations.size());
 
-        relations = relationService.findByToAndType(parentA, EntityRelation.MANAGES_TYPE).get();
+        relations = relationService.findByToAndType(parentA, EntityRelation.MANAGES_TYPE, RelationTypeGroup.COMMON).get();
         Assert.assertEquals(0, relations.size());
 
-        relations = relationService.findByToAndType(parentB, EntityRelation.MANAGES_TYPE).get();
+        relations = relationService.findByToAndType(parentB, EntityRelation.MANAGES_TYPE, RelationTypeGroup.COMMON).get();
         Assert.assertEquals(0, relations.size());
 
-        relations = relationService.findByTo(childB).get();
+        relations = relationService.findByTo(childB, RelationTypeGroup.COMMON).get();
         Assert.assertEquals(2, relations.size());
         for (EntityRelation relation : relations) {
             Assert.assertEquals(childB, relation.getTo());

dao/src/test/java/org/thingsboard/server/dao/service/RelationServiceTest.java

@@ -0,0 +1,284 @@
+/**
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.thingsboard.server.dao.service;
+
+import com.datastax.driver.core.utils.UUIDs;
+import com.google.common.util.concurrent.ListenableFuture;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.asset.Asset;
+import org.thingsboard.server.common.data.id.AssetId;
+import org.thingsboard.server.common.data.id.DeviceId;
+import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.common.data.relation.RelationTypeGroup;
+import org.thingsboard.server.dao.exception.DataValidationException;
+import org.thingsboard.server.dao.relation.EntityRelationsQuery;
+import org.thingsboard.server.dao.relation.EntitySearchDirection;
+import org.thingsboard.server.dao.relation.EntityTypeFilter;
+import org.thingsboard.server.dao.relation.RelationsSearchParameters;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+
+public class RelationServiceTest extends AbstractServiceTest {
+
+    @Before
+    public void before() {
+    }
+
+    @After
+    public void after() {
+    }
+
+    @Test
+    public void testSaveRelation() throws ExecutionException, InterruptedException {
+        AssetId parentId = new AssetId(UUIDs.timeBased());
+        AssetId childId = new AssetId(UUIDs.timeBased());
+
+        EntityRelation relation = new EntityRelation(parentId, childId, EntityRelation.CONTAINS_TYPE);
+
+        Assert.assertTrue(saveRelation(relation));
+
+        Assert.assertTrue(relationService.checkRelation(parentId, childId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get());
+
+        Assert.assertFalse(relationService.checkRelation(parentId, childId, "NOT_EXISTING_TYPE", RelationTypeGroup.COMMON).get());
+
+        Assert.assertFalse(relationService.checkRelation(childId, parentId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get());
+
+        Assert.assertFalse(relationService.checkRelation(childId, parentId, "NOT_EXISTING_TYPE", RelationTypeGroup.COMMON).get());
+    }
+
+    @Test
+    public void testDeleteRelation() throws ExecutionException, InterruptedException {
+        AssetId parentId = new AssetId(UUIDs.timeBased());
+        AssetId childId = new AssetId(UUIDs.timeBased());
+        AssetId subChildId = new AssetId(UUIDs.timeBased());
+
+        EntityRelation relationA = new EntityRelation(parentId, childId, EntityRelation.CONTAINS_TYPE);
+        EntityRelation relationB = new EntityRelation(childId, subChildId, EntityRelation.CONTAINS_TYPE);
+
+        saveRelation(relationA);
+        saveRelation(relationB);
+
+        Assert.assertTrue(relationService.deleteRelation(relationA).get());
+
+        Assert.assertFalse(relationService.checkRelation(parentId, childId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get());
+
+        Assert.assertTrue(relationService.checkRelation(childId, subChildId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get());
+
+        Assert.assertTrue(relationService.deleteRelation(childId, subChildId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get());
+    }
+
+    @Test
+    public void testDeleteEntityRelations() throws ExecutionException, InterruptedException {
+        AssetId parentId = new AssetId(UUIDs.timeBased());
+        AssetId childId = new AssetId(UUIDs.timeBased());
+        AssetId subChildId = new AssetId(UUIDs.timeBased());
+
+        EntityRelation relationA = new EntityRelation(parentId, childId, EntityRelation.CONTAINS_TYPE);
+        EntityRelation relationB = new EntityRelation(childId, subChildId, EntityRelation.CONTAINS_TYPE);
+
+        saveRelation(relationA);
+        saveRelation(relationB);
+
+        Assert.assertTrue(relationService.deleteEntityRelations(childId).get());
+
+        Assert.assertFalse(relationService.checkRelation(parentId, childId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get());
+
+        Assert.assertFalse(relationService.checkRelation(childId, subChildId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get());
+    }
+
+    @Test
+    public void testFindFrom() throws ExecutionException, InterruptedException {
+        AssetId parentA = new AssetId(UUIDs.timeBased());
+        AssetId parentB = new AssetId(UUIDs.timeBased());
+        AssetId childA = new AssetId(UUIDs.timeBased());
+        AssetId childB = new AssetId(UUIDs.timeBased());
+
+        EntityRelation relationA1 = new EntityRelation(parentA, childA, EntityRelation.CONTAINS_TYPE);
+        EntityRelation relationA2 = new EntityRelation(parentA, childB, EntityRelation.CONTAINS_TYPE);
+
+        EntityRelation relationB1 = new EntityRelation(parentB, childA, EntityRelation.MANAGES_TYPE);
+        EntityRelation relationB2 = new EntityRelation(parentB, childB, EntityRelation.MANAGES_TYPE);
+
+        saveRelation(relationA1);
+        saveRelation(relationA2);
+
+        saveRelation(relationB1);
+        saveRelation(relationB2);
+
+        List<EntityRelation> relations = relationService.findByFrom(parentA, RelationTypeGroup.COMMON).get();
+        Assert.assertEquals(2, relations.size());
+        for (EntityRelation relation : relations) {
+            Assert.assertEquals(EntityRelation.CONTAINS_TYPE, relation.getType());
+            Assert.assertEquals(parentA, relation.getFrom());
+            Assert.assertTrue(childA.equals(relation.getTo()) || childB.equals(relation.getTo()));
+        }
+
+        relations = relationService.findByFromAndType(parentA, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get();
+        Assert.assertEquals(2, relations.size());
+
+        relations = relationService.findByFromAndType(parentA, EntityRelation.MANAGES_TYPE, RelationTypeGroup.COMMON).get();
+        Assert.assertEquals(0, relations.size());
+
+        relations = relationService.findByFrom(parentB, RelationTypeGroup.COMMON).get();
+        Assert.assertEquals(2, relations.size());
+        for (EntityRelation relation : relations) {
+            Assert.assertEquals(EntityRelation.MANAGES_TYPE, relation.getType());
+            Assert.assertEquals(parentB, relation.getFrom());
