Replacement of local cache in rule nodes with cached entity service APIs. (#9552)

* added customer cache && refactored assign/unassing to/from customer nodes

* refactoring of customer action nodes & added common tests

* added tests for upgrade

* updated controller & service tests for customer api

* replaced findCustomerByTenantIdAndTitle with cacheable method

* add new line to end of ../upgrade/3.6.2/schema_update.sql file

* added cache for find user by tenant id and email & relation action nodes refactoring

* fixed synchronization issue & refactored logic & refactored node upgrade tests

* fixed testSaveUserWithSameEmail test in the UserControllerTest. Removed empty space & added exclamation mark

* updated tests for create relation node && added two tests for delete relation node

* replaced Lists with EnumSets where it was possible & replaced MethodSource with EnumSource where it was possible & added test for upgrade for both create and delete relation nodes

* updated upgrade tests & added tests for delete relation node

* refactoring

* updated create & delete relation nodes descriptions

* updated default config for delete relation node

* minor improvements for custom action nodes after self review

* added upgrade for customers with the same titles

* replaced parameterized test annotation when deleteForSingleEntity is false

* fix typo in reSaveCustomerWithNewTitle upgrade logic

* fixes after review & additional improvements

* fixed testAssignAndUnassignEntityViewToCustomer test

* updated upgrade logic & changed logic of public customers lookup

* fixed dao method & added test

* renamed method to findPublicCustomerByTenantId

* fix typo in the find public customer query

* added @Serial annotation for serialVersionUID & rollback saveAndFlush to save in UserServiceImpl

* fixes to async find or create logic

* fixed after review

* fix typo

* set Transactional annotation to findOrCreatePublicCustomer

application/src/main/data/upgrade/3.6.3/schema_update.sql

@@ -14,6 +14,105 @@
 -- limitations under the License.
 --
 
+-- UPDATE PUBLIC CUSTOMERS START
+
+ALTER TABLE customer ADD COLUMN IF NOT EXISTS is_public boolean DEFAULT false;
+UPDATE customer SET is_public = true WHERE title = 'Public';
+
+-- UPDATE PUBLIC CUSTOMERS END
+
+-- UPDATE CUSTOMERS WITH SAME TITLE START
+
+CREATE OR REPLACE PROCEDURE update_customers_with_the_same_title()
+    LANGUAGE plpgsql
+AS
+$$
+DECLARE
+    customer_record  RECORD;
+    dashboard_record RECORD;
+    title_exists     BOOLEAN;
+    new_title        TEXT;
+    updated_json     JSONB;
+BEGIN
+    RAISE NOTICE 'Starting the customer and dashboard update process.';
+
+    FOR customer_record IN
+        SELECT id, tenant_id, title, duplicate_number
+        FROM (
+                 SELECT
+                     id,
+                     tenant_id,
+                     title,
+                     ROW_NUMBER() OVER(PARTITION BY tenant_id, title ORDER BY id) AS duplicate_number
+                 FROM customer
+             ) AS duplicate_customers
+        WHERE duplicate_number > 1
+        LOOP
+            -- Attempt with 'duplicate' suffix
+            new_title := customer_record.title || ' duplicate ' || (customer_record.duplicate_number - 1)::TEXT;
+
+            -- Check if new_title already exists for the same tenant_id
+            SELECT EXISTS (
+                SELECT 1
+                FROM customer
+                WHERE tenant_id = customer_record.tenant_id
+                  AND title = new_title
+            ) INTO title_exists;
+
+            -- If generated title exists, use customer id instead to create a unique title
+            IF title_exists THEN
+                new_title := customer_record.title || ' duplicate ' || customer_record.id::TEXT;
+            END IF;
+
+            -- Update the customer title
+            UPDATE customer
+            SET title = new_title
+            WHERE id = customer_record.id;
+            RAISE NOTICE 'Updated customer with id: % with new title: %', customer_record.id, new_title;
+
+            -- Find and update related dashboards for the customer
+            FOR dashboard_record IN
+                SELECT d.id, d.assigned_customers
+                FROM dashboard d
+                         JOIN relation r ON d.id = r.to_id
+                WHERE r.from_id = customer_record.id
+                  AND r.to_type = 'DASHBOARD'
+                  AND r.relation_type_group = 'DASHBOARD'
+                  AND r.relation_type = 'Contains'
+                LOOP
+                    -- Update each assigned_customers entry where the customerId matches
+                    updated_json := (SELECT jsonb_agg(
+                                                    CASE
+                                                        WHEN (value -> 'customerId' ->> 'id')::uuid = customer_record.id
+                                                            THEN jsonb_set(value, '{title}', ('"' || new_title || '"')::jsonb)
+                                                        ELSE value
+                                                        END
+                                                )
+                                     FROM jsonb_array_elements(dashboard_record.assigned_customers::jsonb));
+
+                    UPDATE dashboard
+                    SET assigned_customers = updated_json
+                    WHERE id = dashboard_record.id;
+                    RAISE NOTICE 'Updated dashboard with id: % with new assigned_customers: %', dashboard_record.id, updated_json;
+                END LOOP;
+        END LOOP;
+    RAISE NOTICE 'Customers and dashboards update process completed successfully!';
+END;
+$$;
+
+call update_customers_with_the_same_title();
+
+DROP PROCEDURE IF EXISTS update_customers_with_the_same_title;
+
+-- UPDATE CUSTOMERS WITH SAME TITLE END
+
+-- CUSTOMER UNIQUE CONSTRAINT UPDATE START
+
+ALTER TABLE customer DROP CONSTRAINT IF EXISTS customer_title_unq_key;
+ALTER TABLE customer ADD CONSTRAINT customer_title_unq_key UNIQUE (tenant_id, title);
+
+-- CUSTOMER UNIQUE CONSTRAINT UPDATE END
+
 -- create new attribute_kv table schema
 DO
 $$

application/src/main/resources/thingsboard.yml

@@ -505,6 +505,12 @@ cache:
     assets:
       timeToLiveInMinutes: "${CACHE_SPECS_ASSETS_TTL:1440}" # Asset cache TTL
       maxSize: "${CACHE_SPECS_ASSETS_MAX_SIZE:10000}" # 0 means the cache is disabled
+    customers:
+      timeToLiveInMinutes: "${CACHE_SPECS_CUSTOMERS_TTL:1440}" # Customer cache TTL
+      maxSize: "${CACHE_SPECS_CUSTOMERS_MAX_SIZE:10000}" # 0 means the cache is disabled
+    users:
+      timeToLiveInMinutes: "${CACHE_SPECS_USERS_TTL:1440}" # User cache TTL
+      maxSize: "${CACHE_SPECS_USERS_MAX_SIZE:10000}" # 0 means the cache is disabled
     entityViews:
       timeToLiveInMinutes: "${CACHE_SPECS_ENTITY_VIEWS_TTL:1440}" # Entity view cache TTL
       maxSize: "${CACHE_SPECS_ENTITY_VIEWS_MAX_SIZE:10000}" # 0 means the cache is disabled

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

@@ -353,7 +353,7 @@ public class CustomerControllerTest extends AbstractControllerTest {
     }
 
     @Test
-    public void testFindCustomersByTitle() throws Exception {
+    public void testFindCustomersWithTitleAsTextSearch() throws Exception {
         TenantId tenantId = savedTenant.getId();
 
         String title1 = "Customer title 1";
@@ -425,6 +425,31 @@ public class CustomerControllerTest extends AbstractControllerTest {
         Assert.assertEquals(0, pageData.getData().size());
     }
 
+    @Test
+    public void testFindCustomerByTitle() throws Exception {
+        Customer customer = new Customer();
+        customer.setTitle("My customer");
+
+        Mockito.reset(tbClusterService, auditLogService);
+
+        Customer savedCustomer = doPost("/api/customer", customer, Customer.class);
+
+        testNotifyEntityAllOneTime(savedCustomer, savedCustomer.getId(), savedCustomer.getId(), savedCustomer.getTenantId(),
+                new CustomerId(CustomerId.NULL_UUID), tenantAdmin.getId(), tenantAdmin.getEmail(),
+                ActionType.ADDED);
+
+        Assert.assertNotNull(savedCustomer);
+        Assert.assertNotNull(savedCustomer.getId());
+        Assert.assertTrue(savedCustomer.getCreatedTime() > 0);
+        Assert.assertEquals(customer.getTitle(), savedCustomer.getTitle());
+
+        Customer foundCustomer = doGet("/api/tenant/customers?customerTitle=" + savedCustomer.getTitle(), Customer.class);
+        Assert.assertEquals(foundCustomer, savedCustomer);
+
+        doDelete("/api/customer/" + savedCustomer.getId().getId().toString())
+                .andExpect(status().isOk());
+    }
+
     @Test
     public void testDeleteCustomerWithDeleteRelationsOk() throws Exception {
         CustomerId customerId = createCustomer("Customer for Test WithRelationsOk").getId();

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

@@ -275,10 +275,9 @@ public class EntityViewControllerTest extends AbstractControllerTest {
     }
 
     @Test
-    public void testAssignAndUnAssignedEntityViewToCustomer() throws Exception {
+    public void testAssignAndUnassignEntityViewToCustomer() throws Exception {
         EntityView view = getNewSavedEntityView("Test entity view");
         Customer savedCustomer = doPost("/api/customer", getNewCustomer("My customer"), Customer.class);
-        view.setCustomerId(savedCustomer.getId());
 
         Mockito.reset(tbClusterService, auditLogService);
 
@@ -304,17 +303,17 @@ public class EntityViewControllerTest extends AbstractControllerTest {
                 ActionType.ASSIGNED_TO_CUSTOMER, ActionType.UPDATED,
                 foundView.getId().getId().toString(), foundView.getCustomerId().getId().toString(), savedCustomer.getTitle());
 
-        EntityView unAssignedView = doDelete("/api/customer/entityView/" + savedView.getId().getId().toString(), EntityView.class);
-        assertEquals(ModelConstants.NULL_UUID, unAssignedView.getCustomerId().getId());
+        EntityView unassignedView = doDelete("/api/customer/entityView/" + savedView.getId().getId().toString(), EntityView.class);
+        assertEquals(ModelConstants.NULL_UUID, unassignedView.getCustomerId().getId());
 
         foundView = doGet("/api/entityView/" + savedView.getId().getId().toString(), EntityView.class);
         assertEquals(ModelConstants.NULL_UUID, foundView.getCustomerId().getId());
 
         testBroadcastEntityStateChangeEventTime(foundView.getId(), foundView.getTenantId(), 1);
-        testNotifyAssignUnassignEntityAllOneTime(unAssignedView, savedView.getId(), savedView.getId(),
-                tenantId, savedView.getCustomerId(), tenantAdminUserId, TENANT_ADMIN_EMAIL,
+        testNotifyAssignUnassignEntityAllOneTime(unassignedView, unassignedView.getId(), unassignedView.getId(),
+                tenantId, savedCustomer.getId(), tenantAdminUserId, TENANT_ADMIN_EMAIL,
                 ActionType.UNASSIGNED_FROM_CUSTOMER, ActionType.UPDATED,
-                assignedView.getId().getId().toString(), savedView.getCustomerId().getId().toString(), savedCustomer.getTitle());
+                assignedView.getId().getId().toString(), savedCustomer.getId().getId().toString(), savedCustomer.getTitle());
     }
 
     @Test

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

@@ -279,7 +279,7 @@ public class UserControllerTest extends AbstractControllerTest {
         user.setTenantId(tenantId);
         user.setEmail(TENANT_ADMIN_EMAIL);
 
-        String msgError = "User with email '" + TENANT_ADMIN_EMAIL + "'  already present in database";
+        String msgError = "User with email '" + TENANT_ADMIN_EMAIL + "' already present in database!";
         doPost("/api/user", user)
                 .andExpect(status().isBadRequest())
                 .andExpect(statusReason(containsString(msgError)));

common/cache/src/main/java/org/thingsboard/server/cache/customer/CustomerCacheEvictEvent.java

@@ -0,0 +1,30 @@
+/**
+ * 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.cache.customer;
+
+import lombok.Data;
+import lombok.RequiredArgsConstructor;
+import org.thingsboard.server.common.data.id.TenantId;
+
+@Data
+@RequiredArgsConstructor
+public class CustomerCacheEvictEvent {
+
+    private final TenantId tenantId;
+    private final String newTitle;
+    private final String oldTitle;
+
+}

common/cache/src/main/java/org/thingsboard/server/cache/customer/CustomerCacheKey.java

