implemented methods for calculated field update/delete in cluster service

application/pom.xml

@@ -369,6 +369,10 @@
             <groupId>com.google.firebase</groupId>
             <artifactId>firebase-admin</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.rocksdb</groupId>
+            <artifactId>rocksdbjni</artifactId>
+        </dependency>
     </dependencies>
 
     <build>

application/src/main/java/org/thingsboard/server/service/entitiy/EntityStateSourcingListener.java

@@ -32,6 +32,7 @@ import org.thingsboard.server.common.data.TbResourceInfo;
 import org.thingsboard.server.common.data.Tenant;
 import org.thingsboard.server.common.data.TenantProfile;
 import org.thingsboard.server.common.data.audit.ActionType;
+import org.thingsboard.server.common.data.cf.CalculatedField;
 import org.thingsboard.server.common.data.edge.Edge;
 import org.thingsboard.server.common.data.edge.EdgeEvent;
 import org.thingsboard.server.common.data.id.DeviceId;
@@ -118,7 +119,11 @@ public class EntityStateSourcingListener {
                 ApiUsageState apiUsageState = (ApiUsageState) event.getEntity();
                 tbClusterService.onApiStateChange(apiUsageState, null);
             }
-            default -> {}
+            case CALCULATED_FIELD -> {
+                onCalculatedFieldUpdate(event.getEntity(), event.getOldEntity());
+            }
+            default -> {
+            }
         }
     }
 
@@ -130,7 +135,7 @@ public class EntityStateSourcingListener {
             return;
         }
         EntityType entityType = entityId.getEntityType();
-        if (!tenantId.isSysTenantId() && entityType != EntityType.TENANT  && !tenantService.tenantExists(tenantId)) {
+        if (!tenantId.isSysTenantId() && entityType != EntityType.TENANT && !tenantService.tenantExists(tenantId)) {
             log.debug("[{}] Ignoring DeleteEntityEvent because tenant does not exist: {}", tenantId, event);
             return;
         }
@@ -149,7 +154,8 @@ public class EntityStateSourcingListener {
             case RULE_CHAIN -> {
                 RuleChain ruleChain = (RuleChain) event.getEntity();
                 if (RuleChainType.CORE.equals(ruleChain.getType())) {
-                    Set<RuleChainId> referencingRuleChainIds = JacksonUtil.fromString(event.getBody(), new TypeReference<>() {});
+                    Set<RuleChainId> referencingRuleChainIds = JacksonUtil.fromString(event.getBody(), new TypeReference<>() {
+                    });
                     if (referencingRuleChainIds != null) {
                         referencingRuleChainIds.forEach(referencingRuleChainId ->
                                 tbClusterService.broadcastEntityStateChangeEvent(tenantId, referencingRuleChainId, ComponentLifecycleEvent.UPDATED));
@@ -177,7 +183,12 @@ public class EntityStateSourcingListener {
                 TbResourceInfo tbResource = (TbResourceInfo) event.getEntity();
                 tbClusterService.onResourceDeleted(tbResource, null);
             }
-            default -> {}
+            case CALCULATED_FIELD -> {
+                CalculatedField calculatedField = (CalculatedField) event.getEntity();
+                tbClusterService.onCalculatedFieldDeleted(tenantId, calculatedField, null);
+            }
+            default -> {
+            }
         }
     }
 
@@ -247,6 +258,15 @@ public class EntityStateSourcingListener {
         }
     }
 
+    private void onCalculatedFieldUpdate(Object entity, Object oldEntity) {
+        CalculatedField calculatedField = (CalculatedField) entity;
+        CalculatedField oldCalculatedField = null;
+        if (oldEntity instanceof CalculatedField) {
+            oldCalculatedField = (CalculatedField) oldEntity;
+        }
+        tbClusterService.onCalculatedFieldUpdated(calculatedField, oldCalculatedField);
+    }
+
     private void pushAssignedFromNotification(Tenant currentTenant, TenantId newTenantId, Device assignedDevice) {
         String data = JacksonUtil.toString(JacksonUtil.valueToTree(assignedDevice));
         if (data != null) {

application/src/main/java/org/thingsboard/server/service/entitiy/cf/DefaultTbCalculatedFieldService.java