+            Assert.assertTrue(childA.equals(relation.getTo()) || childB.equals(relation.getTo()));
+        }
+
+        relations = relationService.findByFromAndType(parentB, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get();
+        Assert.assertEquals(0, relations.size());
+
+        relations = relationService.findByFromAndType(parentB, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get();
+        Assert.assertEquals(0, relations.size());
+    }
+
+    private Boolean saveRelation(EntityRelation relationA1) throws ExecutionException, InterruptedException {
+        return relationService.saveRelation(relationA1).get();
+    }
+
+    @Test
+    public void testFindTo() throws ExecutionException, InterruptedException {
+        AssetId parentA = new AssetId(UUIDs.timeBased());
+        AssetId parentB = new AssetId(UUIDs.timeBased());
+        AssetId childA = new AssetId(UUIDs.timeBased());
+        AssetId childB = new AssetId(UUIDs.timeBased());
+
+        EntityRelation relationA1 = new EntityRelation(parentA, childA, EntityRelation.CONTAINS_TYPE);
+        EntityRelation relationA2 = new EntityRelation(parentA, childB, EntityRelation.CONTAINS_TYPE);
+
+        EntityRelation relationB1 = new EntityRelation(parentB, childA, EntityRelation.MANAGES_TYPE);
+        EntityRelation relationB2 = new EntityRelation(parentB, childB, EntityRelation.MANAGES_TYPE);
+
+        saveRelation(relationA1);
+        saveRelation(relationA2);
+
+        saveRelation(relationB1);
+        saveRelation(relationB2);
+
+        // Data propagation to views is async
+        Thread.sleep(3000);
+
+        List<EntityRelation> relations = relationService.findByTo(childA, RelationTypeGroup.COMMON).get();
+        Assert.assertEquals(2, relations.size());
+        for (EntityRelation relation : relations) {
+            Assert.assertEquals(childA, relation.getTo());
+            Assert.assertTrue(parentA.equals(relation.getFrom()) || parentB.equals(relation.getFrom()));
+        }
+
+        relations = relationService.findByToAndType(childA, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON).get();
+        Assert.assertEquals(1, relations.size());
+
+        relations = relationService.findByToAndType(childB, EntityRelation.MANAGES_TYPE, RelationTypeGroup.COMMON).get();
+        Assert.assertEquals(1, relations.size());
+
+        relations = relationService.findByToAndType(parentA, EntityRelation.MANAGES_TYPE, RelationTypeGroup.COMMON).get();
+        Assert.assertEquals(0, relations.size());
+
+        relations = relationService.findByToAndType(parentB, EntityRelation.MANAGES_TYPE, RelationTypeGroup.COMMON).get();
+        Assert.assertEquals(0, relations.size());
+
+        relations = relationService.findByTo(childB, RelationTypeGroup.COMMON).get();
+        Assert.assertEquals(2, relations.size());
+        for (EntityRelation relation : relations) {
+            Assert.assertEquals(childB, relation.getTo());
+            Assert.assertTrue(parentA.equals(relation.getFrom()) || parentB.equals(relation.getFrom()));
+        }
+    }
+
+    @Test
+    public void testCyclicRecursiveRelation() throws ExecutionException, InterruptedException {
+        // A -> B -> C -> A
+        AssetId assetA = new AssetId(UUIDs.timeBased());
+        AssetId assetB = new AssetId(UUIDs.timeBased());
+        AssetId assetC = new AssetId(UUIDs.timeBased());
+
+        EntityRelation relationA = new EntityRelation(assetA, assetB, EntityRelation.CONTAINS_TYPE);
+        EntityRelation relationB = new EntityRelation(assetB, assetC, EntityRelation.CONTAINS_TYPE);
+        EntityRelation relationC = new EntityRelation(assetC, assetA, EntityRelation.CONTAINS_TYPE);
+
+        saveRelation(relationA);
+        saveRelation(relationB);
+        saveRelation(relationC);
+
+        EntityRelationsQuery query = new EntityRelationsQuery();
+        query.setParameters(new RelationsSearchParameters(assetA, EntitySearchDirection.FROM, -1));
+        query.setFilters(Collections.singletonList(new EntityTypeFilter(EntityRelation.CONTAINS_TYPE, Collections.singletonList(EntityType.ASSET))));
+        List<EntityRelation> relations = relationService.findByQuery(query).get();
+        Assert.assertEquals(3, relations.size());
+        Assert.assertTrue(relations.contains(relationA));
+        Assert.assertTrue(relations.contains(relationB));
+        Assert.assertTrue(relations.contains(relationC));
+    }
+
+    @Test
+    public void testRecursiveRelation() throws ExecutionException, InterruptedException {
+        // A -> B -> [C,D]
+        AssetId assetA = new AssetId(UUIDs.timeBased());
+        AssetId assetB = new AssetId(UUIDs.timeBased());
+        AssetId assetC = new AssetId(UUIDs.timeBased());
+        DeviceId deviceD = new DeviceId(UUIDs.timeBased());
+
+        EntityRelation relationAB = new EntityRelation(assetA, assetB, EntityRelation.CONTAINS_TYPE);
+        EntityRelation relationBC = new EntityRelation(assetB, assetC, EntityRelation.CONTAINS_TYPE);
+        EntityRelation relationBD = new EntityRelation(assetB, deviceD, EntityRelation.CONTAINS_TYPE);
+
+
+        saveRelation(relationAB);
+        saveRelation(relationBC);
+        saveRelation(relationBD);
+
+        EntityRelationsQuery query = new EntityRelationsQuery();
+        query.setParameters(new RelationsSearchParameters(assetA, EntitySearchDirection.FROM, -1));
+        query.setFilters(Collections.singletonList(new EntityTypeFilter(EntityRelation.CONTAINS_TYPE, Collections.singletonList(EntityType.ASSET))));
+        List<EntityRelation> relations = relationService.findByQuery(query).get();
+        Assert.assertEquals(2, relations.size());
+        Assert.assertTrue(relations.contains(relationAB));
+        Assert.assertTrue(relations.contains(relationBC));
+    }
+
+
+    @Test(expected = DataValidationException.class)
+    public void testSaveRelationWithEmptyFrom() throws ExecutionException, InterruptedException {
+        EntityRelation relation = new EntityRelation();
+        relation.setTo(new AssetId(UUIDs.timeBased()));
+        relation.setType(EntityRelation.CONTAINS_TYPE);
+        Assert.assertTrue(saveRelation(relation));
+    }
+
+    @Test(expected = DataValidationException.class)
+    public void testSaveRelationWithEmptyTo() throws ExecutionException, InterruptedException {
+        EntityRelation relation = new EntityRelation();
+        relation.setFrom(new AssetId(UUIDs.timeBased()));
+        relation.setType(EntityRelation.CONTAINS_TYPE);
+        Assert.assertTrue(saveRelation(relation));
+    }
+
+    @Test(expected = DataValidationException.class)
+    public void testSaveRelationWithEmptyType() throws ExecutionException, InterruptedException {
+        EntityRelation relation = new EntityRelation();
+        relation.setFrom(new AssetId(UUIDs.timeBased()));
+        relation.setTo(new AssetId(UUIDs.timeBased()));
+        Assert.assertTrue(saveRelation(relation));
+    }
+}