@@ -0,0 +1,44 @@
+/**
+ * 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.cache.customer;
+
+import lombok.Builder;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import org.thingsboard.server.common.data.id.TenantId;
+
+import java.io.Serial;
+import java.io.Serializable;
+
+@Getter
+@EqualsAndHashCode
+@RequiredArgsConstructor
+@Builder
+public class CustomerCacheKey implements Serializable {
+
+    @Serial
+    private static final long serialVersionUID = 5706958428811356925L;
+
+    private final TenantId tenantId;
+    private final String title;
+
+    @Override
+    public String toString() {
+        return tenantId + "_" + title;
+    }
+
+}

common/cache/src/main/java/org/thingsboard/server/cache/customer/CustomerCaffeineCache.java

@@ -0,0 +1,33 @@
+/**
+ * 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.cache.customer;
+
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.cache.CacheManager;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.cache.CaffeineTbTransactionalCache;
+import org.thingsboard.server.common.data.CacheConstants;
+import org.thingsboard.server.common.data.Customer;
+
+@ConditionalOnProperty(prefix = "cache", value = "type", havingValue = "caffeine", matchIfMissing = true)
+@Service("CustomerCache")
+public class CustomerCaffeineCache extends CaffeineTbTransactionalCache<CustomerCacheKey, Customer> {
+
+    public CustomerCaffeineCache(CacheManager cacheManager) {
+        super(cacheManager, CacheConstants.CUSTOMER_CACHE);
+    }
+
+}

common/cache/src/main/java/org/thingsboard/server/cache/customer/CustomerRedisCache.java

@@ -0,0 +1,35 @@
+/**
+ * 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.cache.customer;
+
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.data.redis.connection.RedisConnectionFactory;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.cache.CacheSpecsMap;
+import org.thingsboard.server.cache.RedisTbTransactionalCache;
+import org.thingsboard.server.cache.TBRedisCacheConfiguration;
+import org.thingsboard.server.cache.TbJsonRedisSerializer;
+import org.thingsboard.server.common.data.CacheConstants;
+import org.thingsboard.server.common.data.Customer;
+
+@ConditionalOnProperty(prefix = "cache", value = "type", havingValue = "redis")
+@Service("CustomerCache")
+public class CustomerRedisCache extends RedisTbTransactionalCache<CustomerCacheKey, Customer> {
+
+    public CustomerRedisCache(TBRedisCacheConfiguration configuration, CacheSpecsMap cacheSpecsMap, RedisConnectionFactory connectionFactory) {
+        super(CacheConstants.CUSTOMER_CACHE, cacheSpecsMap, connectionFactory, configuration, new TbJsonRedisSerializer<>(Customer.class));
+    }
+}

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/util/EntityContainer.java → common/cache/src/main/java/org/thingsboard/server/cache/user/UserCacheEvictEvent.java

@@ -13,16 +13,18 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.thingsboard.rule.engine.util;
+package org.thingsboard.server.cache.user;
 
 import lombok.Data;
-import org.thingsboard.server.common.data.EntityType;
-import org.thingsboard.server.common.data.id.EntityId;
+import lombok.RequiredArgsConstructor;
+import org.thingsboard.server.common.data.id.TenantId;
 
 @Data
-public class EntityContainer {
+@RequiredArgsConstructor
+public class UserCacheEvictEvent {
 
-    private EntityId entityId;
-    private EntityType entityType;
+    private final TenantId tenantId;
+    private final String newEmail;
+    private final String oldEmail;
 
 }

common/cache/src/main/java/org/thingsboard/server/cache/user/UserCacheKey.java

@@ -0,0 +1,44 @@
+/**
+ * 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.cache.user;
+
+import lombok.Builder;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+import org.thingsboard.server.common.data.id.TenantId;
+
+import java.io.Serial;
+import java.io.Serializable;
+
+@Getter
+@EqualsAndHashCode
+@RequiredArgsConstructor
+@Builder
+public class UserCacheKey implements Serializable {
+
+    @Serial
+    private static final long serialVersionUID = 7357353074893750678L;
+
+    private final TenantId tenantId;
+    private final String email;
+
+    @Override
+    public String toString() {
+        return tenantId + "_" + email;
+    }
+
+}

common/cache/src/main/java/org/thingsboard/server/cache/user/UserCaffeineCache.java

@@ -0,0 +1,33 @@
+/**
+ * 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.cache.user;
+
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.cache.CacheManager;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.cache.CaffeineTbTransactionalCache;
+import org.thingsboard.server.common.data.CacheConstants;
+import org.thingsboard.server.common.data.User;
+
+@ConditionalOnProperty(prefix = "cache", value = "type", havingValue = "caffeine", matchIfMissing = true)
+@Service("UserCache")
+public class UserCaffeineCache extends CaffeineTbTransactionalCache<UserCacheKey, User> {
+
+    public UserCaffeineCache(CacheManager cacheManager) {
+        super(cacheManager, CacheConstants.USER_CACHE);
+    }
+
+}

common/cache/src/main/java/org/thingsboard/server/cache/user/UserRedisCache.java

@@ -0,0 +1,35 @@
+/**
+ * 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.cache.user;
+
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.data.redis.connection.RedisConnectionFactory;
+import org.springframework.stereotype.Service;
+import org.thingsboard.server.cache.CacheSpecsMap;
+import org.thingsboard.server.cache.RedisTbTransactionalCache;
+import org.thingsboard.server.cache.TBRedisCacheConfiguration;
+import org.thingsboard.server.cache.TbJsonRedisSerializer;
+import org.thingsboard.server.common.data.CacheConstants;
+import org.thingsboard.server.common.data.User;
+
+@ConditionalOnProperty(prefix = "cache", value = "type", havingValue = "redis")
+@Service("UserCache")
+public class UserRedisCache extends RedisTbTransactionalCache<UserCacheKey, User> {
+
+    public UserRedisCache(TBRedisCacheConfiguration configuration, CacheSpecsMap cacheSpecsMap, RedisConnectionFactory connectionFactory) {
+        super(CacheConstants.USER_CACHE, cacheSpecsMap, connectionFactory, configuration, new TbJsonRedisSerializer<>(User.class));
+    }
+}

common/cache/src/test/java/org/thingsboard/server/cache/CacheSpecsMapTest.java

@@ -26,6 +26,7 @@ import org.springframework.cache.support.SimpleCacheManager;
 import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.TestPropertySource;
 import org.springframework.test.context.junit.jupiter.SpringExtension;
+import org.thingsboard.server.common.data.CacheConstants;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -53,8 +54,8 @@ public class CacheSpecsMapTest {
     @Test
     public void givenCacheConfig_whenCacheManagerReady_thenVerifyExistedCachesWithNoTransactionAwareCacheDecorator() {
         // We no longer use built-in transaction support for the caches, because we have our own cache cleanup and transaction logic that implements CAS.
-        assertThat(cacheManager.getCache("relations")).isInstanceOf(CaffeineCache.class);
-        assertThat(cacheManager.getCache("devices")).isInstanceOf(CaffeineCache.class);
+        assertThat(cacheManager.getCache(CacheConstants.RELATIONS_CACHE)).isInstanceOf(CaffeineCache.class);
+        assertThat(cacheManager.getCache(CacheConstants.DEVICE_CACHE)).isInstanceOf(CaffeineCache.class);
     }
 
     @Test

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

@@ -21,6 +21,8 @@ public class CacheConstants {
     public static final String DEVICE_CACHE = "devices";
     public static final String SESSIONS_CACHE = "sessions";
     public static final String ASSET_CACHE = "assets";
+    public static final String CUSTOMER_CACHE = "customers";
+    public static final String USER_CACHE = "users";
     public static final String ENTITY_VIEW_CACHE = "entityViews";
     public static final String EDGE_CACHE = "edges";
     public static final String CLAIM_DEVICES_CACHE = "claimDevices";

dao/src/main/java/org/thingsboard/server/dao/asset/BaseAssetService.java

@@ -184,6 +184,9 @@ public class BaseAssetService extends AbstractCachedEntityService<AssetCacheKey,
     @Override
     public Asset assignAssetToCustomer(TenantId tenantId, AssetId assetId, CustomerId customerId) {
         Asset asset = findAssetById(tenantId, assetId);
+        if (customerId.equals(asset.getCustomerId())) {
+            return asset;
+        }
         asset.setCustomerId(customerId);
         return saveAsset(asset);
     }
@@ -191,6 +194,9 @@ public class BaseAssetService extends AbstractCachedEntityService<AssetCacheKey,
     @Override
     public Asset unassignAssetFromCustomer(TenantId tenantId, AssetId assetId) {
         Asset asset = findAssetById(tenantId, assetId);
+        if (asset.getCustomerId() == null) {
+            return asset;
+        }
         asset.setCustomerId(null);
         return saveAsset(asset);
     }

dao/src/main/java/org/thingsboard/server/dao/customer/CustomerDao.java

@@ -50,12 +50,20 @@ public interface CustomerDao extends Dao<Customer>, TenantEntityDao, ExportableE
     PageData<Customer> findCustomersByTenantId(UUID tenantId, PageLink pageLink);
 
     /**
-     * Find customers by tenantId and customer title.
+     * Find customer by tenantId and customer title.
      *
      * @param tenantId the tenantId
      * @param title the customer title
      * @return the optional customer object
      */
-    Optional<Customer> findCustomersByTenantIdAndTitle(UUID tenantId, String title);
+    Optional<Customer> findCustomerByTenantIdAndTitle(UUID tenantId, String title);
+
+    /**
+     * Find public customer by tenantId.
+     *
+     * @param tenantId the tenantId
+     * @return the optional public customer object
+     */
+    Optional<Customer> findPublicCustomerByTenantId(UUID tenantId);
 
 }

dao/src/main/java/org/thingsboard/server/dao/customer/CustomerServiceImpl.java

@@ -15,15 +15,21 @@
  */
 package org.thingsboard.server.dao.customer;
 
+import com.fasterxml.jackson.databind.JsonNode;
 import com.google.common.util.concurrent.ListenableFuture;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.transaction.event.TransactionalEventListener;
+import org.springframework.util.ConcurrentReferenceHashMap;
 import org.thingsboard.common.util.JacksonUtil;
+import org.thingsboard.server.cache.customer.CustomerCacheEvictEvent;
+import org.thingsboard.server.cache.customer.CustomerCacheKey;
 import org.thingsboard.server.common.data.Customer;
 import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.StringUtils;
 import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.id.HasId;
@@ -33,7 +39,7 @@ import org.thingsboard.server.common.data.page.PageLink;
 import org.thingsboard.server.dao.asset.AssetService;
 import org.thingsboard.server.dao.dashboard.DashboardService;
 import org.thingsboard.server.dao.device.DeviceService;
-import org.thingsboard.server.dao.entity.AbstractEntityService;
+import org.thingsboard.server.dao.entity.AbstractCachedEntityService;
 import org.thingsboard.server.dao.entity.EntityCountService;
 import org.thingsboard.server.dao.eventsourcing.DeleteEntityEvent;
 import org.thingsboard.server.dao.eventsourcing.SaveEntityEvent;
@@ -44,17 +50,24 @@ import org.thingsboard.server.dao.service.Validator;
 import org.thingsboard.server.dao.usagerecord.ApiUsageStateService;
 import org.thingsboard.server.dao.user.UserService;
 
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Optional;
+import java.util.concurrent.ConcurrentMap;
 
 import static org.thingsboard.server.dao.service.Validator.validateId;
 
 @Service("CustomerDaoService")
 @Slf4j
-public class CustomerServiceImpl extends AbstractEntityService implements CustomerService {
+public class CustomerServiceImpl extends AbstractCachedEntityService<CustomerCacheKey, Customer, CustomerCacheEvictEvent> implements CustomerService {
 
     public static final String PUBLIC_CUSTOMER_TITLE = "Public";
     public static final String INCORRECT_CUSTOMER_ID = "Incorrect customerId ";
     public static final String INCORRECT_TENANT_ID = "Incorrect tenantId ";
+    public static final String PUBLIC_CUSTOMER_ADDITIONAL_INFO_STR = "{ \"isPublic\": true }";
+    public static final JsonNode PUBLIC_CUSTOMER_ADDITIONAL_INFO_JSON = JacksonUtil.toJsonNode(PUBLIC_CUSTOMER_ADDITIONAL_INFO_STR);
+
+    private final ConcurrentMap<TenantId, Object> publicCustomerCreationLocks = new ConcurrentReferenceHashMap<>();
 
     @Autowired
     private CustomerDao customerDao;
@@ -81,6 +94,17 @@ public class CustomerServiceImpl extends AbstractEntityService implements Custom
     @Autowired
     private EntityCountService countService;
 