@@ -29,6 +29,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.thingsboard.common.util.JacksonUtil;
 import org.thingsboard.common.util.ThingsBoardExecutors;
 import org.thingsboard.common.util.ThingsBoardThreadFactory;
 import org.thingsboard.server.common.data.AttributeScope;
@@ -64,6 +65,7 @@ import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.Optional;
 import java.util.Random;
 import java.util.UUID;
@@ -71,6 +73,7 @@ import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
 
 import static org.thingsboard.server.dao.service.Validator.validateEntityId;
 
@@ -83,6 +86,7 @@ public class DefaultTbCalculatedFieldService extends AbstractTbEntityService imp
     private final CalculatedFieldService calculatedFieldService;
     private final AttributesService attributesService;
     private final TimeseriesService timeseriesService;
+    private final RocksDBService rocksDBService;
     private ListeningScheduledExecutorService scheduledExecutor;
 
     private ListeningExecutorService calculatedFieldExecutor;
@@ -212,6 +216,10 @@ public class DefaultTbCalculatedFieldService extends AbstractTbEntityService imp
             calculatedFieldLinks.remove(calculatedFieldId);
             calculatedFields.remove(calculatedFieldId);
             states.keySet().removeIf(ctxId -> ctxId.startsWith(calculatedFieldId.getId().toString()));
+            List<String> statesToRemove = states.keySet().stream()
+                    .filter(key -> key.startsWith(calculatedFieldId.getId().toString()))
+                    .collect(Collectors.toList());
+            rocksDBService.deleteAll(statesToRemove);
         } catch (Exception e) {
             log.trace("Failed to delete calculated field.", e);
             callback.onFailure(e);
@@ -223,7 +231,7 @@ public class DefaultTbCalculatedFieldService extends AbstractTbEntityService imp
         cfs.forEach(cf -> calculatedFields.putIfAbsent(cf.getId(), cf));
         PageDataIterable<CalculatedFieldLink> cfls = new PageDataIterable<>(calculatedFieldService::findAllCalculatedFieldLinks, initFetchPackSize);
         cfls.forEach(link -> calculatedFieldLinks.computeIfAbsent(link.getCalculatedFieldId(), id -> new ArrayList<>()).add(link));
-        // TODO:    read all states(CalculatedFieldCtx)
+        rocksDBService.getAll().forEach((ctxId, ctx) -> states.put(ctxId, JacksonUtil.convertValue(ctx, CalculatedFieldCtx.class)));
         states.keySet().removeIf(ctxId -> calculatedFields.keySet().stream().noneMatch(id -> ctxId.startsWith(id.toString())));
     }
 
@@ -319,6 +327,7 @@ public class DefaultTbCalculatedFieldService extends AbstractTbEntityService imp
         }
         calculatedFieldCtx.setState(state);
         states.put(ctxId, calculatedFieldCtx);
+        rocksDBService.put(ctxId, Objects.requireNonNull(JacksonUtil.toString(calculatedFieldCtx)));
     }
 
     private String performCalculation(Map<String, String> argumentValues, CalculatedFieldConfiguration calculatedFieldConfiguration) {

application/src/main/java/org/thingsboard/server/service/entitiy/cf/RocksDBService.java