docker/.env

@@ -1 +1,7 @@
 CASSANDRA_DATA_DIR=/home/docker/cassandra_volume
+
+# cassandra schema container environment variables
+CREATE_SCHEMA=true
+ADD_SYSTEM_DATA=false
+ADD_DEMO_DATA=false
+CASSANDRA_URL=cassandra

docker/docker-compose.random.yml → docker/cassandra/Dockerfile

@@ -14,13 +14,10 @@
 # limitations under the License.
 #
 
-version: '2'
+FROM cassandra:3.9
 
-services:
-  db:
-    ports:
-      - "9042"
-      - "9160"
-  zk:
-    ports:
-      - "2181"
+ADD ready-probe.sh /ready-probe.sh
+
+RUN chmod +x /ready-probe.sh
+
+CMD ["cassandra", "-f"]

docker/cassandra/Makefile

@@ -0,0 +1,10 @@
+VERSION=1.2.4
+PROJECT=thingsboard
+APP=cassandra
+
+build:
+	docker build --pull -t ${PROJECT}/${APP}:${VERSION} -t ${PROJECT}/${APP}:latest .
+
+push: build
+	docker push ${PROJECT}/${APP}:${VERSION}
+    docker push ${PROJECT}/${APP}:latest

docker/cassandra/cassandra.yaml

@@ -0,0 +1,132 @@
+#
+# Copyright © 2016-2017 The Thingsboard Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+apiVersion: v1
+kind: Service
+metadata:
+  name: cassandra-headless
+  labels:
+    app: cassandra-headless
+spec:
+  ports:
+    - port: 9042
+      name: cql
+  clusterIP: None
+  selector:
+    app: cassandra
+---
+apiVersion: "apps/v1beta1"
+kind: StatefulSet
+metadata:
+  name: cassandra
+spec:
+  serviceName: cassandra-headless
+  replicas: 2
+  template:
+    metadata:
+      labels:
+        app: cassandra
+    spec:
+      nodeSelector:
+        machinetype: other
+      affinity:
+        podAntiAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            - labelSelector:
+                matchExpressions:
+                  - key: "app"
+                    operator: In
+                    values:
+                    - cassandra-headless
+              topologyKey: "kubernetes.io/hostname"
+      containers:
+      - name: cassandra
+        image: thingsboard/cassandra:1.2.4
+        imagePullPolicy: Always
+        ports:
+        - containerPort: 7000
+          name: intra-node
+        - containerPort: 7001
+          name: tls-intra-node
+        - containerPort: 7199
+          name: jmx
+        - containerPort: 9042
+          name: cql
+        - containerPort: 9160
+          name: thrift
+        securityContext:
+          capabilities:
+            add:
+              - IPC_LOCK
+        lifecycle:
+          preStop:
+            exec:
+              command: ["/bin/sh", "-c", "PID=$(pidof java) && kill $PID && while ps -p $PID > /dev/null; do sleep 1; done"]
+        env:
+          - name: MAX_HEAP_SIZE
+            value: 2048M
+          - name: HEAP_NEWSIZE
+            value: 100M
+          - name: CASSANDRA_SEEDS
+            value: "cassandra-0.cassandra-headless.default.svc.cluster.local"
+          - name: CASSANDRA_CLUSTER_NAME
+            value: "Thingsboard-Cluster"
+          - name: CASSANDRA_DC
+            value: "DC1-Thingsboard-Cluster"
+          - name: CASSANDRA_RACK
+            value: "Rack-Thingsboard-Cluster"
+          - name: CASSANDRA_AUTO_BOOTSTRAP
+            value: "false"
+          - name: POD_IP
+            valueFrom:
+              fieldRef:
+                fieldPath: status.podIP
+          - name: POD_NAMESPACE
+            valueFrom:
+              fieldRef:
+                fieldPath: metadata.namespace
+        readinessProbe:
+          exec:
+            command:
+            - /bin/bash
+            - -c
+            - /ready-probe.sh
+          initialDelaySeconds: 15
+          timeoutSeconds: 5
+        volumeMounts:
+        - name: cassandra-data
+          mountPath: /var/lib/cassandra/data
+        - name: cassandra-commitlog
+          mountPath: /var/lib/cassandra/commitlog
+  volumeClaimTemplates:
+  - metadata:
+      name: cassandra-data
+      annotations:
+        volume.beta.kubernetes.io/storage-class: fast
+    spec:
+      accessModes: [ "ReadWriteOnce" ]
+      resources:
+        requests:
+          storage: 3Gi
+  - metadata:
+      name: cassandra-commitlog
+      annotations:
+        volume.beta.kubernetes.io/storage-class: fast
+    spec:
+      accessModes: [ "ReadWriteOnce" ]
+      resources:
+        requests:
+          storage: 2Gi