+    @TransactionalEventListener(classes = CustomerCacheEvictEvent.class)
+    @Override
+    public void handleEvictEvent(CustomerCacheEvictEvent event) {
+        List<CustomerCacheKey> keys = new ArrayList<>(2);
+        keys.add(new CustomerCacheKey(event.getTenantId(), event.getNewTitle()));
+        if (StringUtils.isNotEmpty(event.getOldTitle()) && !event.getOldTitle().equals(event.getNewTitle())) {
+            keys.add(new CustomerCacheKey(event.getTenantId(), event.getOldTitle()));
+        }
+        cache.evict(keys);
+    }
+
     @Override
     public Customer findCustomerById(TenantId tenantId, CustomerId customerId) {
         log.trace("Executing findCustomerById [{}]", customerId);
@@ -92,7 +116,9 @@ public class CustomerServiceImpl extends AbstractEntityService implements Custom
     public Optional<Customer> findCustomerByTenantIdAndTitle(TenantId tenantId, String title) {
         log.trace("Executing findCustomerByTenantIdAndTitle [{}] [{}]", tenantId, title);
         validateId(tenantId, id -> INCORRECT_TENANT_ID + id);
-        return customerDao.findCustomersByTenantIdAndTitle(tenantId.getId(), title);
+        return Optional.ofNullable(cache.getAndPutInTransaction(new CustomerCacheKey(tenantId, title),
+                () -> customerDao.findCustomerByTenantIdAndTitle(tenantId.getId(), title)
+                        .orElse(null), true));
     }
 
     @Override
@@ -103,23 +129,38 @@ public class CustomerServiceImpl extends AbstractEntityService implements Custom
     }
 
     @Override
+    @Transactional
     public Customer saveCustomer(Customer customer) {
+        return saveCustomer(customer, true);
+    }
+
+    private Customer saveCustomer(Customer customer, boolean doValidate) {
         log.trace("Executing saveCustomer [{}]", customer);
-        customerValidator.validate(customer, Customer::getTenantId);
+        String oldCustomerTitle = null;
+        if (doValidate) {
+            Customer oldCustomer = customerValidator.validate(customer, Customer::getTenantId);
+            if (oldCustomer != null) {
+                oldCustomerTitle = oldCustomer.getTitle();
+            }
+        }
+        var evictEvent = new CustomerCacheEvictEvent(customer.getTenantId(), customer.getTitle(), oldCustomerTitle);
         try {
-            Customer savedCustomer = customerDao.save(customer.getTenantId(), customer);
+            Customer savedCustomer = customerDao.saveAndFlush(customer.getTenantId(), customer);
             dashboardService.updateCustomerDashboards(savedCustomer.getTenantId(), savedCustomer.getId());
             if (customer.getId() == null) {
                 countService.publishCountEntityEvictEvent(savedCustomer.getTenantId(), EntityType.CUSTOMER);
             }
+            publishEvictEvent(evictEvent);
             eventPublisher.publishEvent(SaveEntityEvent.builder().tenantId(savedCustomer.getTenantId())
                     .entityId(savedCustomer.getId()).created(customer.getId() == null).build());
             return savedCustomer;
         } catch (Exception e) {
-            checkConstraintViolation(e, "customer_external_id_unq_key", "Customer with such external id already exists!");
+            handleEvictEvent(evictEvent);
+            checkConstraintViolation(e,
+                    "customer_title_unq_key", "Customer with such title already exists!",
+                    "customer_external_id_unq_key", "Customer with such external id already exists!");
             throw e;
         }
-
     }
 
     @Override
@@ -142,27 +183,32 @@ public class CustomerServiceImpl extends AbstractEntityService implements Custom
         customerDao.removeById(tenantId, customerId.getId());
         countService.publishCountEntityEvictEvent(tenantId, EntityType.CUSTOMER);
         eventPublisher.publishEvent(DeleteEntityEvent.builder().tenantId(tenantId).entityId(customerId).build());
+        publishEvictEvent(new CustomerCacheEvictEvent(customer.getTenantId(), customer.getTitle(), null));
     }
 
     @Override
+    @Transactional
     public Customer findOrCreatePublicCustomer(TenantId tenantId) {
         log.trace("Executing findOrCreatePublicCustomer, tenantId [{}]", tenantId);
-        Validator.validateId(tenantId, id -> INCORRECT_CUSTOMER_ID + id);
-        Optional<Customer> publicCustomerOpt = customerDao.findCustomersByTenantIdAndTitle(tenantId.getId(), PUBLIC_CUSTOMER_TITLE);
+        Validator.validateId(tenantId, id -> INCORRECT_TENANT_ID + tenantId);
+        Optional<Customer> publicCustomerOpt = customerDao.findPublicCustomerByTenantId(tenantId.getId());
         if (publicCustomerOpt.isPresent()) {
             return publicCustomerOpt.get();
-        } else {
-            Customer publicCustomer = new Customer();
+        }
+        synchronized (publicCustomerCreationLocks.computeIfAbsent(tenantId, k -> new Object())) {
+            publicCustomerOpt = customerDao.findPublicCustomerByTenantId(tenantId.getId());
+            if (publicCustomerOpt.isPresent()) {
+                return publicCustomerOpt.get();
+            }
+            var publicCustomer = new Customer();
             publicCustomer.setTenantId(tenantId);
             publicCustomer.setTitle(PUBLIC_CUSTOMER_TITLE);
             try {
-                publicCustomer.setAdditionalInfo(JacksonUtil.toJsonNode("{ \"isPublic\": true }"));
+                publicCustomer.setAdditionalInfo(PUBLIC_CUSTOMER_ADDITIONAL_INFO_JSON);
             } catch (IllegalArgumentException e) {
                 throw new IncorrectParameterException("Unable to create public customer.", e);
             }
-            Customer savedCustomer = customerDao.save(tenantId, publicCustomer);
-            countService.publishCountEntityEvictEvent(tenantId, EntityType.CUSTOMER);
-            return savedCustomer;
+            return saveCustomer(publicCustomer, false);
         }
     }
 
@@ -181,8 +227,8 @@ public class CustomerServiceImpl extends AbstractEntityService implements Custom
         customersByTenantRemover.removeEntities(tenantId, tenantId);
     }
 
-    private PaginatedRemover<TenantId, Customer> customersByTenantRemover =
-            new PaginatedRemover<TenantId, Customer>() {
+    private final PaginatedRemover<TenantId, Customer> customersByTenantRemover =
+            new PaginatedRemover<>() {
 
                 @Override
                 protected PageData<Customer> findEntities(TenantId tenantId, TenantId id, PageLink pageLink) {

dao/src/main/java/org/thingsboard/server/dao/dashboard/DashboardServiceImpl.java

@@ -171,8 +171,6 @@ public class DashboardServiceImpl extends AbstractEntityService implements Dashb
         }
     }
 
-
-
     @Override
     public Dashboard assignDashboardToCustomer(TenantId tenantId, DashboardId dashboardId, CustomerId customerId) {
         Dashboard dashboard = findDashboardById(tenantId, dashboardId);
@@ -216,12 +214,10 @@ public class DashboardServiceImpl extends AbstractEntityService implements Dashb
         }
     }
 
-    private Dashboard updateAssignedCustomer(TenantId tenantId, DashboardId dashboardId, Customer customer) {
+    private void updateAssignedCustomer(TenantId tenantId, DashboardId dashboardId, Customer customer) {
         Dashboard dashboard = findDashboardById(tenantId, dashboardId);
         if (dashboard.updateAssignedCustomer(customer)) {
-            return saveDashboard(dashboard);
-        } else {
-            return dashboard;
+            saveDashboard(dashboard);
         }
     }
 

dao/src/main/java/org/thingsboard/server/dao/device/DeviceServiceImpl.java

@@ -306,6 +306,9 @@ public class DeviceServiceImpl extends AbstractCachedEntityService<DeviceCacheKe
     @Override
     public Device assignDeviceToCustomer(TenantId tenantId, DeviceId deviceId, CustomerId customerId) {
         Device device = findDeviceById(tenantId, deviceId);
+        if (customerId.equals(device.getCustomerId())) {
+            return device;
+        }
         device.setCustomerId(customerId);
         return saveDevice(device);
     }
@@ -314,6 +317,9 @@ public class DeviceServiceImpl extends AbstractCachedEntityService<DeviceCacheKe
     @Override
     public Device unassignDeviceFromCustomer(TenantId tenantId, DeviceId deviceId) {
         Device device = findDeviceById(tenantId, deviceId);
+        if (device.getCustomerId() == null) {
+            return device;
+        }
         device.setCustomerId(null);
         return saveDevice(device);
     }

dao/src/main/java/org/thingsboard/server/dao/edge/EdgeServiceImpl.java

@@ -199,6 +199,9 @@ public class EdgeServiceImpl extends AbstractCachedEntityService<EdgeCacheKey, E
     public Edge assignEdgeToCustomer(TenantId tenantId, EdgeId edgeId, CustomerId customerId) {
         log.trace("[{}] Executing assignEdgeToCustomer [{}][{}]", tenantId, edgeId, customerId);
         Edge edge = findEdgeById(tenantId, edgeId);
+        if (customerId.equals(edge.getCustomerId())) {
+            return edge;
+        }
         edge.setCustomerId(customerId);
         eventPublisher.publishEvent(ActionEntityEvent.builder().tenantId(tenantId).entityId(edgeId)
                 .body(JacksonUtil.toString(customerId)).actionType(ActionType.ASSIGNED_TO_CUSTOMER).build());
@@ -209,7 +212,10 @@ public class EdgeServiceImpl extends AbstractCachedEntityService<EdgeCacheKey, E
     public Edge unassignEdgeFromCustomer(TenantId tenantId, EdgeId edgeId) {
         log.trace("[{}] Executing unassignEdgeFromCustomer [{}]", tenantId, edgeId);
         Edge edge = findEdgeById(tenantId, edgeId);
-        var customerId = edge.getCustomerId();
+        CustomerId customerId = edge.getCustomerId();
+        if (customerId == null) {
+            return edge;
+        }
         edge.setCustomerId(null);
         Edge result = saveEdge(edge);
         eventPublisher.publishEvent(ActionEntityEvent.builder().tenantId(tenantId).entityId(edgeId)

dao/src/main/java/org/thingsboard/server/dao/entityview/EntityViewServiceImpl.java

@@ -131,6 +131,9 @@ public class EntityViewServiceImpl extends AbstractCachedEntityService<EntityVie
     @Override
     public EntityView assignEntityViewToCustomer(TenantId tenantId, EntityViewId entityViewId, CustomerId customerId) {
         EntityView entityView = findEntityViewById(tenantId, entityViewId);
+        if (customerId.equals(entityView.getCustomerId())) {
+            return entityView;
+        }
         entityView.setCustomerId(customerId);
         return saveEntityView(entityView);
     }
@@ -138,6 +141,9 @@ public class EntityViewServiceImpl extends AbstractCachedEntityService<EntityVie
     @Override
     public EntityView unassignEntityViewFromCustomer(TenantId tenantId, EntityViewId entityViewId) {
         EntityView entityView = findEntityViewById(tenantId, entityViewId);
+        if (entityView.getCustomerId() == null) {
+            return entityView;
+        }
         entityView.setCustomerId(null);
         return saveEntityView(entityView);
     }

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

@@ -135,6 +135,7 @@ public class ModelConstants {
     public static final String CUSTOMER_TENANT_ID_PROPERTY = TENANT_ID_PROPERTY;
     public static final String CUSTOMER_TITLE_PROPERTY = TITLE_PROPERTY;
     public static final String CUSTOMER_ADDITIONAL_INFO_PROPERTY = ADDITIONAL_INFO_PROPERTY;
+    public static final String CUSTOMER_IS_PUBLIC_PROPERTY = "is_public";
 
     /**
      * Device constants.