@@ -0,0 +1,95 @@
+/**
+ * Copyright © 2016-2024 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.service.entitiy.cf;
+
+import lombok.extern.slf4j.Slf4j;
+import org.rocksdb.RocksDB;
+import org.rocksdb.RocksDBException;
+import org.rocksdb.RocksIterator;
+import org.rocksdb.WriteBatch;
+import org.rocksdb.WriteOptions;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.utils.RocksDBConfig;
+
+import java.nio.charset.StandardCharsets;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+@Service
+@Slf4j
+public class RocksDBService {
+
+    private final RocksDB db;
+    private final WriteOptions writeOptions;
+
+    public RocksDBService(RocksDBConfig config) throws RocksDBException {
+        this.db = config.getDb();
+        this.writeOptions = new WriteOptions().setSync(true);
+    }
+
+    public void put(String key, String value) {
+        try {
+            db.put(writeOptions, key.getBytes(StandardCharsets.UTF_8), value.getBytes(StandardCharsets.UTF_8));
+        } catch (RocksDBException e) {
+            log.error("Failed to store data to RocksDB", e);
+        }
+    }
+
+    public void delete(String key) {
+        try {
+            db.delete(writeOptions, key.getBytes(StandardCharsets.UTF_8));
+        } catch (RocksDBException e) {
+            log.error("Failed to delete data from RocksDB", e);
+        }
+    }
+
+    public void deleteAll(List<String> keys) {
+        try (WriteBatch batch = new WriteBatch()) {
+            for (String key : keys) {
+                batch.delete(key.getBytes(StandardCharsets.UTF_8));
+            }
+            db.write(writeOptions, batch);
+        } catch (RocksDBException e) {
+            log.error("Failed to delete data from RocksDB", e);
+        }
+    }
+
+    public String get(String key) {
+        try {
+            byte[] value = db.get(key.getBytes(StandardCharsets.UTF_8));
+            return value != null ? new String(value, StandardCharsets.UTF_8) : null;
+        } catch (RocksDBException e) {
+            log.error("Failed to retrieve data from RocksDB", e);
+            return null;
+        }
+    }
+
+    public Map<String, String> getAll() {
+        Map<String, String> map = new HashMap<>();
+        try (RocksIterator iterator = db.newIterator()) {
+            for (iterator.seekToFirst(); iterator.isValid(); iterator.next()) {
+                String key = new String(iterator.key(), StandardCharsets.UTF_8);
+                String value = new String(iterator.value(), StandardCharsets.UTF_8);
+                map.put(key, value);
+            }
+        } catch (Exception e) {
+            log.error("Failed to retrieve data from RocksDB", e);
+        }
+        return map;
+    }
+
+}

application/src/main/java/org/thingsboard/server/service/queue/DefaultTbClusterService.java

@@ -38,10 +38,12 @@ import org.thingsboard.server.common.data.TbResourceInfo;
 import org.thingsboard.server.common.data.Tenant;
 import org.thingsboard.server.common.data.TenantProfile;
 import org.thingsboard.server.common.data.asset.Asset;
+import org.thingsboard.server.common.data.cf.CalculatedField;
 import org.thingsboard.server.common.data.edge.EdgeEventActionType;
 import org.thingsboard.server.common.data.edge.EdgeEventType;
 import org.thingsboard.server.common.data.id.AssetId;
 import org.thingsboard.server.common.data.id.AssetProfileId;
+import org.thingsboard.server.common.data.id.CalculatedFieldId;
 import org.thingsboard.server.common.data.id.DeviceId;
 import org.thingsboard.server.common.data.id.DeviceProfileId;
 import org.thingsboard.server.common.data.id.EdgeId;
@@ -666,7 +668,8 @@ public class DefaultTbClusterService implements TbClusterService {
     private void pushDeviceUpdateMessage(TenantId tenantId, EdgeId edgeId, EntityId entityId, EdgeEventActionType action) {
         log.trace("{} Going to send edge update notification for device actor, device id {}, edge id {}", tenantId, entityId, edgeId);
         switch (action) {
-            case ASSIGNED_TO_EDGE -> pushMsgToCore(new DeviceEdgeUpdateMsg(tenantId, new DeviceId(entityId.getId()), edgeId), null);
+            case ASSIGNED_TO_EDGE ->
+                    pushMsgToCore(new DeviceEdgeUpdateMsg(tenantId, new DeviceId(entityId.getId()), edgeId), null);
             case UNASSIGNED_FROM_EDGE -> {
                 EdgeId relatedEdgeId = findRelatedEdgeIdIfAny(tenantId, entityId);
                 pushMsgToCore(new DeviceEdgeUpdateMsg(tenantId, new DeviceId(entityId.getId()), relatedEdgeId), null);
@@ -743,4 +746,33 @@ public class DefaultTbClusterService implements TbClusterService {
         }
     }
 
