Minor improvements

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

@@ -29,8 +29,10 @@ import org.thingsboard.server.service.security.model.SecurityUser;
 import org.thingsboard.server.service.sync.EntitiesExportImportService;
 import org.thingsboard.server.service.sync.exporting.ExportableEntitiesService;
 import org.thingsboard.server.service.sync.exporting.data.EntityExportData;
+import org.thingsboard.server.service.sync.exporting.data.request.EntityExportSettings;
 import org.thingsboard.server.service.sync.exporting.data.request.ExportRequest;
 import org.thingsboard.server.service.sync.importing.data.EntityImportResult;
+import org.thingsboard.server.service.sync.importing.data.EntityImportSettings;
 import org.thingsboard.server.service.sync.importing.data.request.ImportRequest;
 
 import java.util.ArrayList;
@@ -79,10 +81,16 @@ public class EntitiesExportImportController extends BaseController {
 
     private List<EntityExportData<?>> exportEntitiesByRequest(SecurityUser user, ExportRequest exportRequest) throws ThingsboardException {
         List<EntityId> entities = exportableEntitiesService.findEntitiesForRequest(user.getTenantId(), exportRequest);
+        EntityExportSettings exportSettings = exportRequest.getExportSettings();
+        if (exportSettings == null) {
+            exportSettings = EntityExportSettings.builder()
+                    .exportRelations(false)
+                    .build();
+        }
 
         List<EntityExportData<?>> exportDataList = new ArrayList<>();
         for (EntityId entityId : entities) {
-            EntityExportData<?> exportData = exportImportService.exportEntity(user, entityId, exportRequest.getExportSettings());
+            EntityExportData<?> exportData = exportImportService.exportEntity(user, entityId, exportSettings);
             exportDataList.add(exportData);
         }
         return exportDataList;
@@ -93,7 +101,15 @@ public class EntitiesExportImportController extends BaseController {
     public List<EntityImportResult<?>> importEntities(@RequestBody ImportRequest importRequest) throws ThingsboardException {
         SecurityUser user = getCurrentUser();
         try {
-            List<EntityImportResult<?>> importResults = exportImportService.importEntities(user, importRequest.getExportDataList(), importRequest.getImportSettings());
+            EntityImportSettings importSettings = importRequest.getImportSettings();
+            if (importSettings == null) {
+                importSettings = EntityImportSettings.builder()
+                        .findExistingByName(false)
+                        .updateRelations(false)
+                        .build();
+            }
+
+            List<EntityImportResult<?>> importResults = exportImportService.importEntities(user, importRequest.getExportDataList(), importSettings);
 
             importResults.stream()
                     .map(EntityImportResult::getSendEventsCallback)

application/src/main/java/org/thingsboard/server/service/sync/exporting/DefaultExportableEntitiesService.java

@@ -17,6 +17,7 @@ package org.thingsboard.server.service.sync.exporting;
 
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.ObjectUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.dao.DataAccessException;
 import org.springframework.stereotype.Service;
@@ -56,7 +57,6 @@ import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Optional;
 import java.util.stream.Collectors;
 
 import static org.thingsboard.server.dao.sql.query.EntityKeyMapping.CREATED_TIME;
@@ -78,12 +78,17 @@ public class DefaultExportableEntitiesService implements ExportableEntitiesServi
         EntityType entityType = externalId.getEntityType();
         Dao<E> dao = getDao(entityType);
 
+        E entity = null;
+
         if (dao instanceof ExportableEntityDao) {
             ExportableEntityDao<E> exportableEntityDao = (ExportableEntityDao<E>) dao;
-            return exportableEntityDao.findByTenantIdAndExternalId(tenantId.getId(), externalId.getId());
-        } else {
+            entity = exportableEntityDao.findByTenantIdAndExternalId(tenantId.getId(), externalId.getId());
+        }
+        if (entity == null || !belongsToTenant(entity, tenantId)) {
             return null;
         }
+
+        return entity;
     }
 
     @Override
@@ -92,24 +97,36 @@ public class DefaultExportableEntitiesService implements ExportableEntitiesServi
         Dao<E> dao = getDao(entityType);
 
         E entity = dao.findById(tenantId, id.getId());
-        if (((HasTenantId) entity).getTenantId().equals(tenantId)) {
-            return entity;
+
+        if (entity == null || !belongsToTenant(entity, tenantId)) {
+            return null;
         }
-        return null;
+
+        return entity;
     }
 
     @Override
     public <E extends ExportableEntity<I>, I extends EntityId> E findEntityByTenantIdAndName(TenantId tenantId, EntityType entityType, String name) {
         Dao<E> dao = getDao(entityType);
 
