Merge pull request #670 from thingsboard/develop/1.5-refactoring

Rule Engine Actors and Flows

application/pom.xml

@@ -53,6 +53,14 @@
             <groupId>org.thingsboard</groupId>
             <artifactId>extensions-api</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.thingsboard.rule-engine</groupId>
+            <artifactId>rule-engine-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.thingsboard.rule-engine</groupId>
+            <artifactId>rule-engine-components</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.thingsboard</groupId>
             <artifactId>extensions-core</artifactId>

application/src/main/data/upgrade/1.5.0/schema_update.cql

@@ -69,6 +69,7 @@ CREATE TABLE IF NOT EXISTS  thingsboard.rule_chain (
     search_text text,
     first_rule_node_id uuid,
     root boolean,
+    debug_mode boolean,
     configuration text,
     additional_info text,
     PRIMARY KEY (id, tenant_id)
@@ -85,6 +86,7 @@ CREATE TABLE IF NOT EXISTS  thingsboard.rule_node (
     id uuid,
     type text,
     name text,
+    debug_mode boolean,
     search_text text,
     configuration text,
     additional_info text,

application/src/main/data/upgrade/1.5.0/schema_update.sql

@@ -21,6 +21,7 @@ CREATE TABLE IF NOT EXISTS rule_chain (
     name varchar(255),
     first_rule_node_id varchar(31),
     root boolean,
+    debug_mode boolean,
     search_text varchar(255),
     tenant_id varchar(31)
 );
@@ -31,5 +32,6 @@ CREATE TABLE IF NOT EXISTS rule_node (
     configuration varchar(10000000),
     type varchar(255),
     name varchar(255),
+    debug_mode boolean,
     search_text varchar(255)
 );

application/src/main/java/org/thingsboard/server/actors/ActorSystemContext.java

@@ -28,12 +28,16 @@ import lombok.Setter;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Component;
+import org.springframework.util.Base64Utils;
+import org.thingsboard.rule.engine.api.ListeningExecutor;
+import org.thingsboard.rule.engine.js.JsExecutorService;
 import org.thingsboard.server.actors.service.ActorService;
 import org.thingsboard.server.common.data.DataConstants;
 import org.thingsboard.server.common.data.Event;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.plugin.ComponentLifecycleEvent;
+import org.thingsboard.server.common.msg.TbMsg;
 import org.thingsboard.server.common.msg.cluster.ServerAddress;
 import org.thingsboard.server.common.transport.auth.DeviceAuthService;
 import org.thingsboard.server.controller.plugin.PluginWebSocketMsgEndpoint;
@@ -50,6 +54,7 @@ import org.thingsboard.server.dao.rule.RuleChainService;
 import org.thingsboard.server.dao.rule.RuleService;
 import org.thingsboard.server.dao.tenant.TenantService;
 import org.thingsboard.server.dao.timeseries.TimeseriesService;
+import org.thingsboard.server.dao.user.UserService;
 import org.thingsboard.server.service.cluster.discovery.DiscoveryService;
 import org.thingsboard.server.service.cluster.routing.ClusterRoutingService;
 import org.thingsboard.server.service.cluster.rpc.ClusterRpcService;
@@ -57,6 +62,7 @@ import org.thingsboard.server.service.component.ComponentDiscoveryService;
 
 import java.io.PrintWriter;
 import java.io.StringWriter;
+import java.nio.charset.StandardCharsets;
 import java.util.Optional;
 
 @Component
@@ -65,101 +71,154 @@ public class ActorSystemContext {
 
     protected final ObjectMapper mapper = new ObjectMapper();
 
-    @Getter @Setter private ActorService actorService;
+    @Getter
+    @Setter
+    private ActorService actorService;
 
     @Autowired
-    @Getter private DiscoveryService discoveryService;
+    @Getter
+    private DiscoveryService discoveryService;
 
     @Autowired
-    @Getter @Setter private ComponentDiscoveryService componentService;
+    @Getter
+    @Setter
+    private ComponentDiscoveryService componentService;
 
     @Autowired
-    @Getter private ClusterRoutingService routingService;
+    @Getter
+    private ClusterRoutingService routingService;
 
     @Autowired
-    @Getter private ClusterRpcService rpcService;
+    @Getter
+    private ClusterRpcService rpcService;
 
     @Autowired
-    @Getter private DeviceAuthService deviceAuthService;
+    @Getter
+    private DeviceAuthService deviceAuthService;
 
     @Autowired
-    @Getter private DeviceService deviceService;
+    @Getter
+    private DeviceService deviceService;
 
     @Autowired
-    @Getter private AssetService assetService;
+    @Getter
+    private AssetService assetService;
 
     @Autowired
-    @Getter private TenantService tenantService;
+    @Getter
+    private TenantService tenantService;
 
     @Autowired
-    @Getter private CustomerService customerService;
+    @Getter
+    private CustomerService customerService;
 
     @Autowired
-    @Getter private RuleService ruleService;
+    @Getter
+    private UserService userService;
 
     @Autowired
-    @Getter private RuleChainService ruleChainService;
+    @Getter
+    private RuleService ruleService;
 
     @Autowired
-    @Getter private PluginService pluginService;
+    @Getter
+    private RuleChainService ruleChainService;
 
     @Autowired
-    @Getter private TimeseriesService tsService;
+    @Getter
+    private PluginService pluginService;
 
     @Autowired
-    @Getter private AttributesService attributesService;
+    @Getter
+    private TimeseriesService tsService;
 
     @Autowired
-    @Getter private EventService eventService;
+    @Getter
+    private AttributesService attributesService;
 
     @Autowired
-    @Getter private AlarmService alarmService;
+    @Getter
+    private EventService eventService;
 
     @Autowired
-    @Getter private RelationService relationService;
+    @Getter
+    private AlarmService alarmService;
 
     @Autowired
-    @Getter private AuditLogService auditLogService;
+    @Getter
+    private RelationService relationService;
 
     @Autowired
-    @Getter @Setter private PluginWebSocketMsgEndpoint wsMsgEndpoint;
+    @Getter
+    private AuditLogService auditLogService;
+
+    @Autowired
+    @Getter
+    @Setter
+    private PluginWebSocketMsgEndpoint wsMsgEndpoint;
 
     @Value("${actors.session.sync.timeout}")
-    @Getter private long syncSessionTimeout;
+    @Getter
+    private long syncSessionTimeout;
 
     @Value("${actors.plugin.termination.delay}")
-    @Getter private long pluginActorTerminationDelay;
+    @Getter
+    private long pluginActorTerminationDelay;
 
     @Value("${actors.plugin.processing.timeout}")
-    @Getter private long pluginProcessingTimeout;
+    @Getter
+    private long pluginProcessingTimeout;
 
     @Value("${actors.plugin.error_persist_frequency}")
-    @Getter private long pluginErrorPersistFrequency;
+    @Getter
+    private long pluginErrorPersistFrequency;
+
+    @Value("${actors.rule.chain.error_persist_frequency}")
+    @Getter
+    private long ruleChainErrorPersistFrequency;
+
+    @Value("${actors.rule.node.error_persist_frequency}")
+    @Getter
+    private long ruleNodeErrorPersistFrequency;
 
     @Value("${actors.rule.termination.delay}")
-    @Getter private long ruleActorTerminationDelay;
+    @Getter
+    private long ruleActorTerminationDelay;
 
     @Value("${actors.rule.error_persist_frequency}")
-    @Getter private long ruleErrorPersistFrequency;
+    @Getter
+    private long ruleErrorPersistFrequency;
 
     @Value("${actors.statistics.enabled}")
-    @Getter private boolean statisticsEnabled;
+    @Getter
+    private boolean statisticsEnabled;
 
     @Value("${actors.statistics.persist_frequency}")
-    @Getter private long statisticsPersistFrequency;
+    @Getter
+    private long statisticsPersistFrequency;
 
     @Value("${actors.tenant.create_components_on_init}")
-    @Getter private boolean tenantComponentsInitEnabled;
+    @Getter
+    private boolean tenantComponentsInitEnabled;
 
-    @Getter @Setter private ActorSystem actorSystem;
+    @Getter
+    @Setter
+    private ActorSystem actorSystem;
 
-    @Getter @Setter private ActorRef appActor;
+    @Getter
+    @Setter
+    private ActorRef appActor;
 
-    @Getter @Setter private ActorRef sessionManagerActor;
+    @Getter
+    @Setter
+    private ActorRef sessionManagerActor;
 
-    @Getter @Setter private ActorRef statsActor;
+    @Getter
+    @Setter
+    private ActorRef statsActor;
 
-    @Getter private final Config config;
+    @Getter
+    private final Config config;
 
     public ActorSystemContext() {
         config = ConfigFactory.parseResources(AKKA_CONF_FILE_NAME).withFallback(ConfigFactory.load());
@@ -191,7 +250,7 @@ public class ActorSystemContext {
         eventService.save(event);
     }
 
-    private String toString(Exception e) {
+    private String toString(Throwable e) {
         StringWriter sw = new StringWriter();
         e.printStackTrace(new PrintWriter(sw));
         return sw.toString();
@@ -211,4 +270,69 @@ public class ActorSystemContext {
     private JsonNode toBodyJson(ServerAddress server, String method, String body) {
         return mapper.createObjectNode().put("server", server.toString()).put("method", method).put("error", body);
     }
+
+    public String getServerAddress() {
+        return discoveryService.getCurrentServer().getServerAddress().toString();
+    }
+
+    public void persistDebugInput(TenantId tenantId, EntityId entityId, TbMsg tbMsg) {
+        persistDebug(tenantId, entityId, "IN", tbMsg, null);
+    }
+
+    public void persistDebugInput(TenantId tenantId, EntityId entityId, TbMsg tbMsg, Throwable error) {
+        persistDebug(tenantId, entityId, "IN", tbMsg, error);
+    }
+
+    public void persistDebugOutput(TenantId tenantId, EntityId entityId, TbMsg tbMsg, Throwable error) {
+        persistDebug(tenantId, entityId, "OUT", tbMsg, error);
+    }
+
+    public void persistDebugOutput(TenantId tenantId, EntityId entityId, TbMsg tbMsg) {
+        persistDebug(tenantId, entityId, "OUT", tbMsg, null);
+    }
+
+    private void persistDebug(TenantId tenantId, EntityId entityId, String type, TbMsg tbMsg, Throwable error) {
+        Event event = new Event();
+        event.setTenantId(tenantId);
+        event.setEntityId(entityId);
+        event.setType(DataConstants.DEBUG);
+
+        ObjectNode node = mapper.createObjectNode()
+                .put("type", type)
+                .put("server", getServerAddress())
+                .put("entityId", tbMsg.getOriginator().getId().toString())
+                .put("entityName", tbMsg.getOriginator().getEntityType().name())
+                .put("msgId", tbMsg.getId().toString())
+                .put("msgType", tbMsg.getType())
+                .put("dataType", tbMsg.getDataType().name());
+
+        ObjectNode mdNode = node.putObject("metadata");
+        tbMsg.getMetaData().getData().forEach(mdNode::put);
+
+        switch (tbMsg.getDataType()) {
+            case BINARY:
+                node.put("data", Base64Utils.encodeUrlSafe(tbMsg.getData()));
+                break;
+            default:
+                node.put("data", new String(tbMsg.getData(), StandardCharsets.UTF_8));
+                break;
+        }
+
+        if (error != null) {
+            node = node.put("error", toString(error));
+        }
+
+        event.setBody(node);
+        eventService.save(event);
+    }
+
+    public static Exception toException(Throwable error) {
+        return Exception.class.isInstance(error) ? (Exception) error : new Exception(error);
+    }
+
+    public ListeningExecutor getExecutor() {
+        //TODO: take thread count from yml.
+        return new JsExecutorService(1);
+    }
+
 }

application/src/main/java/org/thingsboard/server/actors/app/AppActor.java

@@ -22,48 +22,41 @@ import akka.event.LoggingAdapter;
 import akka.japi.Function;
 import org.thingsboard.server.actors.ActorSystemContext;
 import org.thingsboard.server.actors.plugin.PluginTerminationMsg;
-import org.thingsboard.server.actors.service.ContextAwareActor;
+import org.thingsboard.server.actors.ruleChain.RuleChainManagerActor;
 import org.thingsboard.server.actors.service.ContextBasedCreator;
 import org.thingsboard.server.actors.service.DefaultActorService;
-import org.thingsboard.server.actors.shared.plugin.PluginManager;
 import org.thingsboard.server.actors.shared.plugin.SystemPluginManager;
-import org.thingsboard.server.actors.shared.rule.RuleManager;
-import org.thingsboard.server.actors.shared.rule.SystemRuleManager;
-import org.thingsboard.server.actors.tenant.RuleChainDeviceMsg;
+import org.thingsboard.server.actors.shared.rulechain.SystemRuleChainManager;
 import org.thingsboard.server.actors.tenant.TenantActor;
 import org.thingsboard.server.common.data.Tenant;
 import org.thingsboard.server.common.data.id.PluginId;
-import org.thingsboard.server.common.data.id.RuleId;
+import org.thingsboard.server.common.data.id.RuleChainId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.page.PageDataIterable;
+import org.thingsboard.server.common.msg.TbActorMsg;
 import org.thingsboard.server.common.msg.cluster.ClusterEventMsg;
 import org.thingsboard.server.common.msg.device.ToDeviceActorMsg;
 import org.thingsboard.server.common.msg.plugin.ComponentLifecycleMsg;
+import org.thingsboard.server.common.msg.system.ServiceToRuleEngineMsg;
 import org.thingsboard.server.dao.model.ModelConstants;
 import org.thingsboard.server.dao.tenant.TenantService;
 import org.thingsboard.server.extensions.api.device.ToDeviceActorNotificationMsg;
 import org.thingsboard.server.extensions.api.plugins.msg.ToPluginActorMsg;
-import org.thingsboard.server.extensions.api.rules.ToRuleActorMsg;
 import scala.concurrent.duration.Duration;
 
 import java.util.HashMap;
 import java.util.Map;
-import java.util.Optional;
 
-public class AppActor extends ContextAwareActor {
+public class AppActor extends RuleChainManagerActor {
 
     private final LoggingAdapter logger = Logging.getLogger(getContext().system(), this);
 
     public static final TenantId SYSTEM_TENANT = new TenantId(ModelConstants.NULL_UUID);
-    private final RuleManager ruleManager;
-    private final PluginManager pluginManager;
     private final TenantService tenantService;
     private final Map<TenantId, ActorRef> tenantActors;
 
     private AppActor(ActorSystemContext systemContext) {
-        super(systemContext);
-        this.ruleManager = new SystemRuleManager(systemContext);
-        this.pluginManager = new SystemPluginManager(systemContext);
+        super(systemContext, new SystemRuleChainManager(systemContext), new SystemPluginManager(systemContext));
         this.tenantService = systemContext.getTenantService();
         this.tenantActors = new HashMap<>();
     }
@@ -77,8 +70,7 @@ public class AppActor extends ContextAwareActor {
     public void preStart() {
         logger.info("Starting main system actor.");
         try {
-            ruleManager.init(this.context());
-            pluginManager.init(this.context());
+            initRuleChains();
 
             if (systemContext.isTenantComponentsInitEnabled()) {
                 PageDataIterable<Tenant> tenantIterator = new PageDataIterable<>(tenantService::findTenants, ENTITY_PACK_LIMIT);
@@ -96,29 +88,51 @@ public class AppActor extends ContextAwareActor {
     }
 
     @Override
-    public void onReceive(Object msg) throws Exception {
-        logger.debug("Received message: {}", msg);
-        if (msg instanceof ToDeviceActorMsg) {
-            processDeviceMsg((ToDeviceActorMsg) msg);
-        } else if (msg instanceof ToPluginActorMsg) {
-            onToPluginMsg((ToPluginActorMsg) msg);
-        } else if (msg instanceof ToRuleActorMsg) {
-            onToRuleMsg((ToRuleActorMsg) msg);
-        } else if (msg instanceof ToDeviceActorNotificationMsg) {
-            onToDeviceActorMsg((ToDeviceActorNotificationMsg) msg);
-        } else if (msg instanceof Terminated) {
-            processTermination((Terminated) msg);
-        } else if (msg instanceof ClusterEventMsg) {
-            broadcast(msg);
-        } else if (msg instanceof ComponentLifecycleMsg) {
-            onComponentLifecycleMsg((ComponentLifecycleMsg) msg);
-        } else if (msg instanceof PluginTerminationMsg) {
-            onPluginTerminated((PluginTerminationMsg) msg);
+    protected boolean process(TbActorMsg msg) {
+        switch (msg.getMsgType()) {
+            case COMPONENT_LIFE_CYCLE_MSG:
+                onComponentLifecycleMsg((ComponentLifecycleMsg) msg);
+                break;
+            case SERVICE_TO_RULE_ENGINE_MSG:
+                onServiceToRuleEngineMsg((ServiceToRuleEngineMsg) msg);
+                break;
+            default:
+                return false;
+        }
+        return true;
+    }
+
+    private void onServiceToRuleEngineMsg(ServiceToRuleEngineMsg msg) {
+        if (SYSTEM_TENANT.equals(msg.getTenantId())) {
+            //TODO: ashvayka handle this.
         } else {
-            logger.warning("Unknown message: {}!", msg);
+            getOrCreateTenantActor(msg.getTenantId()).tell(msg, self());
         }
     }
 
+
+//    @Override
+//    public void onReceive(Object msg) throws Exception {
+//        logger.debug("Received message: {}", msg);
+//        if (msg instanceof ToDeviceActorMsg) {
+//            processDeviceMsg((ToDeviceActorMsg) msg);
+//        } else if (msg instanceof ToPluginActorMsg) {
+//            onToPluginMsg((ToPluginActorMsg) msg);
+//        } else if (msg instanceof ToDeviceActorNotificationMsg) {
+//            onToDeviceActorMsg((ToDeviceActorNotificationMsg) msg);
+//        } else if (msg instanceof Terminated) {
+//            processTermination((Terminated) msg);
+//        } else if (msg instanceof ClusterEventMsg) {
+//            broadcast(msg);
+//        } else if (msg instanceof ComponentLifecycleMsg) {
+//            onComponentLifecycleMsg((ComponentLifecycleMsg) msg);
+//        } else if (msg instanceof PluginTerminationMsg) {
+//            onPluginTerminated((PluginTerminationMsg) msg);
+//        } else {
+//            logger.warning("Unknown message: {}!", msg);
+//        }
+//    }
+
     private void onPluginTerminated(PluginTerminationMsg msg) {
         pluginManager.remove(msg.getId());
     }
@@ -128,20 +142,10 @@ public class AppActor extends ContextAwareActor {
         tenantActors.values().forEach(actorRef -> actorRef.tell(msg, ActorRef.noSender()));
     }
 
-    private void onToRuleMsg(ToRuleActorMsg msg) {
-        ActorRef target;
-        if (SYSTEM_TENANT.equals(msg.getTenantId())) {
-            target = ruleManager.getOrCreateRuleActor(this.context(), msg.getRuleId());
-        } else {
-            target = getOrCreateTenantActor(msg.getTenantId());
-        }
-        target.tell(msg, ActorRef.noSender());
-    }
-
     private void onToPluginMsg(ToPluginActorMsg msg) {
         ActorRef target;
         if (SYSTEM_TENANT.equals(msg.getPluginTenantId())) {
-            target = pluginManager.getOrCreatePluginActor(this.context(), msg.getPluginId());
+            target = pluginManager.getOrCreateActor(this.context(), msg.getPluginId());
         } else {
             target = getOrCreateTenantActor(msg.getPluginTenantId());
         }
@@ -149,26 +153,16 @@ public class AppActor extends ContextAwareActor {
     }
 
     private void onComponentLifecycleMsg(ComponentLifecycleMsg msg) {
-        ActorRef target = null;
+        ActorRef target;
         if (SYSTEM_TENANT.equals(msg.getTenantId())) {
-            Optional<PluginId> pluginId = msg.getPluginId();
-            Optional<RuleId> ruleId = msg.getRuleId();
-            if (pluginId.isPresent()) {
-                target = pluginManager.getOrCreatePluginActor(this.context(), pluginId.get());
-            } else if (ruleId.isPresent()) {
-                Optional<ActorRef> ref = ruleManager.update(this.context(), ruleId.get(), msg.getEvent());
-                if (ref.isPresent()) {
-                    target = ref.get();
-                } else {
-                    logger.debug("Failed to find actor for rule: [{}]", ruleId);
-                    return;
-                }
-            }
+            target = getEntityActorRef(msg.getEntityId());
         } else {
             target = getOrCreateTenantActor(msg.getTenantId());
         }
         if (target != null) {
             target.tell(msg, ActorRef.noSender());
+        } else {
+            logger.debug("Invalid component lifecycle msg: {}", msg);
         }
     }
 
@@ -180,7 +174,7 @@ public class AppActor extends ContextAwareActor {
         TenantId tenantId = toDeviceActorMsg.getTenantId();
         ActorRef tenantActor = getOrCreateTenantActor(tenantId);
         if (toDeviceActorMsg.getPayload().getMsgType().requiresRulesProcessing()) {
-            tenantActor.tell(new RuleChainDeviceMsg(toDeviceActorMsg, ruleManager.getRuleChain(this.context())), context().self());
+//            tenantActor.tell(new RuleChainDeviceMsg(toDeviceActorMsg, ruleManager.getRuleChain(this.context())), context().self());
         } else {
             tenantActor.tell(toDeviceActorMsg, context().self());
         }

application/src/main/java/org/thingsboard/server/actors/device/DeviceActor.java

@@ -18,19 +18,19 @@ package org.thingsboard.server.actors.device;
 import akka.event.Logging;
 import akka.event.LoggingAdapter;
 import org.thingsboard.server.actors.ActorSystemContext;
-import org.thingsboard.server.actors.rule.RulesProcessedMsg;
 import org.thingsboard.server.actors.service.ContextAwareActor;
 import org.thingsboard.server.actors.service.ContextBasedCreator;
-import org.thingsboard.server.actors.tenant.RuleChainDeviceMsg;
 import org.thingsboard.server.common.data.id.DeviceId;
 import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.msg.TbActorMsg;
 import org.thingsboard.server.common.msg.cluster.ClusterEventMsg;
 import org.thingsboard.server.common.msg.device.ToDeviceActorMsg;
 import org.thingsboard.server.extensions.api.device.DeviceAttributesEventNotificationMsg;
 import org.thingsboard.server.extensions.api.device.DeviceCredentialsUpdateNotificationMsg;
 import org.thingsboard.server.extensions.api.device.DeviceNameOrTypeUpdateMsg;
 import org.thingsboard.server.extensions.api.device.ToDeviceActorNotificationMsg;
-import org.thingsboard.server.extensions.api.plugins.msg.*;
+import org.thingsboard.server.extensions.api.plugins.msg.TimeoutMsg;
+import org.thingsboard.server.extensions.api.plugins.msg.ToDeviceRpcRequestPluginMsg;
 
 public class DeviceActor extends ContextAwareActor {
 
@@ -47,13 +47,18 @@ public class DeviceActor extends ContextAwareActor {
         this.processor = new DeviceActorMessageProcessor(systemContext, logger, deviceId);
     }
 
+    @Override
+    protected boolean process(TbActorMsg msg) {
+        return false;
+    }
+
     @Override
     public void onReceive(Object msg) throws Exception {
-        if (msg instanceof RuleChainDeviceMsg) {
-            processor.process(context(), (RuleChainDeviceMsg) msg);
-        } else if (msg instanceof RulesProcessedMsg) {
-            processor.onRulesProcessedMsg(context(), (RulesProcessedMsg) msg);
-        } else if (msg instanceof ToDeviceActorMsg) {
+//        if (msg instanceof RuleChainDeviceMsg) {
+//            processor.process(context(), (RuleChainDeviceMsg) msg);
+//        } else if (msg instanceof RulesProcessedMsg) {
+//            processor.onRulesProcessedMsg(context(), (RulesProcessedMsg) msg);
+        if (msg instanceof ToDeviceActorMsg) {
             processor.process(context(), (ToDeviceActorMsg) msg);
         } else if (msg instanceof ToDeviceActorNotificationMsg) {
             if (msg instanceof DeviceAttributesEventNotificationMsg) {

application/src/main/java/org/thingsboard/server/actors/device/DeviceActorMessageProcessor.java

@@ -19,9 +19,7 @@ import akka.actor.ActorContext;
 import akka.actor.ActorRef;
 import akka.event.LoggingAdapter;
 import org.thingsboard.server.actors.ActorSystemContext;
-import org.thingsboard.server.actors.rule.*;
 import org.thingsboard.server.actors.shared.AbstractContextAwareMsgProcessor;
-import org.thingsboard.server.actors.tenant.RuleChainDeviceMsg;
 import org.thingsboard.server.common.data.DataConstants;
 import org.thingsboard.server.common.data.Device;
 import org.thingsboard.server.common.data.id.DeviceId;
@@ -37,15 +35,10 @@ import org.thingsboard.server.common.msg.session.FromDeviceMsg;
 import org.thingsboard.server.common.msg.session.MsgType;
 import org.thingsboard.server.common.msg.session.SessionType;
 import org.thingsboard.server.common.msg.session.ToDeviceMsg;
-import org.thingsboard.server.extensions.api.device.*;
-import org.thingsboard.server.extensions.api.plugins.msg.FromDeviceRpcResponse;
-import org.thingsboard.server.extensions.api.plugins.msg.RpcError;
-import org.thingsboard.server.extensions.api.plugins.msg.TimeoutIntMsg;
-import org.thingsboard.server.extensions.api.plugins.msg.TimeoutMsg;
-import org.thingsboard.server.extensions.api.plugins.msg.ToDeviceRpcRequest;
-import org.thingsboard.server.extensions.api.plugins.msg.ToDeviceRpcRequestBody;
-import org.thingsboard.server.extensions.api.plugins.msg.ToDeviceRpcRequestPluginMsg;
-import org.thingsboard.server.extensions.api.plugins.msg.ToPluginRpcResponseDeviceMsg;
+import org.thingsboard.server.extensions.api.device.DeviceAttributes;
+import org.thingsboard.server.extensions.api.device.DeviceAttributesEventNotificationMsg;
+import org.thingsboard.server.extensions.api.device.DeviceNameOrTypeUpdateMsg;
+import org.thingsboard.server.extensions.api.plugins.msg.*;
 
 import java.util.*;
 import java.util.concurrent.ExecutionException;
@@ -230,18 +223,18 @@ public class DeviceActorMessageProcessor extends AbstractContextAwareMsgProcesso
         }
     }
 