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

@@ -67,6 +67,9 @@ public final class CustomerEntity extends BaseSqlEntity<Customer> {
     @Column(name = ModelConstants.EMAIL_PROPERTY)
     private String email;
 
+    @Column(name = ModelConstants.CUSTOMER_IS_PUBLIC_PROPERTY)
+    private boolean isPublic;
+
     @Convert(converter = JsonConverter.class)
     @Column(name = ModelConstants.CUSTOMER_ADDITIONAL_INFO_PROPERTY)
     private JsonNode additionalInfo;
@@ -94,6 +97,7 @@ public final class CustomerEntity extends BaseSqlEntity<Customer> {
         this.phone = customer.getPhone();
         this.email = customer.getEmail();
         this.additionalInfo = customer.getAdditionalInfo();
+        this.isPublic = customer.isPublic();
         if (customer.getExternalId() != null) {
             this.externalId = customer.getExternalId().getId();
         }

dao/src/main/java/org/thingsboard/server/dao/service/validator/CustomerDataValidator.java

@@ -27,8 +27,6 @@ import org.thingsboard.server.dao.exception.DataValidationException;
 import org.thingsboard.server.dao.service.DataValidator;
 import org.thingsboard.server.dao.tenant.TenantService;
 
-import java.util.Optional;
-
 @Component
 public class CustomerDataValidator extends DataValidator<Customer> {
 
@@ -41,24 +39,15 @@ public class CustomerDataValidator extends DataValidator<Customer> {
     @Override
     protected void validateCreate(TenantId tenantId, Customer customer) {
         validateNumberOfEntitiesPerTenant(tenantId, EntityType.CUSTOMER);
-        customerDao.findCustomersByTenantIdAndTitle(customer.getTenantId().getId(), customer.getTitle()).ifPresent(
-                c -> {
-                    throw new DataValidationException("Customer with such title already exists!");
-                }
-        );
     }
 
     @Override
     protected Customer validateUpdate(TenantId tenantId, Customer customer) {
-        Optional<Customer> customerOpt = customerDao.findCustomersByTenantIdAndTitle(customer.getTenantId().getId(), customer.getTitle());
-        customerOpt.ifPresent(
-                c -> {
-                    if (!c.getId().equals(customer.getId())) {
-                        throw new DataValidationException("Customer with such title already exists!");
-                    }
-                }
-        );
-        return customerOpt.orElse(null);
+        Customer old = customerDao.findById(customer.getTenantId(), customer.getId().getId());
+        if (old == null) {
+            throw new DataValidationException("Can't update non existing customer!");
+        }
+        return old;
     }
 
     @Override

dao/src/main/java/org/thingsboard/server/dao/service/validator/UserDataValidator.java

@@ -122,11 +122,6 @@ public class UserDataValidator extends DataValidator<User> {
                 break;
         }
 
-        User existentUserWithEmail = userService.findUserByEmail(tenantId, user.getEmail());
-        if (existentUserWithEmail != null && !isSameData(existentUserWithEmail, user)) {
-            throw new DataValidationException("User with email '" + user.getEmail() + "' "
-                    + " already present in database!");
-        }
         if (!tenantId.getId().equals(ModelConstants.NULL_UUID)) {
             if (!tenantService.tenantExists(user.getTenantId())) {
                 throw new DataValidationException("User is referencing to non-existent tenant!");

dao/src/main/java/org/thingsboard/server/dao/sql/customer/CustomerRepository.java

@@ -38,6 +38,11 @@ public interface CustomerRepository extends JpaRepository<CustomerEntity, UUID>,
 
     CustomerEntity findByTenantIdAndTitle(UUID tenantId, String title);
 
+    @Query(value = "SELECT * FROM customer c WHERE c.tenant_id = :tenantId " +
+            "AND c.is_public IS TRUE ORDER BY c.id ASC LIMIT 1", nativeQuery = true)
+    CustomerEntity findPublicCustomerByTenantId(@Param("tenantId") UUID tenantId);
+
+
     Long countByTenantId(UUID tenantId);
 
     @Query("SELECT externalId FROM CustomerEntity WHERE id = :id")

dao/src/main/java/org/thingsboard/server/dao/sql/customer/JpaCustomerDao.java

@@ -30,7 +30,6 @@ import org.thingsboard.server.dao.model.sql.CustomerEntity;
 import org.thingsboard.server.dao.sql.JpaAbstractDao;
 import org.thingsboard.server.dao.util.SqlDao;
 
-import java.util.Objects;
 import java.util.Optional;
 import java.util.UUID;
 
@@ -63,9 +62,13 @@ public class JpaCustomerDao extends JpaAbstractDao<CustomerEntity, Customer> imp
     }
 
     @Override
-    public Optional<Customer> findCustomersByTenantIdAndTitle(UUID tenantId, String title) {
-        Customer customer = DaoUtil.getData(customerRepository.findByTenantIdAndTitle(tenantId, title));
-        return Optional.ofNullable(customer);
+    public Optional<Customer> findCustomerByTenantIdAndTitle(UUID tenantId, String title) {
+        return Optional.ofNullable(DaoUtil.getData(customerRepository.findByTenantIdAndTitle(tenantId, title)));
+    }
+
+    @Override
+    public Optional<Customer> findPublicCustomerByTenantId(UUID tenantId) {
+        return Optional.ofNullable(DaoUtil.getData(customerRepository.findPublicCustomerByTenantId(tenantId)));
     }
 
     @Override
@@ -80,7 +83,7 @@ public class JpaCustomerDao extends JpaAbstractDao<CustomerEntity, Customer> imp
 
     @Override
     public Customer findByTenantIdAndName(UUID tenantId, String name) {
-        return findCustomersByTenantIdAndTitle(tenantId, name).orElse(null);
+        return findCustomerByTenantIdAndTitle(tenantId, name).orElse(null);
     }
 
     @Override

dao/src/main/java/org/thingsboard/server/dao/user/UserServiceImpl.java

@@ -27,8 +27,12 @@ import org.springframework.security.authentication.DisabledException;
 import org.springframework.security.core.userdetails.UsernameNotFoundException;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.transaction.event.TransactionalEventListener;
 import org.thingsboard.common.util.JacksonUtil;
+import org.thingsboard.server.cache.user.UserCacheEvictEvent;
+import org.thingsboard.server.cache.user.UserCacheKey;
 import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.StringUtils;
 import org.thingsboard.server.common.data.User;
 import org.thingsboard.server.common.data.audit.ActionType;
 import org.thingsboard.server.common.data.id.CustomerId;
@@ -47,7 +51,7 @@ import org.thingsboard.server.common.data.security.UserCredentials;
 import org.thingsboard.server.common.data.security.event.UserCredentialsInvalidationEvent;
 import org.thingsboard.server.common.data.settings.UserSettings;
 import org.thingsboard.server.common.data.settings.UserSettingsType;
-import org.thingsboard.server.dao.entity.AbstractEntityService;
+import org.thingsboard.server.dao.entity.AbstractCachedEntityService;
 import org.thingsboard.server.dao.entity.EntityCountService;
 import org.thingsboard.server.dao.eventsourcing.ActionEntityEvent;
 import org.thingsboard.server.dao.eventsourcing.DeleteEntityEvent;
@@ -56,6 +60,7 @@ import org.thingsboard.server.dao.exception.IncorrectParameterException;
 import org.thingsboard.server.dao.service.DataValidator;
 import org.thingsboard.server.dao.service.PaginatedRemover;
 
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
@@ -71,7 +76,7 @@ import static org.thingsboard.server.dao.service.Validator.validateString;
 @Service("UserDaoService")
 @Slf4j
 @RequiredArgsConstructor
-public class UserServiceImpl extends AbstractEntityService implements UserService {
+public class UserServiceImpl extends AbstractCachedEntityService<UserCacheKey, User, UserCacheEvictEvent> implements UserService {
 
     public static final String USER_PASSWORD_HISTORY = "userPasswordHistory";
 
@@ -97,6 +102,17 @@ public class UserServiceImpl extends AbstractEntityService implements UserServic
     private final ApplicationEventPublisher eventPublisher;
     private final EntityCountService countService;
 
+    @TransactionalEventListener(classes = UserCacheEvictEvent.class)
+    @Override
+    public void handleEvictEvent(UserCacheEvictEvent event) {
+        List<UserCacheKey> keys = new ArrayList<>(2);
+        keys.add(new UserCacheKey(event.getTenantId(), event.getNewEmail()));
+        if (StringUtils.isNotEmpty(event.getOldEmail()) && !event.getOldEmail().equals(event.getNewEmail())) {
+            keys.add(new UserCacheKey(event.getTenantId(), event.getOldEmail()));
+        }
+        cache.evict(keys);
+    }
+
     @Override
     public User findUserByEmail(TenantId tenantId, String email) {
         log.trace("Executing findUserByEmail [{}]", email);
@@ -113,7 +129,8 @@ public class UserServiceImpl extends AbstractEntityService implements UserServic
         log.trace("Executing findUserByTenantIdAndEmail [{}][{}]", tenantId, email);
         validateId(tenantId, id -> INCORRECT_TENANT_ID + id);
         validateString(email, e -> "Incorrect email " + e);
-        return userDao.findByTenantIdAndEmail(tenantId, email);
+        return cache.getAndPutInTransaction(new UserCacheKey(tenantId, email),
+                () -> userDao.findByTenantIdAndEmail(tenantId, email), true);
     }
 
     @Override
@@ -131,28 +148,38 @@ public class UserServiceImpl extends AbstractEntityService implements UserServic
     }
 
     @Override
+    @Transactional
     public User saveUser(TenantId tenantId, User user) {
         log.trace("Executing saveUser [{}]", user);
         User oldUser = userValidator.validate(user, User::getTenantId);
         if (!userLoginCaseSensitive) {
             user.setEmail(user.getEmail().toLowerCase());
         }
-        User savedUser = userDao.save(user.getTenantId(), user);
-        if (user.getId() == null) {
-            countService.publishCountEntityEvictEvent(savedUser.getTenantId(), EntityType.USER);
-            UserCredentials userCredentials = new UserCredentials();
-            userCredentials.setEnabled(false);
-            userCredentials.setActivateToken(generateSafeToken(DEFAULT_TOKEN_LENGTH));
-            userCredentials.setUserId(new UserId(savedUser.getUuidId()));
-            userCredentials.setAdditionalInfo(JacksonUtil.newObjectNode());
-            userCredentialsDao.save(user.getTenantId(), userCredentials);
+        var evictEvent = new UserCacheEvictEvent(user.getTenantId(), user.getEmail(), oldUser != null ? oldUser.getEmail() : null);
+        User savedUser;
+        try {
+            savedUser = userDao.saveAndFlush(user.getTenantId(), user);
+            publishEvictEvent(evictEvent);
+            if (user.getId() == null) {
+                countService.publishCountEntityEvictEvent(savedUser.getTenantId(), EntityType.USER);
+                UserCredentials userCredentials = new UserCredentials();
+                userCredentials.setEnabled(false);
+                userCredentials.setActivateToken(generateSafeToken(DEFAULT_TOKEN_LENGTH));
+                userCredentials.setUserId(new UserId(savedUser.getUuidId()));
+                userCredentials.setAdditionalInfo(JacksonUtil.newObjectNode());
+                userCredentialsDao.save(user.getTenantId(), userCredentials);
+            }
+            eventPublisher.publishEvent(SaveEntityEvent.builder()
+                    .tenantId(tenantId == null ? TenantId.SYS_TENANT_ID : tenantId)
+                    .entity(savedUser)
+                    .oldEntity(oldUser)
+                    .entityId(savedUser.getId())
+                    .created(user.getId() == null).build());
+        } catch (Exception t) {
+            handleEvictEvent(evictEvent);
+            checkConstraintViolation(t, "tb_user_email_key", "User with email '" + user.getEmail() + "' already present in database!");
+            throw t;
         }
-        eventPublisher.publishEvent(SaveEntityEvent.builder()
-                .tenantId(tenantId == null ? TenantId.SYS_TENANT_ID : tenantId)
-                .entity(savedUser)
-                .oldEntity(oldUser)
-                .entityId(savedUser.getId())
-                .created(user.getId() == null).build());
         return savedUser;
     }
 
@@ -263,6 +290,7 @@ public class UserServiceImpl extends AbstractEntityService implements UserServic
         userCredentialsDao.removeByUserId(tenantId, userId);
         userAuthSettingsDao.removeByUserId(userId);
         deleteEntityRelations(tenantId, userId);
+        publishEvictEvent(new UserCacheEvictEvent(user.getTenantId(), user.getEmail(), null));
 
         userDao.removeById(tenantId, userId.getId());
         eventPublisher.publishEvent(new UserCredentialsInvalidationEvent(userId));

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

@@ -144,6 +144,8 @@ CREATE TABLE IF NOT EXISTS customer (
     title varchar(255),
     zip varchar(255),
     external_id uuid,
+    is_public boolean,
+    CONSTRAINT customer_title_unq_key UNIQUE (tenant_id, title),
     CONSTRAINT customer_external_id_unq_key UNIQUE (tenant_id, external_id)
 );
 

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

@@ -37,6 +37,7 @@ import org.thingsboard.server.dao.exception.DataValidationException;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Optional;
 import java.util.concurrent.TimeUnit;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -54,7 +55,7 @@ public class CustomerServiceTest extends AbstractServiceTest {
     @Before
     public void before() {
         executor = MoreExecutors.listeningDecorator(ThingsBoardExecutors.newWorkStealingPool(8, getClass()));
-      }
+    }
 
     @After
     public void after() {
@@ -181,7 +182,7 @@ public class CustomerServiceTest extends AbstractServiceTest {
     }
 
