Merge branch 'develop/3.2' of https://github.com/thingsboard/thingsboard into fe…

…ature/device-provision-3.2-onlyProfileVersion

@@ -282,6 +282,8 @@ public class MqttTransportHandler extends ChannelInboundHandlerAdapter implement
         }
         }
     }
     }
 
 
+
+
     private <T> TransportServiceCallback<Void> getPubAckCallback(final ChannelHandlerContext ctx, final int msgId, final T msg) {
     private <T> TransportServiceCallback<Void> getPubAckCallback(final ChannelHandlerContext ctx, final int msgId, final T msg) {
         return new TransportServiceCallback<Void>() {
         return new TransportServiceCallback<Void>() {
             @Override
             @Override

@@ -34,7 +34,7 @@ public class JacksonUtil {
             return fromValue != null ? OBJECT_MAPPER.convertValue(fromValue, toValueType) : null;
             return fromValue != null ? OBJECT_MAPPER.convertValue(fromValue, toValueType) : null;
         } catch (IllegalArgumentException e) {
         } catch (IllegalArgumentException e) {
             throw new IllegalArgumentException("The given object value: "
             throw new IllegalArgumentException("The given object value: "
-                    + fromValue + " cannot be converted to " + toValueType);
+                    + fromValue + " cannot be converted to " + toValueType, e);
         }
         }
     }
     }
 
 
@@ -43,7 +43,7 @@ public class JacksonUtil {
             return string != null ? OBJECT_MAPPER.readValue(string, clazz) : null;
             return string != null ? OBJECT_MAPPER.readValue(string, clazz) : null;
         } catch (IOException e) {
         } catch (IOException e) {
             throw new IllegalArgumentException("The given string value: "
             throw new IllegalArgumentException("The given string value: "
-                    + string + " cannot be transformed to Json object");
+                    + string + " cannot be transformed to Json object", e);
         }
         }
     }
     }
 
 
@@ -52,7 +52,7 @@ public class JacksonUtil {
             return value != null ? OBJECT_MAPPER.writeValueAsString(value) : null;
             return value != null ? OBJECT_MAPPER.writeValueAsString(value) : null;
         } catch (JsonProcessingException e) {
         } catch (JsonProcessingException e) {
             throw new IllegalArgumentException("The given Json object value: "
             throw new IllegalArgumentException("The given Json object value: "
-                    + value + " cannot be transformed to a String");
+                    + value + " cannot be transformed to a String", e);
         }
         }
     }
     }
 
 
@@ -71,7 +71,7 @@ public class JacksonUtil {
         return fromString(toString(value), (Class<T>) value.getClass());
         return fromString(toString(value), (Class<T>) value.getClass());
     }
     }
 
 
-    public static JsonNode valueToTree(Alarm alarm) {
+    public static <T> JsonNode valueToTree(T alarm) {
         return OBJECT_MAPPER.valueToTree(alarm);
         return OBJECT_MAPPER.valueToTree(alarm);
     }
     }
 }
 }

@@ -15,6 +15,6 @@
 --
 --
 
 
 DROP TYPE json IF EXISTS;
 DROP TYPE json IF EXISTS;
-CREATE TYPE json AS text;
+CREATE TYPE json AS varchar;
 DROP TYPE jsonb IF EXISTS;
 DROP TYPE jsonb IF EXISTS;
 CREATE TYPE jsonb AS other;
 CREATE TYPE jsonb AS other;

@@ -47,16 +47,14 @@ import java.util.concurrent.ExecutionException;
 class DeviceProfileAlarmState {
 class DeviceProfileAlarmState {
 
 
     private final EntityId originator;
     private final EntityId originator;
-    private final DeviceProfileAlarm alarmDefinition;
+    private DeviceProfileAlarm alarmDefinition;
     private volatile Map<AlarmSeverity, AlarmRule> createRulesSortedBySeverityDesc;
     private volatile Map<AlarmSeverity, AlarmRule> createRulesSortedBySeverityDesc;
     private volatile Alarm currentAlarm;
     private volatile Alarm currentAlarm;
     private volatile boolean initialFetchDone;
     private volatile boolean initialFetchDone;
 