docker/thingsboard/build_and_deploy.sh → docker/cassandra/ready-probe.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright © 2016-2017 The Thingsboard Authors
 #
@@ -15,12 +15,14 @@
 # limitations under the License.
 #
 
-
-cp ../../application/target/thingsboard.deb thingsboard.deb
-
-docker build -t thingsboard/application:1.2.3 -t thingsboard/application:latest .
-
-docker login
-
-docker push thingsboard/application:1.2.3
-docker push thingsboard/application:latest
+if [[ $(nodetool status | grep $POD_IP) == *"UN"* ]]; then
+  if [[ $DEBUG ]]; then
+    echo "UN";
+  fi
+  exit 0;
+else
+  if [[ $DEBUG ]]; then
+    echo "Not Up";
+  fi
+  exit 1;
+fi

docker/deploy.sh → docker/common/common.yaml

@@ -1,4 +1,3 @@
-#!/bin/bash
 #
 # Copyright © 2016-2017 The Thingsboard Authors
 #
@@ -15,17 +14,20 @@
 # limitations under the License.
 #
 
-
-command='docker-compose -f docker-compose.yml -f docker-compose.random.yml'
-
-echo "stopping images.."
-$command stop
-
-echo "removing stopped images.."
-$command rm -f
-
-echo "building images.."
-$command build
-
-echo "starting images..."
-$command up -d
+---
+apiVersion: storage.k8s.io/v1beta1
+kind: StorageClass
+metadata:
+  name: slow
+provisioner: kubernetes.io/gce-pd
+parameters:
+  type: pd-standard
+---
+apiVersion: storage.k8s.io/v1beta1
+kind: StorageClass
+metadata:
+  name: fast
+provisioner: kubernetes.io/gce-pd
+parameters:
+  type: pd-ssd
+---

docker/docker-compose.static.yml

@@ -17,7 +17,7 @@
 version: '2'
 
 services:
-  db:
+  cassandra:
     ports:
       - "9042:9042"
       - "9160:9160"

docker/docker-compose.yml

@@ -17,24 +17,32 @@
 version: '2'
 
 services:
-  thingsboard:
-    image: "thingsboard/application:1.2.3"
+  tb:
+    image: "thingsboard/application:1.2.4"
     ports:
       - "8080:8080"
       - "1883:1883"
       - "5683:5683/udp"
     env_file:
-      - thingsboard.env
-    entrypoint: ./run_thingsboard.sh
-  thingsboard-db-schema:
-    image: "thingsboard/thingsboard-db-schema:1.2.3"
-    env_file:
-      - thingsboard-db-schema.env
-    entrypoint: ./install_schema.sh
-  db:
+      - tb.env
+    entrypoint: ./run-application.sh
+  tb-cassandra-schema:
+    image: "thingsboard/tb-cassandra-schema:1.2.4"
+    environment:
+      - CREATE_SCHEMA=${CREATE_SCHEMA}
+      - ADD_SYSTEM_DATA=${ADD_SYSTEM_DATA}
+      - ADD_DEMO_DATA=${ADD_DEMO_DATA}
+      - CASSANDRA_URL=${CASSANDRA_URL}
+    entrypoint: ./install-schema.sh
+  cassandra:
     image: "cassandra:3.9"
+    ports:
+      - "9042"
+      - "9160"
     volumes:
       - "${CASSANDRA_DATA_DIR}:/var/lib/cassandra"
   zk:
     image: "zookeeper:3.4.9"
+    ports:
+      - "2181"
     restart: always

docker/thingsboard-db-schema/Dockerfile → docker/tb-cassandra-schema/Dockerfile

@@ -16,12 +16,12 @@
 
 FROM cassandra:3.9
 
-ADD install_schema.sh /root/install_schema.sh
+ADD install-schema.sh /root/install-schema.sh
 