     @Test
-    public void testFindCustomersByTenantIdAndTitle() throws Exception {
+    public void testFindCustomersByTenantIdAndTitleAsTextSearch() throws Exception {
         String title1 = "Customer title 1";
         List<ListenableFuture<Customer>> futures = new ArrayList<>(143);
         for (int i = 0; i < 143; i++) {
@@ -261,4 +262,25 @@ public class CustomerServiceTest extends AbstractServiceTest {
         Assert.assertFalse(pageData.hasNext());
         Assert.assertEquals(0, pageData.getData().size());
     }
+
+    @Test
+    public void testFindCustomerByTitle() {
+        Customer customer = new Customer();
+        customer.setTenantId(tenantId);
+        customer.setTitle("My customer");
+        Customer savedCustomer = customerService.saveCustomer(customer);
+
+        Assert.assertNotNull(savedCustomer);
+        Assert.assertNotNull(savedCustomer.getId());
+        Assert.assertTrue(savedCustomer.getCreatedTime() > 0);
+        Assert.assertEquals(customer.getTenantId(), savedCustomer.getTenantId());
+        Assert.assertEquals(customer.getTitle(), savedCustomer.getTitle());
+
+        Optional<Customer> foundCustomerOpt = customerService.findCustomerByTenantIdAndTitle(tenantId, savedCustomer.getTitle());
+        Assert.assertTrue(foundCustomerOpt.isPresent());
+        Assert.assertEquals(foundCustomerOpt.get().getTitle(), savedCustomer.getTitle());
+
+        customerService.deleteCustomer(tenantId, savedCustomer.getId());
+    }
+
 }

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

@@ -15,10 +15,10 @@
  */
 package org.thingsboard.server.dao.service;
 
+import org.assertj.core.api.Assertions;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
-import org.junit.jupiter.api.Assertions;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.thingsboard.common.util.JacksonUtil;
 import org.thingsboard.server.common.data.Customer;
@@ -72,7 +72,7 @@ public class UserServiceTest extends AbstractServiceTest {
         customerUser.setEmail("customer@thingsboard.org");
         customerUser = userService.saveUser(tenantId, customerUser);
 
-        userSettings = createUserSettings(customerUser.getId());
+        UserSettings userSettings = createUserSettings(customerUser.getId());
     }
 
     @Test
@@ -90,6 +90,21 @@ public class UserServiceTest extends AbstractServiceTest {
         Assert.assertNull(user);
     }
 
+    @Test
+    public void testFindUserByTenantIdAndEmail() {
+        User user = userService.findUserByTenantIdAndEmail(SYSTEM_TENANT_ID, "sysadmin@thingsboard.org");
+        Assert.assertNotNull(user);
+        Assert.assertEquals(Authority.SYS_ADMIN, user.getAuthority());
+        user = userService.findUserByTenantIdAndEmail(tenantId, "tenant@thingsboard.org");
+        Assert.assertNotNull(user);
+        Assert.assertEquals(Authority.TENANT_ADMIN, user.getAuthority());
+        user = userService.findUserByTenantIdAndEmail(tenantId, "customer@thingsboard.org");
+        Assert.assertNotNull(user);
+        Assert.assertEquals(Authority.CUSTOMER_USER, user.getAuthority());
+        user = userService.findUserByTenantIdAndEmail(tenantId, "fake@thingsboard.org");
+        Assert.assertNull(user);
+    }
+
     @Test
     public void testFindUserById() {
         User user = userService.findUserByEmail(SYSTEM_TENANT_ID, "sysadmin@thingsboard.org");
@@ -142,36 +157,36 @@ public class UserServiceTest extends AbstractServiceTest {
     public void testSaveUserWithSameEmail() {
         User tenantAdminUser = userService.findUserByEmail(tenantId, "tenant@thingsboard.org");
         tenantAdminUser.setEmail("sysadmin@thingsboard.org");
-        Assertions.assertThrows(DataValidationException.class, () -> {
-            userService.saveUser(tenantId, tenantAdminUser);
-        });
+        Assertions.assertThatThrownBy(() -> userService.saveUser(tenantId, tenantAdminUser))
+                .isInstanceOf(DataValidationException.class)
+                .hasMessage("User with email 'sysadmin@thingsboard.org' already present in database!");
     }
 
     @Test
     public void testSaveUserWithInvalidEmail() {
         User tenantAdminUser = userService.findUserByEmail(tenantId, "tenant@thingsboard.org");
         tenantAdminUser.setEmail("tenant_thingsboard.org");
-        Assertions.assertThrows(DataValidationException.class, () -> {
-            userService.saveUser(tenantId, tenantAdminUser);
-        });
+        Assertions.assertThatThrownBy(() -> userService.saveUser(tenantId, tenantAdminUser))
+                .isInstanceOf(DataValidationException.class)
+                .hasMessage("Invalid email address format 'tenant_thingsboard.org'!");
     }
 
     @Test
     public void testSaveUserWithEmptyEmail() {
         User tenantAdminUser = userService.findUserByEmail(tenantId, "tenant@thingsboard.org");
         tenantAdminUser.setEmail(null);
-        Assertions.assertThrows(DataValidationException.class, () -> {
-            userService.saveUser(tenantId, tenantAdminUser);
-        });
+        Assertions.assertThatThrownBy(() -> userService.saveUser(tenantId, tenantAdminUser))
+                .isInstanceOf(DataValidationException.class)
+                .hasMessage("User email should be specified!");
     }
 
     @Test
     public void testSaveUserWithoutTenant() {
         User tenantAdminUser = userService.findUserByEmail(tenantId, "tenant@thingsboard.org");
         tenantAdminUser.setTenantId(null);
-        Assertions.assertThrows(DataValidationException.class, () -> {
-            userService.saveUser(tenantId, tenantAdminUser);
-        });
+        Assertions.assertThatThrownBy(() -> userService.saveUser(tenantId, tenantAdminUser))
+                .isInstanceOf(DataValidationException.class)
+                .hasMessage("Tenant administrator should be assigned to tenant!");
     }
 
     @Test

dao/src/test/java/org/thingsboard/server/dao/sql/customer/JpaCustomerDaoTest.java

@@ -19,12 +19,14 @@ import com.datastax.oss.driver.api.core.uuid.Uuids;
 import org.junit.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.thingsboard.server.common.data.Customer;
+import org.thingsboard.server.common.data.StringUtils;
 import org.thingsboard.server.common.data.id.CustomerId;
 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.AbstractJpaDaoTest;
 import org.thingsboard.server.dao.customer.CustomerDao;
+import org.thingsboard.server.dao.customer.CustomerServiceImpl;
 
 import java.util.Optional;
 import java.util.UUID;
@@ -67,11 +69,27 @@ public class JpaCustomerDaoTest extends AbstractJpaDaoTest {
             createCustomer(tenantId, i);
         }
 
-        Optional<Customer> customerOpt = customerDao.findCustomersByTenantIdAndTitle(tenantId, "CUSTOMER_5");
+        Optional<Customer> customerOpt = customerDao.findCustomerByTenantIdAndTitle(tenantId, "CUSTOMER_5");
         assertTrue(customerOpt.isPresent());
         assertEquals("CUSTOMER_5", customerOpt.get().getTitle());
     }
 
+    @Test
+    public void testFindPublicCustomerByTenantId() {
+        UUID tenantId = Uuids.timeBased();
+
+        Optional<Customer> customerOpt = customerDao.findPublicCustomerByTenantId(tenantId);
+        assertTrue(customerOpt.isEmpty());
+
+        String publicCustomerTitle = StringUtils.randomAlphanumeric(10);
+        createPublicCustomer(tenantId, publicCustomerTitle);
+        customerOpt = customerDao.findPublicCustomerByTenantId(tenantId);
+        assertTrue(customerOpt.isPresent());
+        Customer customer = customerOpt.get();
+        assertTrue(customer.isPublic());
+        assertEquals(publicCustomerTitle, customer.getTitle());
+    }
+
     private void createCustomer(UUID tenantId, int index) {
         Customer customer = new Customer();
         customer.setId(new CustomerId(Uuids.timeBased()));
@@ -79,4 +97,13 @@ public class JpaCustomerDaoTest extends AbstractJpaDaoTest {
         customer.setTitle("CUSTOMER_" + index);
         customerDao.save(TenantId.fromUUID(tenantId), customer);
     }
+
+    private void createPublicCustomer(UUID tenantId, String publicCustomerTitle) {
+        Customer customer = new Customer();
+        customer.setId(new CustomerId(Uuids.timeBased()));
+        customer.setTenantId(TenantId.fromUUID(tenantId));
+        customer.setTitle(publicCustomerTitle);
+        customer.setAdditionalInfo(CustomerServiceImpl.PUBLIC_CUSTOMER_ADDITIONAL_INFO_JSON);
+        customerDao.save(TenantId.fromUUID(tenantId), customer);
+    }
 }

dao/src/test/resources/application-test.properties

@@ -26,6 +26,12 @@ cache.specs.sessions.maxSize=100000
 cache.specs.assets.timeToLiveInMinutes=1440
 cache.specs.assets.maxSize=100000
 
+cache.specs.customers.timeToLiveInMinutes=1440
+cache.specs.customers.maxSize=10000
+
+cache.specs.users.timeToLiveInMinutes=1440
+cache.specs.users.maxSize=10000
+
 cache.specs.entityViews.timeToLiveInMinutes=1440
 cache.specs.entityViews.maxSize=100000
 

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/action/TbAbstractCustomerActionNode.java

@@ -15,45 +15,52 @@
  */
 package org.thingsboard.rule.engine.action;
 
-import com.google.common.cache.CacheBuilder;
-import com.google.common.cache.CacheLoader;
-import com.google.common.cache.LoadingCache;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
-import lombok.AllArgsConstructor;
-import lombok.Data;
+import com.google.common.util.concurrent.MoreExecutors;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.util.ConcurrentReferenceHashMap;
 import org.thingsboard.rule.engine.api.TbContext;
 import org.thingsboard.rule.engine.api.TbNode;
 import org.thingsboard.rule.engine.api.TbNodeConfiguration;
 import org.thingsboard.rule.engine.api.TbNodeException;
 import org.thingsboard.rule.engine.api.util.TbNodeUtils;
 import org.thingsboard.server.common.data.Customer;
+import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.id.CustomerId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.util.TbPair;
 import org.thingsboard.server.common.msg.TbMsg;
-import org.thingsboard.server.dao.customer.CustomerService;
 
+import java.util.EnumSet;
+import java.util.NoSuchElementException;
 import java.util.Optional;
-import java.util.concurrent.TimeUnit;
+import java.util.Set;
+import java.util.concurrent.ConcurrentMap;
+import java.util.stream.Collectors;
 
 import static org.thingsboard.common.util.DonAsynchron.withCallback;
 
 @Slf4j
 public abstract class TbAbstractCustomerActionNode<C extends TbAbstractCustomerActionNodeConfiguration> implements TbNode {
 
-    protected C config;
+    private ConcurrentMap<CustomerCreationLockKey, Object> customerCreationLocks;
+
+    private static final Set<EntityType> supportedEntityTypes = EnumSet.of(EntityType.ASSET, EntityType.DEVICE,
+            EntityType.ENTITY_VIEW, EntityType.DASHBOARD, EntityType.EDGE);
 
-    private LoadingCache<CustomerKey, Optional<CustomerId>> customerIdCache;
+    private static final String supportedEntityTypesStr = supportedEntityTypes.stream().map(Enum::name).collect(Collectors.joining(", "));
+
+    protected C config;
 
     @Override
     public void init(TbContext ctx, TbNodeConfiguration configuration) throws TbNodeException {
         this.config = loadCustomerNodeActionConfig(configuration);
-        CacheBuilder<Object, Object> cacheBuilder = CacheBuilder.newBuilder();
-        if (this.config.getCustomerCacheExpiration() > 0) {
-            cacheBuilder.expireAfterWrite(this.config.getCustomerCacheExpiration(), TimeUnit.SECONDS);
+        if (createCustomerIfNotExists()) {
+            customerCreationLocks = new ConcurrentReferenceHashMap<>();
         }
-        customerIdCache = cacheBuilder
-                .build(new CustomerCacheLoader(ctx, createCustomerIfNotExists()));
     }
 
     protected abstract boolean createCustomerIfNotExists();
@@ -62,77 +69,76 @@ public abstract class TbAbstractCustomerActionNode<C extends TbAbstractCustomerA
 
     @Override
     public void onMsg(TbContext ctx, TbMsg msg) {
+        var entityType = msg.getOriginator().getEntityType();
+        if (!supportedEntityTypes.contains(entityType)) {
+            throw new RuntimeException(unsupportedOriginatorTypeErrorMessage(entityType));
+        }
         withCallback(processCustomerAction(ctx, msg),
                 m -> ctx.tellSuccess(msg),
-                t -> ctx.tellFailure(msg, t), ctx.getDbCallbackExecutor());
+                t -> ctx.tellFailure(msg, t), MoreExecutors.directExecutor());
     }
 