 
     public DeviceProfileAlarmState(EntityId originator, DeviceProfileAlarm alarmDefinition) {
     public DeviceProfileAlarmState(EntityId originator, DeviceProfileAlarm alarmDefinition) {
         this.originator = originator;
         this.originator = originator;
-        this.alarmDefinition = alarmDefinition;
-        this.createRulesSortedBySeverityDesc = new TreeMap<>(Comparator.comparingInt(AlarmSeverity::ordinal));
-        this.createRulesSortedBySeverityDesc.putAll(alarmDefinition.getCreateRules());
+        this.updateState(alarmDefinition);
     }
     }
 
 
     public void process(TbContext ctx, TbMsg msg, DeviceDataSnapshot data) throws ExecutionException, InterruptedException {
     public void process(TbContext ctx, TbMsg msg, DeviceDataSnapshot data) throws ExecutionException, InterruptedException {
@@ -111,6 +109,12 @@ class DeviceProfileAlarmState {
         ctx.tellNext(newMsg, relationType);
         ctx.tellNext(newMsg, relationType);
     }
     }
 
 
+    public void updateState(DeviceProfileAlarm alarm) {
+        this.alarmDefinition = alarm;
+        this.createRulesSortedBySeverityDesc = new TreeMap<>(Comparator.comparingInt(AlarmSeverity::ordinal));
+        this.createRulesSortedBySeverityDesc.putAll(alarmDefinition.getCreateRules());
+    }
+
     private TbAlarmResult calculateAlarmResult(TbContext ctx, AlarmSeverity severity) {
     private TbAlarmResult calculateAlarmResult(TbContext ctx, AlarmSeverity severity) {
         if (currentAlarm != null) {
         if (currentAlarm != null) {
             currentAlarm.setEndTs(System.currentTimeMillis());
             currentAlarm.setEndTs(System.currentTimeMillis());

@@ -20,6 +20,7 @@ import lombok.Getter;
 import org.thingsboard.server.common.data.DeviceProfile;
 import org.thingsboard.server.common.data.DeviceProfile;
 import org.thingsboard.server.common.data.device.profile.AlarmRule;
 import org.thingsboard.server.common.data.device.profile.AlarmRule;
 import org.thingsboard.server.common.data.device.profile.DeviceProfileAlarm;
 import org.thingsboard.server.common.data.device.profile.DeviceProfileAlarm;
+import org.thingsboard.server.common.data.id.DeviceProfileId;
 import org.thingsboard.server.common.data.query.EntityKey;
 import org.thingsboard.server.common.data.query.EntityKey;
 import org.thingsboard.server.common.data.query.KeyFilter;
 import org.thingsboard.server.common.data.query.KeyFilter;
 
 
@@ -55,4 +56,8 @@ class DeviceProfileState {
             }
             }
         }
         }
     }
     }
+
+    public DeviceProfileId getProfileId() {
+        return deviceProfile.getId();
+    }
 }
 }

@@ -20,8 +20,10 @@ import org.thingsboard.rule.engine.api.TbContext;
 import org.thingsboard.rule.engine.telemetry.TbMsgTimeseriesNode;
 import org.thingsboard.rule.engine.telemetry.TbMsgTimeseriesNode;
 import org.thingsboard.server.common.data.DataConstants;
 import org.thingsboard.server.common.data.DataConstants;
 import org.thingsboard.server.common.data.Device;
 import org.thingsboard.server.common.data.Device;
+import org.thingsboard.server.common.data.DeviceProfile;
 import org.thingsboard.server.common.data.device.profile.DeviceProfileAlarm;
 import org.thingsboard.server.common.data.device.profile.DeviceProfileAlarm;
 import org.thingsboard.server.common.data.id.DeviceId;
 import org.thingsboard.server.common.data.id.DeviceId;
+import org.thingsboard.server.common.data.id.DeviceProfileId;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.kv.AttributeKvEntry;
 import org.thingsboard.server.common.data.kv.AttributeKvEntry;
 import org.thingsboard.server.common.data.kv.KvEntry;
 import org.thingsboard.server.common.data.kv.KvEntry;
@@ -40,20 +42,44 @@ import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
 import java.util.concurrent.ConcurrentMap;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.ExecutionException;
+import java.util.stream.Collectors;
 
