add alarm ack/clear event to the Rule Engine

@@ -605,6 +605,12 @@ public abstract class BaseController {
             case ATTRIBUTES_DELETED:
                 msgType = DataConstants.ATTRIBUTES_DELETED;
                 break;
+            case ALARM_ACK:
+                msgType = DataConstants.ALARM_ACK;
+                break;
+            case ALARM_CLEAR:
+                msgType = DataConstants.ALARM_CLEAR;
+                break;
         }
         if (!StringUtils.isEmpty(msgType)) {
             try {

@@ -57,6 +57,8 @@ public class DataConstants {
     public static final String ENTITY_UNASSIGNED = "ENTITY_UNASSIGNED";
     public static final String ATTRIBUTES_UPDATED = "ATTRIBUTES_UPDATED";
     public static final String ATTRIBUTES_DELETED = "ATTRIBUTES_DELETED";
+    public static final String ALARM_ACK = "ALARM_ACK";
+    public static final String ALARM_CLEAR = "ALARM_CLEAR";
 
     public static final String RPC_CALL_FROM_SERVER_TO_DEVICE = "RPC_CALL_FROM_SERVER_TO_DEVICE";
 

@@ -30,7 +30,7 @@ import org.thingsboard.server.common.msg.session.SessionMsgType;
         configClazz = EmptyNodeConfiguration.class,
         relationTypes = {"Post attributes", "Post telemetry", "RPC Request from Device", "RPC Request to Device", "Activity Event", "Inactivity Event",
                 "Connect Event", "Disconnect Event", "Entity Created", "Entity Updated", "Entity Deleted", "Entity Assigned",
-                "Entity Unassigned", "Attributes Updated", "Attributes Deleted", "Other"},
+                "Entity Unassigned", "Attributes Updated", "Attributes Deleted", "Alarm Acknowledged", "Alarm Cleared", "Other"},
         nodeDescription = "Route incoming messages by Message Type",
         nodeDetails = "Sends messages with message types <b>\"Post attributes\", \"Post telemetry\", \"RPC Request\"</b> etc. via corresponding chain, otherwise <b>Other</b> chain is used.",
         uiResources = {"static/rulenode/rulenode-core-config.js"},
@@ -75,6 +75,10 @@ public class TbMsgTypeSwitchNode implements TbNode {
             relationType = "Attributes Updated";
         } else if (msg.getType().equals(DataConstants.ATTRIBUTES_DELETED)) {
             relationType = "Attributes Deleted";
+        } else if (msg.getType().equals(DataConstants.ALARM_ACK)) {
+            relationType = "Alarm Acknowledged";
+        } else if (msg.getType().equals(DataConstants.ALARM_CLEAR)) {
+            relationType = "Alarm Cleared";
         } else if (msg.getType().equals(DataConstants.RPC_CALL_FROM_SERVER_TO_DEVICE)) {
             relationType = "RPC Request to Device";
         } else {