-    private ListenableFuture<Void> processCustomerAction(TbContext ctx, TbMsg msg) {
-        ListenableFuture<CustomerId> customerIdFeature = getCustomer(ctx, msg);
-        return Futures.transform(customerIdFeature, customerId -> {
-                    doProcessCustomerAction(ctx, msg, customerId);
-                    return null;
-                }, ctx.getDbCallbackExecutor()
-        );
-    }
-
-    protected abstract void doProcessCustomerAction(TbContext ctx, TbMsg msg, CustomerId customerId);
-
-    protected ListenableFuture<CustomerId> getCustomer(TbContext ctx, TbMsg msg) {
-        String customerTitle = TbNodeUtils.processPattern(this.config.getCustomerNamePattern(), msg);
-        CustomerKey key = new CustomerKey(customerTitle);
-        return ctx.getDbCallbackExecutor().executeAsync(() -> {
-            Optional<CustomerId> customerId = customerIdCache.get(key);
-            if (!customerId.isPresent()) {
-                throw new RuntimeException("No customer found with name '" + key.getCustomerTitle() + "'.");
+    protected abstract ListenableFuture<Void> processCustomerAction(TbContext ctx, TbMsg msg);
+
+    protected ListenableFuture<CustomerId> getCustomerIdFuture(TbContext ctx, TbMsg msg) {
+        var tenantId = ctx.getTenantId();
+        var customerTitle = TbNodeUtils.processPattern(this.config.getCustomerNamePattern(), msg);
+        ListenableFuture<Optional<Customer>> customerByTitleFuture = findCustomerByTitleAsync(ctx, customerTitle);
+        if (createCustomerIfNotExists()) {
+            return Futures.transform(customerByTitleFuture, customerOpt -> {
+                if (customerOpt.isPresent()) {
+                    return customerOpt.get().getId();
+                }
+                var customerCreationLockKey = new CustomerCreationLockKey(tenantId, customerTitle);
+                synchronized (customerCreationLocks.computeIfAbsent(customerCreationLockKey, k -> new Object())) {
+                    customerOpt = ctx.getCustomerService().findCustomerByTenantIdAndTitle(tenantId, customerTitle);
+                    if (customerOpt.isPresent()) {
+                        return customerOpt.get().getId();
+                    }
+                    var newCustomer = new Customer();
+                    newCustomer.setTitle(customerTitle);
+                    newCustomer.setTenantId(tenantId);
+                    var savedCustomer = ctx.getCustomerService().saveCustomer(newCustomer);
+                    ctx.enqueue(ctx.customerCreatedMsg(savedCustomer, ctx.getSelfId()),
+                            () -> log.trace("Pushed Customer Created message: {}", savedCustomer),
+                            throwable -> log.warn("Failed to push Customer Created message: {}", savedCustomer, throwable));
+                    return savedCustomer.getId();
+                }
+            }, MoreExecutors.directExecutor());
+        }
+        return Futures.transform(customerByTitleFuture, customerOpt -> {
+            if (customerOpt.isEmpty()) {
+                throw new NoSuchElementException("Customer with title '" + customerTitle + "' doesn't exist!");
             }
-            return customerId.get();
-        });
+            return customerOpt.get().getId();
+        }, MoreExecutors.directExecutor());
     }
 
-    @Override
-    public void destroy() {
-        if (customerIdCache != null) {
-            customerIdCache.invalidateAll();
-        }
+    ListenableFuture<Optional<Customer>> findCustomerByTitleAsync(TbContext ctx, String customerTitle) {
+        return ctx.getDbCallbackExecutor().executeAsync(() ->
+                ctx.getCustomerService().findCustomerByTenantIdAndTitle(ctx.getTenantId(), customerTitle));
     }
 
-    @Data
-    @AllArgsConstructor
-    private static class CustomerKey {
-        private String customerTitle;
+    private static String unsupportedOriginatorTypeErrorMessage(EntityType originatorType) {
+        return "Unsupported originator type '" + originatorType +
+                "'! Only " + supportedEntityTypesStr + " types are allowed.";
     }
 
-    private static class CustomerCacheLoader extends CacheLoader<CustomerKey, Optional<CustomerId>> {
-
-        private final TbContext ctx;
-        private final boolean createIfNotExists;
-
-        private CustomerCacheLoader(TbContext ctx, boolean createIfNotExists) {
-            this.ctx = ctx;
-            this.createIfNotExists = createIfNotExists;
-        }
-
-        @Override
-        public Optional<CustomerId> load(CustomerKey key) {
-            CustomerService service = ctx.getCustomerService();
-            Optional<Customer> customerOptional =
-                    service.findCustomerByTenantIdAndTitle(ctx.getTenantId(), key.getCustomerTitle());
-            if (customerOptional.isPresent()) {
-                return Optional.of(customerOptional.get().getId());
-            } else if (createIfNotExists) {
-                Customer newCustomer = new Customer();
-                newCustomer.setTitle(key.getCustomerTitle());
-                newCustomer.setTenantId(ctx.getTenantId());
-                Customer savedCustomer = service.saveCustomer(newCustomer);
-                ctx.enqueue(ctx.customerCreatedMsg(savedCustomer, ctx.getSelfId()),
-                        () -> log.trace("Pushed Customer Created message: {}", savedCustomer),
-                        throwable -> log.warn("Failed to push Customer Created message: {}", savedCustomer, throwable));
-                return Optional.of(savedCustomer.getId());
+    @Override
+    public TbPair<Boolean, JsonNode> upgrade(int fromVersion, JsonNode oldConfiguration) {
+        boolean hasChanges = false;
+        switch (fromVersion) {
+            case 0 -> {
+                if (oldConfiguration.has("customerCacheExpiration")) {
+                    ((ObjectNode) oldConfiguration).remove("customerCacheExpiration");
+                    hasChanges = true;
+                }
             }
-            return Optional.empty();
         }
+        return new TbPair<>(hasChanges, oldConfiguration);
+    }
 
+    private record CustomerCreationLockKey(TenantId tenantId, String customerTitle) {
     }
 
 }

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/action/TbAbstractCustomerActionNodeConfiguration.java

@@ -21,6 +21,5 @@ import lombok.Data;
 public abstract class TbAbstractCustomerActionNodeConfiguration {
 
     private String customerNamePattern;
-    private long customerCacheExpiration;
 
 }

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/action/TbAbstractRelationActionNode.java

@@ -15,269 +15,299 @@
  */
 package org.thingsboard.rule.engine.action;
 
-import com.google.common.cache.CacheBuilder;
-import com.google.common.cache.CacheLoader;
-import com.google.common.cache.LoadingCache;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
-import lombok.AllArgsConstructor;
-import lombok.Data;
-import lombok.NoArgsConstructor;
+import com.google.common.util.concurrent.MoreExecutors;
 import lombok.extern.slf4j.Slf4j;
+import org.springframework.util.ConcurrentReferenceHashMap;
 import org.thingsboard.rule.engine.api.TbContext;
 import org.thingsboard.rule.engine.api.TbNode;
 import org.thingsboard.rule.engine.api.TbNodeConfiguration;
 import org.thingsboard.rule.engine.api.TbNodeException;
 import org.thingsboard.rule.engine.api.util.TbNodeUtils;
-import org.thingsboard.rule.engine.util.EntityContainer;
 import org.thingsboard.server.common.data.Customer;
-import org.thingsboard.server.common.data.DashboardInfo;
 import org.thingsboard.server.common.data.Device;
 import org.thingsboard.server.common.data.EntityType;
-import org.thingsboard.server.common.data.EntityView;
-import org.thingsboard.server.common.data.User;
 import org.thingsboard.server.common.data.asset.Asset;
-import org.thingsboard.server.common.data.edge.Edge;
 import org.thingsboard.server.common.data.id.EntityId;
-import org.thingsboard.server.common.data.id.EntityIdFactory;
-import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.relation.EntitySearchDirection;
 import org.thingsboard.server.common.data.relation.RelationTypeGroup;
+import org.thingsboard.server.common.data.util.TbPair;
 import org.thingsboard.server.common.msg.TbMsg;
-import org.thingsboard.server.dao.asset.AssetService;
-import org.thingsboard.server.dao.customer.CustomerService;
-import org.thingsboard.server.dao.dashboard.DashboardService;
-import org.thingsboard.server.dao.device.DeviceService;
-import org.thingsboard.server.dao.edge.EdgeService;
-import org.thingsboard.server.dao.entityview.EntityViewService;
-import org.thingsboard.server.dao.user.UserService;
 
-import java.util.List;
+import java.util.EnumSet;
+import java.util.NoSuchElementException;
 import java.util.Optional;
-import java.util.concurrent.TimeUnit;
-
-import static org.thingsboard.common.util.DonAsynchron.withCallback;
-import static org.thingsboard.server.common.data.msg.TbNodeConnectionType.FAILURE;
-import static org.thingsboard.server.common.data.msg.TbNodeConnectionType.SUCCESS;
+import java.util.Set;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.Executor;
+import java.util.stream.Collectors;
 
 @Slf4j
 public abstract class TbAbstractRelationActionNode<C extends TbAbstractRelationActionNodeConfiguration> implements TbNode {
 
-    protected C config;
+    private ConcurrentMap<EntityCreationLockKey, Object> entitiesCreationLocks;
 
-    private LoadingCache<EntityKey, EntityContainer> entityIdCache;
+    private static final Set<EntityType> supportedEntityTypes = EnumSet.of(EntityType.TENANT, EntityType.DEVICE,
+            EntityType.ASSET, EntityType.CUSTOMER, EntityType.ENTITY_VIEW, EntityType.DASHBOARD, EntityType.EDGE, EntityType.USER);
 
-    @Override
-    public void init(TbContext ctx, TbNodeConfiguration configuration) throws TbNodeException {
-        this.config = loadEntityNodeActionConfig(configuration);
-        CacheBuilder<Object, Object> cacheBuilder = CacheBuilder.newBuilder();
-        if (this.config.getEntityCacheExpiration() > 0) {
-            cacheBuilder.expireAfterWrite(this.config.getEntityCacheExpiration(), TimeUnit.SECONDS);
-        }
-        entityIdCache = cacheBuilder.build(new EntityCacheLoader(ctx, createEntityIfNotExists()));
-    }
+    private static final String supportedEntityTypesStr = supportedEntityTypes.stream().map(Enum::name).collect(Collectors.joining(" ,"));
 
-    @Override
-    public void onMsg(TbContext ctx, TbMsg msg) {
-        String relationType = processPattern(msg, config.getRelationType());
-        withCallback(processEntityRelationAction(ctx, msg, relationType),
-                filterResult -> ctx.tellNext(filterResult.getMsg(), filterResult.isResult() ? SUCCESS : FAILURE), t -> ctx.tellFailure(msg, t), ctx.getDbCallbackExecutor());
-    }
+    protected C config;
 
     @Override
-    public void destroy() {
-        if (entityIdCache != null) {
-            entityIdCache.invalidateAll();
+    public void init(TbContext ctx, TbNodeConfiguration configuration) throws TbNodeException {
+        this.config = loadEntityNodeActionConfig(configuration);
+        if (createEntityIfNotExists()) {
+            entitiesCreationLocks = new ConcurrentReferenceHashMap<>();
         }
     }
 
-    protected ListenableFuture<RelationContainer> processEntityRelationAction(TbContext ctx, TbMsg msg, String relationType) {
-        return Futures.transformAsync(getEntity(ctx, msg), entityContainer -> doProcessEntityRelationAction(ctx, msg, entityContainer, relationType), ctx.getDbCallbackExecutor());
-    }
-
     protected abstract boolean createEntityIfNotExists();
 
-    protected abstract ListenableFuture<RelationContainer> doProcessEntityRelationAction(TbContext ctx, TbMsg msg, EntityContainer entityContainer, String relationType);
-
     protected abstract C loadEntityNodeActionConfig(TbNodeConfiguration configuration) throws TbNodeException;
 
-    protected ListenableFuture<EntityContainer> getEntity(TbContext ctx, TbMsg msg) {
-        String entityName = processPattern(msg, this.config.getEntityNamePattern());
-        String type;
-        if (this.config.getEntityTypePattern() != null) {
-            type = processPattern(msg, this.config.getEntityTypePattern());
-        } else {
-            type = null;
-        }
-        EntityType entityType = EntityType.valueOf(this.config.getEntityType());
-        EntityKey key = new EntityKey(entityName, type, entityType);
-        return ctx.getDbCallbackExecutor().executeAsync(() -> {
-            EntityContainer entityContainer = entityIdCache.get(key);
-            if (entityContainer.getEntityId() == null) {
-                throw new RuntimeException("No entity found with type '" + key.getEntityType() + "' and name '" + key.getEntityName() + "'.");
-            }
-            return entityContainer;
-        });
+    protected String processPattern(TbMsg msg, String pattern) {
+        return TbNodeUtils.processPattern(pattern, msg);
     }
 