 
 class DeviceState {
 class DeviceState {
 
 
+    private final DeviceId deviceId;
     private DeviceProfileState deviceProfile;
     private DeviceProfileState deviceProfile;
     private DeviceDataSnapshot latestValues;
     private DeviceDataSnapshot latestValues;
     private final ConcurrentMap<String, DeviceProfileAlarmState> alarmStates = new ConcurrentHashMap<>();
     private final ConcurrentMap<String, DeviceProfileAlarmState> alarmStates = new ConcurrentHashMap<>();
 
 
-    public DeviceState(DeviceProfileState deviceProfile) {
+    public DeviceState(DeviceId deviceId, DeviceProfileState deviceProfile) {
+        this.deviceId = deviceId;
         this.deviceProfile = deviceProfile;
         this.deviceProfile = deviceProfile;
     }
     }
 
 
+    public void updateProfile(TbContext ctx, DeviceProfile deviceProfile) throws ExecutionException, InterruptedException {
+        Set<EntityKey> oldKeys = this.deviceProfile.getEntityKeys();
+        this.deviceProfile.updateDeviceProfile(deviceProfile);
+        if (latestValues != null) {
+            Set<EntityKey> keysToFetch = new HashSet<>(this.deviceProfile.getEntityKeys());
+            keysToFetch.removeAll(oldKeys);
+            if (!keysToFetch.isEmpty()) {
+                addEntityKeysToSnapshot(ctx, deviceId, keysToFetch, latestValues);
+            }
+        }
+        Set<String> newAlarmStateIds = this.deviceProfile.getAlarmSettings().stream().map(DeviceProfileAlarm::getId).collect(Collectors.toSet());
+        alarmStates.keySet().removeIf(id -> !newAlarmStateIds.contains(id));
+        for (DeviceProfileAlarm alarm : this.deviceProfile.getAlarmSettings()) {
+            if (alarmStates.containsKey(alarm.getId())) {
+                alarmStates.get(alarm.getId()).updateState(alarm);
+            } else {
+                alarmStates.putIfAbsent(alarm.getId(), new DeviceProfileAlarmState(deviceId, alarm));
+            }
+        }
+    }
+
     public void process(TbContext ctx, TbMsg msg) throws ExecutionException, InterruptedException {
     public void process(TbContext ctx, TbMsg msg) throws ExecutionException, InterruptedException {
         if (latestValues == null) {
         if (latestValues == null) {
-            latestValues = fetchLatestValues(ctx, msg.getOriginator());
+            latestValues = fetchLatestValues(ctx, deviceId);
         }
         }
         if (msg.getType().equals(SessionMsgType.POST_TELEMETRY_REQUEST.name())) {
         if (msg.getType().equals(SessionMsgType.POST_TELEMETRY_REQUEST.name())) {
             processTelemetry(ctx, msg);
             processTelemetry(ctx, msg);
@@ -69,7 +95,7 @@ class DeviceState {
             List<KvEntry> data = entry.getValue();
             List<KvEntry> data = entry.getValue();
             latestValues = merge(latestValues, ts, data);
             latestValues = merge(latestValues, ts, data);
             for (DeviceProfileAlarm alarm : deviceProfile.getAlarmSettings()) {
             for (DeviceProfileAlarm alarm : deviceProfile.getAlarmSettings()) {
-                DeviceProfileAlarmState alarmState = alarmStates.computeIfAbsent(alarm.getId(), a -> new DeviceProfileAlarmState(msg.getOriginator(), alarm));
+                DeviceProfileAlarmState alarmState = alarmStates.computeIfAbsent(alarm.getId(), a -> new DeviceProfileAlarmState(deviceId, alarm));
                 alarmState.process(ctx, msg, latestValues);
                 alarmState.process(ctx, msg, latestValues);
             }
             }
         }
         }
@@ -85,8 +111,13 @@ class DeviceState {
     }
     }
 