 RUN apt-get update \
         && apt-get install -y nmap
 
-RUN chmod +x /root/install_schema.sh
+RUN chmod +x /root/install-schema.sh
 
 ADD schema.cql /root/schema.cql
 ADD demo-data.cql /root/demo-data.cql

docker/tb-cassandra-schema/Makefile

@@ -0,0 +1,14 @@
+VERSION=1.2.4
+PROJECT=thingsboard
+APP=tb-cassandra-schema
+
+build:
+	cp ../../dao/src/main/resources/schema.cql .
+	cp ../../dao/src/main/resources/demo-data.cql .
+	cp ../../dao/src/main/resources/system-data.cql .
+	docker build --pull -t ${PROJECT}/${APP}:${VERSION} -t ${PROJECT}/${APP}:latest .
+	rm schema.cql demo-data.cql system-data.cql
+
+push: build
+	docker push ${PROJECT}/${APP}:${VERSION}
+    docker push ${PROJECT}/${APP}:latest

docker/thingsboard-db-schema/install_schema.sh → docker/tb-cassandra-schema/install-schema.sh

@@ -16,15 +16,15 @@
 #
 
 
-until nmap db -p 9042 | grep "9042/tcp open"
+until nmap $CASSANDRA_URL -p 9042 | grep "9042/tcp open"
 do
-  echo "Wait for Cassandra..."
+  echo "Wait for $CASSANDRA_URL..."
   sleep 10
 done
 
-if [ "$SKIP_SCHEMA_CREATION" == "false" ]; then
+if [ "$CREATE_SCHEMA" == "true" ]; then
     echo "Creating 'Thingsboard' keyspace..."
-    cqlsh db -f /root/schema.cql
+    cqlsh $CASSANDRA_URL -f /root/schema.cql
     if [ "$?" -eq 0 ]; then
         echo "'Thingsboard' keyspace was successfully created!"
     else
@@ -32,9 +32,9 @@ if [ "$SKIP_SCHEMA_CREATION" == "false" ]; then
     fi
 fi
 
-if [ "$SKIP_SYSTEM_DATA" == "false" ]; then
+if [ "$ADD_SYSTEM_DATA" == "true" ]; then
     echo "Adding system data..."
-    cqlsh db -f /root/system-data.cql
+    cqlsh $CASSANDRA_URL -f /root/system-data.cql
     if [ "$?" -eq 0 ]; then
         echo "System data was successfully added!"
     else
@@ -42,9 +42,9 @@ if [ "$SKIP_SYSTEM_DATA" == "false" ]; then
     fi
 fi
 
-if [ "$SKIP_DEMO_DATA" == "false" ]; then
+if [ "$ADD_DEMO_DATA" == "true" ]; then
     echo "Adding demo data..."
-    cqlsh db -f /root/demo-data.cql
+    cqlsh $CASSANDRA_URL -f /root/demo-data.cql
     if [ "$?" -eq 0 ]; then
         echo "Demo data was successfully added!"
     else

docker/tb-cassandra-schema/tb-cassandra-schema.yaml

@@ -0,0 +1,39 @@
+#
+# Copyright © 2016-2017 The Thingsboard Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+apiVersion: v1
+kind: Pod
+metadata:
+  name: tb-cassandra-schema
+spec:
+  containers:
+  - name: tb-cassandra-schema
+    imagePullPolicy: Always
+    image: thingsboard/tb-cassandra-schema:1.2.4
+    env:
+    - name: CREATE_SCHEMA
+      value: "true"
+    - name: ADD_SYSTEM_DATA
+      value: "true"
+    - name : ADD_DEMO_DATA
+      value: "true"
+    - name : CASSANDRA_URL
+      value: "cassandra-headless"
+    command:
+    - sh
+    - -c
+    - ./install-schema.sh
+  restartPolicy: Never

docker/thingsboard.env → docker/tb.env

@@ -1,6 +1,7 @@
 #Thingsboard server configuration
 
-CASSANDRA_URL=db:9042
+TB_CASSANDRA_SCHEMA_URL=tb-cassandra-schema
+CASSANDRA_URL=cassandra:9042
 ZOOKEEPER_URL=zk:2181
 MQTT_BIND_ADDRESS=0.0.0.0
 MQTT_BIND_PORT=1883

docker/thingsboard/Dockerfile → docker/tb/Dockerfile

@@ -16,9 +16,9 @@
 
 FROM openjdk:8-jre
 
-ADD run_thingsboard.sh /root/run_thingsboard.sh
+ADD run-application.sh /root/run-application.sh
 ADD thingsboard.deb /root/thingsboard.deb
 
-RUN chmod +x /root/run_thingsboard.sh
+RUN chmod +x /root/run-application.sh
 
 WORKDIR /root

docker/tb/Makefile

@@ -0,0 +1,12 @@
+VERSION=1.2.4
+PROJECT=thingsboard
+APP=application
+
+build:
+	cp ../../application/target/thingsboard.deb .
+	docker build --pull -t ${PROJECT}/${APP}:${VERSION} -t ${PROJECT}/${APP}:latest .
+	rm thingsboard.deb
+
+push: build
+	docker push ${PROJECT}/${APP}:${VERSION}
+    docker push ${PROJECT}/${APP}:latest

docker/thingsboard/run_thingsboard.sh → docker/tb/run-application.sh

@@ -21,12 +21,12 @@ dpkg -i /root/thingsboard.deb
 reachable=0
 while [ $reachable -eq 0 ];
 do
-  echo "thingsboard-db-schema container is still in progress. waiting until it completed..."
+  echo "$TB_CASSANDRA_SCHEMA_URL container is still in progress. waiting until it completed..."
   sleep 3
-  ping -q -c 1 thingsboard-db-schema > /dev/null 2>&1
+  ping -q -c 1 $TB_CASSANDRA_SCHEMA_URL > /dev/null 2>&1
   if [ "$?" -ne 0 ];
   then
-    echo "thingsboard-db-schema container completed!"
+    echo "$TB_CASSANDRA_SCHEMA_URL container completed!"
     reachable=1
   fi
 done