-    void process(ActorContext context, RuleChainDeviceMsg srcMsg) {
-        ChainProcessingMetaData md = new ChainProcessingMetaData(srcMsg.getRuleChain(),
-                srcMsg.getToDeviceActorMsg(), new DeviceMetaData(deviceId, deviceName, deviceType, deviceAttributes), context.self());
-        ChainProcessingContext ctx = new ChainProcessingContext(md);
-        if (ctx.getChainLength() > 0) {
-            RuleProcessingMsg msg = new RuleProcessingMsg(ctx);
-            ActorRef ruleActorRef = ctx.getCurrentActor();
-            ruleActorRef.tell(msg, ActorRef.noSender());
-        } else {
-            context.self().tell(new RulesProcessedMsg(ctx), context.self());
-        }
-    }
+//    void process(ActorContext context, RuleChainDeviceMsg srcMsg) {
+//        ChainProcessingMetaData md = new ChainProcessingMetaData(srcMsg.getRuleChain(),
+//                srcMsg.getToDeviceActorMsg(), new DeviceMetaData(deviceId, deviceName, deviceType, deviceAttributes), context.self());
+//        ChainProcessingContext ctx = new ChainProcessingContext(md);
+//        if (ctx.getChainLength() > 0) {
+//            RuleProcessingMsg msg = new RuleProcessingMsg(ctx);
+//            ActorRef ruleActorRef = ctx.getCurrentActor();
+//            ruleActorRef.tell(msg, ActorRef.noSender());
+//        } else {
+//            context.self().tell(new RulesProcessedMsg(ctx), context.self());
+//        }
+//    }
 
     void processRpcResponses(ActorContext context, ToDeviceActorMsg msg) {
         SessionId sessionId = msg.getSessionId();
@@ -302,18 +295,18 @@ public class DeviceActorMessageProcessor extends AbstractContextAwareMsgProcesso
         );
     }
 
-    void onRulesProcessedMsg(ActorContext context, RulesProcessedMsg msg) {
-        ChainProcessingContext ctx = msg.getCtx();
-        ToDeviceActorMsg inMsg = ctx.getInMsg();
-        SessionId sid = inMsg.getSessionId();
-        ToDeviceSessionActorMsg response;
-        if (ctx.getResponse() != null) {
-            response = new BasicToDeviceSessionActorMsg(ctx.getResponse(), sid);
-        } else {
-            response = new BasicToDeviceSessionActorMsg(ctx.getError(), sid);
-        }
-        sendMsgToSessionActor(response, inMsg.getServerAddress());
-    }
+//    void onRulesProcessedMsg(ActorContext context, RulesProcessedMsg msg) {
+//        ChainProcessingContext ctx = msg.getCtx();
+//        ToDeviceActorMsg inMsg = ctx.getInMsg();
+//        SessionId sid = inMsg.getSessionId();
+//        ToDeviceSessionActorMsg response;
+//        if (ctx.getResponse() != null) {
+//            response = new BasicToDeviceSessionActorMsg(ctx.getResponse(), sid);
+//        } else {
+//            response = new BasicToDeviceSessionActorMsg(ctx.getError(), sid);
+//        }
+//        sendMsgToSessionActor(response, inMsg.getServerAddress());
+//    }
 
     private void processSubscriptionCommands(ActorContext context, ToDeviceActorMsg msg) {
         SessionId sessionId = msg.getSessionId();

application/src/main/java/org/thingsboard/server/actors/plugin/PluginActor.java

@@ -23,6 +23,7 @@ import org.thingsboard.server.actors.service.ContextBasedCreator;
 import org.thingsboard.server.actors.stats.StatsPersistTick;
 import org.thingsboard.server.common.data.id.PluginId;
 import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.msg.TbActorMsg;
 import org.thingsboard.server.common.msg.cluster.ClusterEventMsg;
 import org.thingsboard.server.common.msg.plugin.ComponentLifecycleMsg;
 import org.thingsboard.server.extensions.api.plugins.msg.TimeoutMsg;
@@ -40,6 +41,12 @@ public class PluginActor extends ComponentActor<PluginId, PluginActorMessageProc
                 logger, context().parent(), context().self()));
     }
 
+    @Override
+    protected boolean process(TbActorMsg msg) {
+        //TODO Move everything here, to work with TbActorMsg
+        return false;
+    }
+
     @Override
     public void onReceive(Object msg) throws Exception {
         if (msg instanceof PluginWebsocketMsg) {

application/src/main/java/org/thingsboard/server/actors/plugin/PluginActorMessageProcessor.java

@@ -57,7 +57,7 @@ public class PluginActorMessageProcessor extends ComponentMsgProcessor<PluginId>
     }
 
     @Override
-    public void start() throws Exception {
+    public void start(ActorContext context) throws Exception {
         logger.info("[{}] Going to start plugin actor.", entityId);
         pluginMd = systemContext.getPluginService().findPluginById(entityId);
         if (pluginMd == null) {
@@ -76,7 +76,7 @@ public class PluginActorMessageProcessor extends ComponentMsgProcessor<PluginId>
     }
 
     @Override
-    public void stop() throws Exception {
+    public void stop(ActorContext context) throws Exception {
         onStop();
     }
 
@@ -191,7 +191,7 @@ public class PluginActorMessageProcessor extends ComponentMsgProcessor<PluginId>
             if (pluginImpl != null) {
                 pluginImpl.stop(trustedCtx);
             }
-            start();
+            start(context);
         }
     }
 
@@ -217,7 +217,7 @@ public class PluginActorMessageProcessor extends ComponentMsgProcessor<PluginId>
             pluginImpl.resume(trustedCtx);
             logger.info("[{}] Plugin resumed.", entityId);
         } else {
-            start();
+            start(context);
         }
     }
 

application/src/main/java/org/thingsboard/server/actors/rpc/RpcManagerActor.java

@@ -23,6 +23,7 @@ import org.thingsboard.server.actors.ActorSystemContext;
 import org.thingsboard.server.actors.service.ContextAwareActor;
 import org.thingsboard.server.actors.service.ContextBasedCreator;
 import org.thingsboard.server.actors.service.DefaultActorService;
+import org.thingsboard.server.common.msg.TbActorMsg;
 import org.thingsboard.server.common.msg.cluster.ClusterEventMsg;
 import org.thingsboard.server.common.msg.cluster.ServerAddress;
 import org.thingsboard.server.gen.cluster.ClusterAPIProtos;
@@ -56,6 +57,12 @@ public class RpcManagerActor extends ContextAwareActor {
 
     }
 
+    @Override
+    protected boolean process(TbActorMsg msg) {
+        //TODO Move everything here, to work with TbActorMsg
+        return false;
+    }
+
     @Override
     public void onReceive(Object msg) throws Exception {
         if (msg instanceof RpcSessionTellMsg) {

application/src/main/java/org/thingsboard/server/actors/rpc/RpcSessionActor.java

@@ -23,6 +23,7 @@ import io.grpc.stub.StreamObserver;
 import org.thingsboard.server.actors.ActorSystemContext;
 import org.thingsboard.server.actors.service.ContextAwareActor;
 import org.thingsboard.server.actors.service.ContextBasedCreator;
+import org.thingsboard.server.common.msg.TbActorMsg;
 import org.thingsboard.server.common.msg.cluster.ServerAddress;
 import org.thingsboard.server.gen.cluster.ClusterAPIProtos;
 import org.thingsboard.server.gen.cluster.ClusterRpcServiceGrpc;
@@ -47,6 +48,12 @@ public class RpcSessionActor extends ContextAwareActor {
         this.sessionId = sessionId;
     }
 
+    @Override
+    protected boolean process(TbActorMsg msg) {
+        //TODO Move everything here, to work with TbActorMsg
+        return false;
+    }
+
     @Override
     public void onReceive(Object msg) throws Exception {
         if (msg instanceof RpcSessionTellMsg) {

application/src/main/java/org/thingsboard/server/actors/rule/ChainProcessingContext.java

@@ -1,117 +0,0 @@
-/**
- * Copyright © 2016-2018 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.actors.rule;
-
-import akka.actor.ActorRef;
-import org.thingsboard.server.common.msg.core.RuleEngineError;
-import org.thingsboard.server.common.msg.core.RuleEngineErrorMsg;
-import org.thingsboard.server.common.msg.device.ToDeviceActorMsg;
-import org.thingsboard.server.common.msg.session.ToDeviceMsg;
-import org.thingsboard.server.extensions.api.device.DeviceAttributes;
-import org.thingsboard.server.extensions.api.device.DeviceMetaData;
-
-public class ChainProcessingContext {
-
-    private final ChainProcessingMetaData md;
-    private final int index;
-    private final RuleEngineError error;
-    private ToDeviceMsg response;
-
-
-    public ChainProcessingContext(ChainProcessingMetaData md) {
-        super();
-        this.md = md;
-        this.index = 0;
-        this.error = RuleEngineError.NO_RULES;
-    }
-
-    private ChainProcessingContext(ChainProcessingContext other, int indexOffset, RuleEngineError error) {
-        super();
-        this.md = other.md;
-        this.index = other.index + indexOffset;
-        this.error = error;
-        this.response = other.response;
-
-        if (this.index < 0 || this.index >= this.md.chain.size()) {
-            throw new IllegalArgumentException("Can't apply offset " + indexOffset + " to the chain!");
-        }
-    }
-
-    public ActorRef getDeviceActor() {
-        return md.originator;
-    }
-
-    public ActorRef getCurrentActor() {
-        return md.chain.getRuleActorMd(index).getActorRef();
-    }
-
-    public boolean hasNext() {
-        return (getChainLength() - 1) > index;
-    }
-
-    public boolean isFailure() {
-        return (error != null && error.isCritical()) || (response != null && !response.isSuccess());
-    }
-
-    public ChainProcessingContext getNext() {
-        return new ChainProcessingContext(this, 1, this.error);
-    }
-
-    public ChainProcessingContext withError(RuleEngineError error) {
-        if (error != null && (this.error == null || this.error.getPriority() < error.getPriority())) {
-            return new ChainProcessingContext(this, 0, error);
-        } else {
-            return this;
-        }
-    }
-
-    public int getChainLength() {
-        return md.chain.size();
-    }
-
-    public ToDeviceActorMsg getInMsg() {
-        return md.inMsg;
-    }
-
-    public DeviceMetaData getDeviceMetaData() {
-        return md.deviceMetaData;
-    }
-
-    public String getDeviceName() {
-        return md.deviceMetaData.getDeviceName();
-    }
-
-    public String getDeviceType() {
-        return md.deviceMetaData.getDeviceType();
-    }
-
-    public DeviceAttributes getAttributes() {
-        return md.deviceMetaData.getDeviceAttributes();
-    }
-
-    public ToDeviceMsg getResponse() {
-        return response;
-    }
-
-    public void mergeResponse(ToDeviceMsg response) {
-        // TODO add merge logic
-        this.response = response;
-    }
-
-    public RuleEngineErrorMsg getError() {
-        return new RuleEngineErrorMsg(md.inMsg.getPayload().getMsgType(), error);
-    }
-}

application/src/main/java/org/thingsboard/server/actors/rule/ChainProcessingMetaData.java

@@ -1,41 +0,0 @@
-/**
- * Copyright © 2016-2018 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.actors.rule;
-
-import akka.actor.ActorRef;
-import org.thingsboard.server.common.msg.device.ToDeviceActorMsg;
-import org.thingsboard.server.extensions.api.device.DeviceMetaData;
-
-/**
- * Immutable part of chain processing data;
- *
- * @author ashvayka
- */
-public final class ChainProcessingMetaData {
-
-    final RuleActorChain chain;
-    final ToDeviceActorMsg inMsg;
-    final ActorRef originator;
-    final DeviceMetaData deviceMetaData;
-
-    public ChainProcessingMetaData(RuleActorChain chain, ToDeviceActorMsg inMsg, DeviceMetaData deviceMetaData, ActorRef originator) {
-        super();
-        this.chain = chain;
-        this.inMsg = inMsg;
-        this.originator = originator;
-        this.deviceMetaData = deviceMetaData;
-    }
-}

application/src/main/java/org/thingsboard/server/actors/rule/ComplexRuleActorChain.java

@@ -1,43 +0,0 @@
-/**
- * Copyright © 2016-2018 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.actors.rule;
-
-public class ComplexRuleActorChain implements RuleActorChain {
-
-    private final RuleActorChain systemChain;
-    private final RuleActorChain tenantChain;
-
-    public ComplexRuleActorChain(RuleActorChain systemChain, RuleActorChain tenantChain) {
-        super();
-        this.systemChain = systemChain;
-        this.tenantChain = tenantChain;
-    }
-
-    @Override
-    public int size() {
-        return systemChain.size() + tenantChain.size();
-    }
-
-    @Override
-    public RuleActorMetaData getRuleActorMd(int index) {
-        if (index < systemChain.size()) {
-            return systemChain.getRuleActorMd(index);
-        } else {
-            return tenantChain.getRuleActorMd(index - systemChain.size());
-        }
-    }
-
-}

application/src/main/java/org/thingsboard/server/actors/rule/RuleActor.java

@@ -1,90 +0,0 @@
-/**
- * Copyright © 2016-2018 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.actors.rule;
-
-import org.thingsboard.server.actors.ActorSystemContext;
-import org.thingsboard.server.actors.service.ComponentActor;
-import org.thingsboard.server.actors.service.ContextBasedCreator;
-import org.thingsboard.server.actors.stats.StatsPersistTick;
-import org.thingsboard.server.common.data.id.RuleId;
-import org.thingsboard.server.common.data.id.TenantId;
-import org.thingsboard.server.common.msg.cluster.ClusterEventMsg;
-import org.thingsboard.server.common.msg.plugin.ComponentLifecycleMsg;
-import org.thingsboard.server.extensions.api.plugins.msg.PluginToRuleMsg;
-
-public class RuleActor extends ComponentActor<RuleId, RuleActorMessageProcessor> {
-
-    private RuleActor(ActorSystemContext systemContext, TenantId tenantId, RuleId ruleId) {
-        super(systemContext, tenantId, ruleId);
-        setProcessor(new RuleActorMessageProcessor(tenantId, ruleId, systemContext, logger));
-    }
-
-    @Override
-    public void onReceive(Object msg) throws Exception {
-        logger.debug("[{}] Received message: {}", id, msg);
-        if (msg instanceof RuleProcessingMsg) {
-            try {
-                processor.onRuleProcessingMsg(context(), (RuleProcessingMsg) msg);
-                increaseMessagesProcessedCount();
-            } catch (Exception e) {
-                logAndPersist("onDeviceMsg", e);
-            }
-        } else if (msg instanceof PluginToRuleMsg<?>) {
-            try {
-                processor.onPluginMsg(context(), (PluginToRuleMsg<?>) msg);
-            } catch (Exception e) {
-                logAndPersist("onPluginMsg", e);
-            }
-        } else if (msg instanceof ComponentLifecycleMsg) {
-            onComponentLifecycleMsg((ComponentLifecycleMsg) msg);
-        } else if (msg instanceof ClusterEventMsg) {
-            onClusterEventMsg((ClusterEventMsg) msg);
-        } else if (msg instanceof RuleToPluginTimeoutMsg) {
-            try {
-                processor.onTimeoutMsg(context(), (RuleToPluginTimeoutMsg) msg);
-            } catch (Exception e) {
-                logAndPersist("onTimeoutMsg", e);
-            }
-        } else if (msg instanceof StatsPersistTick) {
-            onStatsPersistTick(id);
-        } else {
-            logger.debug("[{}][{}] Unknown msg type.", tenantId, id, msg.getClass().getName());
-        }
-    }
-
-    public static class ActorCreator extends ContextBasedCreator<RuleActor> {
-        private static final long serialVersionUID = 1L;
-
-        private final TenantId tenantId;
-        private final RuleId ruleId;
-
-        public ActorCreator(ActorSystemContext context, TenantId tenantId, RuleId ruleId) {
-            super(context);
-            this.tenantId = tenantId;
-            this.ruleId = ruleId;
-        }
-
-        @Override
-        public RuleActor create() throws Exception {
-            return new RuleActor(context, tenantId, ruleId);
-        }
-    }
-
-    @Override
-    protected long getErrorPersistFrequency() {
-        return systemContext.getRuleErrorPersistFrequency();
-    }
-}

application/src/main/java/org/thingsboard/server/actors/rule/RuleActorMessageProcessor.java

@@ -1,345 +0,0 @@
-/**
- * Copyright © 2016-2018 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.actors.rule;
-
-import java.util.*;
-
-import com.fasterxml.jackson.core.JsonProcessingException;
-import org.springframework.util.StringUtils;
-import org.thingsboard.server.actors.ActorSystemContext;
-import org.thingsboard.server.actors.plugin.RuleToPluginMsgWrapper;
-import org.thingsboard.server.actors.shared.ComponentMsgProcessor;
-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.plugin.ComponentLifecycleState;
-import org.thingsboard.server.common.data.plugin.PluginMetaData;
-import org.thingsboard.server.common.data.rule.RuleMetaData;
-import org.thingsboard.server.common.msg.cluster.ClusterEventMsg;
-import org.thingsboard.server.common.msg.core.BasicRequest;
-import org.thingsboard.server.common.msg.core.BasicStatusCodeResponse;
-import org.thingsboard.server.common.msg.core.RuleEngineError;
-import org.thingsboard.server.common.msg.device.ToDeviceActorMsg;
-import org.thingsboard.server.common.msg.session.MsgType;
-import org.thingsboard.server.common.msg.session.ToDeviceMsg;
-import org.thingsboard.server.common.msg.session.ex.ProcessingTimeoutException;
-import org.thingsboard.server.extensions.api.rules.*;
-import org.thingsboard.server.extensions.api.plugins.PluginAction;
-import org.thingsboard.server.extensions.api.plugins.msg.PluginToRuleMsg;
-import org.thingsboard.server.extensions.api.plugins.msg.RuleToPluginMsg;
-
-import com.fasterxml.jackson.databind.JsonNode;
-
-import akka.actor.ActorContext;
-import akka.actor.ActorRef;
-import akka.event.LoggingAdapter;
-
-class RuleActorMessageProcessor extends ComponentMsgProcessor<RuleId> {
-
-    private final RuleProcessingContext ruleCtx;
-    private final Map<UUID, RuleProcessingMsg> pendingMsgMap;
-
-    private RuleMetaData ruleMd;
-    private ComponentLifecycleState state;
-    private List<RuleFilter> filters;
-    private RuleProcessor processor;
-    private PluginAction action;
-
-    private TenantId pluginTenantId;
-    private PluginId pluginId;
-
-    protected RuleActorMessageProcessor(TenantId tenantId, RuleId ruleId, ActorSystemContext systemContext, LoggingAdapter logger) {
-        super(systemContext, logger, tenantId, ruleId);
-        this.pendingMsgMap = new HashMap<>();
-        this.ruleCtx = new RuleProcessingContext(systemContext, ruleId);
-    }
-
-    @Override
-    public void start() throws Exception {
-        logger.info("[{}][{}] Starting rule actor.", entityId, tenantId);
-        ruleMd = systemContext.getRuleService().findRuleById(entityId);
-        if (ruleMd == null) {
-            throw new RuleInitializationException("Rule not found!");
-        }
-        state = ruleMd.getState();
-        if (state == ComponentLifecycleState.ACTIVE) {
-            logger.info("[{}] Rule is active. Going to initialize rule components.", entityId);
-            initComponent();
-        } else {
-            logger.info("[{}] Rule is suspended. Skipping rule components initialization.", entityId);
-        }
-
-        logger.info("[{}][{}] Started rule actor.", entityId, tenantId);
-    }
-
-    @Override
-    public void stop() throws Exception {
-        onStop();
-    }
-
-
-    private void initComponent() throws RuleException {
-        try {
-            if (!ruleMd.getFilters().isArray()) {
-                throw new RuntimeException("Filters are not array!");
-            }
-            fetchPluginInfo();
-            initFilters();
-            initProcessor();
-            initAction();
-        } catch (RuntimeException e) {
-            throw new RuleInitializationException("Unknown runtime exception!", e);
-        } catch (InstantiationException e) {
-            throw new RuleInitializationException("No default constructor for rule implementation!", e);
-        } catch (IllegalAccessException e) {
-            throw new RuleInitializationException("Illegal Access Exception during rule initialization!", e);
-        } catch (ClassNotFoundException e) {
-            throw new RuleInitializationException("Rule Class not found!", e);
-        } catch (Exception e) {
-            throw new RuleException(e.getMessage(), e);
-        }
-    }
-
-    private void initAction() throws Exception {
-        if (ruleMd.getAction() != null && !ruleMd.getAction().isNull()) {
-            action = initComponent(ruleMd.getAction());
-        }
-    }
-
-    private void initProcessor() throws Exception {
-        if (ruleMd.getProcessor() != null && !ruleMd.getProcessor().isNull()) {
-            processor = initComponent(ruleMd.getProcessor());
-        }
-    }
-
-    private void initFilters() throws Exception {
-        filters = new ArrayList<>(ruleMd.getFilters().size());
-        for (int i = 0; i < ruleMd.getFilters().size(); i++) {
-            filters.add(initComponent(ruleMd.getFilters().get(i)));
-        }
-    }
-
-    private void fetchPluginInfo() {
-        if (!StringUtils.isEmpty(ruleMd.getPluginToken())) {
-            PluginMetaData pluginMd = systemContext.getPluginService().findPluginByApiToken(ruleMd.getPluginToken());
-            pluginTenantId = pluginMd.getTenantId();
-            pluginId = pluginMd.getId();
-        }
-    }
-
-    protected void onRuleProcessingMsg(ActorContext context, RuleProcessingMsg msg) throws RuleException {
-        if (state != ComponentLifecycleState.ACTIVE) {
-            pushToNextRule(context, msg.getCtx(), RuleEngineError.NO_ACTIVE_RULES);
-            return;
-        }
-        ChainProcessingContext chainCtx = msg.getCtx();
-        ToDeviceActorMsg inMsg = chainCtx.getInMsg();
-
-        ruleCtx.update(inMsg, chainCtx.getDeviceMetaData());
-
-        logger.debug("[{}] Going to filter in msg: {}", entityId, inMsg);
-        for (RuleFilter filter : filters) {
-            if (!filter.filter(ruleCtx, inMsg)) {
-                logger.debug("[{}] In msg is NOT valid for processing by current rule: {}", entityId, inMsg);
-                pushToNextRule(context, msg.getCtx(), RuleEngineError.NO_FILTERS_MATCHED);
-                return;
-            }
-        }
-        RuleProcessingMetaData inMsgMd;
-        if (processor != null) {
-            logger.debug("[{}] Going to process in msg: {}", entityId, inMsg);
-            inMsgMd = processor.process(ruleCtx, inMsg);
-        } else {
-            inMsgMd = new RuleProcessingMetaData();
-        }
-        logger.debug("[{}] Going to convert in msg: {}", entityId, inMsg);
-        if (action != null) {
-            Optional<RuleToPluginMsg<?>> ruleToPluginMsgOptional = action.convert(ruleCtx, inMsg, inMsgMd);
-            if (ruleToPluginMsgOptional.isPresent()) {
-                RuleToPluginMsg<?> ruleToPluginMsg = ruleToPluginMsgOptional.get();
-                logger.debug("[{}] Device msg is converted to: {}", entityId, ruleToPluginMsg);
-                context.parent().tell(new RuleToPluginMsgWrapper(pluginTenantId, pluginId, tenantId, entityId, ruleToPluginMsg), context.self());
-                if (action.isOneWayAction()) {
-                    pushToNextRule(context, msg.getCtx(), RuleEngineError.NO_TWO_WAY_ACTIONS);
-                    return;
-                } else {
-                    pendingMsgMap.put(ruleToPluginMsg.getUid(), msg);
-                    scheduleMsgWithDelay(context, new RuleToPluginTimeoutMsg(ruleToPluginMsg.getUid()), systemContext.getPluginProcessingTimeout());
-                    return;
-                }
-            }
-        }
-        logger.debug("[{}] Nothing to send to plugin: {}", entityId, pluginId);
-        pushToNextRule(context, msg.getCtx(), RuleEngineError.NO_TWO_WAY_ACTIONS);
-    }
-
-    void onPluginMsg(ActorContext context, PluginToRuleMsg<?> msg) {
-        RuleProcessingMsg pendingMsg = pendingMsgMap.remove(msg.getUid());
-        if (pendingMsg != null) {
-            ChainProcessingContext ctx = pendingMsg.getCtx();
-            Optional<ToDeviceMsg> ruleResponseOptional = action.convert(msg);
-            if (ruleResponseOptional.isPresent()) {
-                ctx.mergeResponse(ruleResponseOptional.get());
-                pushToNextRule(context, ctx, null);
-            } else {
-                pushToNextRule(context, ctx, RuleEngineError.NO_RESPONSE_FROM_ACTIONS);
-            }
-        } else {
-            logger.warning("[{}] Processing timeout detected: [{}]", entityId, msg.getUid());
-        }
-    }
-
-    void onTimeoutMsg(ActorContext context, RuleToPluginTimeoutMsg msg) {
-        RuleProcessingMsg pendingMsg = pendingMsgMap.remove(msg.getMsgId());
-        if (pendingMsg != null) {
-            logger.debug("[{}] Processing timeout detected [{}]: {}", entityId, msg.getMsgId(), pendingMsg);
-            ChainProcessingContext ctx = pendingMsg.getCtx();
-            pushToNextRule(context, ctx, RuleEngineError.PLUGIN_TIMEOUT);
-        }
-    }
-
-    private void pushToNextRule(ActorContext context, ChainProcessingContext ctx, RuleEngineError error) {
-        if (error != null) {
-            ctx = ctx.withError(error);
-        }
-        if (ctx.isFailure()) {
-            logger.debug("[{}][{}] Forwarding processing chain to device actor due to failure.", ruleMd.getId(), ctx.getInMsg().getDeviceId());
-            ctx.getDeviceActor().tell(new RulesProcessedMsg(ctx), ActorRef.noSender());
-        } else if (!ctx.hasNext()) {
-            logger.debug("[{}][{}] Forwarding processing chain to device actor due to end of chain.", ruleMd.getId(), ctx.getInMsg().getDeviceId());
-            ctx.getDeviceActor().tell(new RulesProcessedMsg(ctx), ActorRef.noSender());
-        } else {
-            logger.debug("[{}][{}] Forwarding processing chain to next rule actor.", ruleMd.getId(), ctx.getInMsg().getDeviceId());
-            ChainProcessingContext nextTask = ctx.getNext();
-            nextTask.getCurrentActor().tell(new RuleProcessingMsg(nextTask), context.self());
-        }
-    }
-
-    @Override
-    public void onCreated(ActorContext context) {
-        logger.info("[{}] Going to process onCreated rule.", entityId);
-    }
-
-    @Override
-    public void onUpdate(ActorContext context) throws RuleException {
-        RuleMetaData oldRuleMd = ruleMd;
-        ruleMd = systemContext.getRuleService().findRuleById(entityId);
-        logger.info("[{}] Rule configuration was updated from {} to {}.", entityId, oldRuleMd, ruleMd);
-        try {
-            fetchPluginInfo();
-            if (filters == null || !Objects.equals(oldRuleMd.getFilters(), ruleMd.getFilters())) {
-                logger.info("[{}] Rule filters require restart due to json change from {} to {}.",
-                        entityId, mapper.writeValueAsString(oldRuleMd.getFilters()), mapper.writeValueAsString(ruleMd.getFilters()));
-                stopFilters();
-                initFilters();
-            }
-            if (processor == null || !Objects.equals(oldRuleMd.getProcessor(), ruleMd.getProcessor())) {
-                logger.info("[{}] Rule processor require restart due to configuration change.", entityId);
-                stopProcessor();
-                initProcessor();
-            }
-            if (action == null || !Objects.equals(oldRuleMd.getAction(), ruleMd.getAction())) {
-                logger.info("[{}] Rule action require restart due to configuration change.", entityId);
-                stopAction();
-                initAction();
-            }
-        } catch (RuntimeException e) {
-            throw new RuleInitializationException("Unknown runtime exception!", e);
-        } catch (InstantiationException e) {
-            throw new RuleInitializationException("No default constructor for rule implementation!", e);
-        } catch (IllegalAccessException e) {
-            throw new RuleInitializationException("Illegal Access Exception during rule initialization!", e);
-        } catch (ClassNotFoundException e) {
-            throw new RuleInitializationException("Rule Class not found!", e);
-        } catch (JsonProcessingException e) {
-            throw new RuleInitializationException("Rule configuration is invalid!", e);
-        } catch (Exception e) {
-            throw new RuleInitializationException(e.getMessage(), e);
-        }
-    }
-
-    @Override
-    public void onActivate(ActorContext context) throws Exception {
-        logger.info("[{}] Going to process onActivate rule.", entityId);
-        this.state = ComponentLifecycleState.ACTIVE;
-        if (filters != null) {
-            filters.forEach(RuleLifecycleComponent::resume);
-            if (processor != null) {
-                processor.resume();
-            } else {
-                initProcessor();
-            }
-            if (action != null) {
-                action.resume();
-            }
-            logger.info("[{}] Rule resumed.", entityId);
-        } else {
-            start();
-        }
-    }
-
-    @Override
-    public void onSuspend(ActorContext context) {
-        logger.info("[{}] Going to process onSuspend rule.", entityId);
-        this.state = ComponentLifecycleState.SUSPENDED;
-        if (filters != null) {
-            filters.forEach(f -> f.suspend());
-        }
-        if (processor != null) {
-            processor.suspend();
-        }
-        if (action != null) {
-            action.suspend();
-        }
-    }
-
-    @Override
-    public void onStop(ActorContext context) {
-        logger.info("[{}] Going to process onStop rule.", entityId);
-        onStop();
-        scheduleMsgWithDelay(context, new RuleTerminationMsg(entityId), systemContext.getRuleActorTerminationDelay());
-    }
-
-    private void onStop() {
-        this.state = ComponentLifecycleState.SUSPENDED;
-        stopFilters();
-        stopProcessor();
-        stopAction();
-    }
-
-    @Override
-    public void onClusterEventMsg(ClusterEventMsg msg) throws Exception {
-        //Do nothing
-    }
-
-    private void stopAction() {
-        if (action != null) {
-            action.stop();
-        }
-    }
-
-    private void stopProcessor() {
-        if (processor != null) {
-            processor.stop();
-        }
-    }
-
-    private void stopFilters() {
-        if (filters != null) {
-            filters.forEach(f -> f.stop());
-        }
-    }
-}

application/src/main/java/org/thingsboard/server/actors/rule/RuleActorMetaData.java