 
     private DeviceDataSnapshot fetchLatestValues(TbContext ctx, EntityId originator) throws ExecutionException, InterruptedException {
     private DeviceDataSnapshot fetchLatestValues(TbContext ctx, EntityId originator) throws ExecutionException, InterruptedException {
-        DeviceDataSnapshot result = new DeviceDataSnapshot(deviceProfile.getEntityKeys());
+        Set<EntityKey> entityKeysToFetch = deviceProfile.getEntityKeys();
+        DeviceDataSnapshot result = new DeviceDataSnapshot(entityKeysToFetch);
+        addEntityKeysToSnapshot(ctx, originator, entityKeysToFetch, result);
+        return result;
+    }
 
 
+    private void addEntityKeysToSnapshot(TbContext ctx, EntityId originator, Set<EntityKey> entityKeysToFetch, DeviceDataSnapshot result) throws InterruptedException, ExecutionException {
         Set<String> serverAttributeKeys = new HashSet<>();
         Set<String> serverAttributeKeys = new HashSet<>();
         Set<String> clientAttributeKeys = new HashSet<>();
         Set<String> clientAttributeKeys = new HashSet<>();
         Set<String> sharedAttributeKeys = new HashSet<>();
         Set<String> sharedAttributeKeys = new HashSet<>();
@@ -94,7 +125,7 @@ class DeviceState {
         Set<String> latestTsKeys = new HashSet<>();
         Set<String> latestTsKeys = new HashSet<>();
 
 
         Device device = null;
         Device device = null;
-        for (EntityKey entityKey : deviceProfile.getEntityKeys()) {
+        for (EntityKey entityKey : entityKeysToFetch) {
             String key = entityKey.getKey();
             String key = entityKey.getKey();
             switch (entityKey.getType()) {
             switch (entityKey.getType()) {
                 case SERVER_ATTRIBUTE:
                 case SERVER_ATTRIBUTE:
@@ -159,8 +190,6 @@ class DeviceState {
             addToSnapshot(result, commonAttributeKeys,
             addToSnapshot(result, commonAttributeKeys,
                     ctx.getAttributesService().find(ctx.getTenantId(), originator, DataConstants.SERVER_SCOPE, serverAttributeKeys).get());
                     ctx.getAttributesService().find(ctx.getTenantId(), originator, DataConstants.SERVER_SCOPE, serverAttributeKeys).get());
         }
         }
-
-        return result;
     }
     }
 
 
     private void addToSnapshot(DeviceDataSnapshot snapshot, Set<String> commonAttributeKeys, List<AttributeKvEntry> data) {
     private void addToSnapshot(DeviceDataSnapshot snapshot, Set<String> commonAttributeKeys, List<AttributeKvEntry> data) {
@@ -192,4 +221,8 @@ class DeviceState {
         }
         }
     }
     }
 
 
+    public DeviceProfileId getProfileId() {
+        return deviceProfile.getProfileId();
+    }
+
 }
 }

@@ -16,15 +16,6 @@
 package org.thingsboard.rule.engine.profile;
 package org.thingsboard.rule.engine.profile;
 