-    protected SearchDirectionIds processSingleSearchDirection(TbMsg msg, EntityContainer entityContainer) {
-        SearchDirectionIds searchDirectionIds = new SearchDirectionIds();
-        if (EntitySearchDirection.FROM.name().equals(this.config.getDirection())) {
-            searchDirectionIds.setFromId(EntityIdFactory.getByTypeAndId(entityContainer.getEntityType().name(), entityContainer.getEntityId().toString()));
-            searchDirectionIds.setToId(msg.getOriginator());
-            searchDirectionIds.setOriginatorDirectionFrom(false);
-        } else {
-            searchDirectionIds.setToId(EntityIdFactory.getByTypeAndId(entityContainer.getEntityType().name(), entityContainer.getEntityId().toString()));
-            searchDirectionIds.setFromId(msg.getOriginator());
-            searchDirectionIds.setOriginatorDirectionFrom(true);
+    protected ListenableFuture<EntityId> getTargetEntityId(TbContext ctx, TbMsg msg) {
+        var entityType = config.getEntityType();
+        var tenantId = ctx.getTenantId();
+        if (EntityType.TENANT.equals(entityType)) {
+            return ctx.getDbCallbackExecutor().executeAsync(() -> tenantId);
         }
-        return searchDirectionIds;
-    }
-
-    protected ListenableFuture<List<EntityRelation>> processListSearchDirection(TbContext ctx, TbMsg msg) {
-        if (EntitySearchDirection.FROM.name().equals(this.config.getDirection())) {
-            return ctx.getRelationService().findByToAndTypeAsync(ctx.getTenantId(), msg.getOriginator(), processPattern(msg, this.config.getRelationType()), RelationTypeGroup.COMMON);
-        } else {
-            return ctx.getRelationService().findByFromAndTypeAsync(ctx.getTenantId(), msg.getOriginator(), processPattern(msg, this.config.getRelationType()), RelationTypeGroup.COMMON);
+        var targetEntityName = processPattern(msg, config.getEntityNamePattern());
+        boolean createEntityIfNotExists = createEntityIfNotExists();
+        switch (entityType) {
+            case DEVICE -> {
+                ListenableFuture<Device> deviceByNameFuture = findDeviceByNameAsync(ctx, targetEntityName);
+                if (createEntityIfNotExists) {
+                    return Futures.transform(deviceByNameFuture, device -> {
+                        if (device != null) {
+                            return device.getId();
+                        }
+                        var entityCreationLockKey = new EntityCreationLockKey(tenantId, entityType, targetEntityName);
+                        synchronized (entitiesCreationLocks.computeIfAbsent(entityCreationLockKey, k -> new Object())) {
+                            device = ctx.getDeviceService().findDeviceByTenantIdAndName(tenantId, targetEntityName);
+                            if (device != null) {
+                                return device.getId();
+                            }
+                            var deviceProfileName = processPattern(msg, config.getEntityTypePattern());
+                            var newDevice = new Device();
+                            newDevice.setName(targetEntityName);
+                            newDevice.setType(deviceProfileName);
+                            newDevice.setTenantId(tenantId);
+                            var savedDevice = ctx.getDeviceService().saveDevice(newDevice);
+                            ctx.getClusterService().onDeviceUpdated(savedDevice, null);
+                            ctx.enqueue(ctx.deviceCreatedMsg(savedDevice, ctx.getSelfId()),
+                                    () -> log.trace("Pushed Device Created message: {}", savedDevice),
+                                    throwable -> log.warn("Failed to push Device Created message: {}", savedDevice, throwable));
+                            return savedDevice.getId();
+                        }
+                    }, MoreExecutors.directExecutor());
+                }
+                return Futures.transform(deviceByNameFuture, device -> {
+                    if (device == null) {
+                        throw new NoSuchElementException("Device with name '" + targetEntityName + "' doesn't exist!");
+                    }
+                    return device.getId();
+                }, MoreExecutors.directExecutor());
+            }
+            case ASSET -> {
+                ListenableFuture<Asset> assetByNameFuture = findAssetByNameAsync(ctx, targetEntityName);
+                if (createEntityIfNotExists) {
+                    return Futures.transform(assetByNameFuture, asset -> {
+                        if (asset != null) {
+                            return asset.getId();
+                        }
+                        var entityCreationLockKey = new EntityCreationLockKey(tenantId, entityType, targetEntityName);
+                        synchronized (entitiesCreationLocks.computeIfAbsent(entityCreationLockKey, k -> new Object())) {
+                            asset = ctx.getAssetService().findAssetByTenantIdAndName(tenantId, targetEntityName);
+                            if (asset != null) {
+                                return asset.getId();
+                            }
+                            var assetProfileName = processPattern(msg, config.getEntityTypePattern());
+                            var newAsset = new Asset();
+                            newAsset.setName(targetEntityName);
+                            newAsset.setType(assetProfileName);
+                            newAsset.setTenantId(tenantId);
+                            var savedAsset = ctx.getAssetService().saveAsset(newAsset);
+                            ctx.enqueue(ctx.assetCreatedMsg(savedAsset, ctx.getSelfId()),
+                                    () -> log.trace("Pushed Asset Created message: {}", savedAsset),
+                                    throwable -> log.warn("Failed to push Asset Created message: {}", savedAsset, throwable));
+                            return savedAsset.getId();
+                        }
+                    }, MoreExecutors.directExecutor());
+                }
+                return Futures.transform(assetByNameFuture, asset -> {
+                    if (asset == null) {
+                        throw new NoSuchElementException("Asset with name '" + targetEntityName + "' doesn't exist!");
+                    }
+                    return asset.getId();
+                }, MoreExecutors.directExecutor());
+            }
+            case CUSTOMER -> {
+                ListenableFuture<Optional<Customer>> customerByTitleFuture = findCustomerByTitleAsync(ctx, targetEntityName);
+                if (createEntityIfNotExists) {
+                    return Futures.transform(customerByTitleFuture, customerOpt -> {
+                        if (customerOpt.isPresent()) {
+                            return customerOpt.get().getId();
+                        }
+                        var entityCreationLockKey = new EntityCreationLockKey(tenantId, entityType, targetEntityName);
+                        synchronized (entitiesCreationLocks.computeIfAbsent(entityCreationLockKey, k -> new Object())) {
+                            customerOpt = ctx.getCustomerService().findCustomerByTenantIdAndTitle(tenantId, targetEntityName);
+                            if (customerOpt.isPresent()) {
+                                return customerOpt.get().getId();
+                            }
+                            var newCustomer = new Customer();
+                            newCustomer.setTitle(targetEntityName);
+                            newCustomer.setTenantId(tenantId);
+                            var savedCustomer = ctx.getCustomerService().saveCustomer(newCustomer);
+                            ctx.enqueue(ctx.customerCreatedMsg(savedCustomer, ctx.getSelfId()),
+                                    () -> log.trace("Pushed Customer Created message: {}", savedCustomer),
+                                    throwable -> log.warn("Failed to push Customer Created message: {}", savedCustomer, throwable));
+                            return savedCustomer.getId();
+                        }
+                    }, MoreExecutors.directExecutor());
+                }
+                return Futures.transform(customerByTitleFuture, customerOpt -> {
+                    if (customerOpt.isEmpty()) {
+                        throw new NoSuchElementException("Customer with title '" + targetEntityName + "' doesn't exist!");
+                    }
+                    return customerOpt.get().getId();
+                }, MoreExecutors.directExecutor());
+            }
+            case ENTITY_VIEW -> {
+                return ctx.getDbCallbackExecutor().executeAsync(() -> {
+                    var entityViewService = ctx.getEntityViewService();
+                    var entityView = entityViewService.findEntityViewByTenantIdAndName(tenantId, targetEntityName);
+                    if (entityView != null) {
+                        return entityView.getId();
+                    }
+                    throw new NoSuchElementException("EntityView with name '" + targetEntityName + "' doesn't exist!");
+                });
+            }
+            case EDGE -> {
+                return ctx.getDbCallbackExecutor().executeAsync(() -> {
+                    var edgeService = ctx.getEdgeService();
+                    var edge = edgeService.findEdgeByTenantIdAndName(tenantId, targetEntityName);
+                    if (edge != null) {
+                        return edge.getId();
+                    }
+                    throw new NoSuchElementException("Edge with name '" + targetEntityName + "' doesn't exist!");
+                });
+            }
+            case DASHBOARD -> {
+                return ctx.getDbCallbackExecutor().executeAsync(() -> {
+                    var dashboardService = ctx.getDashboardService();
+                    var dashboardInfo = dashboardService.findFirstDashboardInfoByTenantIdAndName(tenantId, targetEntityName);
+                    if (dashboardInfo != null) {
+                        return dashboardInfo.getId();
+                    }
+                    throw new NoSuchElementException("Dashboard with title '" + targetEntityName + "' doesn't exist!");
+                });
+            }
+            case USER -> {
+                return ctx.getDbCallbackExecutor().executeAsync(() -> {
+                    var userService = ctx.getUserService();
+                    var user = userService.findUserByTenantIdAndEmail(tenantId, targetEntityName);
+                    if (user != null) {
+                        return user.getId();
+                    }
+                    throw new NoSuchElementException("User with email '" + targetEntityName + "' doesn't exist!");
+                });
+            }
+            default -> throw new IllegalArgumentException(unsupportedEntityTypeErrorMessage(entityType));
         }
     }
 
-    protected String processPattern(TbMsg msg, String pattern) {
-        return TbNodeUtils.processPattern(pattern, msg);
+    ListenableFuture<Device> findDeviceByNameAsync(TbContext ctx, String deviceName) {
+        return ctx.getDbCallbackExecutor().executeAsync(() ->
+                ctx.getDeviceService().findDeviceByTenantIdAndName(ctx.getTenantId(), deviceName));
     }
 
-    @Data
-    @AllArgsConstructor
-    private static class EntityKey {
-        private String entityName;
-        private String type;
-        private EntityType entityType;
+    ListenableFuture<Asset> findAssetByNameAsync(TbContext ctx, String assetName) {
+        return ctx.getDbCallbackExecutor().executeAsync(() ->
+                ctx.getAssetService().findAssetByTenantIdAndName(ctx.getTenantId(), assetName));
     }
 
-    @Data
-    protected static class SearchDirectionIds {
-        private EntityId fromId;
-        private EntityId toId;
-        private boolean originatorDirectionFrom;
+    ListenableFuture<Optional<Customer>> findCustomerByTitleAsync(TbContext ctx, String customerTitle) {
+        return ctx.getDbCallbackExecutor().executeAsync(() ->
+                ctx.getCustomerService().findCustomerByTenantIdAndTitle(ctx.getTenantId(), customerTitle));
     }
 
-    private static class EntityCacheLoader extends CacheLoader<EntityKey, EntityContainer> {
+    protected ListenableFuture<Boolean> deleteRelationsByTypeAndDirection(TbContext ctx, TbMsg msg, Executor executor) {
+        var relationType = processPattern(msg, config.getRelationType());
+        return deleteRelationsByTypeAndDirection(ctx, msg, relationType, executor);
+    }
 
-        private final TbContext ctx;
-        private final boolean createIfNotExists;
+    protected ListenableFuture<Boolean> deleteRelationsByTypeAndDirection(TbContext ctx, TbMsg msg, String relationType, Executor executor) {
+        var tenantId = ctx.getTenantId();
+        var originator = msg.getOriginator();
+        var relationService = ctx.getRelationService();
+        var originatorRelationsFuture = EntitySearchDirection.FROM.equals(config.getDirection()) ?
+                relationService.findByFromAndTypeAsync(tenantId, originator, relationType, RelationTypeGroup.COMMON) :
+                relationService.findByToAndTypeAsync(tenantId, originator, relationType, RelationTypeGroup.COMMON);
+        return Futures.transformAsync(originatorRelationsFuture, originatorRelations -> {
+            if (originatorRelations.isEmpty()) {
+                return Futures.immediateFuture(true);
+            }
+            var deleteRelationFutures = originatorRelations.stream()
+                    .map(entityRelation -> relationService.deleteRelationAsync(tenantId, entityRelation))
+                    .collect(Collectors.toList());
+            return Futures.transform(Futures.allAsList(deleteRelationFutures), deleteResults ->
+                    deleteResults.stream().allMatch(Boolean::booleanValue), executor);
+        }, executor);
+    }
 
-        private EntityCacheLoader(TbContext ctx, boolean createIfNotExists) {
-            this.ctx = ctx;
-            this.createIfNotExists = createIfNotExists;
+    protected void checkIfConfigEntityTypeIsSupported(EntityType entityType) throws TbNodeException {
+        if (!supportedEntityTypes.contains(entityType)) {
+            throw new TbNodeException(unsupportedEntityTypeErrorMessage(entityType), true);
         }
+    }
 
-        @Override
-        public EntityContainer load(EntityKey key) {
-            return loadEntity(key);
-        }
+    private static String unsupportedEntityTypeErrorMessage(EntityType entityType) {
+        return "Unsupported entity type '" + entityType +
+                "'! Only " + supportedEntityTypesStr + " types are allowed.";
+    }
 