docker/tb/tb.yaml

@@ -0,0 +1,121 @@
+#
+# Copyright © 2016-2017 The Thingsboard Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: tb-service
+  labels:
+    app: tb-service
+spec:
+  ports:
+  - port: 8080
+    name: ui
+  - port: 1883
+    name: mqtt
+  - port: 5683
+    name: coap
+  selector:
+    app: tb
+  type: LoadBalancer
+---
+apiVersion: policy/v1beta1
+kind: PodDisruptionBudget
+metadata:
+  name: tb-budget
+spec:
+  selector:
+    matchLabels:
+      app: tb
+  minAvailable: 3
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: tb-config
+data:
+  zookeeper.enabled: "true"
+  zookeeper.url: "zk-headless"
+  cassandra.url: "cassandra-headless:9042"
+---
+apiVersion: apps/v1beta1
+kind: StatefulSet
+metadata:
+  name: tb
+spec:
+  serviceName: "tb-service"
+  replicas: 3
+  template:
+    metadata:
+      labels:
+        app: tb
+    spec:
+      nodeSelector:
+        machinetype: tb
+      affinity:
+        podAntiAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            - labelSelector:
+                matchExpressions:
+                  - key: "app"
+                    operator: In
+                    values:
+                    - tb-service
+              topologyKey: "kubernetes.io/hostname"
+      containers:
+      - name: tb
+        imagePullPolicy: Always
+        image: thingsboard/application:1.2.4
+        ports:
+        - containerPort: 8080
+          name: ui
+        - containerPort: 1883
+          name: mqtt
+        - containerPort: 5683
+          name: coap
+        - containerPort: 9001
+          name: rpc
+        env:
+        - name: ZOOKEEPER_ENABLED
+          valueFrom:
+            configMapKeyRef:
+              name: tb-config
+              key: zookeeper.enabled
+        - name: ZOOKEEPER_URL
+          valueFrom:
+            configMapKeyRef:
+              name: tb-config
+              key: zookeeper.url
+        - name : CASSANDRA_URL
+          valueFrom:
+            configMapKeyRef:
+              name: tb-config
+              key: cassandra.url
+        - name : RPC_HOST
+          valueFrom:
+            fieldRef:
+              fieldPath: status.podIP
+        command:
+        - sh
+        - -c
+        - ./run-application.sh
+        livenessProbe:
+          httpGet:
+            path: /login
+            port: ui-port
+          initialDelaySeconds: 120
+          timeoutSeconds: 10

docker/thingsboard-db-schema.env

@@ -1,5 +0,0 @@
-#Db schema configuration
-
-SKIP_SCHEMA_CREATION=false
-SKIP_SYSTEM_DATA=false
-SKIP_DEMO_DATA=false

docker/thingsboard-db-schema/build_and_deploy.sh

@@ -1,28 +0,0 @@
-#!/bin/bash
-#
-# Copyright © 2016-2017 The Thingsboard Authors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-
-cp ../../dao/src/main/resources/schema.cql schema.cql
-cp ../../dao/src/main/resources/demo-data.cql demo-data.cql
-cp ../../dao/src/main/resources/system-data.cql system-data.cql
-
-docker build -t thingsboard/thingsboard-db-schema:1.2.3 -t thingsboard/thingsboard-db-schema:latest .
-
-docker login
-
-docker push thingsboard/thingsboard-db-schema:1.2.3
-docker push thingsboard/thingsboard-db-schema:latest

docker/zookeeper/Dockerfile

@@ -0,0 +1,71 @@
+#
+# Copyright © 2016-2017 The Thingsboard Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+FROM ubuntu:16.04 
+ENV ZK_USER=zookeeper \
+ZK_DATA_DIR=/var/lib/zookeeper/data \
+ZK_DATA_LOG_DIR=/var/lib/zookeeper/log \
+ZK_LOG_DIR=/var/log/zookeeper \
+JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64
+
+ARG GPG_KEY=C823E3E5B12AF29C67F81976F5CECB3CB5E9BD2D
+ARG ZK_DIST=zookeeper-3.4.9
+RUN set -x \
+    && apt-get update \
+    && apt-get install -y openjdk-8-jre-headless wget netcat-openbsd \
+	&& wget -q "http://www.apache.org/dist/zookeeper/$ZK_DIST/$ZK_DIST.tar.gz" \
+    && wget -q "http://www.apache.org/dist/zookeeper/$ZK_DIST/$ZK_DIST.tar.gz.asc" \
+    && export GNUPGHOME="$(mktemp -d)" \
+    && gpg --keyserver ha.pool.sks-keyservers.net --recv-key "$GPG_KEY" \
+    && gpg --batch --verify "$ZK_DIST.tar.gz.asc" "$ZK_DIST.tar.gz" \
+    && tar -xzf "$ZK_DIST.tar.gz" -C /opt \
+    && rm -r "$GNUPGHOME" "$ZK_DIST.tar.gz" "$ZK_DIST.tar.gz.asc" \
+    && ln -s /opt/$ZK_DIST /opt/zookeeper \
+    && rm -rf /opt/zookeeper/CHANGES.txt \
+    /opt/zookeeper/README.txt \
+    /opt/zookeeper/NOTICE.txt \
+    /opt/zookeeper/CHANGES.txt \
+    /opt/zookeeper/README_packaging.txt \
+    /opt/zookeeper/build.xml \
+    /opt/zookeeper/config \
+    /opt/zookeeper/contrib \
+    /opt/zookeeper/dist-maven \
+    /opt/zookeeper/docs \
+    /opt/zookeeper/ivy.xml \
+    /opt/zookeeper/ivysettings.xml \
+    /opt/zookeeper/recipes \
+    /opt/zookeeper/src \
+    /opt/zookeeper/$ZK_DIST.jar.asc \
+    /opt/zookeeper/$ZK_DIST.jar.md5 \
+    /opt/zookeeper/$ZK_DIST.jar.sha1 \
+	&& apt-get autoremove -y wget \
+	&& rm -rf /var/lib/apt/lists/*
+
+#Copy configuration generator script to bin
+COPY zk-gen-config.sh zk-ok.sh /opt/zookeeper/bin/
+
+# Create a user for the zookeeper process and configure file system ownership 
+# for nessecary directories and symlink the distribution as a user executable
+RUN set -x \
+	&& useradd $ZK_USER \
+    && [ `id -u $ZK_USER` -eq 1000 ] \
+    && [ `id -g $ZK_USER` -eq 1000 ] \
+    && mkdir -p $ZK_DATA_DIR $ZK_DATA_LOG_DIR $ZK_LOG_DIR /usr/share/zookeeper /tmp/zookeeper /usr/etc/ \
+	&& chown -R "$ZK_USER:$ZK_USER" /opt/$ZK_DIST $ZK_DATA_DIR $ZK_LOG_DIR $ZK_DATA_LOG_DIR /tmp/zookeeper \
+	&& ln -s /opt/zookeeper/conf/ /usr/etc/zookeeper \
+	&& ln -s /opt/zookeeper/bin/* /usr/bin \
+	&& ln -s /opt/zookeeper/$ZK_DIST.jar /usr/share/zookeeper/ \
+	&& ln -s /opt/zookeeper/lib/* /usr/share/zookeeper 