 
 import lombok.extern.slf4j.Slf4j;
 import lombok.extern.slf4j.Slf4j;
-import org.apache.commons.lang3.BooleanUtils;
-import org.apache.kafka.clients.producer.KafkaProducer;
-import org.apache.kafka.clients.producer.Producer;
-import org.apache.kafka.clients.producer.ProducerConfig;
-import org.apache.kafka.clients.producer.ProducerRecord;
-import org.apache.kafka.clients.producer.RecordMetadata;
-import org.apache.kafka.common.header.Headers;
-import org.apache.kafka.common.header.internals.RecordHeader;
-import org.apache.kafka.common.header.internals.RecordHeaders;
 import org.thingsboard.rule.engine.api.EmptyNodeConfiguration;
 import org.thingsboard.rule.engine.api.EmptyNodeConfiguration;
 import org.thingsboard.rule.engine.api.RuleEngineDeviceProfileCache;
 import org.thingsboard.rule.engine.api.RuleEngineDeviceProfileCache;
 import org.thingsboard.rule.engine.api.RuleNode;
 import org.thingsboard.rule.engine.api.RuleNode;
@@ -32,22 +23,14 @@ import org.thingsboard.rule.engine.api.TbContext;
 import org.thingsboard.rule.engine.api.TbNode;
 import org.thingsboard.rule.engine.api.TbNode;
 import org.thingsboard.rule.engine.api.TbNodeConfiguration;
 import org.thingsboard.rule.engine.api.TbNodeConfiguration;
 import org.thingsboard.rule.engine.api.TbNodeException;
 import org.thingsboard.rule.engine.api.TbNodeException;
-import org.thingsboard.rule.engine.api.TbRelationTypes;
-import org.thingsboard.rule.engine.api.util.TbNodeUtils;
-import org.thingsboard.rule.engine.kafka.TbKafkaNodeConfiguration;
 import org.thingsboard.server.common.data.DeviceProfile;
 import org.thingsboard.server.common.data.DeviceProfile;
 import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.id.DeviceId;
 import org.thingsboard.server.common.data.id.DeviceId;
-import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.plugin.ComponentType;
 import org.thingsboard.server.common.data.plugin.ComponentType;
 import org.thingsboard.server.common.msg.TbMsg;
 import org.thingsboard.server.common.msg.TbMsg;
-import org.thingsboard.server.common.msg.TbMsgMetaData;
+import org.thingsboard.server.dao.util.mapping.JacksonUtil;
 
 
-import java.nio.charset.Charset;
-import java.nio.charset.StandardCharsets;
-import java.util.HashMap;
 import java.util.Map;
 import java.util.Map;
-import java.util.Properties;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.ExecutionException;
 
 
@@ -76,7 +59,6 @@ public class TbDeviceProfileNode implements TbNode {
     /**
     /**
      * TODO:
      * TODO:
      * 1. Duration in the alarm conditions;
      * 1. Duration in the alarm conditions;
-     * 2. Update of the Profile (rules);
      * 3. Update of the Device attributes (client, server and shared);
      * 3. Update of the Device attributes (client, server and shared);
      * 4. Dynamic values evaluation;
      * 4. Dynamic values evaluation;
      */
      */
@@ -86,26 +68,37 @@ public class TbDeviceProfileNode implements TbNode {
         EntityType originatorType = msg.getOriginator().getEntityType();
         EntityType originatorType = msg.getOriginator().getEntityType();
         if (EntityType.DEVICE.equals(originatorType)) {
         if (EntityType.DEVICE.equals(originatorType)) {
             DeviceId deviceId = new DeviceId(msg.getOriginator().getId());
             DeviceId deviceId = new DeviceId(msg.getOriginator().getId());
-            DeviceState deviceState = getOrCreateDeviceState(ctx, msg, deviceId);
-            if (deviceState != null) {
-                deviceState.process(ctx, msg);
+            if (msg.getType().equals("ENTITY_UPDATED")) {
+                //TODO: handle if device profile id has changed.
             } else {
             } else {
-                ctx.tellFailure(msg, new IllegalStateException("Device profile for device [" + deviceId + "] not found!"));
+                DeviceState deviceState = getOrCreateDeviceState(ctx, deviceId);
+                if (deviceState != null) {
+                    deviceState.process(ctx, msg);
+                } else {
+                    ctx.tellFailure(msg, new IllegalStateException("Device profile for device [" + deviceId + "] not found!"));
+                }
             }
             }
         } else if (EntityType.DEVICE_PROFILE.equals(originatorType)) {
         } else if (EntityType.DEVICE_PROFILE.equals(originatorType)) {
-            //TODO: check that the profile rule set was changed. If yes - invalidate the rules.
+            if (msg.getType().equals("ENTITY_UPDATED")) {
+                DeviceProfile deviceProfile = JacksonUtil.fromString(msg.getData(), DeviceProfile.class);
+                for (DeviceState state : deviceStates.values()) {
+                    if (deviceProfile.getId().equals(state.getProfileId())) {
+                        state.updateProfile(ctx, deviceProfile);
+                    }
+                }
+            }
             ctx.tellSuccess(msg);
             ctx.tellSuccess(msg);
         } else {
         } else {
             ctx.tellSuccess(msg);
             ctx.tellSuccess(msg);
         }
         }
     }
     }
 