@@ -1,107 +0,0 @@
-/**
- * Copyright © 2016-2018 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.actors.rule;
-
-import java.util.Comparator;
-
-import org.thingsboard.server.common.data.id.RuleId;
-
-import akka.actor.ActorRef;
-
-public class RuleActorMetaData {
-
-    private final RuleId ruleId;
-    private final boolean systemRule;
-    private final int weight;
-    private final ActorRef actorRef;
-
-    public static final Comparator<RuleActorMetaData> RULE_ACTOR_MD_COMPARATOR = new Comparator<RuleActorMetaData>() {
-
-        @Override
-        public int compare(RuleActorMetaData r1, RuleActorMetaData r2) {
-            if (r1.isSystemRule() && !r2.isSystemRule()) {
-                return 1;
-            } else if (!r1.isSystemRule() && r2.isSystemRule()) {
-                return -1;
-            } else {
-                return Integer.compare(r2.getWeight(), r1.getWeight());
-            }
-        }
-    };
-
-    public static RuleActorMetaData systemRule(RuleId ruleId, int weight, ActorRef actorRef) {
-        return new RuleActorMetaData(ruleId, true, weight, actorRef);
-    }
-
-    public static RuleActorMetaData tenantRule(RuleId ruleId, int weight, ActorRef actorRef) {
-        return new RuleActorMetaData(ruleId, false, weight, actorRef);
-    }
-
-    private RuleActorMetaData(RuleId ruleId, boolean systemRule, int weight, ActorRef actorRef) {
-        super();
-        this.ruleId = ruleId;
-        this.systemRule = systemRule;
-        this.weight = weight;
-        this.actorRef = actorRef;
-    }
-
-    public RuleId getRuleId() {
-        return ruleId;
-    }
-
-    public boolean isSystemRule() {
-        return systemRule;
-    }
-
-    public int getWeight() {
-        return weight;
-    }
-
-    public ActorRef getActorRef() {
-        return actorRef;
-    }
-
-    @Override
-    public int hashCode() {
-        final int prime = 31;
-        int result = 1;
-        result = prime * result + ((ruleId == null) ? 0 : ruleId.hashCode());
-        return result;
-    }
-
-    @Override
-    public boolean equals(Object obj) {
-        if (this == obj)
-            return true;
-        if (obj == null)
-            return false;
-        if (getClass() != obj.getClass())
-            return false;
-        RuleActorMetaData other = (RuleActorMetaData) obj;
-        if (ruleId == null) {
-            if (other.ruleId != null)
-                return false;
-        } else if (!ruleId.equals(other.ruleId))
-            return false;
-        return true;
-    }
-
-    @Override
-    public String toString() {
-        return "RuleActorMetaData [ruleId=" + ruleId + ", systemRule=" + systemRule + ", weight=" + weight + ", actorRef=" + actorRef + "]";
-    }
-
-}

application/src/main/java/org/thingsboard/server/actors/rule/RuleProcessingContext.java

@@ -1,115 +0,0 @@
-/**
- * Copyright © 2016-2018 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.actors.rule;
-
-import com.google.common.util.concurrent.ListenableFuture;
-import org.thingsboard.server.actors.ActorSystemContext;
-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.id.*;
-import org.thingsboard.server.dao.alarm.AlarmService;
-import org.thingsboard.server.dao.event.EventService;
-import org.thingsboard.server.dao.timeseries.TimeseriesService;
-import org.thingsboard.server.common.msg.device.ToDeviceActorMsg;
-import org.thingsboard.server.extensions.api.device.DeviceMetaData;
-import org.thingsboard.server.extensions.api.rules.RuleContext;
-
-import java.util.Optional;
-import java.util.concurrent.ExecutionException;
-
-public class RuleProcessingContext implements RuleContext {
-
-    private final TimeseriesService tsService;
-    private final EventService eventService;
-    private final AlarmService alarmService;
-    private final RuleId ruleId;
-    private TenantId tenantId;
-    private CustomerId customerId;
-    private DeviceId deviceId;
-    private DeviceMetaData deviceMetaData;
-
-    RuleProcessingContext(ActorSystemContext systemContext, RuleId ruleId) {
-        this.tsService = systemContext.getTsService();
-        this.eventService = systemContext.getEventService();
-        this.alarmService = systemContext.getAlarmService();
-        this.ruleId = ruleId;
-    }
-
-    void update(ToDeviceActorMsg toDeviceActorMsg, DeviceMetaData deviceMetaData) {
-        this.tenantId = toDeviceActorMsg.getTenantId();
-        this.customerId = toDeviceActorMsg.getCustomerId();
-        this.deviceId = toDeviceActorMsg.getDeviceId();
-        this.deviceMetaData = deviceMetaData;
-    }
-
-    @Override
-    public RuleId getRuleId() {
-        return ruleId;
-    }
-
-    @Override
-    public DeviceMetaData getDeviceMetaData() {
-        return deviceMetaData;
-    }
-
-    @Override
-    public Event save(Event event) {
-        checkEvent(event);
-        return eventService.save(event);
-    }
-
-    @Override
-    public Optional<Event> saveIfNotExists(Event event) {
-        checkEvent(event);
-        return eventService.saveIfNotExists(event);
-    }
-
-    @Override
-    public Optional<Event> findEvent(String eventType, String eventUid) {
-        return eventService.findEvent(tenantId, deviceId, eventType, eventUid);
-    }
-
-    @Override
-    public Alarm createOrUpdateAlarm(Alarm alarm) {
-        alarm.setTenantId(tenantId);
-        return alarmService.createOrUpdateAlarm(alarm);
-    }
-
-    public Optional<Alarm> findLatestAlarm(EntityId originator, String alarmType) {
-        try {
-            return Optional.ofNullable(alarmService.findLatestByOriginatorAndType(tenantId, originator, alarmType).get());
-        } catch (InterruptedException | ExecutionException e) {
-            throw new RuntimeException("Failed to lookup alarm!", e);
-        }
-    }
-
-    @Override
-    public ListenableFuture<Boolean> clearAlarm(AlarmId alarmId, long clearTs) {
-        return alarmService.clearAlarm(alarmId, clearTs);
-    }
-
-    private void checkEvent(Event event) {
-        if (event.getTenantId() == null) {
-            event.setTenantId(tenantId);
-        } else if (!tenantId.equals(event.getTenantId())) {
-            throw new IllegalArgumentException("Invalid Tenant id!");
-        }
-        if (event.getEntityId() == null) {
-            event.setEntityId(deviceId);
-        }
-    }
-}

application/src/main/java/org/thingsboard/server/actors/rule/RuleToPluginTimeoutMsg.java

@@ -1,36 +0,0 @@
-/**
- * Copyright © 2016-2018 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.actors.rule;
-
-import java.io.Serializable;
-import java.util.UUID;
-
-public class RuleToPluginTimeoutMsg implements Serializable {
-
-    private static final long serialVersionUID = 1L;
-
-    private final UUID msgId;
-
-    public RuleToPluginTimeoutMsg(UUID msgId) {
-        super();
-        this.msgId = msgId;
-    }
-
-    public UUID getMsgId() {
-        return msgId;
-    }
-
-}

application/src/main/java/org/thingsboard/server/actors/ruleChain/DefaultTbContext.java

@@ -0,0 +1,154 @@
+/**
+ * Copyright © 2016-2018 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.actors.ruleChain;
+
+import org.thingsboard.rule.engine.api.ListeningExecutor;
+import org.thingsboard.rule.engine.api.TbContext;
+import org.thingsboard.server.actors.ActorSystemContext;
+import org.thingsboard.server.common.msg.TbMsg;
+import org.thingsboard.server.common.msg.cluster.ServerAddress;
+import org.thingsboard.server.dao.alarm.AlarmService;
+import org.thingsboard.server.dao.asset.AssetService;
+import org.thingsboard.server.dao.attributes.AttributesService;
+import org.thingsboard.server.dao.customer.CustomerService;
+import org.thingsboard.server.dao.device.DeviceService;
+import org.thingsboard.server.dao.plugin.PluginService;
+import org.thingsboard.server.dao.relation.RelationService;
+import org.thingsboard.server.dao.rule.RuleChainService;
+import org.thingsboard.server.dao.timeseries.TimeseriesService;
+import org.thingsboard.server.dao.user.UserService;
+
+import java.util.Set;
+
+/**
+ * Created by ashvayka on 19.03.18.
+ */
+class DefaultTbContext implements TbContext {
+
+    private final ActorSystemContext mainCtx;
+    private final RuleNodeCtx nodeCtx;
+
+    public DefaultTbContext(ActorSystemContext mainCtx, RuleNodeCtx nodeCtx) {
+        this.mainCtx = mainCtx;
+        this.nodeCtx = nodeCtx;
+    }
+
+    @Override
+    public void tellNext(TbMsg msg) {
+        tellNext(msg, (String) null);
+    }
+
+    @Override
+    public void tellNext(TbMsg msg, String relationType) {
+        if (nodeCtx.getSelf().isDebugMode()) {
+            mainCtx.persistDebugOutput(nodeCtx.getTenantId(), nodeCtx.getSelf().getId(), msg);
+        }
+        nodeCtx.getChainActor().tell(new RuleNodeToRuleChainTellNextMsg(nodeCtx.getSelf().getId(), relationType, msg), nodeCtx.getSelfActor());
+    }
+
+    @Override
+    public void tellSelf(TbMsg msg, long delayMs) {
+        throw new RuntimeException("Not Implemented!");
+    }
+
+    @Override
+    public void tellOthers(TbMsg msg) {
+        throw new RuntimeException("Not Implemented!");
+    }
+
+    @Override
+    public void tellSibling(TbMsg msg, ServerAddress address) {
+        throw new RuntimeException("Not Implemented!");
+    }
+
+    @Override
+    public void spawn(TbMsg msg) {
+        throw new RuntimeException("Not Implemented!");
+    }
+
+    @Override
+    public void ack(TbMsg msg) {
+
+    }
+
+    @Override
+    public void tellError(TbMsg msg, Throwable th) {
+        if (nodeCtx.getSelf().isDebugMode()) {
+            mainCtx.persistDebugOutput(nodeCtx.getTenantId(), nodeCtx.getSelf().getId(), msg, th);
+        }
+        nodeCtx.getSelfActor().tell(new RuleNodeToSelfErrorMsg(msg, th), nodeCtx.getSelfActor());
+    }
+
+    @Override
+    public void tellNext(TbMsg msg, Set<String> relationTypes) {
+        relationTypes.forEach(type -> tellNext(msg, type));
+    }
+
+    @Override
+    public ListeningExecutor getJsExecutor() {
+        return mainCtx.getExecutor();
+    }
+
+    @Override
+    public AttributesService getAttributesService() {
+        return mainCtx.getAttributesService();
+    }
+
+    @Override
+    public CustomerService getCustomerService() {
+        return mainCtx.getCustomerService();
+    }
+
+    @Override
+    public UserService getUserService() {
+        return mainCtx.getUserService();
+    }
+
+    @Override
+    public PluginService getPluginService() {
+        return mainCtx.getPluginService();
+    }
+
+    @Override
+    public AssetService getAssetService() {
+        return mainCtx.getAssetService();
+    }
+
+    @Override
+    public DeviceService getDeviceService() {
+        return mainCtx.getDeviceService();
+    }
+
+    @Override
+    public AlarmService getAlarmService() {
+        return mainCtx.getAlarmService();
+    }
+
+    @Override
+    public RuleChainService getRuleChainService() {
+        return mainCtx.getRuleChainService();
+    }
+
+    @Override
+    public TimeseriesService getTimeseriesService() {
+        return mainCtx.getTsService();
+    }
+
+    @Override
+    public RelationService getRelationService() {
+        return mainCtx.getRelationService();
+    }
+}

application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleChainActor.java

@@ -0,0 +1,88 @@
+/**
+ * Copyright © 2016-2018 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.actors.ruleChain;
+
+import akka.actor.OneForOneStrategy;
+import akka.actor.SupervisorStrategy;
+import org.thingsboard.server.actors.ActorSystemContext;
+import org.thingsboard.server.actors.service.ComponentActor;
+import org.thingsboard.server.actors.service.ContextBasedCreator;
+import org.thingsboard.server.common.data.id.RuleChainId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.msg.TbActorMsg;
+import org.thingsboard.server.common.msg.plugin.ComponentLifecycleMsg;
+import org.thingsboard.server.common.msg.system.ServiceToRuleEngineMsg;
+import scala.concurrent.duration.Duration;
+
+public class RuleChainActor extends ComponentActor<RuleChainId, RuleChainActorMessageProcessor> {
+
+    private RuleChainActor(ActorSystemContext systemContext, TenantId tenantId, RuleChainId ruleChainId) {
+        super(systemContext, tenantId, ruleChainId);
+        setProcessor(new RuleChainActorMessageProcessor(tenantId, ruleChainId, systemContext,
+                logger, context().parent(), context().self()));
+    }
+
+    @Override
+    protected boolean process(TbActorMsg msg) {
+        switch (msg.getMsgType()) {
+            case COMPONENT_LIFE_CYCLE_MSG:
+                onComponentLifecycleMsg((ComponentLifecycleMsg) msg);
+                break;
+            case SERVICE_TO_RULE_ENGINE_MSG:
+                processor.onServiceToRuleEngineMsg((ServiceToRuleEngineMsg) msg);
+                break;
+            case RULE_TO_RULE_CHAIN_TELL_NEXT_MSG:
+                processor.onTellNext((RuleNodeToRuleChainTellNextMsg) msg);
+                break;
+            default:
+                return false;
+        }
+        return true;
+    }
+
+    public static class ActorCreator extends ContextBasedCreator<RuleChainActor> {
+        private static final long serialVersionUID = 1L;
+
+        private final TenantId tenantId;
+        private final RuleChainId ruleChainId;
+
+        public ActorCreator(ActorSystemContext context, TenantId tenantId, RuleChainId pluginId) {
+            super(context);
+            this.tenantId = tenantId;
+            this.ruleChainId = pluginId;
+        }
+
+        @Override
+        public RuleChainActor create() throws Exception {
+            return new RuleChainActor(context, tenantId, ruleChainId);
+        }
+    }
+
+    @Override
+    protected long getErrorPersistFrequency() {
+        return systemContext.getRuleChainErrorPersistFrequency();
+    }
+
+    @Override
+    public SupervisorStrategy supervisorStrategy() {
+        return strategy;
+    }
+
+    private final SupervisorStrategy strategy = new OneForOneStrategy(3, Duration.create("1 minute"), t -> {
+        logAndPersist("Unknown Failure", ActorSystemContext.toException(t));
+        return SupervisorStrategy.resume();
+    });
+}

application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleChainActorMessageProcessor.java

@@ -0,0 +1,194 @@
+/**
+ * Copyright © 2016-2018 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.actors.ruleChain;
+
+import akka.actor.ActorContext;
+import akka.actor.ActorRef;
+import akka.actor.Props;
+import akka.event.LoggingAdapter;
+import org.thingsboard.server.actors.ActorSystemContext;
+import org.thingsboard.server.actors.service.DefaultActorService;
+import org.thingsboard.server.actors.shared.ComponentMsgProcessor;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.id.RuleChainId;
+import org.thingsboard.server.common.data.id.RuleNodeId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.plugin.ComponentLifecycleEvent;
+import org.thingsboard.server.common.data.plugin.ComponentLifecycleState;
+import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.common.data.rule.RuleChain;
+import org.thingsboard.server.common.data.rule.RuleNode;
+import org.thingsboard.server.common.msg.TbMsg;
+import org.thingsboard.server.common.msg.cluster.ClusterEventMsg;
+import org.thingsboard.server.common.msg.plugin.ComponentLifecycleMsg;
+import org.thingsboard.server.common.msg.system.ServiceToRuleEngineMsg;
+import org.thingsboard.server.dao.rule.RuleChainService;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+/**
+ * @author Andrew Shvayka
+ */
+public class RuleChainActorMessageProcessor extends ComponentMsgProcessor<RuleChainId> {
+
+    private final ActorRef parent;
+    private final ActorRef self;
+    private final Map<RuleNodeId, RuleNodeCtx> nodeActors;
+    private final Map<RuleNodeId, List<RuleNodeRelation>> nodeRoutes;
+    private final RuleChainService service;
+
+    private RuleNodeId firstId;
+    private RuleNodeCtx firstNode;
+
+    RuleChainActorMessageProcessor(TenantId tenantId, RuleChainId ruleChainId, ActorSystemContext systemContext
+            , LoggingAdapter logger, ActorRef parent, ActorRef self) {
+        super(systemContext, logger, tenantId, ruleChainId);
+        this.parent = parent;
+        this.self = self;
+        this.nodeActors = new HashMap<>();
+        this.nodeRoutes = new HashMap<>();
+        this.service = systemContext.getRuleChainService();
+    }
+
+    @Override
+    public void start(ActorContext context) throws Exception {
+        RuleChain ruleChain = service.findRuleChainById(entityId);
+        List<RuleNode> ruleNodeList = service.getRuleChainNodes(entityId);
+        // Creating and starting the actors;
+        for (RuleNode ruleNode : ruleNodeList) {
+            ActorRef ruleNodeActor = createRuleNodeActor(context, ruleNode);
+            nodeActors.put(ruleNode.getId(), new RuleNodeCtx(tenantId, self, ruleNodeActor, ruleNode));
+        }
+        initRoutes(ruleChain, ruleNodeList);
+    }
+
+    @Override
+    public void onUpdate(ActorContext context) throws Exception {
+        RuleChain ruleChain = service.findRuleChainById(entityId);
+        List<RuleNode> ruleNodeList = service.getRuleChainNodes(entityId);
+
+        for (RuleNode ruleNode : ruleNodeList) {
+            RuleNodeCtx existing = nodeActors.get(ruleNode.getId());
+            if (existing == null) {
+                ActorRef ruleNodeActor = createRuleNodeActor(context, ruleNode);
+                nodeActors.put(ruleNode.getId(), new RuleNodeCtx(tenantId, self, ruleNodeActor, ruleNode));
+            } else {
+                existing.getSelfActor().tell(new ComponentLifecycleMsg(tenantId, existing.getSelf().getId(), ComponentLifecycleEvent.UPDATED), self);
+            }
+        }
+
+        Set<RuleNodeId> existingNodes = ruleNodeList.stream().map(RuleNode::getId).collect(Collectors.toSet());
+        List<RuleNodeId> removedRules = nodeActors.keySet().stream().filter(node -> !existingNodes.contains(node)).collect(Collectors.toList());
+        removedRules.forEach(ruleNodeId -> {
+            RuleNodeCtx removed = nodeActors.remove(ruleNodeId);
+            removed.getSelfActor().tell(new ComponentLifecycleMsg(tenantId, removed.getSelf().getId(), ComponentLifecycleEvent.DELETED), self);
+        });
+
+        initRoutes(ruleChain, ruleNodeList);
+    }
+
+    @Override
+    public void stop(ActorContext context) throws Exception {
+        nodeActors.values().stream().map(RuleNodeCtx::getSelfActor).forEach(context::stop);
+        nodeActors.clear();
+        nodeRoutes.clear();
+        context.stop(self);
+    }
+
+    @Override
+    public void onClusterEventMsg(ClusterEventMsg msg) throws Exception {
+
+    }
+
+    private ActorRef createRuleNodeActor(ActorContext context, RuleNode ruleNode) {
+        String dispatcherName = tenantId.getId().equals(EntityId.NULL_UUID) ?
+                DefaultActorService.SYSTEM_RULE_DISPATCHER_NAME : DefaultActorService.TENANT_RULE_DISPATCHER_NAME;
+        return context.actorOf(
+                Props.create(new RuleNodeActor.ActorCreator(systemContext, tenantId, entityId, ruleNode.getId()))
+                        .withDispatcher(dispatcherName), ruleNode.getId().toString());
+    }
+
+    private void initRoutes(RuleChain ruleChain, List<RuleNode> ruleNodeList) {
+        nodeRoutes.clear();
+        // Populating the routes map;
+        for (RuleNode ruleNode : ruleNodeList) {
+            List<EntityRelation> relations = service.getRuleNodeRelations(ruleNode.getId());
+            for (EntityRelation relation : relations) {
+                if (relation.getTo().getEntityType() == EntityType.RULE_NODE) {
+                    RuleNodeCtx ruleNodeCtx = nodeActors.get(new RuleNodeId(relation.getTo().getId()));
+                    if (ruleNodeCtx == null) {
+                        throw new IllegalArgumentException("Rule Node [" + relation.getFrom() + "] has invalid relation to Rule node [" + relation.getTo() + "]");
+                    }
+                }
+                nodeRoutes.computeIfAbsent(ruleNode.getId(), k -> new ArrayList<>())
+                        .add(new RuleNodeRelation(ruleNode.getId(), relation.getTo(), relation.getType()));
+            }
+        }
+
+        firstId = ruleChain.getFirstRuleNodeId();
+        firstNode = nodeActors.get(ruleChain.getFirstRuleNodeId());
+        state = ComponentLifecycleState.ACTIVE;
+    }
+
+    void onServiceToRuleEngineMsg(ServiceToRuleEngineMsg envelope) {
+        checkActive();
+        TbMsg tbMsg = envelope.getTbMsg();
+        //TODO: push to queue and act on ack in async way
+        pushMstToNode(firstNode, tbMsg);
+    }
+
+    void onTellNext(RuleNodeToRuleChainTellNextMsg envelope) {
+        checkActive();
+        RuleNodeId originator = envelope.getOriginator();
+        String targetRelationType = envelope.getRelationType();
+        List<RuleNodeRelation> relations = nodeRoutes.get(originator);
+        if (relations == null) {
+            return;
+        }
+        boolean copy = relations.size() > 1;
+        for (RuleNodeRelation relation : relations) {
+            TbMsg msg = envelope.getMsg();
+            if (copy) {
+                msg = msg.copy();
+            }
+            if (targetRelationType == null || targetRelationType.equalsIgnoreCase(relation.getType())) {
+                switch (relation.getOut().getEntityType()) {
+                    case RULE_NODE:
+                        RuleNodeId targetRuleNodeId = new RuleNodeId(relation.getOut().getId());
+                        RuleNodeCtx targetRuleNode = nodeActors.get(targetRuleNodeId);
+                        pushMstToNode(targetRuleNode, msg);
+                        break;
+                    case RULE_CHAIN:
+//                        TODO: implement
+                        break;
+                }
+            }
+        }
+    }
+
+    private void pushMstToNode(RuleNodeCtx nodeCtx, TbMsg msg) {
+        if (nodeCtx != null) {
+            nodeCtx.getSelfActor().tell(new RuleChainToRuleNodeMsg(new DefaultTbContext(systemContext, nodeCtx), msg), self);
+        }
+    }
+
+}

application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleChainManagerActor.java

@@ -0,0 +1,61 @@
+/**
+ * Copyright © 2016-2018 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.actors.ruleChain;
+
+import akka.actor.ActorRef;
+import org.thingsboard.server.actors.ActorSystemContext;
+import org.thingsboard.server.actors.service.ContextAwareActor;
+import org.thingsboard.server.actors.shared.plugin.PluginManager;
+import org.thingsboard.server.actors.shared.rulechain.RuleChainManager;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.id.PluginId;
+import org.thingsboard.server.common.data.id.RuleChainId;
+import org.thingsboard.server.dao.rule.RuleChainService;
+
+/**
+ * Created by ashvayka on 15.03.18.
+ */
+public abstract class RuleChainManagerActor extends ContextAwareActor {
+
+    protected final RuleChainManager ruleChainManager;
+    protected final PluginManager pluginManager;
+    protected final RuleChainService ruleChainService;
+
+    public RuleChainManagerActor(ActorSystemContext systemContext, RuleChainManager ruleChainManager, PluginManager pluginManager) {
+        super(systemContext);
+        this.ruleChainManager = ruleChainManager;
+        this.pluginManager = pluginManager;
+        this.ruleChainService = systemContext.getRuleChainService();
+    }
+
+    protected void initRuleChains() {
+        pluginManager.init(this.context());
+        ruleChainManager.init(this.context());
+    }
+
+    protected ActorRef getEntityActorRef(EntityId entityId) {
+        ActorRef target = null;
+        switch (entityId.getEntityType()) {
+            case PLUGIN:
+                target = pluginManager.getOrCreateActor(this.context(), (PluginId) entityId);
+                break;
+            case RULE_CHAIN:
+                target = ruleChainManager.getOrCreateActor(this.context(), (RuleChainId) entityId);
+                break;
+        }
+        return target;
+    }
+}

common/message/src/main/java/org/thingsboard/server/common/msg/RuleMsg.java → application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleChainToRuleNodeMsg.java

@@ -13,26 +13,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.common.msg;
+package org.thingsboard.server.actors.ruleChain;
 
-import org.thingsboard.server.common.data.rule.Scope;
-import org.thingsboard.server.common.data.rule.RuleType;
-import org.thingsboard.server.common.msg.aware.RuleAwareMsg;
+import lombok.Data;
+import org.thingsboard.rule.engine.api.TbContext;
+import org.thingsboard.server.common.msg.MsgType;
+import org.thingsboard.server.common.msg.TbActorMsg;
+import org.thingsboard.server.common.msg.TbMsg;
 
 /**
- * Message that is used to deliver some data to the rule instance. 
- * For example: aggregated statistics or command decoded from http request. 
- * 
- * @author ashvayka
- *
- * @param <V> - payload 
+ * Created by ashvayka on 19.03.18.
  */
-public interface RuleMsg<V> extends RuleAwareMsg {
+@Data
+final class RuleChainToRuleNodeMsg implements TbActorMsg {
+
+    private final TbContext ctx;
+    private final TbMsg msg;
 
-	Scope getRuleLevel();
-	
-	RuleType getRuleType();
-	
-	V getPayload();
-	
+    @Override
+    public MsgType getMsgType() {
+        return MsgType.RULE_CHAIN_TO_RULE_MSG;
+    }
 }

application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleNodeActor.java

@@ -0,0 +1,96 @@
+/**
+ * Copyright © 2016-2018 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.actors.ruleChain;
+
+import org.thingsboard.server.actors.ActorSystemContext;
+import org.thingsboard.server.actors.service.ComponentActor;
+import org.thingsboard.server.actors.service.ContextBasedCreator;
+import org.thingsboard.server.common.data.id.RuleChainId;
+import org.thingsboard.server.common.data.id.RuleNodeId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.msg.TbActorMsg;
+import org.thingsboard.server.common.msg.plugin.ComponentLifecycleMsg;
+
+public class RuleNodeActor extends ComponentActor<RuleNodeId, RuleNodeActorMessageProcessor> {
+
+    private final RuleChainId ruleChainId;
+
+    private RuleNodeActor(ActorSystemContext systemContext, TenantId tenantId, RuleChainId ruleChainId, RuleNodeId ruleNodeId) {
+        super(systemContext, tenantId, ruleNodeId);
+        this.ruleChainId = ruleChainId;
+        setProcessor(new RuleNodeActorMessageProcessor(tenantId, ruleChainId, ruleNodeId, systemContext,
+                logger, context().parent(), context().self()));
+    }
+
+    @Override
+    protected boolean process(TbActorMsg msg) {
+        switch (msg.getMsgType()) {
+            case COMPONENT_LIFE_CYCLE_MSG:
+                onComponentLifecycleMsg((ComponentLifecycleMsg) msg);
+                break;
+            case RULE_CHAIN_TO_RULE_MSG:
+                onRuleChainToRuleNodeMsg((RuleChainToRuleNodeMsg) msg);
+                break;
+            case RULE_TO_SELF_ERROR_MSG:
+                onRuleNodeToSelfErrorMsg((RuleNodeToSelfErrorMsg) msg);
+                break;
+            default:
+                return false;
+        }
+        return true;
+    }
+
+    private void onRuleChainToRuleNodeMsg(RuleChainToRuleNodeMsg msg) {
+        logger.debug("[{}] Going to process rule msg: {}", id, msg.getMsg());
+        try {
+            processor.onRuleChainToRuleNodeMsg(msg);
+            increaseMessagesProcessedCount();
+        } catch (Exception e) {
+            logAndPersist("onRuleMsg", e);
+        }
+    }
+
+    private void onRuleNodeToSelfErrorMsg(RuleNodeToSelfErrorMsg msg) {
+        logAndPersist("onRuleMsg", ActorSystemContext.toException(msg.getError()));
+    }
+
+    public static class ActorCreator extends ContextBasedCreator<RuleNodeActor> {
+        private static final long serialVersionUID = 1L;
+
+        private final TenantId tenantId;
+        private final RuleChainId ruleChainId;
+        private final RuleNodeId ruleNodeId;
+
+        public ActorCreator(ActorSystemContext context, TenantId tenantId, RuleChainId ruleChainId, RuleNodeId ruleNodeId) {
+            super(context);
+            this.tenantId = tenantId;
+            this.ruleChainId = ruleChainId;
+            this.ruleNodeId = ruleNodeId;
+
+        }
+
+        @Override
+        public RuleNodeActor create() throws Exception {
+            return new RuleNodeActor(context, tenantId, ruleChainId, ruleNodeId);
+        }
+    }
+
+    @Override
+    protected long getErrorPersistFrequency() {
+        return systemContext.getRuleNodeErrorPersistFrequency();
+    }
+
+}

application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleNodeActorMessageProcessor.java

@@ -0,0 +1,99 @@
+/**
+ * Copyright © 2016-2018 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.actors.ruleChain;
+
+import akka.actor.ActorContext;
+import akka.actor.ActorRef;
+import akka.event.LoggingAdapter;
+import org.thingsboard.rule.engine.api.TbNode;
+import org.thingsboard.rule.engine.api.TbNodeConfiguration;
+import org.thingsboard.rule.engine.api.TbNodeState;
+import org.thingsboard.server.actors.ActorSystemContext;
+import org.thingsboard.server.actors.shared.ComponentMsgProcessor;
+import org.thingsboard.server.common.data.id.RuleChainId;
+import org.thingsboard.server.common.data.id.RuleNodeId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.plugin.ComponentLifecycleState;
+import org.thingsboard.server.common.data.rule.RuleNode;
+import org.thingsboard.server.common.msg.cluster.ClusterEventMsg;
+import org.thingsboard.server.dao.rule.RuleChainService;
+
+/**
+ * @author Andrew Shvayka
+ */
+public class RuleNodeActorMessageProcessor extends ComponentMsgProcessor<RuleNodeId> {
+
+    private final ActorRef parent;
+    private final ActorRef self;
+    private final RuleChainService service;
+    private RuleNode ruleNode;
+    private TbNode tbNode;
+
+    RuleNodeActorMessageProcessor(TenantId tenantId, RuleChainId ruleChainId, RuleNodeId ruleNodeId, ActorSystemContext systemContext
+            , LoggingAdapter logger, ActorRef parent, ActorRef self) {
+        super(systemContext, logger, tenantId, ruleNodeId);
+        this.parent = parent;
+        this.self = self;
+        this.service = systemContext.getRuleChainService();
+        this.ruleNode = systemContext.getRuleChainService().findRuleNodeById(entityId);
+    }
+
+    @Override
+    public void start(ActorContext context) throws Exception {
+        tbNode = initComponent(ruleNode);
+        state = ComponentLifecycleState.ACTIVE;
+    }
+
+    @Override
+    public void onUpdate(ActorContext context) throws Exception {
+        RuleNode newRuleNode = systemContext.getRuleChainService().findRuleNodeById(entityId);
+        boolean restartRequired = !(ruleNode.getType().equals(newRuleNode.getType())
+                && ruleNode.getConfiguration().equals(newRuleNode.getConfiguration()));
+        this.ruleNode = newRuleNode;
+        if (restartRequired) {
+            tbNode.destroy();
+            start(context);
+        }
+    }
+
+    @Override
+    public void stop(ActorContext context) throws Exception {
+        tbNode.destroy();
+        context.stop(self);
+    }
+
+    @Override
+    public void onClusterEventMsg(ClusterEventMsg msg) throws Exception {
+
+    }
+
+    void onRuleChainToRuleNodeMsg(RuleChainToRuleNodeMsg msg) throws Exception {
+        checkActive();
+        if (ruleNode.isDebugMode()) {
+            systemContext.persistDebugInput(tenantId, entityId, msg.getMsg());
+        }
+        tbNode.onMsg(msg.getCtx(), msg.getMsg());
+    }
+
+    private TbNode initComponent(RuleNode ruleNode) throws Exception {
+        Class<?> componentClazz = Class.forName(ruleNode.getType());
+        TbNode tbNode = (TbNode) (componentClazz.newInstance());
+        tbNode.init(new TbNodeConfiguration(ruleNode.getConfiguration()), new TbNodeState());
+        return tbNode;
+    }
+
+
+}

application/src/main/java/org/thingsboard/server/actors/rule/RuleTerminationMsg.java → application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleNodeCtx.java

@@ -13,18 +13,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.actors.rule;
+package org.thingsboard.server.actors.ruleChain;
 
-import org.thingsboard.server.actors.shared.ActorTerminationMsg;
-import org.thingsboard.server.common.data.id.PluginId;
-import org.thingsboard.server.common.data.id.RuleId;
+import akka.actor.ActorRef;
+import lombok.Data;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.rule.RuleNode;
 
 /**
- * @author Andrew Shvayka
+ * Created by ashvayka on 19.03.18.
  */
-public class RuleTerminationMsg extends ActorTerminationMsg<RuleId> {
-
-    public RuleTerminationMsg(RuleId id) {
-        super(id);
-    }
+@Data
+final class RuleNodeCtx {
+    private final TenantId tenantId;
+    private final ActorRef chainActor;
+    private final ActorRef selfActor;
+    private final RuleNode self;
 }

application/src/main/java/org/thingsboard/server/actors/rule/RuleProcessingMsg.java → application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleNodeRelation.java

@@ -13,19 +13,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.actors.rule;
+package org.thingsboard.server.actors.ruleChain;
 
-public class RuleProcessingMsg {
+import lombok.Data;
+import org.thingsboard.server.common.data.id.EntityId;
 
-    private final ChainProcessingContext ctx;
+/**
+ * Created by ashvayka on 19.03.18.
+ */
 
-    public RuleProcessingMsg(ChainProcessingContext ctx) {
-        super();
-        this.ctx = ctx;
-    }
+@Data
+final class RuleNodeRelation {
 
-    public ChainProcessingContext getCtx() {
-        return ctx;
-    }
+    private final EntityId in;
+    private final EntityId out;
+    private final String type;
 
 }

application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleNodeToRuleChainTellNextMsg.java

@@ -0,0 +1,39 @@
+/**
+ * Copyright © 2016-2018 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.actors.ruleChain;
+
+import lombok.Data;
+import org.thingsboard.server.common.data.id.RuleNodeId;
+import org.thingsboard.server.common.msg.MsgType;
+import org.thingsboard.server.common.msg.TbActorMsg;
+import org.thingsboard.server.common.msg.TbMsg;
+
+/**
+ * Created by ashvayka on 19.03.18.
+ */
+@Data
+final class RuleNodeToRuleChainTellNextMsg implements TbActorMsg {
+
+    private final RuleNodeId originator;
+    private final String relationType;
+    private final TbMsg msg;
+
+    @Override
+    public MsgType getMsgType() {
+        return MsgType.RULE_TO_RULE_CHAIN_TELL_NEXT_MSG;
+    }
+
+}

application/src/main/java/org/thingsboard/server/actors/rule/RulesProcessedMsg.java → application/src/main/java/org/thingsboard/server/actors/ruleChain/RuleNodeToSelfErrorMsg.java

@@ -13,22 +13,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.actors.rule;
+package org.thingsboard.server.actors.ruleChain;
 
-public class RulesProcessedMsg {
-    private final ChainProcessingContext ctx;
+import lombok.Data;
+import org.thingsboard.server.common.msg.MsgType;
+import org.thingsboard.server.common.msg.TbActorMsg;
+import org.thingsboard.server.common.msg.TbMsg;
 
-    public RulesProcessedMsg(ChainProcessingContext ctx) {
-        super();
-        this.ctx = ctx;
-    }
+/**
+ * Created by ashvayka on 19.03.18.
+ */
+@Data
+final class RuleNodeToSelfErrorMsg implements TbActorMsg {
 
-    public ChainProcessingContext getCtx() {
-        return ctx;
-    }
+    private final TbMsg msg;
+    private final Throwable error;
 
     @Override
-    public String toString() {
-        return "RulesProcessedMsg [ctx=" + ctx + "]";
+    public MsgType getMsgType() {
+        return MsgType.RULE_TO_SELF_ERROR_MSG;
     }
+
 }

application/src/main/java/org/thingsboard/server/actors/service/ActorService.java

@@ -15,20 +15,19 @@
  */
 package org.thingsboard.server.actors.service;
 
-import org.thingsboard.server.common.data.id.DeviceId;
-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.id.*;
 import org.thingsboard.server.common.data.plugin.ComponentLifecycleEvent;
+import org.thingsboard.server.common.msg.TbMsg;
+import org.thingsboard.server.common.msg.system.ServiceToRuleEngineMsg;
 import org.thingsboard.server.common.transport.SessionMsgProcessor;
 import org.thingsboard.server.service.cluster.discovery.DiscoveryServiceListener;
 import org.thingsboard.server.service.cluster.rpc.RpcMsgListener;
 
 public interface ActorService extends SessionMsgProcessor, WebSocketMsgProcessor, RestMsgProcessor, RpcMsgListener, DiscoveryServiceListener {
 
-    void onPluginStateChange(TenantId tenantId, PluginId pluginId, ComponentLifecycleEvent state);
+    void onEntityStateChange(TenantId tenantId, EntityId entityId, ComponentLifecycleEvent state);
 
-    void onRuleStateChange(TenantId tenantId, RuleId ruleId, ComponentLifecycleEvent state);
+    void onMsg(ServiceToRuleEngineMsg msg);
 
     void onCredentialsUpdate(TenantId tenantId, DeviceId deviceId);
 

application/src/main/java/org/thingsboard/server/actors/service/ComponentActor.java

@@ -54,7 +54,7 @@ public abstract class ComponentActor<T extends EntityId, P extends ComponentMsgP
     @Override
     public void preStart() {
         try {
-            processor.start();
+            processor.start(context());
             logLifecycleEvent(ComponentLifecycleEvent.STARTED);
             if (systemContext.isStatisticsEnabled()) {
                 scheduleStatsPersistTick();
@@ -78,7 +78,7 @@ public abstract class ComponentActor<T extends EntityId, P extends ComponentMsgP
     @Override
     public void postStop() {
         try {
-            processor.stop();
+            processor.stop(context());
             logLifecycleEvent(ComponentLifecycleEvent.STOPPED);
         } catch (Exception e) {
             logger.warning("[{}][{}] Failed to stop {} processor: {}", tenantId, id, id.getEntityType(), e.getMessage());
@@ -141,7 +141,6 @@ public abstract class ComponentActor<T extends EntityId, P extends ComponentMsgP
         messagesProcessed++;
     }
 
-
     protected void logAndPersist(String method, Exception e) {
         logAndPersist(method, e, false);
     }

application/src/main/java/org/thingsboard/server/actors/service/ContextAwareActor.java

@@ -16,9 +16,13 @@
 package org.thingsboard.server.actors.service;
 
 import akka.actor.UntypedActor;
+import akka.event.Logging;
+import akka.event.LoggingAdapter;
 import org.thingsboard.server.actors.ActorSystemContext;
+import org.thingsboard.server.common.msg.TbActorMsg;
 
 public abstract class ContextAwareActor extends UntypedActor {
+    protected final LoggingAdapter logger = Logging.getLogger(getContext().system(), this);
 
     public static final int ENTITY_PACK_LIMIT = 1024;
 
@@ -28,4 +32,20 @@ public abstract class ContextAwareActor extends UntypedActor {
         super();
         this.systemContext = systemContext;
     }
+
+    @Override
+    public void onReceive(Object msg) throws Exception {
+        if (logger.isDebugEnabled()) {
+            logger.debug("Processing msg: {}", msg);
+        }
+        if (msg instanceof TbActorMsg) {
+            if(!process((TbActorMsg) msg)){
+                logger.warning("Unknown message: {}!", msg);
+            }
+        } else {
+            logger.warning("Unknown message: {}!", msg);
+        }
+    }
+
+    protected abstract boolean process(TbActorMsg msg);
 }

application/src/main/java/org/thingsboard/server/actors/service/DefaultActorService.java

@@ -30,16 +30,14 @@ import org.thingsboard.server.actors.rpc.RpcSessionCreateRequestMsg;
 import org.thingsboard.server.actors.rpc.RpcSessionTellMsg;
 import org.thingsboard.server.actors.session.SessionManagerActor;
 import org.thingsboard.server.actors.stats.StatsActor;
-import org.thingsboard.server.common.data.id.DeviceId;
-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.id.*;
 import org.thingsboard.server.common.data.plugin.ComponentLifecycleEvent;
 import org.thingsboard.server.common.msg.aware.SessionAwareMsg;
 import org.thingsboard.server.common.msg.cluster.ClusterEventMsg;
 import org.thingsboard.server.common.msg.cluster.ServerAddress;
 import org.thingsboard.server.common.msg.cluster.ToAllNodesMsg;
 import org.thingsboard.server.common.msg.core.ToDeviceSessionActorMsg;
+import org.thingsboard.server.common.msg.system.ServiceToRuleEngineMsg;
 import org.thingsboard.server.extensions.api.device.DeviceNameOrTypeUpdateMsg;
 import org.thingsboard.server.common.msg.device.ToDeviceActorMsg;
 import org.thingsboard.server.common.msg.plugin.ComponentLifecycleMsg;
@@ -128,6 +126,11 @@ public class DefaultActorService implements ActorService {
         }
     }
 
+    @Override
+    public void onMsg(ServiceToRuleEngineMsg msg) {
+        appActor.tell(msg, ActorRef.noSender());
+    }
+
     @Override
     public void process(SessionAwareMsg msg) {
         log.debug("Processing session aware msg: {}", msg);
@@ -212,15 +215,9 @@ public class DefaultActorService implements ActorService {
     }
 
     @Override
-    public void onPluginStateChange(TenantId tenantId, PluginId pluginId, ComponentLifecycleEvent state) {
-        log.trace("[{}] Processing onPluginStateChange event: {}", pluginId, state);
-        broadcast(ComponentLifecycleMsg.forPlugin(tenantId, pluginId, state));
-    }
-
-    @Override
-    public void onRuleStateChange(TenantId tenantId, RuleId ruleId, ComponentLifecycleEvent state) {
-        log.trace("[{}] Processing onRuleStateChange event: {}", ruleId, state);
-        broadcast(ComponentLifecycleMsg.forRule(tenantId, ruleId, state));
+    public void onEntityStateChange(TenantId tenantId, EntityId entityId, ComponentLifecycleEvent state) {
+        log.trace("[{}] Processing {} state change event: {}", tenantId, entityId.getEntityType(), state);
+        broadcast(new ComponentLifecycleMsg(tenantId, entityId, state));
     }
 
     @Override

application/src/main/java/org/thingsboard/server/actors/session/SessionActor.java

@@ -23,6 +23,7 @@ import org.thingsboard.server.actors.service.ContextAwareActor;
 import org.thingsboard.server.actors.service.ContextBasedCreator;
 import org.thingsboard.server.actors.shared.SessionTimeoutMsg;
 import org.thingsboard.server.common.data.id.SessionId;
+import org.thingsboard.server.common.msg.TbActorMsg;
 import org.thingsboard.server.common.msg.cluster.ClusterEventMsg;
 import org.thingsboard.server.common.msg.core.ToDeviceSessionActorMsg;
 import org.thingsboard.server.common.msg.session.ToDeviceActorSessionMsg;
@@ -60,6 +61,12 @@ public class SessionActor extends ContextAwareActor {
                 });
     }
 
+    @Override
+    protected boolean process(TbActorMsg msg) {
+        //TODO Move everything here, to work with TbActorMsg
+        return false;
+    }
+
     @Override
     public void onReceive(Object msg) throws Exception {
         logger.debug("[{}] Processing: {}.", sessionId, msg);

application/src/main/java/org/thingsboard/server/actors/session/SessionManagerActor.java

@@ -26,6 +26,7 @@ import org.thingsboard.server.actors.service.ContextBasedCreator;
 import org.thingsboard.server.actors.service.DefaultActorService;
 import org.thingsboard.server.actors.shared.SessionTimeoutMsg;
 import org.thingsboard.server.common.data.id.SessionId;
+import org.thingsboard.server.common.msg.TbActorMsg;
 import org.thingsboard.server.common.msg.aware.SessionAwareMsg;
 
 import akka.event.Logging;
@@ -48,6 +49,12 @@ public class SessionManagerActor extends ContextAwareActor {
         this.sessionActors = new HashMap<>(INITIAL_SESSION_MAP_SIZE);
     }
 
+    @Override
+    protected boolean process(TbActorMsg msg) {
+        //TODO Move everything here, to work with TbActorMsg
+        return false;
+    }
+
     @Override
     public void onReceive(Object msg) throws Exception {
         if (msg instanceof SessionCtrlMsg) {

application/src/main/java/org/thingsboard/server/actors/shared/AbstractContextAwareMsgProcessor.java

@@ -102,9 +102,6 @@ public abstract class AbstractContextAwareMsgProcessor {
             case FILTER:
                 configurationClazz = ((Filter) componentClazz.getAnnotation(Filter.class)).configuration();
                 break;
-            case PROCESSOR:
-                configurationClazz = ((Processor) componentClazz.getAnnotation(Processor.class)).configuration();
-                break;
             case ACTION:
                 configurationClazz = ((Action) componentClazz.getAnnotation(Action.class)).configuration();
                 break;

application/src/main/java/org/thingsboard/server/actors/shared/ComponentMsgProcessor.java

@@ -20,12 +20,14 @@ import akka.event.LoggingAdapter;
 import org.thingsboard.server.actors.ActorSystemContext;
 import org.thingsboard.server.actors.stats.StatsPersistTick;
 import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.plugin.ComponentLifecycleState;
 import org.thingsboard.server.common.msg.cluster.ClusterEventMsg;
 
 public abstract class ComponentMsgProcessor<T> extends AbstractContextAwareMsgProcessor {
 
     protected final TenantId tenantId;
     protected final T entityId;
+    protected ComponentLifecycleState state;
 
     protected ComponentMsgProcessor(ActorSystemContext systemContext, LoggingAdapter logger, TenantId tenantId, T id) {
         super(systemContext, logger);
@@ -33,23 +35,44 @@ public abstract class ComponentMsgProcessor<T> extends AbstractContextAwareMsgPr
         this.entityId = id;
     }
 
-    public abstract void start() throws Exception;
+    public abstract void start(ActorContext context) throws Exception;
 
-    public abstract void stop() throws Exception;
+    public abstract void stop(ActorContext context) throws Exception;
 
-    public abstract void onCreated(ActorContext context) throws Exception;
+    public abstract void onClusterEventMsg(ClusterEventMsg msg) throws Exception;
 
-    public abstract void onUpdate(ActorContext context) throws Exception;
+    public void onCreated(ActorContext context) throws Exception {
+        start(context);
+    }
 
-    public abstract void onActivate(ActorContext context) throws Exception;
+    public void onUpdate(ActorContext context) throws Exception {
+        restart(context);
+    }
 
-    public abstract void onSuspend(ActorContext context) throws Exception;
+    public void onActivate(ActorContext context) throws Exception {
+        restart(context);
+    }
 
-    public abstract void onStop(ActorContext context) throws Exception;
+    public void onSuspend(ActorContext context) throws Exception {
+        stop(context);
+    }
 
-    public abstract void onClusterEventMsg(ClusterEventMsg msg) throws Exception;
+    public void onStop(ActorContext context) throws Exception {
+        stop(context);
+    }
+
+    private void restart(ActorContext context) throws Exception {
+        stop(context);
+        start(context);
+    }
 
     public void scheduleStatsPersistTick(ActorContext context, long statsPersistFrequency) {
         schedulePeriodicMsgWithDelay(context, new StatsPersistTick(), statsPersistFrequency, statsPersistFrequency);
     }
+
+    protected void checkActive() {
+        if (state != ComponentLifecycleState.ACTIVE) {
+            throw new IllegalStateException("Rule chain is not active!");
+        }
+    }
 }

application/src/main/java/org/thingsboard/server/actors/shared/EntityActorsManager.java

@@ -0,0 +1,86 @@
+/**
+ * Copyright © 2016-2018 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.actors.shared;
+
+import akka.actor.ActorContext;
+import akka.actor.ActorRef;
+import akka.actor.Props;
+import akka.actor.UntypedActor;
+import akka.japi.Creator;
+import lombok.extern.slf4j.Slf4j;
+import org.thingsboard.server.actors.ActorSystemContext;
+import org.thingsboard.server.actors.service.ContextAwareActor;
+import org.thingsboard.server.common.data.SearchTextBased;
+import org.thingsboard.server.common.data.SearchTextBasedWithAdditionalInfo;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.id.UUIDBased;
+import org.thingsboard.server.common.data.page.PageDataIterable;
+import org.thingsboard.server.common.data.plugin.PluginMetaData;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Created by ashvayka on 15.03.18.
+ */
+@Slf4j
+public abstract class EntityActorsManager<T extends EntityId, A extends UntypedActor, M extends SearchTextBased<? extends UUIDBased>> {
+
+    protected final ActorSystemContext systemContext;
+    protected final Map<T, ActorRef> actors;
+
+    public EntityActorsManager(ActorSystemContext systemContext) {
+        this.systemContext = systemContext;
+        this.actors = new HashMap<>();
+    }
+
+    protected abstract TenantId getTenantId();
+
+    protected abstract String getDispatcherName();
+
+    protected abstract Creator<A> creator(T entityId);
+
+    protected abstract PageDataIterable.FetchFunction<M> getFetchEntitiesFunction();
+
+    public void init(ActorContext context) {
+        for (M entity : new PageDataIterable<>(getFetchEntitiesFunction(), ContextAwareActor.ENTITY_PACK_LIMIT)) {
+            T entityId = (T) entity.getId();
+            log.debug("[{}|{}] Creating entity actor", entityId.getEntityType(), entityId.getId());
+            //TODO: remove this cast making UUIDBased subclass of EntityId an interface and vice versa.
+            ActorRef actorRef = getOrCreateActor(context, entityId);
+            visit(entity, actorRef);
+            log.debug("[{}|{}] Entity actor created.", entityId.getEntityType(), entityId.getId());
+        }
+    }
+
+    protected void visit(M entity, ActorRef actorRef) {}
+
+    public ActorRef getOrCreateActor(ActorContext context, T entityId) {
+        return actors.computeIfAbsent(entityId, eId ->
+                context.actorOf(Props.create(creator(eId))
+                        .withDispatcher(getDispatcherName()), eId.toString()));
+    }
+
+    public void broadcast(Object msg) {
+        actors.values().forEach(actorRef -> actorRef.tell(msg, ActorRef.noSender()));
+    }
+
+    public void remove(T id) {
+        actors.remove(id);
+    }
+
+}

application/src/main/java/org/thingsboard/server/actors/shared/plugin/PluginManager.java

@@ -15,63 +15,28 @@
  */
 package org.thingsboard.server.actors.shared.plugin;
 
-import akka.actor.ActorContext;
-import akka.actor.ActorRef;
-import akka.actor.Props;
+import akka.japi.Creator;
 import lombok.extern.slf4j.Slf4j;
 import org.thingsboard.server.actors.ActorSystemContext;
 import org.thingsboard.server.actors.plugin.PluginActor;
-import org.thingsboard.server.actors.service.ContextAwareActor;
+import org.thingsboard.server.actors.shared.EntityActorsManager;
 import org.thingsboard.server.common.data.id.PluginId;
-import org.thingsboard.server.common.data.id.TenantId;
-import org.thingsboard.server.common.data.page.PageDataIterable;
-import org.thingsboard.server.common.data.page.PageDataIterable.FetchFunction;
 import org.thingsboard.server.common.data.plugin.PluginMetaData;
 import org.thingsboard.server.dao.plugin.PluginService;
 