docker/zookeeper/Makefile

@@ -0,0 +1,10 @@
+VERSION=1.2.4
+PROJECT=thingsboard
+APP=zk
+
+build:
+	docker build --pull -t ${PROJECT}/${APP}:${VERSION} -t ${PROJECT}/${APP}:latest .
+
+push: build
+	docker push ${PROJECT}/${APP}:${VERSION}
+	docker push ${PROJECT}/${APP}:latest

docker/zookeeper/zk-gen-config.sh

@@ -0,0 +1,153 @@
+#!/usr/bin/env bash
+#
+# Copyright © 2016-2017 The Thingsboard Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+ZK_USER=${ZK_USER:-"zookeeper"}
+ZK_LOG_LEVEL=${ZK_LOG_LEVEL:-"INFO"}
+ZK_DATA_DIR=${ZK_DATA_DIR:-"/var/lib/zookeeper/data"}
+ZK_DATA_LOG_DIR=${ZK_DATA_LOG_DIR:-"/var/lib/zookeeper/log"}
+ZK_LOG_DIR=${ZK_LOG_DIR:-"var/log/zookeeper"}
+ZK_CONF_DIR=${ZK_CONF_DIR:-"/opt/zookeeper/conf"}
+ZK_CLIENT_PORT=${ZK_CLIENT_PORT:-2181}
+ZK_SERVER_PORT=${ZK_SERVER_PORT:-2888}
+ZK_ELECTION_PORT=${ZK_ELECTION_PORT:-3888}
+ZK_TICK_TIME=${ZK_TICK_TIME:-2000}
+ZK_INIT_LIMIT=${ZK_INIT_LIMIT:-10}
+ZK_SYNC_LIMIT=${ZK_SYNC_LIMIT:-5}
+ZK_HEAP_SIZE=${ZK_HEAP_SIZE:-2G}
+ZK_MAX_CLIENT_CNXNS=${ZK_MAX_CLIENT_CNXNS:-60}
+ZK_MIN_SESSION_TIMEOUT=${ZK_MIN_SESSION_TIMEOUT:- $((ZK_TICK_TIME*2))}
+ZK_MAX_SESSION_TIMEOUT=${ZK_MAX_SESSION_TIMEOUT:- $((ZK_TICK_TIME*20))}
+ZK_SNAP_RETAIN_COUNT=${ZK_SNAP_RETAIN_COUNT:-3}
+ZK_PURGE_INTERVAL=${ZK_PURGE_INTERVAL:-0}
+ID_FILE="$ZK_DATA_DIR/myid"
+ZK_CONFIG_FILE="$ZK_CONF_DIR/zoo.cfg"
+LOGGER_PROPS_FILE="$ZK_CONF_DIR/log4j.properties"
+JAVA_ENV_FILE="$ZK_CONF_DIR/java.env"
+HOST=`hostname -s`
+DOMAIN=`hostname -d`
+
+function print_servers() {
+	 for (( i=1; i<=$ZK_REPLICAS; i++ ))
+	do
+		echo "server.$i=$NAME-$((i-1)).$DOMAIN:$ZK_SERVER_PORT:$ZK_ELECTION_PORT"
+	done
+}
+
+function validate_env() {
+    echo "Validating environment"
+	if [ -z $ZK_REPLICAS ]; then
+		echo "ZK_REPLICAS is a mandatory environment variable"
+		exit 1
+	fi
+
+	if [[ $HOST =~ (.*)-([0-9]+)$ ]]; then
+		NAME=${BASH_REMATCH[1]}
+		ORD=${BASH_REMATCH[2]}
+	else
+		echo "Failed to extract ordinal from hostname $HOST"
+		exit 1
+	fi
+	MY_ID=$((ORD+1))
+	echo "ZK_REPLICAS=$ZK_REPLICAS"
+    echo "MY_ID=$MY_ID"
+    echo "ZK_LOG_LEVEL=$ZK_LOG_LEVEL"
+    echo "ZK_DATA_DIR=$ZK_DATA_DIR"
+    echo "ZK_DATA_LOG_DIR=$ZK_DATA_LOG_DIR"
+    echo "ZK_LOG_DIR=$ZK_LOG_DIR"
+    echo "ZK_CLIENT_PORT=$ZK_CLIENT_PORT"
+    echo "ZK_SERVER_PORT=$ZK_SERVER_PORT"
+    echo "ZK_ELECTION_PORT=$ZK_ELECTION_PORT"
+    echo "ZK_TICK_TIME=$ZK_TICK_TIME"
+    echo "ZK_INIT_LIMIT=$ZK_INIT_LIMIT"
+    echo "ZK_SYNC_LIMIT=$ZK_SYNC_LIMIT"
+    echo "ZK_MAX_CLIENT_CNXNS=$ZK_MAX_CLIENT_CNXNS"
+    echo "ZK_MIN_SESSION_TIMEOUT=$ZK_MIN_SESSION_TIMEOUT"
+    echo "ZK_MAX_SESSION_TIMEOUT=$ZK_MAX_SESSION_TIMEOUT"
+    echo "ZK_HEAP_SIZE=$ZK_HEAP_SIZE"
+    echo "ZK_SNAP_RETAIN_COUNT=$ZK_SNAP_RETAIN_COUNT"
+    echo "ZK_PURGE_INTERVAL=$ZK_PURGE_INTERVAL"
+    echo "ENSEMBLE"
+    print_servers
+    echo "Environment validation successful"