 
-    private DeviceState getOrCreateDeviceState(TbContext ctx, TbMsg msg, DeviceId deviceId) {
+    private DeviceState getOrCreateDeviceState(TbContext ctx, DeviceId deviceId) {
         DeviceState deviceState = deviceStates.get(deviceId);
         DeviceState deviceState = deviceStates.get(deviceId);
         if (deviceState == null) {
         if (deviceState == null) {
             DeviceProfile deviceProfile = cache.get(ctx.getTenantId(), deviceId);
             DeviceProfile deviceProfile = cache.get(ctx.getTenantId(), deviceId);
             if (deviceProfile != null) {
             if (deviceProfile != null) {
-                deviceState = new DeviceState(new DeviceProfileState(deviceProfile));
+                deviceState = new DeviceState(deviceId, new DeviceProfileState(deviceProfile));
                 deviceStates.put(deviceId, deviceState);
                 deviceStates.put(deviceId, deviceState);
             }
             }
         }
         }

@@ -127,8 +127,8 @@ export class DeviceProfileComponent extends EntityComponent<DeviceProfile> {
 
 
   updateForm(entity: DeviceProfile) {
   updateForm(entity: DeviceProfile) {
     this.entityForm.patchValue({name: entity.name});
     this.entityForm.patchValue({name: entity.name});
-    this.entityForm.patchValue({type: entity.type});
-    this.entityForm.patchValue({transportType: entity.transportType});
+    this.entityForm.patchValue({type: entity.type}, {emitEvent: false});
+    this.entityForm.patchValue({transportType: entity.transportType}, {emitEvent: false});
     this.entityForm.patchValue({profileData: entity.profileData});
     this.entityForm.patchValue({profileData: entity.profileData});
     this.entityForm.patchValue({defaultRuleChainId: entity.defaultRuleChainId ? entity.defaultRuleChainId.id : null});
     this.entityForm.patchValue({defaultRuleChainId: entity.defaultRuleChainId ? entity.defaultRuleChainId.id : null});
     this.entityForm.patchValue({description: entity.description});
     this.entityForm.patchValue({description: entity.description});

@@ -17,11 +17,11 @@
 -->
 -->
 <mat-form-field [formGroup]="selectRuleChainFormGroup" class="mat-block">
 <mat-form-field [formGroup]="selectRuleChainFormGroup" class="mat-block">
   <input matInput type="text" placeholder="{{ ruleChainLabel | translate }}"
   <input matInput type="text" placeholder="{{ ruleChainLabel | translate }}"
-         #entityInput
+         #ruleChainInput
          formControlName="ruleChainId"
          formControlName="ruleChainId"
          (focusin)="onFocus()"
          (focusin)="onFocus()"
          [required]="required"
          [required]="required"
-         [matAutocomplete]="entityAutocomplete">
+         [matAutocomplete]="ruleChainAutocomplete">
   <button *ngIf="selectRuleChainFormGroup.get('ruleChainId').value && !disabled"
   <button *ngIf="selectRuleChainFormGroup.get('ruleChainId').value && !disabled"
           type="button"
           type="button"
           matSuffix mat-button mat-icon-button aria-label="Clear"
           matSuffix mat-button mat-icon-button aria-label="Clear"
@@ -29,10 +29,10 @@
     <mat-icon class="material-icons">close</mat-icon>
     <mat-icon class="material-icons">close</mat-icon>
   </button>
   </button>
   <mat-autocomplete class="tb-autocomplete"
   <mat-autocomplete class="tb-autocomplete"
-                    #entityAutocomplete="matAutocomplete"
-                    [displayWith]="displayEntityFn">
-    <mat-option *ngFor="let entity of filteredRuleChains | async" [value]="entity">
-      <span [innerHTML]="entity.name | highlight:searchText"></span>
+                    #ruleChainAutocomplete="matAutocomplete"
+                    [displayWith]="displayRuleChainFn">
+    <mat-option *ngFor="let ruleChain of filteredRuleChains | async" [value]="ruleChain">
+      <span [innerHTML]="ruleChain.name | highlight:searchText"></span>
     </mat-option>
     </mat-option>
     <mat-option *ngIf="!(filteredRuleChains | async)?.length" [value]="null" class="tb-not-found">
     <mat-option *ngIf="!(filteredRuleChains | async)?.length" [value]="null" class="tb-not-found">
       <div class="tb-not-found-content" (click)="$event.stopPropagation()">
       <div class="tb-not-found-content" (click)="$event.stopPropagation()">