+    @Override
+    public void onCalculatedFieldUpdated(CalculatedField calculatedField, CalculatedField oldCalculatedField) {
+        var created = oldCalculatedField == null;
+        broadcastEntityChangeToTransport(calculatedField.getTenantId(), calculatedField.getId(), calculatedField, null);
+        broadcastEntityStateChangeEvent(calculatedField.getTenantId(), calculatedField.getId(), created ? ComponentLifecycleEvent.CREATED : ComponentLifecycleEvent.UPDATED);
+        sendCalculatedFieldEvent(calculatedField.getTenantId(), calculatedField.getId(), created, !created, false);
+    }
+
+    @Override
+    public void onCalculatedFieldDeleted(TenantId tenantId, CalculatedField calculatedField, TbQueueCallback callback) {
+        CalculatedFieldId calculatedFieldId = calculatedField.getId();
+        broadcastEntityDeleteToTransport(tenantId, calculatedFieldId, calculatedField.getName(), callback);
+        sendCalculatedFieldEvent(tenantId, calculatedFieldId, false, false, true);
+        broadcastEntityStateChangeEvent(tenantId, calculatedFieldId, ComponentLifecycleEvent.DELETED);
+    }
+
+    private void sendCalculatedFieldEvent(TenantId tenantId, CalculatedFieldId calculatedFieldId, boolean added, boolean updated, boolean deleted) {
+        TransportProtos.CalculatedFieldMsgProto.Builder builder = TransportProtos.CalculatedFieldMsgProto.newBuilder();
+        builder.setTenantIdMSB(tenantId.getId().getMostSignificantBits());
+        builder.setTenantIdLSB(tenantId.getId().getLeastSignificantBits());
+        builder.setCalculatedFieldIdMSB(calculatedFieldId.getId().getMostSignificantBits());
+        builder.setCalculatedFieldIdLSB(calculatedFieldId.getId().getLeastSignificantBits());
+        builder.setAdded(added);
+        builder.setUpdated(updated);
+        builder.setDeleted(deleted);
+        TransportProtos.CalculatedFieldMsgProto msg = builder.build();
+        pushMsgToCore(tenantId, calculatedFieldId, ToCoreMsg.newBuilder().setCalculatedFieldMsg(msg).build(), null);
+    }
+
 }

application/src/main/java/org/thingsboard/server/service/queue/DefaultTbCoreConsumerService.java

@@ -38,6 +38,7 @@ import org.thingsboard.server.common.data.alarm.AlarmInfo;
 import org.thingsboard.server.common.data.event.ErrorEvent;
 import org.thingsboard.server.common.data.event.Event;
 import org.thingsboard.server.common.data.event.LifecycleEvent;
+import org.thingsboard.server.common.data.id.CalculatedFieldId;
 import org.thingsboard.server.common.data.id.DeviceId;
 import org.thingsboard.server.common.data.id.NotificationRequestId;
 import org.thingsboard.server.common.data.id.TenantId;
@@ -85,6 +86,7 @@ import org.thingsboard.server.queue.discovery.event.PartitionChangeEvent;
 import org.thingsboard.server.queue.provider.TbCoreQueueFactory;
 import org.thingsboard.server.queue.util.TbCoreComponent;
 import org.thingsboard.server.service.apiusage.TbApiUsageStateService;
+import org.thingsboard.server.service.entitiy.cf.TbCalculatedFieldService;
 import org.thingsboard.server.service.notification.NotificationSchedulerService;
 import org.thingsboard.server.service.ota.OtaPackageStateService;
 import org.thingsboard.server.service.profile.TbAssetProfileCache;
@@ -148,6 +150,7 @@ public class DefaultTbCoreConsumerService extends AbstractConsumerService<ToCore
     private final TbImageService imageService;
     private final RuleEngineCallService ruleEngineCallService;
     private final TbCoreConsumerStats stats;
+    private final TbCalculatedFieldService calculatedFieldService;
 
     private MainQueueConsumerManager<TbProtoQueueMsg<ToCoreMsg>, CoreQueueConfig> mainConsumer;
     private QueueConsumerManager<TbProtoQueueMsg<ToUsageStatsServiceMsg>> usageStatsConsumer;
@@ -175,7 +178,8 @@ public class DefaultTbCoreConsumerService extends AbstractConsumerService<ToCore
                                         NotificationSchedulerService notificationSchedulerService,
                                         NotificationRuleProcessor notificationRuleProcessor,
                                         TbImageService imageService,
-                                        RuleEngineCallService ruleEngineCallService) {
+                                        RuleEngineCallService ruleEngineCallService,
+                                        TbCalculatedFieldService calculatedFieldService) {
         super(actorContext, tenantProfileCache, deviceProfileCache, assetProfileCache, apiUsageStateService, partitionService,
                 eventPublisher, jwtSettingsService);
         this.stateService = stateService;
@@ -191,6 +195,7 @@ public class DefaultTbCoreConsumerService extends AbstractConsumerService<ToCore
         this.imageService = imageService;
         this.ruleEngineCallService = ruleEngineCallService;
         this.queueFactory = tbCoreQueueFactory;
+        this.calculatedFieldService = calculatedFieldService;
     }
 