+}
+
+function create_config() {
+	rm -f $ZK_CONFIG_FILE
+    echo "Creating ZooKeeper configuration"
+    echo "#This file was autogenerated by zk DO NOT EDIT" >> $ZK_CONFIG_FILE
+	echo "clientPort=$ZK_CLIENT_PORT" >> $ZK_CONFIG_FILE
+    echo "dataDir=$ZK_DATA_DIR" >> $ZK_CONFIG_FILE
+    echo "dataLogDir=$ZK_DATA_LOG_DIR" >> $ZK_CONFIG_FILE
+    echo "tickTime=$ZK_TICK_TIME" >> $ZK_CONFIG_FILE
+    echo "initLimit=$ZK_INIT_LIMIT" >> $ZK_CONFIG_FILE
+    echo "syncLimit=$ZK_SYNC_LIMIT" >> $ZK_CONFIG_FILE
+    echo "maxClientCnxns=$ZK_MAX_CLIENT_CNXNS" >> $ZK_CONFIG_FILE
+    echo "minSessionTimeout=$ZK_MIN_SESSION_TIMEOUT" >> $ZK_CONFIG_FILE
+    echo "maxSessionTimeout=$ZK_MAX_SESSION_TIMEOUT" >> $ZK_CONFIG_FILE
+    echo "autopurge.snapRetainCount=$ZK_SNAP_RETAIN_COUNT" >> $ZK_CONFIG_FILE
+    echo "autopurge.purgeInteval=$ZK_PURGE_INTERVAL" >> $ZK_CONFIG_FILE
+
+    if [ $ZK_REPLICAS -gt 1 ]; then
+    	print_servers >> $ZK_CONFIG_FILE
+    fi
+    echo "Wrote ZooKeeper configuration file to $ZK_CONFIG_FILE"
+}
+
+function create_data_dirs() {
+	echo "Creating ZooKeeper data directories and setting permissions"
+    if [ ! -d $ZK_DATA_DIR  ]; then
+        mkdir -p $ZK_DATA_DIR
+        chown -R $ZK_USER:$ZK_USER $ZK_DATA_DIR
+    fi
+
+    if [ ! -d $ZK_DATA_LOG_DIR  ]; then
+        mkdir -p $ZK_DATA_LOG_DIR
+        chown -R $ZK_USER:$ZK_USER $ZK_DATA_LOG_DIR
+    fi
+
+    if [ ! -d $ZK_LOG_DIR  ]; then
+        mkdir -p $ZK_LOG_DIR
+        chown -R $ZK_USER:$ZK_USER $ZK_LOG_DIR
+    fi
+    if [ ! -f $ID_FILE ]; then
+        echo $MY_ID >> $ID_FILE
+    fi
+    echo "Created ZooKeeper data directories and set permissions in $ZK_DATA_DIR"
+}
+
+function create_log_props () {
+	rm -f $LOGGER_PROPS_FILE
+    echo "Creating ZooKeeper log4j configuration"
+	echo "zookeeper.root.logger=CONSOLE" >> $LOGGER_PROPS_FILE
+	echo "zookeeper.console.threshold="$ZK_LOG_LEVEL >> $LOGGER_PROPS_FILE
+	echo "log4j.rootLogger=\${zookeeper.root.logger}" >> $LOGGER_PROPS_FILE
+	echo "log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender" >> $LOGGER_PROPS_FILE
+	echo "log4j.appender.CONSOLE.Threshold=\${zookeeper.console.threshold}" >> $LOGGER_PROPS_FILE
+	echo "log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout" >> $LOGGER_PROPS_FILE
+	echo "log4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} [myid:%X{myid}] - %-5p [%t:%C{1}@%L] - %m%n" >> $LOGGER_PROPS_FILE
+	echo "Wrote log4j configuration to $LOGGER_PROPS_FILE"
+}
+
+function create_java_env() {
+    rm -f $JAVA_ENV_FILE
+    echo "Creating JVM configuration file"
+    echo "ZOO_LOG_DIR=$ZK_LOG_DIR" >> $JAVA_ENV_FILE
+    echo "JVMFLAGS=\"-Xmx$ZK_HEAP_SIZE -Xms$ZK_HEAP_SIZE\"" >> $JAVA_ENV_FILE
+    echo "Wrote JVM configuration to $JAVA_ENV_FILE"
+}
+
+validate_env && create_config && create_log_props && create_data_dirs && create_java_env