@@ -66,7 +66,8 @@ export class RuleChainAutocompleteComponent implements ControlValueAccessor, OnI
   @Input()
   @Input()
   disabled: boolean;
   disabled: boolean;
 
 
-  @ViewChild('entityInput', {static: true}) entityInput: ElementRef;
+  @ViewChild('ruleChainInput', {static: true}) ruleChainInput: ElementRef;
+  @ViewChild('ruleChainInput', {read: MatAutocompleteTrigger}) ruleChainAutocomplete: MatAutocompleteTrigger;
 
 
   filteredRuleChains: Observable<Array<BaseData<EntityId>>>;
   filteredRuleChains: Observable<Array<BaseData<EntityId>>>;
 
 
@@ -117,9 +118,9 @@ export class RuleChainAutocompleteComponent implements ControlValueAccessor, OnI
   ngAfterViewInit(): void {}
   ngAfterViewInit(): void {}
 
 
   getCurrentEntity(): BaseData<EntityId> | null {
   getCurrentEntity(): BaseData<EntityId> | null {
-    const currentEntity = this.selectRuleChainFormGroup.get('ruleChainId').value;
-    if (currentEntity && typeof currentEntity !== 'string') {
-      return currentEntity as BaseData<EntityId>;
+    const currentRuleChain = this.selectRuleChainFormGroup.get('ruleChainId').value;
+    if (currentRuleChain && typeof currentRuleChain !== 'string') {
+      return currentRuleChain as BaseData<EntityId>;
     } else {
     } else {
       return null;
       return null;
     }
     }
@@ -180,8 +181,8 @@ export class RuleChainAutocompleteComponent implements ControlValueAccessor, OnI
     }
     }
   }
   }
 
 
-  displayEntityFn(entity?: BaseData<EntityId>): string | undefined {
-    return entity ? entity.name : undefined;
+  displayRuleChainFn(ruleChain?: BaseData<EntityId>): string | undefined {
+    return ruleChain ? ruleChain.name : undefined;
   }
   }
 
 
   fetchRuleChain(searchText?: string): Observable<Array<BaseData<EntityId>>> {
   fetchRuleChain(searchText?: string): Observable<Array<BaseData<EntityId>>> {
@@ -193,12 +194,14 @@ export class RuleChainAutocompleteComponent implements ControlValueAccessor, OnI
   clear() {
   clear() {
     this.selectRuleChainFormGroup.get('ruleChainId').patchValue('', {emitEvent: true});
     this.selectRuleChainFormGroup.get('ruleChainId').patchValue('', {emitEvent: true});
     setTimeout(() => {
     setTimeout(() => {
-      this.entityInput.nativeElement.blur();
-      this.entityInput.nativeElement.focus();
+      this.ruleChainInput.nativeElement.blur();
+      this.ruleChainInput.nativeElement.focus();
     }, 0);
     }, 0);
   }
   }
 
 
   createDefaultRuleChain($event: Event, ruleChainName: string) {
   createDefaultRuleChain($event: Event, ruleChainName: string) {
+    $event.preventDefault();
+    this.ruleChainAutocomplete.closePanel();
     this.ruleChainService.createDefaultRuleChain(ruleChainName).subscribe((ruleChain) => {
     this.ruleChainService.createDefaultRuleChain(ruleChainName).subscribe((ruleChain) => {
       this.updateView(ruleChain.id.id);
       this.updateView(ruleChain.id.id);
     });
     });