     @PostConstruct
@@ -308,6 +313,8 @@ public class DefaultTbCoreConsumerService extends AbstractConsumerService<ToCore
                         forwardToEventService(toCoreMsg.getErrorEventMsg(), callback);
                     } else if (toCoreMsg.hasLifecycleEventMsg()) {
                         forwardToEventService(toCoreMsg.getLifecycleEventMsg(), callback);
+                    } else if (toCoreMsg.hasCalculatedFieldMsg()) {
+                        forwardToCalculatedFieldService(toCoreMsg.getCalculatedFieldMsg(), callback);
                     }
                 } catch (Throwable e) {
                     log.warn("[{}] Failed to process message: {}", id, msg, e);
@@ -658,6 +665,18 @@ public class DefaultTbCoreConsumerService extends AbstractConsumerService<ToCore
                 });
     }
 
+    private void forwardToCalculatedFieldService(TransportProtos.CalculatedFieldMsgProto calculatedFieldMsg, TbCallback callback) {
+        var tenantId = toTenantId(calculatedFieldMsg.getTenantIdMSB(), calculatedFieldMsg.getTenantIdLSB());
+        var calculatedFieldId = new CalculatedFieldId(new UUID(calculatedFieldMsg.getCalculatedFieldIdMSB(), calculatedFieldMsg.getCalculatedFieldIdLSB()));
+        ListenableFuture<?> future = deviceActivityEventsExecutor.submit(() -> calculatedFieldService.onCalculatedFieldMsg(calculatedFieldMsg, callback));
+        DonAsynchron.withCallback(future,
+                __ -> callback.onSuccess(),
+                t -> {
+                    log.warn("[{}] Failed to process calculated field message for calculated field [{}]", tenantId.getId(), calculatedFieldId.getId(), t);
+                    callback.onFailure(t);
+                });
+    }
+
     private void forwardToNotificationSchedulerService(TransportProtos.NotificationSchedulerServiceMsg msg, TbCallback callback) {
         TenantId tenantId = toTenantId(msg.getTenantIdMSB(), msg.getTenantIdLSB());
         NotificationRequestId notificationRequestId = new NotificationRequestId(new UUID(msg.getRequestIdMSB(), msg.getRequestIdLSB()));

application/src/main/java/org/thingsboard/server/utils/RocksDBConfig.java

@@ -0,0 +1,52 @@
+/**
+ * Copyright © 2016-2024 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.utils;
+
+import jakarta.annotation.PreDestroy;
+import org.rocksdb.Options;
+import org.rocksdb.RocksDB;
+import org.rocksdb.RocksDBException;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+@Component
+public class RocksDBConfig {
+
+    @Value("${rocksdb.db_path}")
+    private String dbPath;
+    private RocksDB db;
+
+    static {
+        RocksDB.loadLibrary();
+    }
+
+    public RocksDB getDb() throws RocksDBException {
+        if (db == null) {
+            Options options = new Options().setCreateIfMissing(true);
+            db = RocksDB.open(options, dbPath);
+        }
+        return db;
+    }
+
+    @PreDestroy
+    public void close() {
+        if (db != null) {
+            db.close();
+            db = null;
+        }
+    }
+
+}

application/src/main/resources/thingsboard.yml

@@ -424,6 +424,10 @@ sql:
     pool_size: "${SQL_RELATIONS_POOL_SIZE:4}" # This value has to be reasonably small to prevent the relation query from blocking all other DB calls
     query_timeout: "${SQL_RELATIONS_QUERY_TIMEOUT_SEC:20}" # This value has to be reasonably small to prevent the relation query from blocking all other DB calls
 
+rocksdb:
+  # Rocksdb path
+  db_path: "${ROCKS_DB_PATH:}"
+
 # Actor system parameters
 actors:
   system:

common/cluster-api/src/main/java/org/thingsboard/server/cluster/TbClusterService.java