-import java.util.HashMap;
-import java.util.Map;
-
 @Slf4j
-public abstract class PluginManager {
+public abstract class PluginManager extends EntityActorsManager<PluginId, PluginActor, PluginMetaData> {
 
-    protected final ActorSystemContext systemContext;
     protected final PluginService pluginService;
-    protected final Map<PluginId, ActorRef> pluginActors;
 
     public PluginManager(ActorSystemContext systemContext) {
-        this.systemContext = systemContext;
+        super(systemContext);
         this.pluginService = systemContext.getPluginService();
-        this.pluginActors = new HashMap<>();
     }
 
-    public void init(ActorContext context) {
-        PageDataIterable<PluginMetaData> pluginIterator = new PageDataIterable<>(getFetchPluginsFunction(),
-                ContextAwareActor.ENTITY_PACK_LIMIT);
-        for (PluginMetaData plugin : pluginIterator) {
-            log.debug("[{}] Creating plugin actor", plugin.getId());
-            getOrCreatePluginActor(context, plugin.getId());
-            log.debug("Plugin actor created.");
-        }
+    @Override
+    public Creator<PluginActor> creator(PluginId entityId){
+        return new PluginActor.ActorCreator(systemContext, getTenantId(), entityId);
     }
 
-    abstract FetchFunction<PluginMetaData> getFetchPluginsFunction();
-
-    abstract TenantId getTenantId();
-
-    abstract String getDispatcherName();
-
-    public ActorRef getOrCreatePluginActor(ActorContext context, PluginId pluginId) {
-        return pluginActors.computeIfAbsent(pluginId, pId ->
-                context.actorOf(Props.create(new PluginActor.ActorCreator(systemContext, getTenantId(), pId))
-                        .withDispatcher(getDispatcherName()), pId.toString()));
-    }
-
-    public void broadcast(Object msg) {
-        pluginActors.values().forEach(actorRef -> actorRef.tell(msg, ActorRef.noSender()));
-    }
-
-    public void remove(PluginId id) {
-        pluginActors.remove(id);
-    }
 }

application/src/main/java/org/thingsboard/server/actors/shared/plugin/SystemPluginManager.java

@@ -29,12 +29,12 @@ public class SystemPluginManager extends PluginManager {
     }
 
     @Override
-    FetchFunction<PluginMetaData> getFetchPluginsFunction() {
+    protected FetchFunction<PluginMetaData> getFetchEntitiesFunction() {
         return pluginService::findSystemPlugins;
     }
 
     @Override
-    TenantId getTenantId() {
+    protected TenantId getTenantId() {
         return BasePluginService.SYSTEM_TENANT;
     }
 

application/src/main/java/org/thingsboard/server/actors/shared/plugin/TenantPluginManager.java

@@ -19,6 +19,7 @@ import akka.actor.ActorContext;
 import org.thingsboard.server.actors.ActorSystemContext;
 import org.thingsboard.server.actors.service.DefaultActorService;
 import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.page.PageDataIterable;
 import org.thingsboard.server.common.data.page.PageDataIterable.FetchFunction;
 import org.thingsboard.server.common.data.plugin.PluginMetaData;
 
@@ -39,12 +40,12 @@ public class TenantPluginManager extends PluginManager {
     }
 
     @Override
-    FetchFunction<PluginMetaData> getFetchPluginsFunction() {
+    protected FetchFunction<PluginMetaData> getFetchEntitiesFunction() {
         return link -> pluginService.findTenantPlugins(tenantId, link);
     }
 
     @Override
-    TenantId getTenantId() {
+    protected TenantId getTenantId() {
         return tenantId;
     }
 

application/src/main/java/org/thingsboard/server/actors/shared/rule/RuleManager.java

@@ -1,135 +0,0 @@
-/**
- * Copyright © 2016-2018 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.actors.shared.rule;
-
-import akka.actor.ActorContext;
-import akka.actor.ActorRef;
-import akka.actor.Props;
-import lombok.extern.slf4j.Slf4j;
-import org.thingsboard.server.actors.ActorSystemContext;
-import org.thingsboard.server.actors.rule.RuleActor;
-import org.thingsboard.server.actors.rule.RuleActorChain;
-import org.thingsboard.server.actors.rule.RuleActorMetaData;
-import org.thingsboard.server.actors.rule.SimpleRuleActorChain;
-import org.thingsboard.server.actors.service.ContextAwareActor;
-import org.thingsboard.server.common.data.id.RuleId;
-import org.thingsboard.server.common.data.id.TenantId;
-import org.thingsboard.server.common.data.page.PageDataIterable;
-import org.thingsboard.server.common.data.page.PageDataIterable.FetchFunction;
-import org.thingsboard.server.common.data.plugin.ComponentLifecycleEvent;
-import org.thingsboard.server.common.data.plugin.ComponentLifecycleState;
-import org.thingsboard.server.common.data.rule.RuleMetaData;
-import org.thingsboard.server.dao.rule.RuleService;
-
-import java.util.*;
-
-@Slf4j
-public abstract class RuleManager {
-
-    protected final ActorSystemContext systemContext;
-    protected final RuleService ruleService;
-    protected final Map<RuleId, ActorRef> ruleActors;
-    protected final TenantId tenantId;
-
-    private Map<RuleMetaData, RuleActorMetaData> ruleMap;
-    private RuleActorChain ruleChain;
-
-    public RuleManager(ActorSystemContext systemContext, TenantId tenantId) {
-        this.systemContext = systemContext;
-        this.ruleService = systemContext.getRuleService();
-        this.ruleActors = new HashMap<>();
-        this.tenantId = tenantId;
-    }
-
-    public void init(ActorContext context) {
-        doInit(context);
-    }
-
-    private void doInit(ActorContext context) {
-        PageDataIterable<RuleMetaData> ruleIterator = new PageDataIterable<>(getFetchRulesFunction(),
-                ContextAwareActor.ENTITY_PACK_LIMIT);
-        ruleMap = new HashMap<>();
-
-        for (RuleMetaData rule : ruleIterator) {
-            log.debug("[{}] Creating rule actor {}", rule.getId(), rule);
-            ActorRef ref = getOrCreateRuleActor(context, rule.getId());
-            ruleMap.put(rule, RuleActorMetaData.systemRule(rule.getId(), rule.getWeight(), ref));
-            log.debug("[{}] Rule actor created.", rule.getId());
-        }
-
-        refreshRuleChain();
-    }
-
-    public Optional<ActorRef> update(ActorContext context, RuleId ruleId, ComponentLifecycleEvent event) {
-        if (ruleMap == null) {
-            doInit(context);
-        }
-        RuleMetaData rule;
-        if (event != ComponentLifecycleEvent.DELETED) {
-            rule = systemContext.getRuleService().findRuleById(ruleId);
-        } else {
-            rule = ruleMap.keySet().stream()
-                    .filter(r -> r.getId().equals(ruleId))
-                    .peek(r -> r.setState(ComponentLifecycleState.SUSPENDED))
-                    .findFirst()
-                    .orElse(null);
-            if (rule != null) {
-                ruleMap.remove(rule);
-                ruleActors.remove(ruleId);
-            }
-        }
-        if (rule != null) {
-            RuleActorMetaData actorMd = ruleMap.get(rule);
-            if (actorMd == null) {
-                ActorRef ref = getOrCreateRuleActor(context, rule.getId());
-                actorMd = RuleActorMetaData.systemRule(rule.getId(), rule.getWeight(), ref);
-                ruleMap.put(rule, actorMd);
-            }
-            refreshRuleChain();
-            return Optional.of(actorMd.getActorRef());
-        } else {
-            log.warn("[{}] Can't process unknown rule!", ruleId);
-            return Optional.empty();
-        }
-    }
-
-    abstract FetchFunction<RuleMetaData> getFetchRulesFunction();
-
-    abstract String getDispatcherName();
-
-    public ActorRef getOrCreateRuleActor(ActorContext context, RuleId ruleId) {
-        return ruleActors.computeIfAbsent(ruleId, rId ->
-                context.actorOf(Props.create(new RuleActor.ActorCreator(systemContext, tenantId, rId))
-                        .withDispatcher(getDispatcherName()), rId.toString()));
-    }
-
-    public RuleActorChain getRuleChain(ActorContext context) {
-        if (ruleChain == null) {
-            doInit(context);
-        }
-        return ruleChain;
-    }
-
-    private void refreshRuleChain() {
-        Set<RuleActorMetaData> activeRuleSet = new HashSet<>();
-        for (Map.Entry<RuleMetaData, RuleActorMetaData> rule : ruleMap.entrySet()) {
-            if (rule.getKey().getState() == ComponentLifecycleState.ACTIVE) {
-                activeRuleSet.add(rule.getValue());
-            }
-        }
-        ruleChain = new SimpleRuleActorChain(activeRuleSet);
-    }
-}

application/src/main/java/org/thingsboard/server/actors/shared/rulechain/RuleChainManager.java

@@ -0,0 +1,59 @@
+/**
+ * Copyright © 2016-2018 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.actors.shared.rulechain;
+
+import akka.actor.ActorRef;
+import akka.japi.Creator;
+import lombok.Getter;
+import lombok.extern.slf4j.Slf4j;
+import org.thingsboard.server.actors.ActorSystemContext;
+import org.thingsboard.server.actors.ruleChain.RuleChainActor;
+import org.thingsboard.server.actors.shared.EntityActorsManager;
+import org.thingsboard.server.common.data.id.RuleChainId;
+import org.thingsboard.server.common.data.rule.RuleChain;
+import org.thingsboard.server.dao.rule.RuleChainService;
+
+/**
+ * Created by ashvayka on 15.03.18.
+ */
+@Slf4j
+public abstract class RuleChainManager extends EntityActorsManager<RuleChainId, RuleChainActor, RuleChain> {
+
+    protected final RuleChainService service;
+    @Getter
+    protected RuleChain rootChain;
+    @Getter
+    protected ActorRef rootChainActor;
+
+    public RuleChainManager(ActorSystemContext systemContext) {
+        super(systemContext);
+        this.service = systemContext.getRuleChainService();
+    }
+
+    @Override
+    public Creator<RuleChainActor> creator(RuleChainId entityId) {
+        return new RuleChainActor.ActorCreator(systemContext, getTenantId(), entityId);
+    }
+
+    @Override
+    protected void visit(RuleChain entity, ActorRef actorRef) {
+        if (entity.isRoot()) {
+            rootChain = entity;
+            rootChainActor = actorRef;
+        }
+    }
+
+}

application/src/main/java/org/thingsboard/server/actors/shared/rule/SystemRuleManager.java → application/src/main/java/org/thingsboard/server/actors/shared/rulechain/SystemRuleChainManager.java

@@ -13,28 +13,35 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.actors.shared.rule;
+package org.thingsboard.server.actors.shared.rulechain;
 
 import org.thingsboard.server.actors.ActorSystemContext;
 import org.thingsboard.server.actors.service.DefaultActorService;
+import org.thingsboard.server.actors.shared.plugin.PluginManager;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.page.PageDataIterable.FetchFunction;
-import org.thingsboard.server.common.data.rule.RuleMetaData;
-import org.thingsboard.server.dao.model.ModelConstants;
+import org.thingsboard.server.common.data.plugin.PluginMetaData;
+import org.thingsboard.server.common.data.rule.RuleChain;
+import org.thingsboard.server.dao.plugin.BasePluginService;
 
-public class SystemRuleManager extends RuleManager {
+public class SystemRuleChainManager extends RuleChainManager {
 
-    public SystemRuleManager(ActorSystemContext systemContext) {
-        super(systemContext, new TenantId(ModelConstants.NULL_UUID));
+    public SystemRuleChainManager(ActorSystemContext systemContext) {
+        super(systemContext);
     }
 
     @Override
-    FetchFunction<RuleMetaData> getFetchRulesFunction() {
-        return ruleService::findSystemRules;
+    protected FetchFunction<RuleChain> getFetchEntitiesFunction() {
+        return service::findSystemRuleChains;
     }
 
     @Override
-    String getDispatcherName() {
+    protected TenantId getTenantId() {
+        return BasePluginService.SYSTEM_TENANT;
+    }
+
+    @Override
+    protected String getDispatcherName() {
         return DefaultActorService.SYSTEM_RULE_DISPATCHER_NAME;
     }
 }

application/src/main/java/org/thingsboard/server/actors/shared/rule/TenantRuleManager.java → application/src/main/java/org/thingsboard/server/actors/shared/rulechain/TenantRuleChainManager.java

@@ -13,19 +13,22 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.actors.shared.rule;
+package org.thingsboard.server.actors.shared.rulechain;
 
 import akka.actor.ActorContext;
 import org.thingsboard.server.actors.ActorSystemContext;
 import org.thingsboard.server.actors.service.DefaultActorService;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.page.PageDataIterable.FetchFunction;
-import org.thingsboard.server.common.data.rule.RuleMetaData;
+import org.thingsboard.server.common.data.rule.RuleChain;
 
-public class TenantRuleManager extends RuleManager {
-    
-    public TenantRuleManager(ActorSystemContext systemContext, TenantId tenantId) {
-        super(systemContext, tenantId);
+public class TenantRuleChainManager extends RuleChainManager {
+
+    private final TenantId tenantId;
+
+    public TenantRuleChainManager(ActorSystemContext systemContext, TenantId tenantId) {
+        super(systemContext);
+        this.tenantId = tenantId;
     }
 
     @Override
@@ -36,13 +39,17 @@ public class TenantRuleManager extends RuleManager {
     }
 
     @Override
-    FetchFunction<RuleMetaData> getFetchRulesFunction() {
-        return link -> ruleService.findTenantRules(tenantId, link);
+    protected TenantId getTenantId() {
+        return tenantId;
     }
 
     @Override
-    String getDispatcherName() {
+    protected String getDispatcherName() {
         return DefaultActorService.TENANT_RULE_DISPATCHER_NAME;
     }
 
+    @Override
+    protected FetchFunction<RuleChain> getFetchEntitiesFunction() {
+        return link -> service.findTenantRuleChains(tenantId, link);
+    }
 }

application/src/main/java/org/thingsboard/server/actors/stats/StatsActor.java

@@ -24,6 +24,7 @@ import org.thingsboard.server.actors.service.ContextAwareActor;
 import org.thingsboard.server.actors.service.ContextBasedCreator;
 import org.thingsboard.server.common.data.DataConstants;
 import org.thingsboard.server.common.data.Event;
+import org.thingsboard.server.common.msg.TbActorMsg;
 import org.thingsboard.server.common.msg.cluster.ServerAddress;
 
 public class StatsActor extends ContextAwareActor {
@@ -35,6 +36,12 @@ public class StatsActor extends ContextAwareActor {
         super(context);
     }
 
+    @Override
+    protected boolean process(TbActorMsg msg) {
+        //TODO Move everything here, to work with TbActorMsg\
+        return false;
+    }
+
     @Override
     public void onReceive(Object msg) throws Exception {
         logger.debug("Received message: {}", msg);

application/src/main/java/org/thingsboard/server/actors/tenant/RuleChainDeviceMsg.java

@@ -1,40 +0,0 @@
-/**
- * Copyright © 2016-2018 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.actors.tenant;
-
-import org.thingsboard.server.actors.rule.RuleActorChain;
-import org.thingsboard.server.common.msg.device.ToDeviceActorMsg;
-
-public class RuleChainDeviceMsg {
-
-    private final ToDeviceActorMsg toDeviceActorMsg;
-    private final RuleActorChain ruleChain;
-
-    public RuleChainDeviceMsg(ToDeviceActorMsg toDeviceActorMsg, RuleActorChain ruleChain) {
-        super();
-        this.toDeviceActorMsg = toDeviceActorMsg;
-        this.ruleChain = ruleChain;
-    }
-
-    public ToDeviceActorMsg getToDeviceActorMsg() {
-        return toDeviceActorMsg;
-    }
-
-    public RuleActorChain getRuleChain() {
-        return ruleChain;
-    }
-
-}

application/src/main/java/org/thingsboard/server/actors/tenant/TenantActor.java

@@ -15,52 +15,38 @@
  */
 package org.thingsboard.server.actors.tenant;
 
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Optional;
-
+import akka.actor.ActorRef;
+import akka.actor.Props;
+import akka.event.Logging;
+import akka.event.LoggingAdapter;
 import org.thingsboard.server.actors.ActorSystemContext;
 import org.thingsboard.server.actors.device.DeviceActor;
 import org.thingsboard.server.actors.plugin.PluginTerminationMsg;
-import org.thingsboard.server.actors.rule.ComplexRuleActorChain;
-import org.thingsboard.server.actors.rule.RuleActorChain;
-import org.thingsboard.server.actors.service.ContextAwareActor;
+import org.thingsboard.server.actors.ruleChain.RuleChainManagerActor;
 import org.thingsboard.server.actors.service.ContextBasedCreator;
 import org.thingsboard.server.actors.service.DefaultActorService;
-import org.thingsboard.server.actors.shared.plugin.PluginManager;
 import org.thingsboard.server.actors.shared.plugin.TenantPluginManager;
-import org.thingsboard.server.actors.shared.rule.RuleManager;
-import org.thingsboard.server.actors.shared.rule.TenantRuleManager;
+import org.thingsboard.server.actors.shared.rulechain.TenantRuleChainManager;
 import org.thingsboard.server.common.data.id.DeviceId;
-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.msg.cluster.ClusterEventMsg;
+import org.thingsboard.server.common.msg.TbActorMsg;
 import org.thingsboard.server.common.msg.device.ToDeviceActorMsg;
-
-import akka.actor.ActorRef;
-import akka.actor.Props;
-import akka.event.Logging;
-import akka.event.LoggingAdapter;
 import org.thingsboard.server.common.msg.plugin.ComponentLifecycleMsg;
+import org.thingsboard.server.common.msg.system.ServiceToRuleEngineMsg;
 import org.thingsboard.server.extensions.api.device.ToDeviceActorNotificationMsg;
 import org.thingsboard.server.extensions.api.plugins.msg.ToPluginActorMsg;
-import org.thingsboard.server.extensions.api.rules.ToRuleActorMsg;
 
-public class TenantActor extends ContextAwareActor {
+import java.util.HashMap;
+import java.util.Map;
 
-    private final LoggingAdapter logger = Logging.getLogger(getContext().system(), this);
+public class TenantActor extends RuleChainManagerActor {
 
     private final TenantId tenantId;
-    private final RuleManager ruleManager;
-    private final PluginManager pluginManager;
     private final Map<DeviceId, ActorRef> deviceActors;
 
     private TenantActor(ActorSystemContext systemContext, TenantId tenantId) {
-        super(systemContext);
+        super(systemContext, new TenantRuleChainManager(systemContext, tenantId), new TenantPluginManager(systemContext, tenantId));
         this.tenantId = tenantId;
-        this.ruleManager = new TenantRuleManager(systemContext, tenantId);
-        this.pluginManager = new TenantPluginManager(systemContext, tenantId);
         this.deviceActors = new HashMap<>();
     }
 
@@ -68,8 +54,7 @@ public class TenantActor extends ContextAwareActor {
     public void preStart() {
         logger.info("[{}] Starting tenant actor.", tenantId);
         try {
-            ruleManager.init(this.context());
-            pluginManager.init(this.context());
+            initRuleChains();
             logger.info("[{}] Tenant actor started.", tenantId);
         } catch (Exception e) {
             logger.error(e, "[{}] Unknown failure", tenantId);
@@ -77,29 +62,45 @@ public class TenantActor extends ContextAwareActor {
     }
 
     @Override
-    public void onReceive(Object msg) throws Exception {
-        logger.debug("[{}] Received message: {}", tenantId, msg);
-        if (msg instanceof RuleChainDeviceMsg) {
-            process((RuleChainDeviceMsg) msg);
-        } else if (msg instanceof ToDeviceActorMsg) {
-            onToDeviceActorMsg((ToDeviceActorMsg) msg);
-        } else if (msg instanceof ToPluginActorMsg) {
-            onToPluginMsg((ToPluginActorMsg) msg);
-        } else if (msg instanceof ToRuleActorMsg) {
-            onToRuleMsg((ToRuleActorMsg) msg);
-        } else if (msg instanceof ToDeviceActorNotificationMsg) {
-            onToDeviceActorMsg((ToDeviceActorNotificationMsg) msg);
-        } else if (msg instanceof ClusterEventMsg) {
-            broadcast(msg);
-        } else if (msg instanceof ComponentLifecycleMsg) {
-            onComponentLifecycleMsg((ComponentLifecycleMsg) msg);
-        } else if (msg instanceof PluginTerminationMsg) {
-            onPluginTerminated((PluginTerminationMsg) msg);
-        } else {
-            logger.warning("[{}] Unknown message: {}!", tenantId, msg);
+    protected boolean process(TbActorMsg msg) {
+        switch (msg.getMsgType()) {
+            case COMPONENT_LIFE_CYCLE_MSG:
+                onComponentLifecycleMsg((ComponentLifecycleMsg) msg);
+                break;
+            case SERVICE_TO_RULE_ENGINE_MSG:
+                onServiceToRuleEngineMsg((ServiceToRuleEngineMsg) msg);
+                break;
+            default:
+                return false;
         }
+        return true;
     }
 
+    private void onServiceToRuleEngineMsg(ServiceToRuleEngineMsg msg) {
+        ruleChainManager.getRootChainActor().tell(msg, self());
+    }
+
+
+//    @Override
+//    public void onReceive(Object msg) throws Exception {
+//        logger.debug("[{}] Received message: {}", tenantId, msg);
+//        if (msg instanceof ToDeviceActorMsg) {
+//            onToDeviceActorMsg((ToDeviceActorMsg) msg);
+//        } else if (msg instanceof ToPluginActorMsg) {
+//            onToPluginMsg((ToPluginActorMsg) msg);
+//        } else if (msg instanceof ToDeviceActorNotificationMsg) {
+//            onToDeviceActorMsg((ToDeviceActorNotificationMsg) msg);
+//        } else if (msg instanceof ClusterEventMsg) {
+//            broadcast(msg);
+//        } else if (msg instanceof ComponentLifecycleMsg) {
+//            onComponentLifecycleMsg((ComponentLifecycleMsg) msg);
+//        } else if (msg instanceof PluginTerminationMsg) {
+//            onPluginTerminated((PluginTerminationMsg) msg);
+//        } else {
+//            logger.warning("[{}] Unknown message: {}!", tenantId, msg);
+//        }
+//    }
+
     private void broadcast(Object msg) {
         pluginManager.broadcast(msg);
         deviceActors.values().forEach(actorRef -> actorRef.tell(msg, ActorRef.noSender()));
@@ -113,14 +114,9 @@ public class TenantActor extends ContextAwareActor {
         getOrCreateDeviceActor(msg.getDeviceId()).tell(msg, ActorRef.noSender());
     }
 
-    private void onToRuleMsg(ToRuleActorMsg msg) {
-        ActorRef target = ruleManager.getOrCreateRuleActor(this.context(), msg.getRuleId());
-        target.tell(msg, ActorRef.noSender());
-    }
-
     private void onToPluginMsg(ToPluginActorMsg msg) {
         if (msg.getPluginTenantId().equals(tenantId)) {
-            ActorRef pluginActor = pluginManager.getOrCreatePluginActor(this.context(), msg.getPluginId());
+            ActorRef pluginActor = pluginManager.getOrCreateActor(this.context(), msg.getPluginId());
             pluginActor.tell(msg, ActorRef.noSender());
         } else {
             context().parent().tell(msg, ActorRef.noSender());
@@ -128,23 +124,11 @@ public class TenantActor extends ContextAwareActor {
     }
 
     private void onComponentLifecycleMsg(ComponentLifecycleMsg msg) {
-        Optional<PluginId> pluginId = msg.getPluginId();
-        Optional<RuleId> ruleId = msg.getRuleId();
-        if (pluginId.isPresent()) {
-            ActorRef pluginActor = pluginManager.getOrCreatePluginActor(this.context(), pluginId.get());
-            pluginActor.tell(msg, ActorRef.noSender());
-        } else if (ruleId.isPresent()) {
-            ActorRef target;
-            Optional<ActorRef> ref = ruleManager.update(this.context(), ruleId.get(), msg.getEvent());
-            if (ref.isPresent()) {
-                target = ref.get();
-            } else {
-                logger.debug("Failed to find actor for rule: [{}]", ruleId);
-                return;
-            }
+        ActorRef target = getEntityActorRef(msg.getEntityId());
+        if (target != null) {
             target.tell(msg, ActorRef.noSender());
         } else {
-            logger.debug("[{}] Invalid component lifecycle msg.", tenantId);
+            logger.debug("Invalid component lifecycle msg: {}", msg);
         }
     }
 
@@ -152,13 +136,6 @@ public class TenantActor extends ContextAwareActor {
         pluginManager.remove(msg.getId());
     }
 
-    private void process(RuleChainDeviceMsg msg) {
-        ToDeviceActorMsg toDeviceActorMsg = msg.getToDeviceActorMsg();
-        ActorRef deviceActor = getOrCreateDeviceActor(toDeviceActorMsg.getDeviceId());
-        RuleActorChain tenantChain = ruleManager.getRuleChain(this.context());
-        RuleActorChain chain = new ComplexRuleActorChain(msg.getRuleChain(), tenantChain);
-        deviceActor.tell(new RuleChainDeviceMsg(toDeviceActorMsg, chain), context().self());
-    }
 
     private ActorRef getOrCreateDeviceActor(DeviceId deviceId) {
         return deviceActors.computeIfAbsent(deviceId, k -> context().actorOf(Props.create(new DeviceActor.ActorCreator(systemContext, tenantId, deviceId))