+        E entity = null;
+
         if (dao instanceof ExportableEntityDao) {
             ExportableEntityDao<E> exportableEntityDao = (ExportableEntityDao<E>) dao;
             try {
-                return exportableEntityDao.findByTenantIdAndName(tenantId.getId(), name);
+                entity = exportableEntityDao.findByTenantIdAndName(tenantId.getId(), name);
             } catch (UnsupportedOperationException ignored) {
             }
         }
-        return null;
+        if (entity == null || !belongsToTenant(entity, tenantId)) {
+            return null;
+        }
+
+        return entity;
+    }
+
+    private boolean belongsToTenant(HasId<? extends EntityId> entity, TenantId tenantId) {
+        return tenantId.equals(((HasTenantId) entity).getTenantId());
     }
 
 
@@ -127,21 +144,21 @@ public class DefaultExportableEntitiesService implements ExportableEntitiesServi
                 EntityTypeFilter entityTypeFilter = new EntityTypeFilter();
                 entityTypeFilter.setEntityType(exportRequest.getEntityType());
 
-                CustomerId customerId = Optional.ofNullable(exportRequest.getCustomerId()).orElse(new CustomerId(EntityId.NULL_UUID));
+                CustomerId customerId = new CustomerId(ObjectUtils.defaultIfNull(exportRequest.getCustomerId(), EntityId.NULL_UUID));
                 return findEntitiesByFilter(tenantId, customerId, entityTypeFilter, exportRequest.getPage(), exportRequest.getPageSize());
             }
             case CUSTOM_ENTITY_FILTER: {
                 CustomEntityFilterExportRequest exportRequest = (CustomEntityFilterExportRequest) request;
                 EntityFilter filter = exportRequest.getFilter();
 
-                CustomerId customerId = Optional.ofNullable(exportRequest.getCustomerId()).orElse(new CustomerId(EntityId.NULL_UUID));
+                CustomerId customerId = new CustomerId(ObjectUtils.defaultIfNull(exportRequest.getCustomerId(), EntityId.NULL_UUID));
                 return findEntitiesByFilter(tenantId, customerId, filter, exportRequest.getPage(), exportRequest.getPageSize());
             }
             case CUSTOM_ENTITY_QUERY: {
                 CustomEntityQueryExportRequest exportRequest = (CustomEntityQueryExportRequest) request;
                 EntityDataQuery query = exportRequest.getQuery();
 
-                CustomerId customerId = Optional.ofNullable(exportRequest.getCustomerId()).orElse(new CustomerId(EntityId.NULL_UUID));
+                CustomerId customerId = new CustomerId(ObjectUtils.defaultIfNull(exportRequest.getCustomerId(), EntityId.NULL_UUID));
                 return findEntitiesByQuery(tenantId, customerId, query);
             }
             default: {

application/src/main/java/org/thingsboard/server/service/sync/exporting/data/request/CustomEntityFilterExportRequest.java

@@ -17,9 +17,10 @@ package org.thingsboard.server.service.sync.exporting.data.request;
 
 import lombok.Data;
 import lombok.EqualsAndHashCode;
-import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.query.EntityFilter;
 
+import java.util.UUID;
+
 @EqualsAndHashCode(callSuper = true)
 @Data
 public class CustomEntityFilterExportRequest extends ExportRequest {
@@ -27,7 +28,7 @@ public class CustomEntityFilterExportRequest extends ExportRequest {
     private EntityFilter filter;
     private int page;
     private int pageSize;
-    private CustomerId customerId;
+    private UUID customerId;
 
     @Override
     public ExportRequestType getType() {

application/src/main/java/org/thingsboard/server/service/sync/exporting/data/request/CustomEntityQueryExportRequest.java

@@ -17,15 +17,16 @@ package org.thingsboard.server.service.sync.exporting.data.request;
 
 import lombok.Data;
 import lombok.EqualsAndHashCode;
-import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.query.EntityDataQuery;
 
+import java.util.UUID;
+
 @EqualsAndHashCode(callSuper = true)
 @Data
 public class CustomEntityQueryExportRequest extends ExportRequest {
 
     private EntityDataQuery query;
-    private CustomerId customerId;
+    private UUID customerId;
 
     @Override
     public ExportRequestType getType() {

application/src/main/java/org/thingsboard/server/service/sync/exporting/data/request/EntityTypeExportRequest.java

@@ -18,7 +18,8 @@ package org.thingsboard.server.service.sync.exporting.data.request;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import org.thingsboard.server.common.data.EntityType;
-import org.thingsboard.server.common.data.id.CustomerId;
+
+import java.util.UUID;
 
 @EqualsAndHashCode(callSuper = true)
 @Data
@@ -27,7 +28,7 @@ public class EntityTypeExportRequest extends ExportRequest {
     private EntityType entityType;
     private int page;
     private int pageSize;
-    private CustomerId customerId;
+    private UUID customerId;
 
     @Override
     public ExportRequestType getType() {