@@ -21,6 +21,7 @@ import org.thingsboard.server.common.data.DeviceProfile;
 import org.thingsboard.server.common.data.TbResourceInfo;
 import org.thingsboard.server.common.data.Tenant;
 import org.thingsboard.server.common.data.TenantProfile;
+import org.thingsboard.server.common.data.cf.CalculatedField;
 import org.thingsboard.server.common.data.edge.EdgeEventActionType;
 import org.thingsboard.server.common.data.edge.EdgeEventType;
 import org.thingsboard.server.common.data.id.EdgeId;
@@ -114,4 +115,8 @@ public interface TbClusterService extends TbQueueClusterService {
 
     void sendNotificationMsgToEdge(TenantId tenantId, EdgeId edgeId, EntityId entityId, String body, EdgeEventType type, EdgeEventActionType action, EdgeId sourceEdgeId);
 
+    void onCalculatedFieldUpdated(CalculatedField calculatedField, CalculatedField oldCalculatedField);
+
+    void onCalculatedFieldDeleted(TenantId tenantId, CalculatedField calculatedField, TbQueueCallback callback);
+
 }

common/proto/src/main/proto/queue.proto

@@ -1512,6 +1512,7 @@ message ToCoreMsg {
   DeviceConnectProto deviceConnectMsg = 50;
   DeviceDisconnectProto deviceDisconnectMsg = 51;
   DeviceInactivityProto deviceInactivityMsg = 52;
+  CalculatedFieldMsgProto calculatedFieldMsg = 53;
 }
 
 /* High priority messages with low latency are handled by ThingsBoard Core Service separately */

dao/src/main/java/org/thingsboard/server/dao/cf/BaseCalculatedFieldService.java

@@ -29,20 +29,21 @@ import org.thingsboard.server.common.data.id.HasId;
 import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.page.PageData;
 import org.thingsboard.server.common.data.page.PageLink;
+import org.thingsboard.server.dao.entity.AbstractEntityService;
+import org.thingsboard.server.dao.eventsourcing.SaveEntityEvent;
 import org.thingsboard.server.dao.service.DataValidator;
 
 import java.util.List;
 import java.util.Optional;
 import java.util.stream.Collectors;
 
-import static org.thingsboard.server.dao.entity.AbstractEntityService.checkConstraintViolation;
 import static org.thingsboard.server.dao.service.Validator.validateId;
 import static org.thingsboard.server.dao.service.Validator.validatePageLink;
 
 @Service("CalculatedFieldDaoService")
 @Slf4j
 @RequiredArgsConstructor
-public class BaseCalculatedFieldService implements CalculatedFieldService {
+public class BaseCalculatedFieldService extends AbstractEntityService implements CalculatedFieldService {
 
     public static final String INCORRECT_TENANT_ID = "Incorrect tenantId ";
     public static final String INCORRECT_CALCULATED_FIELD_ID = "Incorrect calculatedFieldId ";
@@ -60,6 +61,8 @@ public class BaseCalculatedFieldService implements CalculatedFieldService {
             log.trace("Executing save calculated field, [{}]", calculatedField);
             CalculatedField savedCalculatedField = calculatedFieldDao.save(tenantId, calculatedField);
             createOrUpdateCalculatedFieldLink(tenantId, savedCalculatedField);
+            eventPublisher.publishEvent(SaveEntityEvent.builder().tenantId(savedCalculatedField.getTenantId()).entityId(savedCalculatedField.getId())
+                    .entity(savedCalculatedField).created(calculatedField.getId() == null).build());
             return savedCalculatedField;
         } catch (Exception e) {
             checkConstraintViolation(e,

pom.xml

@@ -166,6 +166,8 @@
         <weisj-jsvg.version>1.6.1</weisj-jsvg.version>
         <drewnoakes-metadata-extractor.version>2.19.0</drewnoakes-metadata-extractor.version>
         <firebase-admin.version>9.2.0</firebase-admin.version>
+
+        <rocksdbjni.version>9.4.0</rocksdbjni.version>
     </properties>
 
     <modules>
@@ -2272,6 +2274,11 @@
                 <artifactId>metadata-extractor</artifactId>
                 <version>${drewnoakes-metadata-extractor.version}</version>
             </dependency>
+            <dependency>
+                <groupId>org.rocksdb</groupId>
+                <artifactId>rocksdbjni</artifactId>
+                <version>${rocksdbjni.version}</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>