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

@@ -71,7 +71,7 @@ public class PluginController extends BaseController {
             boolean created = source.getId() == null;
             source.setTenantId(getCurrentUser().getTenantId());
             PluginMetaData plugin = checkNotNull(pluginService.savePlugin(source));
-            actorService.onPluginStateChange(plugin.getTenantId(), plugin.getId(),
+            actorService.onEntityStateChange(plugin.getTenantId(), plugin.getId(),
                     created ? ComponentLifecycleEvent.CREATED : ComponentLifecycleEvent.UPDATED);
 
             logEntityAction(plugin.getId(), plugin,
@@ -97,7 +97,7 @@ public class PluginController extends BaseController {
             PluginId pluginId = new PluginId(toUUID(strPluginId));
             PluginMetaData plugin = checkPlugin(pluginService.findPluginById(pluginId));
             pluginService.activatePluginById(pluginId);
-            actorService.onPluginStateChange(plugin.getTenantId(), plugin.getId(), ComponentLifecycleEvent.ACTIVATED);
+            actorService.onEntityStateChange(plugin.getTenantId(), plugin.getId(), ComponentLifecycleEvent.ACTIVATED);
 
             logEntityAction(plugin.getId(), plugin,
                     null,
@@ -123,7 +123,7 @@ public class PluginController extends BaseController {
             PluginId pluginId = new PluginId(toUUID(strPluginId));
             PluginMetaData plugin = checkPlugin(pluginService.findPluginById(pluginId));
             pluginService.suspendPluginById(pluginId);
-            actorService.onPluginStateChange(plugin.getTenantId(), plugin.getId(), ComponentLifecycleEvent.SUSPENDED);
+            actorService.onEntityStateChange(plugin.getTenantId(), plugin.getId(), ComponentLifecycleEvent.SUSPENDED);
 
             logEntityAction(plugin.getId(), plugin,
                     null,
@@ -221,7 +221,7 @@ public class PluginController extends BaseController {
             PluginId pluginId = new PluginId(toUUID(strPluginId));
             PluginMetaData plugin = checkPlugin(pluginService.findPluginById(pluginId));
             pluginService.deletePluginById(pluginId);
-            actorService.onPluginStateChange(plugin.getTenantId(), plugin.getId(), ComponentLifecycleEvent.DELETED);
+            actorService.onEntityStateChange(plugin.getTenantId(), plugin.getId(), ComponentLifecycleEvent.DELETED);
 
             logEntityAction(pluginId, plugin,
                     null,

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

@@ -78,6 +78,9 @@ public class RuleChainController extends BaseController {
             ruleChain.setTenantId(getCurrentUser().getTenantId());
             RuleChain savedRuleChain = checkNotNull(ruleChainService.saveRuleChain(ruleChain));
 
+            actorService.onEntityStateChange(ruleChain.getTenantId(), savedRuleChain.getId(),
+                    created ? ComponentLifecycleEvent.CREATED : ComponentLifecycleEvent.UPDATED);
+
             logEntityAction(savedRuleChain.getId(), savedRuleChain,
                     null,
                     created ? ActionType.ADDED : ActionType.UPDATED, null);
@@ -100,6 +103,8 @@ public class RuleChainController extends BaseController {
             RuleChain ruleChain = checkRuleChain(ruleChainMetaData.getRuleChainId());
             RuleChainMetaData savedRuleChainMetaData = checkNotNull(ruleChainService.saveRuleChainMetaData(ruleChainMetaData));
 
+            actorService.onEntityStateChange(ruleChain.getTenantId(), ruleChain.getId(), ComponentLifecycleEvent.UPDATED);
+
             logEntityAction(ruleChain.getId(), ruleChain,
                     null,
                     ActionType.UPDATED, null, ruleChainMetaData);
@@ -183,6 +188,8 @@ public class RuleChainController extends BaseController {
             RuleChain ruleChain = checkRuleChain(ruleChainId);
             ruleChainService.deleteRuleChainById(ruleChainId);
 
+            actorService.onEntityStateChange(ruleChain.getTenantId(), ruleChain.getId(), ComponentLifecycleEvent.DELETED);
+
             logEntityAction(ruleChainId, ruleChain,
                     null,
                     ActionType.DELETED, null, strRuleChainId);

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

@@ -73,7 +73,7 @@ public class RuleController extends BaseController {
             boolean created = source.getId() == null;
             source.setTenantId(getCurrentUser().getTenantId());
             RuleMetaData rule = checkNotNull(ruleService.saveRule(source));
-            actorService.onRuleStateChange(rule.getTenantId(), rule.getId(),
+            actorService.onEntityStateChange(rule.getTenantId(), rule.getId(),
                     created ? ComponentLifecycleEvent.CREATED : ComponentLifecycleEvent.UPDATED);
 
             logEntityAction(rule.getId(), rule,
@@ -99,7 +99,7 @@ public class RuleController extends BaseController {
             RuleId ruleId = new RuleId(toUUID(strRuleId));
             RuleMetaData rule = checkRule(ruleService.findRuleById(ruleId));
             ruleService.activateRuleById(ruleId);
-            actorService.onRuleStateChange(rule.getTenantId(), rule.getId(), ComponentLifecycleEvent.ACTIVATED);
+            actorService.onEntityStateChange(rule.getTenantId(), rule.getId(), ComponentLifecycleEvent.ACTIVATED);
 
             logEntityAction(rule.getId(), rule,
                     null,
@@ -125,7 +125,7 @@ public class RuleController extends BaseController {
             RuleId ruleId = new RuleId(toUUID(strRuleId));
             RuleMetaData rule = checkRule(ruleService.findRuleById(ruleId));
             ruleService.suspendRuleById(ruleId);
-            actorService.onRuleStateChange(rule.getTenantId(), rule.getId(), ComponentLifecycleEvent.SUSPENDED);
+            actorService.onEntityStateChange(rule.getTenantId(), rule.getId(), ComponentLifecycleEvent.SUSPENDED);
 
             logEntityAction(rule.getId(), rule,
                     null,
@@ -219,7 +219,7 @@ public class RuleController extends BaseController {
             RuleId ruleId = new RuleId(toUUID(strRuleId));
             RuleMetaData rule = checkRule(ruleService.findRuleById(ruleId));
             ruleService.deleteRuleById(ruleId);
-            actorService.onRuleStateChange(rule.getTenantId(), rule.getId(), ComponentLifecycleEvent.DELETED);
+            actorService.onEntityStateChange(rule.getTenantId(), rule.getId(), ComponentLifecycleEvent.DELETED);
 
             logEntityAction(ruleId, rule,
                     null,

application/src/main/java/org/thingsboard/server/service/component/AnnotationComponentDiscoveryService.java

@@ -26,6 +26,10 @@ import org.springframework.context.annotation.ClassPathScanningCandidateComponen
 import org.springframework.core.env.Environment;
 import org.springframework.core.type.filter.AnnotationTypeFilter;
 import org.springframework.stereotype.Service;
+import org.thingsboard.rule.engine.api.ActionNode;
+import org.thingsboard.rule.engine.api.EnrichmentNode;
+import org.thingsboard.rule.engine.api.FilterNode;
+import org.thingsboard.rule.engine.api.TransformationNode;
 import org.thingsboard.server.common.data.plugin.ComponentDescriptor;
 import org.thingsboard.server.common.data.plugin.ComponentType;
 import org.thingsboard.server.dao.component.ComponentDescriptorService;
@@ -79,8 +83,7 @@ public class AnnotationComponentDiscoveryService implements ComponentDiscoverySe
     private List<ComponentDescriptor> persist(Set<BeanDefinition> filterDefs, ComponentType type) {
         List<ComponentDescriptor> result = new ArrayList<>();
         for (BeanDefinition def : filterDefs) {
-            ComponentDescriptor scannedComponent = scanAndPersistComponent(def, type);
-            result.add(scannedComponent);
+            result.add(scanAndPersistComponent(def, type));
         }
         return result;
     }
@@ -93,24 +96,36 @@ public class AnnotationComponentDiscoveryService implements ComponentDiscoverySe
             Class<?> clazz = Class.forName(clazzName);
             String descriptorResourceName;
             switch (type) {
+                case ENRICHMENT:
+                    EnrichmentNode enrichmentAnnotation = clazz.getAnnotation(EnrichmentNode.class);
+                    scannedComponent.setName(enrichmentAnnotation.name());
+                    scannedComponent.setScope(enrichmentAnnotation.scope());
+                    descriptorResourceName = enrichmentAnnotation.descriptor();
+                    break;
                 case FILTER:
-                    Filter filterAnnotation = clazz.getAnnotation(Filter.class);
+                    FilterNode filterAnnotation = clazz.getAnnotation(FilterNode.class);
                     scannedComponent.setName(filterAnnotation.name());
                     scannedComponent.setScope(filterAnnotation.scope());
                     descriptorResourceName = filterAnnotation.descriptor();
                     break;
-                case PROCESSOR:
-                    Processor processorAnnotation = clazz.getAnnotation(Processor.class);
-                    scannedComponent.setName(processorAnnotation.name());
-                    scannedComponent.setScope(processorAnnotation.scope());
-                    descriptorResourceName = processorAnnotation.descriptor();
+                case TRANSFORMATION:
+                    TransformationNode trAnnotation = clazz.getAnnotation(TransformationNode.class);
+                    scannedComponent.setName(trAnnotation.name());
+                    scannedComponent.setScope(trAnnotation.scope());
+                    descriptorResourceName = trAnnotation.descriptor();
                     break;
                 case ACTION:
-                    Action actionAnnotation = clazz.getAnnotation(Action.class);
+                    ActionNode actionAnnotation = clazz.getAnnotation(ActionNode.class);
                     scannedComponent.setName(actionAnnotation.name());
                     scannedComponent.setScope(actionAnnotation.scope());
                     descriptorResourceName = actionAnnotation.descriptor();
                     break;
+                case OLD_ACTION:
+                    Action oldActionAnnotation = clazz.getAnnotation(Action.class);
+                    scannedComponent.setName(oldActionAnnotation.name());
+                    scannedComponent.setScope(oldActionAnnotation.scope());
+                    descriptorResourceName = oldActionAnnotation.descriptor();
+                    break;
                 case PLUGIN:
                     Plugin pluginAnnotation = clazz.getAnnotation(Plugin.class);
                     scannedComponent.setName(pluginAnnotation.name());
@@ -122,12 +137,12 @@ public class AnnotationComponentDiscoveryService implements ComponentDiscoverySe
                                     log.error("Can't initialize plugin {}, due to missing action {}!", def.getBeanClassName(), actionClazz.getName());
                                     return new ClassNotFoundException("Action: " + actionClazz.getName() + "is missing!");
                                 });
-                        if (actionComponent.getType() != ComponentType.ACTION) {
+                        if (actionComponent.getType() != ComponentType.OLD_ACTION) {
                             log.error("Plugin {} action {} has wrong component type!", def.getBeanClassName(), actionClazz.getName(), actionComponent.getType());
                             throw new RuntimeException("Plugin " + def.getBeanClassName() + "action " + actionClazz.getName() + " has wrong component type!");
                         }
                     }
-                    scannedComponent.setActions(Arrays.stream(pluginAnnotation.actions()).map(action -> action.getName()).collect(Collectors.joining(",")));
+                    scannedComponent.setActions(Arrays.stream(pluginAnnotation.actions()).map(Class::getName).collect(Collectors.joining(",")));
                     break;
                 default:
                     throw new RuntimeException(type + " is not supported yet!");
@@ -168,11 +183,15 @@ public class AnnotationComponentDiscoveryService implements ComponentDiscoverySe
 
     @Override
     public void discoverComponents() {
-        registerComponents(ComponentType.FILTER, Filter.class);
+        registerComponents(ComponentType.ENRICHMENT, EnrichmentNode.class);
+
+        registerComponents(ComponentType.FILTER, FilterNode.class);
+
+        registerComponents(ComponentType.TRANSFORMATION, TransformationNode.class);
 
-        registerComponents(ComponentType.PROCESSOR, Processor.class);
+        registerComponents(ComponentType.ACTION, ActionNode.class);
 
-        registerComponents(ComponentType.ACTION, Action.class);
+        registerComponents(ComponentType.OLD_ACTION, Action.class);
 
         registerComponents(ComponentType.PLUGIN, Plugin.class);
 
@@ -199,7 +218,7 @@ public class AnnotationComponentDiscoveryService implements ComponentDiscoverySe
             }
             List<ComponentDescriptor> result = new ArrayList<>();
             for (String action : plugin.getActions().split(",")) {
-                getComponent(action).ifPresent(v -> result.add(v));
+                getComponent(action).ifPresent(result::add);
             }
             return result;
         } else {

application/src/main/resources/thingsboard.yml

@@ -62,7 +62,7 @@ cluster:
 # Plugins configuration parameters
 plugins:
   # Comma seperated package list used during classpath scanning for plugins
-  scan_packages: "${PLUGINS_SCAN_PACKAGES:org.thingsboard.server.extensions}"
+  scan_packages: "${PLUGINS_SCAN_PACKAGES:org.thingsboard.server.extensions,org.thingsboard.rule.engine}"
 
 # JWT Token parameters
 security.jwt:
@@ -215,6 +215,12 @@ actors:
     termination.delay: "${ACTORS_RULE_TERMINATION_DELAY:30000}"
     # Errors for particular actor are persisted once per specified amount of milliseconds
     error_persist_frequency: "${ACTORS_RULE_ERROR_FREQUENCY:3000}"
+    chain:
+      # Errors for particular actor are persisted once per specified amount of milliseconds
+      error_persist_frequency: "${ACTORS_RULE_CHAIN_ERROR_FREQUENCY:3000}"
+    node:
+      # Errors for particular actor are persisted once per specified amount of milliseconds
+      error_persist_frequency: "${ACTORS_RULE_NODE_ERROR_FREQUENCY:3000}"
   statistics:
     # Enable/disable actor statistics
     enabled: "${ACTORS_STATISTICS_ENABLED:true}"

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

@@ -96,6 +96,8 @@ import static org.springframework.test.web.servlet.setup.MockMvcBuilders.webAppC
 @Slf4j
 public abstract class AbstractControllerTest {
 
+    protected ObjectMapper mapper = new ObjectMapper();
+
     protected static final String TEST_TENANT_NAME = "TEST TENANT";
 
     protected static final String SYS_ADMIN_EMAIL = "sysadmin@thingsboard.org";

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

@@ -0,0 +1,56 @@
+/**
+ * Copyright © 2016-2018 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.fasterxml.jackson.core.type.TypeReference;
+import org.thingsboard.server.common.data.DataConstants;
+import org.thingsboard.server.common.data.Event;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.id.RuleChainId;
+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.rule.RuleChain;
+import org.thingsboard.server.common.data.rule.RuleChainMetaData;
+
+/**
+ * Created by ashvayka on 20.03.18.
+ */
+public class AbstractRuleEngineControllerTest extends AbstractControllerTest {
+
+    protected RuleChain saveRuleChain(RuleChain ruleChain) throws Exception {
+        return doPost("/api/ruleChain", ruleChain, RuleChain.class);
+    }
+
+    protected RuleChain getRuleChain(RuleChainId ruleChainId) throws Exception {
+        return doGet("/api/ruleChain/" + ruleChainId.getId().toString(), RuleChain.class);
+    }
+
+    protected RuleChainMetaData saveRuleChainMetaData(RuleChainMetaData ruleChainMD) throws Exception {
+        return doPost("/api/ruleChain/metadata", ruleChainMD, RuleChainMetaData.class);
+    }
+
+    protected RuleChainMetaData getRuleChainMetaData(RuleChainId ruleChainId) throws Exception {
+        return doGet("/api/ruleChain/metadata/" + ruleChainId.getId().toString(), RuleChainMetaData.class);
+    }
+
+    protected TimePageData<Event> getDebugEvents(TenantId tenantId, EntityId entityId, int limit) throws Exception {
+        TimePageLink pageLink = new TimePageLink(limit);
+        return doGetTypedWithTimePageLink("/api/events/{entityType}/{entityId}/{eventType}?tenantId={tenantId}&",
+                new TypeReference<TimePageData<Event>>() {
+                }, pageLink, entityId.getEntityType(), entityId.getId(), DataConstants.DEBUG, tenantId.getId());
+    }
+}

application/src/main/java/org/thingsboard/server/actors/rule/RuleContextAwareMsgProcessor.java → application/src/test/java/org/thingsboard/server/rules/RuleEngineSqlTestSuite.java

@@ -13,21 +13,23 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.actors.rule;
+package org.thingsboard.server.rules;
 
-import org.thingsboard.server.actors.ActorSystemContext;
-import org.thingsboard.server.actors.shared.AbstractContextAwareMsgProcessor;
-import org.thingsboard.server.common.data.id.RuleId;
+import org.junit.ClassRule;
+import org.junit.extensions.cpsuite.ClasspathSuite;
+import org.junit.runner.RunWith;
+import org.thingsboard.server.dao.CustomSqlUnit;
 
-import akka.event.LoggingAdapter;
+import java.util.Arrays;
 
-public class RuleContextAwareMsgProcessor extends AbstractContextAwareMsgProcessor {
-
-    private final RuleId ruleId;
-    
-    protected RuleContextAwareMsgProcessor(ActorSystemContext systemContext, LoggingAdapter logger, RuleId ruleId) {
-        super(systemContext, logger);
-        this.ruleId = ruleId;
-    }
+@RunWith(ClasspathSuite.class)
+@ClasspathSuite.ClassnameFilters({
+        "org.thingsboard.server.rules.flow.*Test"})
+public class RuleEngineSqlTestSuite {
 
+    @ClassRule
+    public static CustomSqlUnit sqlUnit = new CustomSqlUnit(
+            Arrays.asList("sql/schema.sql", "sql/system-data.sql"),
+            "sql/drop-all-tables.sql",
+            "sql-test.properties");
 }

application/src/test/java/org/thingsboard/server/rules/flow/AbstractRuleEngineFlowIntegrationTest.java

@@ -0,0 +1,190 @@
+/**
+ * Copyright © 2016-2018 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.rules.flow;
+
+import com.datastax.driver.core.utils.UUIDs;
+import lombok.Data;
+import lombok.extern.slf4j.Slf4j;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.thingsboard.rule.engine.metadata.TbGetAttributesNodeConfiguration;
+import org.thingsboard.server.actors.service.ActorService;
+import org.thingsboard.server.common.data.*;
+import org.thingsboard.server.common.data.kv.BaseAttributeKvEntry;
+import org.thingsboard.server.common.data.kv.StringDataEntry;
+import org.thingsboard.server.common.data.page.TimePageData;
+import org.thingsboard.server.common.data.rule.RuleChain;
+import org.thingsboard.server.common.data.rule.RuleChainMetaData;
+import org.thingsboard.server.common.data.rule.RuleNode;
+import org.thingsboard.server.common.data.security.Authority;
+import org.thingsboard.server.common.msg.TbMsg;
+import org.thingsboard.server.common.msg.TbMsgMetaData;
+import org.thingsboard.server.common.msg.system.ServiceToRuleEngineMsg;
+import org.thingsboard.server.controller.AbstractRuleEngineControllerTest;
+import org.thingsboard.server.dao.attributes.AttributesService;
+import org.thingsboard.server.dao.rule.RuleChainService;
+
+import java.util.Arrays;
+import java.util.Collections;
+
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+/**
+ * @author Valerii Sosliuk
+ */
+@Slf4j
+public abstract class AbstractRuleEngineFlowIntegrationTest extends AbstractRuleEngineControllerTest {
+
+    protected Tenant savedTenant;
+    protected User tenantAdmin;
+
+    @Autowired
+    protected ActorService actorService;
+
+    @Autowired
+    protected AttributesService attributesService;
+
+    @Autowired
+    protected RuleChainService ruleChainService;
+
+    @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");
+
+        createUserAndLogin(tenantAdmin, "testPassword1");
+    }
+
+    @After
+    public void afterTest() throws Exception {
+        loginSysAdmin();
+        if (savedTenant != null) {
+            doDelete("/api/tenant/" + savedTenant.getId().getId().toString()).andExpect(status().isOk());
+        }
+    }
+
+    @Test
+    public void testRuleChainWithTwoRules() throws Exception {
+        // Creating Rule Chain
+        RuleChain ruleChain = new RuleChain();
+        ruleChain.setName("Simple Rule Chain");
+        ruleChain.setTenantId(savedTenant.getId());
+        ruleChain.setRoot(true);
+        ruleChain.setDebugMode(true);
+        ruleChain = saveRuleChain(ruleChain);
+        Assert.assertNull(ruleChain.getFirstRuleNodeId());
+
+        RuleChainMetaData metaData = new RuleChainMetaData();
+        metaData.setRuleChainId(ruleChain.getId());
+
+        RuleNode ruleNode1 = new RuleNode();
+        ruleNode1.setName("Simple Rule Node 1");
+        ruleNode1.setType(org.thingsboard.rule.engine.metadata.TbGetAttributesNode.class.getName());
+        ruleNode1.setDebugMode(true);
+        TbGetAttributesNodeConfiguration configuration1 = new TbGetAttributesNodeConfiguration();
+        configuration1.setServerAttributeNames(Collections.singletonList("serverAttributeKey1"));
+        ruleNode1.setConfiguration(mapper.valueToTree(configuration1));
+
+        RuleNode ruleNode2 = new RuleNode();
+        ruleNode2.setName("Simple Rule Node 2");
+        ruleNode2.setType(org.thingsboard.rule.engine.metadata.TbGetAttributesNode.class.getName());
+        ruleNode2.setDebugMode(true);
+        TbGetAttributesNodeConfiguration configuration2 = new TbGetAttributesNodeConfiguration();
+        configuration2.setServerAttributeNames(Collections.singletonList("serverAttributeKey2"));
+        ruleNode2.setConfiguration(mapper.valueToTree(configuration2));
+
+
+        metaData.setNodes(Arrays.asList(ruleNode1, ruleNode2));
+        metaData.setFirstNodeIndex(0);
+        metaData.addConnectionInfo(0, 1, "Success");
+        metaData = saveRuleChainMetaData(metaData);
+        Assert.assertNotNull(metaData);
+
+        ruleChain = getRuleChain(ruleChain.getId());
+        Assert.assertNotNull(ruleChain.getFirstRuleNodeId());
+
+        // Saving the device
+        Device device = new Device();
+        device.setName("My device");
+        device.setType("default");
+        device = doPost("/api/device", device, Device.class);
+
+        attributesService.save(device.getId(), DataConstants.SERVER_SCOPE,
+                Collections.singletonList(new BaseAttributeKvEntry(new StringDataEntry("serverAttributeKey1", "serverAttributeValue1"), System.currentTimeMillis())));
+        attributesService.save(device.getId(), DataConstants.SERVER_SCOPE,
+                Collections.singletonList(new BaseAttributeKvEntry(new StringDataEntry("serverAttributeKey2", "serverAttributeValue2"), System.currentTimeMillis())));
+
+
+        Thread.sleep(1000);
+
+        // Pushing Message to the system
+        TbMsg tbMsg = new TbMsg(UUIDs.timeBased(),
+                "CUSTOM",
+                device.getId(),
+                new TbMsgMetaData(),
+                new byte[]{});
+        actorService.onMsg(new ServiceToRuleEngineMsg(savedTenant.getId(), tbMsg));
+
+        Thread.sleep(3000);
+
+        TimePageData<Event> events = getDebugEvents(savedTenant.getId(), ruleChain.getFirstRuleNodeId(), 1000);
+
+        Assert.assertEquals(2, events.getData().size());
+
+        Event inEvent = events.getData().stream().filter(e -> e.getBody().get("type").asText().equals(DataConstants.IN)).findFirst().get();
+        Assert.assertEquals(ruleChain.getFirstRuleNodeId(), inEvent.getEntityId());
+        Assert.assertEquals(device.getId().getId().toString(), inEvent.getBody().get("entityId").asText());
+
+        Event outEvent = events.getData().stream().filter(e -> e.getBody().get("type").asText().equals(DataConstants.OUT)).findFirst().get();
+        Assert.assertEquals(ruleChain.getFirstRuleNodeId(), outEvent.getEntityId());
+        Assert.assertEquals(device.getId().getId().toString(), outEvent.getBody().get("entityId").asText());
+
+        Assert.assertEquals("serverAttributeValue1", outEvent.getBody().get("metadata").get("ss.serverAttributeKey1").asText());
+
+        RuleChain finalRuleChain = ruleChain;
+        RuleNode lastRuleNode = metaData.getNodes().stream().filter(node -> !node.getId().equals(finalRuleChain.getFirstRuleNodeId())).findFirst().get();
+
+        events = getDebugEvents(savedTenant.getId(), lastRuleNode.getId(), 1000);
+
+        Assert.assertEquals(2, events.getData().size());
+
+        inEvent = events.getData().stream().filter(e -> e.getBody().get("type").asText().equals(DataConstants.IN)).findFirst().get();
+        Assert.assertEquals(lastRuleNode.getId(), inEvent.getEntityId());
+        Assert.assertEquals(device.getId().getId().toString(), inEvent.getBody().get("entityId").asText());
+
+        outEvent = events.getData().stream().filter(e -> e.getBody().get("type").asText().equals(DataConstants.OUT)).findFirst().get();
+        Assert.assertEquals(lastRuleNode.getId(), outEvent.getEntityId());
+        Assert.assertEquals(device.getId().getId().toString(), outEvent.getBody().get("entityId").asText());
+
+        Assert.assertEquals("serverAttributeValue1", outEvent.getBody().get("metadata").get("ss.serverAttributeKey1").asText());
+        Assert.assertEquals("serverAttributeValue2", outEvent.getBody().get("metadata").get("ss.serverAttributeKey2").asText());
+    }
+
+}

dao/src/test/java/org/thingsboard/server/dao/service/rule/sql/RuleServiceSqlTest.java → application/src/test/java/org/thingsboard/server/rules/flow/RuleEngineFlowSqlIntegrationTest.java

@@ -13,11 +13,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.dao.service.rule.sql;
+package org.thingsboard.server.rules.flow;
 
 import org.thingsboard.server.dao.service.DaoSqlTest;
-import org.thingsboard.server.dao.service.rule.BaseRuleServiceTest;
+import org.thingsboard.server.mqtt.rpc.AbstractMqttServerSideRpcIntegrationTest;
 
+/**
+ * Created by Valerii Sosliuk on 8/22/2017.
+ */
 @DaoSqlTest
-public class RuleServiceSqlTest extends BaseRuleServiceTest {
+public class RuleEngineFlowSqlIntegrationTest extends AbstractRuleEngineFlowIntegrationTest {
 }

application/src/test/java/org/thingsboard/server/rules/lifecycle/AbstractRuleEngineLifecycleIntegrationTest.java

@@ -0,0 +1,158 @@
+/**
+ * Copyright © 2016-2018 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.rules.lifecycle;
+
+import com.datastax.driver.core.utils.UUIDs;
+import lombok.extern.slf4j.Slf4j;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.thingsboard.rule.engine.metadata.TbGetAttributesNodeConfiguration;
+import org.thingsboard.server.actors.service.ActorService;
+import org.thingsboard.server.common.data.DataConstants;
+import org.thingsboard.server.common.data.Device;
+import org.thingsboard.server.common.data.Event;
+import org.thingsboard.server.common.data.Tenant;
+import org.thingsboard.server.common.data.User;
+import org.thingsboard.server.common.data.kv.BaseAttributeKvEntry;
+import org.thingsboard.server.common.data.kv.StringDataEntry;
+import org.thingsboard.server.common.data.page.TimePageData;
+import org.thingsboard.server.common.data.rule.RuleChain;
+import org.thingsboard.server.common.data.rule.RuleChainMetaData;
+import org.thingsboard.server.common.data.rule.RuleNode;
+import org.thingsboard.server.common.data.security.Authority;
+import org.thingsboard.server.common.msg.TbMsg;
+import org.thingsboard.server.common.msg.TbMsgMetaData;
+import org.thingsboard.server.common.msg.system.ServiceToRuleEngineMsg;
+import org.thingsboard.server.controller.AbstractRuleEngineControllerTest;
+import org.thingsboard.server.dao.attributes.AttributesService;
+
+import java.util.Collections;
+
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+/**
+ * @author Valerii Sosliuk
+ */
+@Slf4j
+public abstract class AbstractRuleEngineLifecycleIntegrationTest extends AbstractRuleEngineControllerTest {
+
+    protected Tenant savedTenant;
+    protected User tenantAdmin;
+
+    @Autowired
+    protected ActorService actorService;
+
+    @Autowired
+    protected AttributesService attributesService;
+
+    @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");
+
+        createUserAndLogin(tenantAdmin, "testPassword1");
+    }
+
+    @After
+    public void afterTest() throws Exception {
+        loginSysAdmin();
+        if (savedTenant != null) {
+            doDelete("/api/tenant/" + savedTenant.getId().getId().toString()).andExpect(status().isOk());
+        }
+    }
+
+    @Test
+    public void testRuleChainWithOneRule() throws Exception {
+        // Creating Rule Chain
+        RuleChain ruleChain = new RuleChain();
+        ruleChain.setName("Simple Rule Chain");
+        ruleChain.setTenantId(savedTenant.getId());
+        ruleChain.setRoot(true);
+        ruleChain.setDebugMode(true);
+        ruleChain = saveRuleChain(ruleChain);
+        Assert.assertNull(ruleChain.getFirstRuleNodeId());
+
+        RuleChainMetaData metaData = new RuleChainMetaData();
+        metaData.setRuleChainId(ruleChain.getId());
+
+        RuleNode ruleNode = new RuleNode();
+        ruleNode.setName("Simple Rule Node");
+        ruleNode.setType(org.thingsboard.rule.engine.metadata.TbGetAttributesNode.class.getName());
+        ruleNode.setDebugMode(true);
+        TbGetAttributesNodeConfiguration configuration = new TbGetAttributesNodeConfiguration();
+        configuration.setServerAttributeNames(Collections.singletonList("serverAttributeKey"));
+        ruleNode.setConfiguration(mapper.valueToTree(configuration));
+
+        metaData.setNodes(Collections.singletonList(ruleNode));
+        metaData.setFirstNodeIndex(0);
+
+        metaData = saveRuleChainMetaData(metaData);
+        Assert.assertNotNull(metaData);
+
+        ruleChain = getRuleChain(ruleChain.getId());
+        Assert.assertNotNull(ruleChain.getFirstRuleNodeId());
+
+        // Saving the device
+        Device device = new Device();
+        device.setName("My device");
+        device.setType("default");
+        device = doPost("/api/device", device, Device.class);
+
+        attributesService.save(device.getId(), DataConstants.SERVER_SCOPE,
+                Collections.singletonList(new BaseAttributeKvEntry(new StringDataEntry("serverAttributeKey", "serverAttributeValue"), System.currentTimeMillis())));
+
+        Thread.sleep(1000);
+
+        // Pushing Message to the system
+        TbMsg tbMsg = new TbMsg(UUIDs.timeBased(),
+                "CUSTOM",
+                device.getId(),
+                new TbMsgMetaData(),
+                new byte[]{});
+        actorService.onMsg(new ServiceToRuleEngineMsg(savedTenant.getId(), tbMsg));
+
+        Thread.sleep(3000);
+
+        TimePageData<Event> events = getDebugEvents(savedTenant.getId(), ruleChain.getFirstRuleNodeId(), 1000);
+
+        Assert.assertEquals(2, events.getData().size());
+
+        Event inEvent = events.getData().stream().filter(e -> e.getBody().get("type").asText().equals(DataConstants.IN)).findFirst().get();
+        Assert.assertEquals(ruleChain.getFirstRuleNodeId(), inEvent.getEntityId());
+        Assert.assertEquals(device.getId().getId().toString(), inEvent.getBody().get("entityId").asText());
+
+        Event outEvent = events.getData().stream().filter(e -> e.getBody().get("type").asText().equals(DataConstants.OUT)).findFirst().get();
+        Assert.assertEquals(ruleChain.getFirstRuleNodeId(), outEvent.getEntityId());
+        Assert.assertEquals(device.getId().getId().toString(), outEvent.getBody().get("entityId").asText());
+
+        Assert.assertEquals("serverAttributeValue", outEvent.getBody().get("metadata").get("ss.serverAttributeKey").asText());
+    }
+
+}

application/src/test/java/org/thingsboard/server/rules/lifecycle/RuleEngineLifecycleSqlIntegrationTest.java

@@ -0,0 +1,26 @@
+/**
+ * Copyright © 2016-2018 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.rules.lifecycle;
+
+import org.thingsboard.server.dao.service.DaoSqlTest;
+import org.thingsboard.server.rules.flow.AbstractRuleEngineFlowIntegrationTest;
+
+/**
+ * Created by Valerii Sosliuk on 8/22/2017.
+ */
+@DaoSqlTest
+public class RuleEngineLifecycleSqlIntegrationTest extends AbstractRuleEngineLifecycleIntegrationTest {
+}

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

@@ -37,7 +37,12 @@ public class DataConstants {
     public static final String ERROR = "ERROR";
     public static final String LC_EVENT = "LC_EVENT";
     public static final String STATS = "STATS";
+    public static final String DEBUG = "DEBUG";
 
     public static final String ONEWAY = "ONEWAY";
     public static final String TWOWAY = "TWOWAY";
+
+    public static final String IN = "IN";
+    public static final String OUT = "OUT";
+
 }

common/data/src/main/java/org/thingsboard/server/common/data/page/PageDataIterable.java

@@ -20,6 +20,7 @@ import java.util.List;
 import java.util.NoSuchElementException;
 
 import org.thingsboard.server.common.data.SearchTextBased;
+import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.id.UUIDBased;
 
 public class PageDataIterable<T extends SearchTextBased<? extends UUIDBased>> implements Iterable<T>, Iterator<T> {

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

@@ -20,6 +20,6 @@ package org.thingsboard.server.common.data.plugin;
  */
 public enum ComponentType {
 
-    FILTER, PROCESSOR, ACTION, PLUGIN
+    ENRICHMENT, FILTER, TRANSFORMATION, ACTION, OLD_ACTION, PLUGIN
 
 }

dao/src/test/java/org/thingsboard/server/dao/service/rule/nosql/RuleServiceNoSqlTest.java → common/data/src/main/java/org/thingsboard/server/common/data/rule/NodeConnectionInfo.java

@@ -13,11 +13,16 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.dao.service.rule.nosql;
+package org.thingsboard.server.common.data.rule;
 
-import org.thingsboard.server.dao.service.DaoNoSqlTest;
-import org.thingsboard.server.dao.service.rule.BaseRuleServiceTest;
+import lombok.Data;
 
-@DaoNoSqlTest
-public class RuleServiceNoSqlTest extends BaseRuleServiceTest {
+/**
+ * Created by ashvayka on 21.03.18.
+ */
+@Data
+public class NodeConnectionInfo {
+    private int fromIndex;
+    private int toIndex;
+    private String type;
 }

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

@@ -38,6 +38,7 @@ public class RuleChain extends SearchTextBasedWithAdditionalInfo<RuleChainId> im
     private String name;
     private RuleNodeId firstRuleNodeId;
     private boolean root;
+    private boolean debugMode;
     private transient JsonNode configuration;
     @JsonIgnore
     private byte[] configurationBytes;

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

@@ -0,0 +1,29 @@
+/**
+ * Copyright © 2016-2018 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.rule;
+
+import lombok.Data;
+import org.thingsboard.server.common.data.id.RuleChainId;
+
+/**
+ * Created by ashvayka on 21.03.18.
+ */
+@Data
+public class RuleChainConnectionInfo {
+    private int fromIndex;
+    private RuleChainId targetRuleChainId;
+    private String type;
+}

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

@@ -58,18 +58,4 @@ public class RuleChainMetaData {
         ruleChainConnections.add(connectionInfo);
     }
 
-    @Data
-    public class NodeConnectionInfo {
-        private int fromIndex;
-        private int toIndex;
-        private String type;
-    }
-
-    @Data
-    public class RuleChainConnectionInfo {
-        private int fromIndex;
-        private RuleChainId targetRuleChainId;
-        private String type;
-    }
-
 }

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

@@ -34,6 +34,7 @@ public class RuleNode extends SearchTextBasedWithAdditionalInfo<RuleNodeId> impl
 
     private String type;
     private String name;
+    private boolean debugMode;
     private transient JsonNode configuration;
     @JsonIgnore
     private byte[] configurationBytes;

common/message/src/main/java/org/thingsboard/server/common/msg/MsgType.java

@@ -0,0 +1,57 @@
+/**
+ * Copyright © 2016-2018 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.msg;
+
+/**
+ * Created by ashvayka on 15.03.18.
+ */
+public enum MsgType {
+
+    /**
+     * ADDED/UPDATED/DELETED events for main entities.
+     *
+     * @See {@link org.thingsboard.server.common.msg.plugin.ComponentLifecycleMsg}
+     */
+    COMPONENT_LIFE_CYCLE_MSG,
+
+    /**
+     * Misc messages from the REST API/SERVICE layer to the new rule engine.
+     *
+     * @See {@link org.thingsboard.server.common.msg.system.ServiceToRuleEngineMsg}
+     */
+    SERVICE_TO_RULE_ENGINE_MSG,
+
+
+    SESSION_TO_DEVICE_ACTOR_MSG,
+    DEVICE_ACTOR_TO_SESSION_MSG,
+
+
+    /**
+     * Message that is sent by RuleChainActor to RuleActor with command to process TbMsg.
+     */
+    RULE_CHAIN_TO_RULE_MSG,
+
+    /**
+     * Message that is sent by RuleActor to RuleChainActor with command to process TbMsg by next nodes in chain.
+     */
+    RULE_TO_RULE_CHAIN_TELL_NEXT_MSG,
+
+    /**
+     * Message that is sent by RuleActor implementation to RuleActor itself to log the error.
+     */
+    RULE_TO_SELF_ERROR_MSG,
+
+}

application/src/main/java/org/thingsboard/server/actors/rule/RuleActorChain.java → common/message/src/main/java/org/thingsboard/server/common/msg/TbActorMsg.java

@@ -13,12 +13,13 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.actors.rule;
+package org.thingsboard.server.common.msg;
 
-public interface RuleActorChain {
-
-    int size();
+/**
+ * Created by ashvayka on 15.03.18.
+ */
+public interface TbActorMsg {
 
-    RuleActorMetaData getRuleActorMd(int index);
+    MsgType getMsgType();
 
 }

common/message/src/main/java/org/thingsboard/server/common/msg/TbMsg.java

@@ -17,6 +17,7 @@ package org.thingsboard.server.common.msg;
 
 import com.google.protobuf.ByteString;
 import com.google.protobuf.InvalidProtocolBufferException;
+import lombok.AllArgsConstructor;
 import lombok.Data;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.id.EntityIdFactory;
@@ -30,18 +31,23 @@ import java.util.UUID;
  * Created by ashvayka on 13.01.18.
  */
 @Data
-public final class TbMsg implements Serializable, Cloneable {
+@AllArgsConstructor
+public final class TbMsg implements Serializable {
 
     private final UUID id;
     private final String type;
     private final EntityId originator;
     private final TbMsgMetaData metaData;
-
+    private final TbMsgDataType dataType;
     private final byte[] data;
 
-    @Override
-    public TbMsg clone() {
-        return fromBytes(toBytes(this));
+    public TbMsg(UUID id, String type, EntityId originator, TbMsgMetaData metaData, byte[] data) {
+        this.id = id;
+        this.type = type;
+        this.originator = originator;
+        this.metaData = metaData;
+        this.dataType = TbMsgDataType.JSON;
+        this.data = data;
     }
 
     public static ByteBuffer toBytes(TbMsg msg) {
@@ -54,11 +60,10 @@ public final class TbMsg implements Serializable, Cloneable {
         }
 
         if (msg.getMetaData() != null) {
-            MsgProtos.TbMsgProto.TbMsgMetaDataProto.Builder metadataBuilder = MsgProtos.TbMsgProto.TbMsgMetaDataProto.newBuilder();
-            metadataBuilder.putAllData(msg.getMetaData().getData());
-            builder.addMetaData(metadataBuilder.build());
+            builder.setMetaData(MsgProtos.TbMsgMetaDataProto.newBuilder().putAllData(msg.getMetaData().getData()).build());
         }
 
+        builder.setDataType(msg.getDataType().ordinal());
         builder.setData(ByteString.copyFrom(msg.getData()));
         byte[] bytes = builder.build().toByteArray();
         return ByteBuffer.wrap(bytes);
@@ -67,20 +72,19 @@ public final class TbMsg implements Serializable, Cloneable {
     public static TbMsg fromBytes(ByteBuffer buffer) {
         try {
             MsgProtos.TbMsgProto proto = MsgProtos.TbMsgProto.parseFrom(buffer.array());
-            TbMsgMetaData metaData = new TbMsgMetaData();
-            if (proto.getMetaDataCount() > 0) {
-                metaData.setData(proto.getMetaData(0).getDataMap());
-            }
-
-            EntityId entityId = null;
-            if (proto.getEntityId() != null) {
-                entityId = EntityIdFactory.getByTypeAndId(proto.getEntityType(), proto.getEntityId());
-            }
-
-            return new TbMsg(UUID.fromString(proto.getId()), proto.getType(), entityId, metaData, proto.getData().toByteArray());
+            TbMsgMetaData metaData = new TbMsgMetaData(proto.getMetaData().getDataMap());
+            EntityId entityId = EntityIdFactory.getByTypeAndId(proto.getEntityType(), proto.getEntityId());
+            TbMsgDataType dataType = TbMsgDataType.values()[proto.getDataType()];
+            return new TbMsg(UUID.fromString(proto.getId()), proto.getType(), entityId, metaData, dataType, proto.getData().toByteArray());
         } catch (InvalidProtocolBufferException e) {
             throw new IllegalStateException("Could not parse protobuf for TbMsg", e);
         }
     }
 
+    public TbMsg copy() {
+        int dataSize = data.length;
+        byte[] dataCopy = new byte[dataSize];
+        System.arraycopy( data, 0, dataCopy, 0, data.length );
+        return new TbMsg(id, type, originator, metaData.copy(), dataType, dataCopy);
+    }
 }

application/src/main/java/org/thingsboard/server/actors/rule/CompoundRuleActorChain.java → common/message/src/main/java/org/thingsboard/server/common/msg/TbMsgDataType.java

@@ -13,8 +13,14 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.actors.rule;
+package org.thingsboard.server.common.msg;
 
-public class CompoundRuleActorChain {
+/**
+ * Created by ashvayka on 15.03.18.
+ */
+public enum TbMsgDataType {
+
+    // Do not change ordering. We use ordinal to save some bytes on serialization
+    JSON, TEXT, BINARY;
 
 }

common/message/src/main/java/org/thingsboard/server/common/msg/TbMsgMetaData.java

@@ -15,9 +15,12 @@
  */
 package org.thingsboard.server.common.msg;
 
+import lombok.AllArgsConstructor;
 import lombok.Data;
+import lombok.NoArgsConstructor;
 
 import java.io.Serializable;
+import java.util.HashMap;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
@@ -25,10 +28,15 @@ import java.util.concurrent.ConcurrentHashMap;
  * Created by ashvayka on 13.01.18.
  */
 @Data
+@NoArgsConstructor
 public final class TbMsgMetaData implements Serializable {
 
     private Map<String, String> data = new ConcurrentHashMap<>();
 
+    TbMsgMetaData(Map<String, String> data) {
+        this.data = data;
+    }
+
     public String getValue(String key) {
         return data.get(key);
     }
@@ -37,4 +45,7 @@ public final class TbMsgMetaData implements Serializable {
         data.put(key, value);
     }
 
+    public TbMsgMetaData copy() {
+        return new TbMsgMetaData(new ConcurrentHashMap<>(data));
+    }
 }

common/message/src/main/java/org/thingsboard/server/common/msg/plugin/ComponentLifecycleMsg.java

@@ -15,14 +15,14 @@
  */
 package org.thingsboard.server.common.msg.plugin;
 
-import lombok.Data;
 import lombok.Getter;
 import lombok.ToString;
-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.EntityType;
+import org.thingsboard.server.common.data.id.*;
 import org.thingsboard.server.common.data.plugin.ComponentLifecycleEvent;
-import org.thingsboard.server.common.data.plugin.ComponentLifecycleState;
+import org.thingsboard.server.common.data.rule.RuleChain;
+import org.thingsboard.server.common.msg.MsgType;
+import org.thingsboard.server.common.msg.TbActorMsg;
 import org.thingsboard.server.common.msg.aware.TenantAwareMsg;
 import org.thingsboard.server.common.msg.cluster.ToAllNodesMsg;
 
@@ -32,34 +32,34 @@ import java.util.Optional;
  * @author Andrew Shvayka
  */
 @ToString
-public class ComponentLifecycleMsg implements TenantAwareMsg, ToAllNodesMsg {
+public class ComponentLifecycleMsg implements TbActorMsg, TenantAwareMsg, ToAllNodesMsg {
     @Getter
     private final TenantId tenantId;
-    private final PluginId pluginId;
-    private final RuleId ruleId;
+    @Getter
+    private final EntityId entityId;
     @Getter
     private final ComponentLifecycleEvent event;
 
-    public static ComponentLifecycleMsg forPlugin(TenantId tenantId, PluginId pluginId, ComponentLifecycleEvent event) {
-        return new ComponentLifecycleMsg(tenantId, pluginId, null, event);
-    }
-
-    public static ComponentLifecycleMsg forRule(TenantId tenantId, RuleId ruleId, ComponentLifecycleEvent event) {
-        return new ComponentLifecycleMsg(tenantId, null, ruleId, event);
-    }
-
-    private ComponentLifecycleMsg(TenantId tenantId, PluginId pluginId, RuleId ruleId, ComponentLifecycleEvent event) {
+    public ComponentLifecycleMsg(TenantId tenantId, EntityId entityId, ComponentLifecycleEvent event) {
         this.tenantId = tenantId;
-        this.pluginId = pluginId;
-        this.ruleId = ruleId;
+        this.entityId = entityId;
         this.event = event;
     }
 
     public Optional<PluginId> getPluginId() {
-        return Optional.ofNullable(pluginId);
+        return entityId.getEntityType() == EntityType.PLUGIN ? Optional.of((PluginId) entityId) : Optional.empty();
     }
 
     public Optional<RuleId> getRuleId() {
-        return Optional.ofNullable(ruleId);
+        return entityId.getEntityType() == EntityType.RULE ? Optional.of((RuleId) entityId) : Optional.empty();
+    }
+
+    public Optional<RuleChainId> getRuleChainId() {
+        return entityId.getEntityType() == EntityType.RULE_CHAIN ? Optional.of((RuleChainId) entityId) : Optional.empty();
+    }
+
+    @Override
+    public MsgType getMsgType() {
+        return MsgType.COMPONENT_LIFE_CYCLE_MSG;
     }
 }

application/src/main/java/org/thingsboard/server/actors/rule/SimpleRuleActorChain.java → common/message/src/main/java/org/thingsboard/server/common/msg/system/ServiceToRuleEngineMsg.java

@@ -13,27 +13,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.server.actors.rule;
+package org.thingsboard.server.common.msg.system;
 
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Set;
+import lombok.Data;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.msg.MsgType;
+import org.thingsboard.server.common.msg.TbActorMsg;
+import org.thingsboard.server.common.msg.TbMsg;
 
-public class SimpleRuleActorChain implements RuleActorChain {
-
-    private final List<RuleActorMetaData> rules;
-
-    public SimpleRuleActorChain(Set<RuleActorMetaData> ruleSet) {
-        rules = new ArrayList<>(ruleSet);
-        rules.sort(RuleActorMetaData.RULE_ACTOR_MD_COMPARATOR);
-    }
+/**
+ * Created by ashvayka on 15.03.18.
+ */
+@Data
+public final class ServiceToRuleEngineMsg implements TbActorMsg {
 
-    public int size() {
-        return rules.size();
-    }
+    private final TenantId tenantId;
+    private final TbMsg tbMsg;
 
-    public RuleActorMetaData getRuleActorMd(int index) {
-        return rules.get(index);
+    @Override
+    public MsgType getMsgType() {
+        return MsgType.SERVICE_TO_RULE_ENGINE_MSG;
     }
-
 }

common/message/src/main/proto/tbmsg.proto

@@ -19,6 +19,9 @@ package msgqueue;
 option java_package = "org.thingsboard.server.common.msg.gen";
 option java_outer_classname = "MsgProtos";
 
+message TbMsgMetaDataProto {
+    map<string, string> data = 1;
+}
 
 message TbMsgProto {
     string id = 1;
@@ -26,11 +29,8 @@ message TbMsgProto {
     string entityType = 3;
     string entityId = 4;
 
-    message TbMsgMetaDataProto {
-        map<string, string> data = 1;
-    }
+    TbMsgMetaDataProto metaData = 5;
 
-    repeated TbMsgMetaDataProto metaData = 5;
-
-    bytes data = 6;
+    int32 dataType = 6;
+    bytes data = 7;
 }

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

@@ -332,6 +332,8 @@ public class ModelConstants {
     public static final String EVENT_BY_TYPE_AND_ID_VIEW_NAME = "event_by_type_and_id";
     public static final String EVENT_BY_ID_VIEW_NAME = "event_by_id";
 
+    public static final String DEBUG_MODE = "debug_mode";
+
     /**
      * Cassandra rule chain constants.
      */

dao/src/main/java/org/thingsboard/server/dao/model/nosql/RuleChainEntity.java

@@ -22,6 +22,8 @@ import com.datastax.driver.mapping.annotations.PartitionKey;
 import com.datastax.driver.mapping.annotations.Table;
 import com.fasterxml.jackson.databind.JsonNode;
 import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.Setter;
 import lombok.ToString;
 import org.thingsboard.server.common.data.id.RuleChainId;
 import org.thingsboard.server.common.data.id.RuleNodeId;
@@ -54,6 +56,10 @@ public class RuleChainEntity implements SearchTextEntity<RuleChain> {
     private UUID firstRuleNodeId;
     @Column(name = RULE_CHAIN_ROOT_PROPERTY)
     private boolean root;
+    @Getter
+    @Setter
+    @Column(name = DEBUG_MODE)
+    private boolean debugMode;
     @Column(name = RULE_CHAIN_CONFIGURATION_PROPERTY, codec = JsonCodec.class)
     private JsonNode configuration;
     @Column(name = ADDITIONAL_INFO_PROPERTY, codec = JsonCodec.class)
@@ -71,6 +77,7 @@ public class RuleChainEntity implements SearchTextEntity<RuleChain> {
         this.searchText = ruleChain.getName();
         this.firstRuleNodeId = DaoUtil.getId(ruleChain.getFirstRuleNodeId());
         this.root = ruleChain.isRoot();
+        this.debugMode = ruleChain.isDebugMode();
         this.configuration = ruleChain.getConfiguration();
         this.additionalInfo = ruleChain.getAdditionalInfo();
     }
@@ -157,6 +164,7 @@ public class RuleChainEntity implements SearchTextEntity<RuleChain> {
             ruleChain.setFirstRuleNodeId(new RuleNodeId(this.firstRuleNodeId));
         }
         ruleChain.setRoot(this.root);
+        ruleChain.setDebugMode(this.debugMode);
         ruleChain.setConfiguration(this.configuration);
         ruleChain.setAdditionalInfo(this.additionalInfo);
         return ruleChain;

dao/src/main/java/org/thingsboard/server/dao/model/nosql/RuleNodeEntity.java

@@ -21,6 +21,8 @@ import com.datastax.driver.mapping.annotations.PartitionKey;
 import com.datastax.driver.mapping.annotations.Table;
 import com.fasterxml.jackson.databind.JsonNode;
 import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.Setter;
 import lombok.ToString;
 import org.thingsboard.server.common.data.id.RuleNodeId;
 import org.thingsboard.server.common.data.rule.RuleNode;
@@ -49,6 +51,11 @@ public class RuleNodeEntity implements SearchTextEntity<RuleNode> {
     private JsonNode configuration;
     @Column(name = ADDITIONAL_INFO_PROPERTY, codec = JsonCodec.class)
     private JsonNode additionalInfo;
+    @Getter
+    @Setter
+    @Column(name = DEBUG_MODE)
+    private boolean debugMode;
+
 
     public RuleNodeEntity() {
     }
@@ -59,6 +66,7 @@ public class RuleNodeEntity implements SearchTextEntity<RuleNode> {
         }
         this.type = ruleNode.getType();
         this.name = ruleNode.getName();
+        this.debugMode = ruleNode.isDebugMode();
         this.searchText = ruleNode.getName();
         this.configuration = ruleNode.getConfiguration();
         this.additionalInfo = ruleNode.getAdditionalInfo();
@@ -126,6 +134,7 @@ public class RuleNodeEntity implements SearchTextEntity<RuleNode> {
         ruleNode.setCreatedTime(UUIDs.unixTimestamp(id));
         ruleNode.setType(this.type);
         ruleNode.setName(this.name);
+        ruleNode.setDebugMode(this.debugMode);
         ruleNode.setConfiguration(this.configuration);
         ruleNode.setAdditionalInfo(this.additionalInfo);
         return ruleNode;

dao/src/main/java/org/thingsboard/server/dao/model/sql/RuleChainEntity.java

@@ -58,6 +58,9 @@ public class RuleChainEntity extends BaseSqlEntity<RuleChain> implements SearchT
     @Column(name = ModelConstants.RULE_CHAIN_ROOT_PROPERTY)
     private boolean root;
 
+    @Column(name = ModelConstants.DEBUG_MODE)
+    private boolean debugMode;
+
     @Type(type = "json")
     @Column(name = ModelConstants.RULE_CHAIN_CONFIGURATION_PROPERTY)
     private JsonNode configuration;
@@ -80,6 +83,7 @@ public class RuleChainEntity extends BaseSqlEntity<RuleChain> implements SearchT
             this.firstRuleNodeId = UUIDConverter.fromTimeUUID(ruleChain.getFirstRuleNodeId().getId());
         }
         this.root = ruleChain.isRoot();
+        this.debugMode = ruleChain.isDebugMode();
         this.configuration = ruleChain.getConfiguration();
         this.additionalInfo = ruleChain.getAdditionalInfo();
     }
@@ -104,6 +108,7 @@ public class RuleChainEntity extends BaseSqlEntity<RuleChain> implements SearchT
             ruleChain.setFirstRuleNodeId(new RuleNodeId(UUIDConverter.fromString(firstRuleNodeId)));
         }
         ruleChain.setRoot(root);
+        ruleChain.setDebugMode(debugMode);
         ruleChain.setConfiguration(configuration);
         ruleChain.setAdditionalInfo(additionalInfo);
         return ruleChain;

dao/src/main/java/org/thingsboard/server/dao/model/sql/RuleNodeEntity.java

@@ -56,6 +56,9 @@ public class RuleNodeEntity extends BaseSqlEntity<RuleNode> implements SearchTex
     @Column(name = ModelConstants.ADDITIONAL_INFO_PROPERTY)
     private JsonNode additionalInfo;
 
+    @Column(name = ModelConstants.DEBUG_MODE)
+    private boolean debugMode;
+
     public RuleNodeEntity() {
     }
 
@@ -65,6 +68,7 @@ public class RuleNodeEntity extends BaseSqlEntity<RuleNode> implements SearchTex
         }
         this.type = ruleNode.getType();
         this.name = ruleNode.getName();
+        this.debugMode = ruleNode.isDebugMode();
         this.searchText = ruleNode.getName();
         this.configuration = ruleNode.getConfiguration();
         this.additionalInfo = ruleNode.getAdditionalInfo();
@@ -86,6 +90,7 @@ public class RuleNodeEntity extends BaseSqlEntity<RuleNode> implements SearchTex
         ruleNode.setCreatedTime(UUIDs.unixTimestamp(getId()));
         ruleNode.setType(type);
         ruleNode.setName(name);
+        ruleNode.setDebugMode(debugMode);
         ruleNode.setConfiguration(configuration);
         ruleNode.setAdditionalInfo(additionalInfo);
         return ruleNode;

dao/src/main/java/org/thingsboard/server/dao/queue/QueueBenchmark.java

@@ -32,6 +32,7 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
 import org.thingsboard.server.common.msg.TbMsg;
+import org.thingsboard.server.common.msg.TbMsgDataType;
 import org.thingsboard.server.common.msg.TbMsgMetaData;
 
 import javax.annotation.Nullable;
@@ -125,7 +126,7 @@ public class QueueBenchmark implements CommandLineRunner {
         TbMsgMetaData metaData = new TbMsgMetaData();
         metaData.putValue("key", "value");
         String dataStr = "someContent";
-        return new TbMsg(UUIDs.timeBased(), "type", null, metaData, dataStr.getBytes());
+        return new TbMsg(UUIDs.timeBased(), "type", null, metaData, TbMsgDataType.JSON, dataStr.getBytes());
     }
 
     @Bean

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

@@ -31,7 +31,9 @@ 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.common.data.relation.RelationTypeGroup;
+import org.thingsboard.server.common.data.rule.NodeConnectionInfo;
 import org.thingsboard.server.common.data.rule.RuleChain;
+import org.thingsboard.server.common.data.rule.RuleChainConnectionInfo;
 import org.thingsboard.server.common.data.rule.RuleChainMetaData;
 import org.thingsboard.server.common.data.rule.RuleNode;
 import org.thingsboard.server.dao.entity.AbstractEntityService;
@@ -148,7 +150,7 @@ public class BaseRuleChainService extends AbstractEntityService implements RuleC
             ruleChainDao.save(ruleChain);
         }
         if (ruleChainMetaData.getConnections() != null) {
-            for (RuleChainMetaData.NodeConnectionInfo nodeConnection : ruleChainMetaData.getConnections()) {
+            for (NodeConnectionInfo nodeConnection : ruleChainMetaData.getConnections()) {
                 EntityId from = nodes.get(nodeConnection.getFromIndex()).getId();
                 EntityId to = nodes.get(nodeConnection.getToIndex()).getId();
                 String type = nodeConnection.getType();
@@ -161,7 +163,7 @@ public class BaseRuleChainService extends AbstractEntityService implements RuleC
             }
         }
         if (ruleChainMetaData.getRuleChainConnections() != null) {
-            for (RuleChainMetaData.RuleChainConnectionInfo nodeToRuleChainConnection : ruleChainMetaData.getRuleChainConnections()) {
+            for (RuleChainConnectionInfo nodeToRuleChainConnection : ruleChainMetaData.getRuleChainConnections()) {
                 EntityId from = nodes.get(nodeToRuleChainConnection.getFromIndex()).getId();
                 EntityId to = nodeToRuleChainConnection.getTargetRuleChainId();
                 String type = nodeToRuleChainConnection.getType();
@@ -219,6 +221,12 @@ public class BaseRuleChainService extends AbstractEntityService implements RuleC
         return ruleChainDao.findById(ruleChainId.getId());
     }
 
+    @Override
+    public RuleNode findRuleNodeById(RuleNodeId ruleNodeId) {
+        Validator.validateId(ruleNodeId, "Incorrect rule node id for search request.");
+        return ruleNodeDao.findById(ruleNodeId.getId());
+    }
+
     @Override
     public ListenableFuture<RuleChain> findRuleChainByIdAsync(RuleChainId ruleChainId) {
         Validator.validateId(ruleChainId, "Incorrect rule chain id for search request.");
@@ -308,7 +316,7 @@ public class BaseRuleChainService extends AbstractEntityService implements RuleC
 
     private void createRelation(EntityRelation relation) throws ExecutionException, InterruptedException {
         log.debug("Creating relation: {}", relation);
-        relationService.saveRelationAsync(relation).get();
+        relationService.saveRelation(relation);
     }
 
     private DataValidator<RuleChain> ruleChainValidator =
@@ -325,7 +333,7 @@ public class BaseRuleChainService extends AbstractEntityService implements RuleC
                         }
                         if (ruleChain.isRoot()) {
                             RuleChain rootRuleChain = getRootTenantRuleChain(ruleChain.getTenantId());
-                            if (ruleChain.getId() == null || !ruleChain.getId().equals(rootRuleChain.getId())) {
+                            if (rootRuleChain != null && !rootRuleChain.getId().equals(ruleChain.getId())) {
                                 throw new DataValidationException("Another root rule chain is present in scope of current tenant!");
                             }
                         }

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

@@ -16,7 +16,6 @@
 package org.thingsboard.server.dao.rule;
 
 import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.google.common.util.concurrent.ListenableFuture;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
@@ -67,67 +66,7 @@ public class BaseRuleService extends AbstractEntityService implements RuleServic
 
     @Override
     public RuleMetaData saveRule(RuleMetaData rule) {
-        ruleValidator.validate(rule);
-        if (rule.getTenantId() == null) {
-            log.trace("Save system rule metadata with predefined id {}", systemTenantId);
-            rule.setTenantId(systemTenantId);
-        }
-        if (rule.getId() != null) {
-            RuleMetaData oldVersion = ruleDao.findById(rule.getId());
-            if (rule.getState() == null) {
-                rule.setState(oldVersion.getState());
-            } else if (rule.getState() != oldVersion.getState()) {
-                throw new IncorrectParameterException("Use Activate/Suspend method to control state of the rule!");
-            }
-        } else {
-            if (rule.getState() == null) {
-                rule.setState(ComponentLifecycleState.SUSPENDED);
-            } else if (rule.getState() != ComponentLifecycleState.SUSPENDED) {
-                throw new IncorrectParameterException("Use Activate/Suspend method to control state of the rule!");
-            }
-        }
-
-        validateFilters(rule.getFilters());
-        if (rule.getProcessor() != null && !rule.getProcessor().isNull()) {
-            validateComponentJson(rule.getProcessor(), ComponentType.PROCESSOR);
-        }
-        if (rule.getAction() != null && !rule.getAction().isNull()) {
-            validateComponentJson(rule.getAction(), ComponentType.ACTION);
-        }
-        validateRuleAndPluginState(rule);
-        return ruleDao.save(rule);
-    }
-
-    private void validateFilters(JsonNode filtersJson) {
-        if (filtersJson == null || filtersJson.isNull()) {
-            throw new IncorrectParameterException("Rule filters are required!");
-        }
-        if (!filtersJson.isArray()) {
-            throw new IncorrectParameterException("Filters json is not an array!");
-        }
-        ArrayNode filtersArray = (ArrayNode) filtersJson;
-        for (int i = 0; i < filtersArray.size(); i++) {
-            validateComponentJson(filtersArray.get(i), ComponentType.FILTER);
-        }
-    }
-
-    private void validateComponentJson(JsonNode json, ComponentType type) {
-        if (json == null || json.isNull()) {
-            throw new IncorrectParameterException(type.name() + " is required!");
-        }
-        String clazz = getIfValid(type.name(), json, "clazz", JsonNode::isTextual, JsonNode::asText);
-        String name = getIfValid(type.name(), json, "name", JsonNode::isTextual, JsonNode::asText);
-        JsonNode configuration = getIfValid(type.name(), json, "configuration", JsonNode::isObject, node -> node);
-        ComponentDescriptor descriptor = componentDescriptorService.findByClazz(clazz);
-        if (descriptor == null) {
-            throw new IncorrectParameterException(type.name() + " clazz " + clazz + " is not a valid component!");
-        }
-        if (descriptor.getType() != type) {
-            throw new IncorrectParameterException("Clazz " + clazz + " is not a valid " + type.name() + " component!");
-        }
-        if (!componentDescriptorService.validate(descriptor, configuration)) {
-            throw new IncorrectParameterException(type.name() + " configuration is not valid!");
-        }
+        throw new RuntimeException("Not supported since v1.5!");
     }
 
     private void validateRuleAndPluginState(RuleMetaData rule) {

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

@@ -42,6 +42,8 @@ public interface RuleChainService {
 
     RuleChain findRuleChainById(RuleChainId ruleChainId);
 
+    RuleNode findRuleNodeById(RuleNodeId ruleNodeId);
+
     ListenableFuture<RuleChain> findRuleChainByIdAsync(RuleChainId ruleChainId);
 
     RuleChain getRootTenantRuleChain(TenantId tenantId);

dao/src/main/resources/cassandra/schema.cql

@@ -669,6 +669,7 @@ CREATE TABLE IF NOT EXISTS  thingsboard.rule_chain (
     search_text text,
     first_rule_node_id uuid,
     root boolean,
+    debug_mode boolean,
     configuration text,
     additional_info text,
     PRIMARY KEY (id, tenant_id)
@@ -685,6 +686,7 @@ CREATE TABLE IF NOT EXISTS  thingsboard.rule_node (
     id uuid,
     type text,
     name text,
+    debug_mode boolean,
     search_text text,
     configuration text,
     additional_info text,

dao/src/main/resources/sql/schema.sql

@@ -263,6 +263,7 @@ CREATE TABLE IF NOT EXISTS rule_chain (
     name varchar(255),
     first_rule_node_id varchar(31),
     root boolean,
+    debug_mode boolean,
     search_text varchar(255),
     tenant_id varchar(31)
 );
@@ -273,5 +274,6 @@ CREATE TABLE IF NOT EXISTS rule_node (
     configuration varchar(10000000),
     type varchar(255),
     name varchar(255),
+    debug_mode boolean,
     search_text varchar(255)
 );

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

@@ -217,10 +217,10 @@ public abstract class AbstractServiceTest {
         ruleMetaData.setWeight(weight);
         ruleMetaData.setPluginToken(pluginToken);
 
-        ruleMetaData.setAction(createNode(ComponentScope.TENANT, ComponentType.ACTION,
+        ruleMetaData.setAction(createNode(ComponentScope.TENANT, ComponentType.OLD_ACTION,
                 "org.thingsboard.component.ActionTest", "TestJsonDescriptor.json", "TestJsonData.json"));
-        ruleMetaData.setProcessor(createNode(ComponentScope.TENANT, ComponentType.PROCESSOR,
-                "org.thingsboard.component.ProcessorTest", "TestJsonDescriptor.json", "TestJsonData.json"));
+//        ruleMetaData.setProcessor(createNode(ComponentScope.TENANT, ComponentType.PROCESSOR,
+//                "org.thingsboard.component.ProcessorTest", "TestJsonDescriptor.json", "TestJsonData.json"));
         ruleMetaData.setFilters(mapper.createArrayNode().add(
                 createNode(ComponentScope.TENANT, ComponentType.FILTER,
                         "org.thingsboard.component.FilterTest", "TestJsonDescriptor.json", "TestJsonData.json")

dao/src/test/java/org/thingsboard/server/dao/service/queue/cassandra/UnprocessedMsgFilterTest.java

@@ -33,8 +33,8 @@ public class UnprocessedMsgFilterTest {
     public void acknowledgedMsgsAreFilteredOut() {
         UUID id1 = UUID.randomUUID();
         UUID id2 = UUID.randomUUID();
-        TbMsg msg1 = new TbMsg(id1, "T", null, null, null);
-        TbMsg msg2 = new TbMsg(id2, "T", null, null, null);
+        TbMsg msg1 = new TbMsg(id1, "T", null, null, null, null);
+        TbMsg msg2 = new TbMsg(id2, "T", null, null, null, null);
         List<TbMsg> msgs = Lists.newArrayList(msg1, msg2);
         List<MsgAck> acks = Lists.newArrayList(new MsgAck(id2, UUID.randomUUID(), 1L, 1L));
         Collection<TbMsg> actual = msgFilter.filter(msgs, acks);

dao/src/test/java/org/thingsboard/server/dao/service/queue/cassandra/repository/impl/CassandraMsgRepositoryTest.java

@@ -24,6 +24,7 @@ import org.junit.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.thingsboard.server.common.data.id.DeviceId;
 import org.thingsboard.server.common.msg.TbMsg;
+import org.thingsboard.server.common.msg.TbMsgDataType;
 import org.thingsboard.server.common.msg.TbMsgMetaData;
 import org.thingsboard.server.dao.service.AbstractServiceTest;
 import org.thingsboard.server.dao.service.DaoNoSqlTest;
@@ -44,7 +45,7 @@ public class CassandraMsgRepositoryTest extends AbstractServiceTest {
 
     @Test
     public void msgCanBeSavedAndRead() throws ExecutionException, InterruptedException {
-        TbMsg msg = new TbMsg(UUIDs.timeBased(), "type", new DeviceId(UUIDs.timeBased()), null, new byte[4]);
+        TbMsg msg = new TbMsg(UUIDs.timeBased(), "type", new DeviceId(UUIDs.timeBased()), null, TbMsgDataType.JSON, new byte[4]);
         UUID nodeId = UUIDs.timeBased();
         ListenableFuture<Void> future = msgRepository.save(msg, nodeId, 1L, 1L, 1L);
         future.get();
@@ -54,7 +55,7 @@ public class CassandraMsgRepositoryTest extends AbstractServiceTest {
 
     @Test
     public void expiredMsgsAreNotReturned() throws ExecutionException, InterruptedException {
-        TbMsg msg = new TbMsg(UUIDs.timeBased(), "type", new DeviceId(UUIDs.timeBased()), null, new byte[4]);
+        TbMsg msg = new TbMsg(UUIDs.timeBased(), "type", new DeviceId(UUIDs.timeBased()), null, TbMsgDataType.JSON, new byte[4]);
         UUID nodeId = UUIDs.timeBased();
         ListenableFuture<Void> future = msgRepository.save(msg, nodeId, 2L, 2L, 2L);
         future.get();
@@ -67,7 +68,7 @@ public class CassandraMsgRepositoryTest extends AbstractServiceTest {
         TbMsgMetaData metaData = new TbMsgMetaData();
         metaData.putValue("key", "value");
         String dataStr = "someContent";
-        TbMsg msg = new TbMsg(UUIDs.timeBased(), "type", new DeviceId(UUIDs.timeBased()), metaData, dataStr.getBytes());
+        TbMsg msg = new TbMsg(UUIDs.timeBased(), "type", new DeviceId(UUIDs.timeBased()), metaData, TbMsgDataType.JSON, dataStr.getBytes());
         UUID nodeId = UUIDs.timeBased();
         ListenableFuture<Void> future = msgRepository.save(msg, nodeId, 1L, 1L, 1L);
         future.get();

dao/src/test/java/org/thingsboard/server/dao/service/rule/BaseRuleServiceTest.java

@@ -1,163 +0,0 @@
-/**
- * Copyright © 2016-2018 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.rule;
-
-import com.datastax.driver.core.utils.UUIDs;
-import org.junit.Assert;
-import org.junit.Test;
-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.common.data.plugin.PluginMetaData;
-import org.thingsboard.server.common.data.rule.RuleMetaData;
-import org.thingsboard.server.dao.model.ModelConstants;
-import org.thingsboard.server.dao.service.AbstractServiceTest;
-
-import java.util.List;
-import java.util.concurrent.ThreadLocalRandom;
-
-public abstract class BaseRuleServiceTest extends AbstractServiceTest {
-
-    @Test
-    public void saveRule() throws Exception {
-        PluginMetaData plugin = generatePlugin(null, "testPluginToken" + ThreadLocalRandom.current().nextInt());
-        pluginService.savePlugin(plugin);
-        RuleMetaData ruleMetaData = ruleService.saveRule(generateRule(plugin.getTenantId(), null, plugin.getApiToken()));
-        Assert.assertNotNull(ruleMetaData.getId());
-        Assert.assertNotNull(ruleMetaData.getAdditionalInfo());
-        ruleMetaData.setAdditionalInfo(mapper.readTree("{\"description\":\"test\"}"));
-        RuleMetaData newRuleMetaData = ruleService.saveRule(ruleMetaData);
-        Assert.assertEquals(ruleMetaData.getAdditionalInfo(), newRuleMetaData.getAdditionalInfo());
-    }
-
-    @Test
-    public void findRuleById() throws Exception {
-        PluginMetaData plugin = generatePlugin(null, "testPluginToken" + ThreadLocalRandom.current().nextInt());
-        pluginService.savePlugin(plugin);
-
-        RuleMetaData expected = ruleService.saveRule(generateRule(plugin.getTenantId(), null, plugin.getApiToken()));
-        Assert.assertNotNull(expected.getId());
-        RuleMetaData found = ruleService.findRuleById(expected.getId());
-        Assert.assertEquals(expected, found);
-    }
-
-    @Test
-    public void findPluginRules() throws Exception {
-        TenantId tenantIdA = new TenantId(UUIDs.timeBased());
-        TenantId tenantIdB = new TenantId(UUIDs.timeBased());
-
-        PluginMetaData pluginA = generatePlugin(tenantIdA, "testPluginToken" + ThreadLocalRandom.current().nextInt());
-        PluginMetaData pluginB = generatePlugin(tenantIdB, "testPluginToken" + ThreadLocalRandom.current().nextInt());
-        pluginService.savePlugin(pluginA);
-        pluginService.savePlugin(pluginB);
-
-        ruleService.saveRule(generateRule(tenantIdA, null, pluginA.getApiToken()));
-        ruleService.saveRule(generateRule(tenantIdA, null, pluginA.getApiToken()));
-        ruleService.saveRule(generateRule(tenantIdA, null, pluginA.getApiToken()));
-
-        ruleService.saveRule(generateRule(tenantIdB, null, pluginB.getApiToken()));
-        ruleService.saveRule(generateRule(tenantIdB, null, pluginB.getApiToken()));
-
-        List<RuleMetaData> foundA = ruleService.findPluginRules(pluginA.getApiToken());
-        Assert.assertEquals(3, foundA.size());
-
-        List<RuleMetaData> foundB = ruleService.findPluginRules(pluginB.getApiToken());
-        Assert.assertEquals(2, foundB.size());
-    }
-
-    @Test
-    public void findSystemRules() throws Exception {
-        TenantId systemTenant = new TenantId(ModelConstants.NULL_UUID); // system tenant id
-
-        PluginMetaData plugin = generatePlugin(systemTenant, "testPluginToken" + ThreadLocalRandom.current().nextInt());
-        pluginService.savePlugin(plugin);
-        ruleService.saveRule(generateRule(systemTenant, null, plugin.getApiToken()));
-        ruleService.saveRule(generateRule(systemTenant, null, plugin.getApiToken()));
-        ruleService.saveRule(generateRule(systemTenant, null, plugin.getApiToken()));
-        TextPageData<RuleMetaData> found = ruleService.findSystemRules(new TextPageLink(100));
-        Assert.assertEquals(3, found.getData().size());
-    }
-
-    @Test
-    public void findTenantRules() throws Exception {
-        TenantId tenantIdA = new TenantId(UUIDs.timeBased());
-        TenantId tenantIdB = new TenantId(UUIDs.timeBased());
-
-        PluginMetaData pluginA = generatePlugin(tenantIdA, "testPluginToken" + ThreadLocalRandom.current().nextInt());
-        PluginMetaData pluginB = generatePlugin(tenantIdB, "testPluginToken" + ThreadLocalRandom.current().nextInt());
-        pluginService.savePlugin(pluginA);
-        pluginService.savePlugin(pluginB);
-
-        ruleService.saveRule(generateRule(tenantIdA, null, pluginA.getApiToken()));
-        ruleService.saveRule(generateRule(tenantIdA, null, pluginA.getApiToken()));
-        ruleService.saveRule(generateRule(tenantIdA, null, pluginA.getApiToken()));
-
-        ruleService.saveRule(generateRule(tenantIdB, null, pluginB.getApiToken()));
-        ruleService.saveRule(generateRule(tenantIdB, null, pluginB.getApiToken()));
-
-        TextPageData<RuleMetaData> foundA = ruleService.findTenantRules(tenantIdA, new TextPageLink(100));
-        Assert.assertEquals(3, foundA.getData().size());
-
-        TextPageData<RuleMetaData> foundB = ruleService.findTenantRules(tenantIdB, new TextPageLink(100));
-        Assert.assertEquals(2, foundB.getData().size());
-    }
-
-    @Test
-    public void deleteRuleById() throws Exception {
-        PluginMetaData plugin = generatePlugin(null, "testPluginToken" + ThreadLocalRandom.current().nextInt());
-        pluginService.savePlugin(plugin);
-
-        RuleMetaData expected = ruleService.saveRule(generateRule(plugin.getTenantId(), null, plugin.getApiToken()));
-        Assert.assertNotNull(expected.getId());
-        RuleMetaData found = ruleService.findRuleById(expected.getId());
-        Assert.assertEquals(expected, found);
-        ruleService.deleteRuleById(expected.getId());
-        found = ruleService.findRuleById(expected.getId());
-        Assert.assertNull(found);
-    }
-
-    @Test
-    public void deleteRulesByTenantId() throws Exception {
-        TenantId tenantIdA = new TenantId(UUIDs.timeBased());
-        TenantId tenantIdB = new TenantId(UUIDs.timeBased());
-
-        PluginMetaData pluginA = generatePlugin(tenantIdA, "testPluginToken" + ThreadLocalRandom.current().nextInt());
-        PluginMetaData pluginB = generatePlugin(tenantIdB, "testPluginToken" + ThreadLocalRandom.current().nextInt());
-        pluginService.savePlugin(pluginA);
-        pluginService.savePlugin(pluginB);
-
-        ruleService.saveRule(generateRule(tenantIdA, null, pluginA.getApiToken()));
-        ruleService.saveRule(generateRule(tenantIdA, null, pluginA.getApiToken()));
-        ruleService.saveRule(generateRule(tenantIdA, null, pluginA.getApiToken()));
-
-        ruleService.saveRule(generateRule(tenantIdB, null, pluginB.getApiToken()));
-        ruleService.saveRule(generateRule(tenantIdB, null, pluginB.getApiToken()));
-
-        TextPageData<RuleMetaData> foundA = ruleService.findTenantRules(tenantIdA, new TextPageLink(100));
-        Assert.assertEquals(3, foundA.getData().size());
-
-        TextPageData<RuleMetaData> foundB = ruleService.findTenantRules(tenantIdB, new TextPageLink(100));
-        Assert.assertEquals(2, foundB.getData().size());
-
-        ruleService.deleteRulesByTenantId(tenantIdA);
-
-        foundA = ruleService.findTenantRules(tenantIdA, new TextPageLink(100));
-        Assert.assertEquals(0, foundA.getData().size());
-
-        foundB = ruleService.findTenantRules(tenantIdB, new TextPageLink(100));
-        Assert.assertEquals(2, foundB.getData().size());
-    }
-}

pom.xml

@@ -378,6 +378,11 @@
                 <artifactId>rule-engine-api</artifactId>
                 <version>${project.version}</version>
             </dependency>
+            <dependency>
+                <groupId>org.thingsboard.rule-engine</groupId>
+                <artifactId>rule-engine-components</artifactId>
+                <version>${project.version}</version>
+            </dependency>
             <dependency>
                 <groupId>org.thingsboard.common</groupId>
                 <artifactId>message</artifactId>

rule-engine/rule-engine-api/src/main/java/org/thingsboard/rule/engine/api/ActionNode.java

@@ -0,0 +1,43 @@
+/**
+ * Copyright © 2016-2018 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.rule.engine.api;
+
+import org.thingsboard.server.common.data.plugin.ComponentScope;
+import org.thingsboard.server.extensions.api.component.EmptyComponentConfiguration;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * @author Andrew Shvayka
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface ActionNode {
+
+    String name();
+
+    ComponentScope scope() default ComponentScope.TENANT;
+
+    String descriptor() default "EmptyNodeDescriptor.json";
+
+    String[] relationTypes() default {"Success","Failure"};
+
+    boolean customRelations() default false;
+
+}

rule-engine/rule-engine-api/src/main/java/org/thingsboard/rule/engine/api/EnrichmentNode.java

@@ -0,0 +1,42 @@
+/**
+ * Copyright © 2016-2018 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.rule.engine.api;
+
+import org.thingsboard.server.common.data.plugin.ComponentScope;
+import org.thingsboard.server.extensions.api.component.EmptyComponentConfiguration;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * @author Andrew Shvayka
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface EnrichmentNode {
+
+    String name();
+
+    ComponentScope scope() default ComponentScope.TENANT;
+
+    String descriptor() default "EmptyNodeDescriptor.json";
+
+    String[] relationTypes() default {"Success","Failure"};
+
+    boolean customRelations() default false;
+}

rule-engine/rule-engine-api/src/main/java/org/thingsboard/rule/engine/api/FilterNode.java

@@ -0,0 +1,43 @@
+/**
+ * Copyright © 2016-2018 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.rule.engine.api;
+
+import org.thingsboard.server.common.data.plugin.ComponentScope;
+import org.thingsboard.server.extensions.api.component.EmptyComponentConfiguration;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * @author Andrew Shvayka
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface FilterNode {
+
+    String name();
+
+    ComponentScope scope() default ComponentScope.TENANT;
+
+    String descriptor() default "EmptyNodeDescriptor.json";
+
+    String[] relationTypes() default {"Success","Failure"};
+
+    boolean customRelations() default false;
+
+}

rule-engine/rule-engine-api/src/main/java/org/thingsboard/rule/engine/api/TbContext.java

@@ -51,7 +51,7 @@ public interface TbContext {
 
     void spawn(TbMsg msg);
 
-    void ack(UUID msg);
+    void ack(TbMsg msg);
 
     void tellError(TbMsg msg, Throwable th);
 
@@ -61,8 +61,6 @@ public interface TbContext {
 
     UserService getUserService();
 
-    RuleService getRuleService();
-
     PluginService getPluginService();
 
     AssetService getAssetService();

rule-engine/rule-engine-api/src/main/java/org/thingsboard/rule/engine/api/TbNodeConfiguration.java

@@ -22,8 +22,8 @@ import lombok.Data;
  * Created by ashvayka on 19.01.18.
  */
 @Data
-public class TbNodeConfiguration {
+public final class TbNodeConfiguration {
 
-    private JsonNode data;
+    private final JsonNode data;
 
 }

rule-engine/rule-engine-api/src/main/java/org/thingsboard/rule/engine/api/TbNodeState.java

@@ -18,5 +18,5 @@ package org.thingsboard.rule.engine.api;
 /**
  * Created by ashvayka on 19.01.18.
  */
-public class TbNodeState {
+public final class TbNodeState {
 }

rule-engine/rule-engine-api/src/main/java/org/thingsboard/rule/engine/api/TransformationNode.java

@@ -0,0 +1,43 @@
+/**
+ * Copyright © 2016-2018 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.rule.engine.api;
+
+import org.thingsboard.server.common.data.plugin.ComponentScope;
+import org.thingsboard.server.extensions.api.component.EmptyComponentConfiguration;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * @author Andrew Shvayka
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE)
+public @interface TransformationNode {
+
+    String name();
+
+    ComponentScope scope() default ComponentScope.TENANT;
+
+    String descriptor() default "EmptyNodeDescriptor.json";
+
+    String[] relationTypes() default {"Success","Failure"};
+
+    boolean customRelations() default false;
+
+}