-        private EntityContainer loadEntity(EntityKey entitykey) {
-            EntityType type = entitykey.getEntityType();
-            EntityContainer targetEntity = new EntityContainer();
-            targetEntity.setEntityType(type);
-            switch (type) {
-                case DEVICE:
-                    DeviceService deviceService = ctx.getDeviceService();
-                    Device device = deviceService.findDeviceByTenantIdAndName(ctx.getTenantId(), entitykey.getEntityName());
-                    if (device != null) {
-                        targetEntity.setEntityId(device.getId());
-                    } else if (createIfNotExists) {
-                        Device newDevice = new Device();
-                        newDevice.setName(entitykey.getEntityName());
-                        newDevice.setType(entitykey.getType());
-                        newDevice.setTenantId(ctx.getTenantId());
-                        Device savedDevice = deviceService.saveDevice(newDevice);
-                        ctx.enqueue(ctx.deviceCreatedMsg(savedDevice, ctx.getSelfId()),
-                                () -> log.trace("Pushed Device Created message: {}", savedDevice),
-                                throwable -> log.warn("Failed to push Device Created message: {}", savedDevice, throwable));
-                        targetEntity.setEntityId(savedDevice.getId());
-                    }
-                    break;
-                case ASSET:
-                    AssetService assetService = ctx.getAssetService();
-                    Asset asset = assetService.findAssetByTenantIdAndName(ctx.getTenantId(), entitykey.getEntityName());
-                    if (asset != null) {
-                        targetEntity.setEntityId(asset.getId());
-                    } else if (createIfNotExists) {
-                        Asset newAsset = new Asset();
-                        newAsset.setName(entitykey.getEntityName());
-                        newAsset.setType(entitykey.getType());
-                        newAsset.setTenantId(ctx.getTenantId());
-                        Asset savedAsset = assetService.saveAsset(newAsset);
-                        ctx.enqueue(ctx.assetCreatedMsg(savedAsset, ctx.getSelfId()),
-                                () -> log.trace("Pushed Asset Created message: {}", savedAsset),
-                                throwable -> log.warn("Failed to push Asset Created message: {}", savedAsset, throwable));
-                        targetEntity.setEntityId(savedAsset.getId());
-                    }
-                    break;
-                case CUSTOMER:
-                    CustomerService customerService = ctx.getCustomerService();
-                    Optional<Customer> customerOptional = customerService.findCustomerByTenantIdAndTitle(ctx.getTenantId(), entitykey.getEntityName());
-                    if (customerOptional.isPresent()) {
-                        targetEntity.setEntityId(customerOptional.get().getId());
-                    } else if (createIfNotExists) {
-                        Customer newCustomer = new Customer();
-                        newCustomer.setTitle(entitykey.getEntityName());
-                        newCustomer.setTenantId(ctx.getTenantId());
-                        Customer savedCustomer = customerService.saveCustomer(newCustomer);
-                        ctx.enqueue(ctx.customerCreatedMsg(savedCustomer, ctx.getSelfId()),
-                                () -> log.trace("Pushed Customer Created message: {}", savedCustomer),
-                                throwable -> log.warn("Failed to push Customer Created message: {}", savedCustomer, throwable));
-                        targetEntity.setEntityId(savedCustomer.getId());
-                    }
-                    break;
-                case TENANT:
-                    targetEntity.setEntityId(ctx.getTenantId());
-                    break;
-                case ENTITY_VIEW:
-                    EntityViewService entityViewService = ctx.getEntityViewService();
-                    EntityView entityView = entityViewService.findEntityViewByTenantIdAndName(ctx.getTenantId(), entitykey.getEntityName());
-                    if (entityView != null) {
-                        targetEntity.setEntityId(entityView.getId());
-                    }
-                    break;
-                case EDGE:
-                    EdgeService edgeService = ctx.getEdgeService();
-                    Edge edge = edgeService.findEdgeByTenantIdAndName(ctx.getTenantId(), entitykey.getEntityName());
-                    if (edge != null) {
-                        targetEntity.setEntityId(edge.getId());
-                    }
+    @Override
+    public TbPair<Boolean, JsonNode> upgrade(int fromVersion, JsonNode oldConfiguration) throws TbNodeException {
+        boolean hasChanges = false;
+        var config = (ObjectNode) oldConfiguration;
+        switch (fromVersion) {
+            case 0 -> {
+                if (!config.has("entityCacheExpiration")) {
                     break;
-                case DASHBOARD:
-                    DashboardService dashboardService = ctx.getDashboardService();
-                    DashboardInfo dashboardInfo = dashboardService.findFirstDashboardInfoByTenantIdAndName(ctx.getTenantId(), entitykey.getEntityName());
-                    if (dashboardInfo != null) {
-                        targetEntity.setEntityId(dashboardInfo.getId());
-                    }
+                }
+                config.remove("entityCacheExpiration");
+
+                var directionPropertyName = "direction";
+                if (!config.has(directionPropertyName)) {
+                    throw new TbNodeException("property to update: '" + directionPropertyName + "' doesn't exists in configuration!");
+                }
+                String direction = config.get(directionPropertyName).asText();
+                if (EntitySearchDirection.TO.name().equals(direction)) {
+                    config.put(directionPropertyName, EntitySearchDirection.FROM.name());
+                    hasChanges = true;
                     break;
-                case USER:
-                    UserService userService = ctx.getUserService();
-                    User user = userService.findUserByTenantIdAndEmail(ctx.getTenantId(), entitykey.getEntityName());
-                    if (user != null) {
-                        targetEntity.setEntityId(user.getId());
-                    }
+                }
+                if (EntitySearchDirection.FROM.name().equals(direction)) {
+                    config.put(directionPropertyName, EntitySearchDirection.TO.name());
+                    hasChanges = true;
                     break;
-                default:
-                    return targetEntity;
+                }
+                throw new TbNodeException("property to update: '" + directionPropertyName + "' has invalid value!");
             }
-            return targetEntity;
         }
+        return new TbPair<>(hasChanges, config);
     }
 
-    @Data
-    @NoArgsConstructor
-    @AllArgsConstructor
-    protected static class RelationContainer {
-
-        private TbMsg msg;
-        private boolean result;
-
+    private record EntityCreationLockKey(TenantId tenantId, EntityType entityType, String entityName) {
     }
 
-
 }

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/action/TbAbstractRelationActionNodeConfiguration.java

@@ -16,17 +16,17 @@
 package org.thingsboard.rule.engine.action;
 
 import lombok.Data;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.relation.EntitySearchDirection;
 
 @Data
 public abstract class TbAbstractRelationActionNodeConfiguration {
 
-    private String direction;
+    private EntitySearchDirection direction;
     private String relationType;
 
-    private String entityType;
+    private EntityType entityType;
     private String entityNamePattern;
     private String entityTypePattern;
 
-    private long entityCacheExpiration;
-
 }

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/action/TbAssignToCustomerNode.java

@@ -15,15 +15,16 @@
  */
 package org.thingsboard.rule.engine.action;
 
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
 import lombok.extern.slf4j.Slf4j;
 import org.thingsboard.rule.engine.api.RuleNode;
 import org.thingsboard.rule.engine.api.TbContext;
 import org.thingsboard.rule.engine.api.TbNodeConfiguration;
 import org.thingsboard.rule.engine.api.TbNodeException;
 import org.thingsboard.rule.engine.api.util.TbNodeUtils;
-import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.common.data.id.AssetId;
-import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.DashboardId;
 import org.thingsboard.server.common.data.id.DeviceId;
 import org.thingsboard.server.common.data.id.EdgeId;
@@ -36,12 +37,13 @@ import org.thingsboard.server.common.msg.TbMsg;
         type = ComponentType.ACTION,
         name = "assign to customer",
         configClazz = TbAssignToCustomerNodeConfiguration.class,
-        nodeDescription = "Assign Message Originator Entity to Customer",
-        nodeDetails = "Finds target Customer by customer name pattern and then assign Originator Entity to this customer. " +
-                "Will create new Customer if it doesn't exists and 'Create new Customer if not exists' is set to true.",
+        nodeDescription = "Assign message originator entity to customer",
+        nodeDetails = "Finds target customer by title and assign message originator entity to this customer. " +
+                "Rule node will create a new customer if it doesn't exist, and 'Create new customer if it doesn't exist' enabled.",
         uiResources = {"static/rulenode/rulenode-core-config.js"},
         configDirective = "tbActionNodeAssignToCustomerConfig",
-        icon = "add_circle"
+        icon = "add_circle",
+        version = 1
 )
 public class TbAssignToCustomerNode extends TbAbstractCustomerActionNode<TbAssignToCustomerNodeConfiguration> {
 
@@ -56,53 +58,25 @@ public class TbAssignToCustomerNode extends TbAbstractCustomerActionNode<TbAssig
     }
 
     @Override
-    protected void doProcessCustomerAction(TbContext ctx, TbMsg msg, CustomerId customerId) {
-        processAssign(ctx, msg, customerId);
-    }
-
-    private void processAssign(TbContext ctx, TbMsg msg, CustomerId customerId) {
-        EntityType originatorType = msg.getOriginator().getEntityType();
-        switch (originatorType) {
-            case DEVICE:
-                processAssignDevice(ctx, msg, customerId);
-                break;
-            case ASSET:
-                processAssignAsset(ctx, msg, customerId);
-                break;
-            case ENTITY_VIEW:
-                processAssignEntityView(ctx, msg, customerId);
-                break;
-            case EDGE:
-                processAssignEdge(ctx, msg, customerId);
-                break;
-            case DASHBOARD:
-                processAssignDashboard(ctx, msg, customerId);
-                break;
-            default:
-                ctx.tellFailure(msg, new RuntimeException("Unsupported originator type '" + originatorType +
-                        "'! Only 'DEVICE', 'ASSET',  'ENTITY_VIEW' or 'DASHBOARD' types are allowed."));
-                break;
-        }
-    }
-
-    private void processAssignAsset(TbContext ctx, TbMsg msg, CustomerId customerId) {
-        ctx.getAssetService().assignAssetToCustomer(ctx.getTenantId(), new AssetId(msg.getOriginator().getId()), customerId);
-    }
-
-    private void processAssignDevice(TbContext ctx, TbMsg msg, CustomerId customerId) {
-        ctx.getDeviceService().assignDeviceToCustomer(ctx.getTenantId(), new DeviceId(msg.getOriginator().getId()), customerId);
-    }
-
-    private void processAssignEntityView(TbContext ctx, TbMsg msg, CustomerId customerId) {
-        ctx.getEntityViewService().assignEntityViewToCustomer(ctx.getTenantId(), new EntityViewId(msg.getOriginator().getId()), customerId);
-    }
-
-    private void processAssignEdge(TbContext ctx, TbMsg msg, CustomerId customerId) {
-        ctx.getEdgeService().assignEdgeToCustomer(ctx.getTenantId(), new EdgeId(msg.getOriginator().getId()), customerId);
-    }
-
-    private void processAssignDashboard(TbContext ctx, TbMsg msg, CustomerId customerId) {
-        ctx.getDashboardService().assignDashboardToCustomer(ctx.getTenantId(), new DashboardId(msg.getOriginator().getId()), customerId);
+    protected ListenableFuture<Void> processCustomerAction(TbContext ctx, TbMsg msg) {
+        var customerIdFuture = getCustomerIdFuture(ctx, msg);
+        return Futures.transformAsync(customerIdFuture, customerId ->
+                ctx.getDbCallbackExecutor().submit(() -> {
+                    var originator = msg.getOriginator();
+                    switch (originator.getEntityType()) {
+                        case ASSET ->
+                                ctx.getAssetService().assignAssetToCustomer(ctx.getTenantId(), new AssetId(originator.getId()), customerId);
+                        case DEVICE ->
+                                ctx.getDeviceService().assignDeviceToCustomer(ctx.getTenantId(), new DeviceId(originator.getId()), customerId);
+                        case ENTITY_VIEW ->
+                                ctx.getEntityViewService().assignEntityViewToCustomer(ctx.getTenantId(), new EntityViewId(originator.getId()), customerId);
+                        case EDGE ->
+                                ctx.getEdgeService().assignEdgeToCustomer(ctx.getTenantId(), new EdgeId(originator.getId()), customerId);
+                        case DASHBOARD ->
+                                ctx.getDashboardService().assignDashboardToCustomer(ctx.getTenantId(), new DashboardId(originator.getId()), customerId);
+                    }
+                    return null;
+                }), MoreExecutors.directExecutor());
     }
 
 }

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/action/TbAssignToCustomerNodeConfiguration.java

@@ -16,19 +16,20 @@
 package org.thingsboard.rule.engine.action;
 
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import org.thingsboard.rule.engine.api.NodeConfiguration;
 
 @Data
+@EqualsAndHashCode(callSuper = true)
 public class TbAssignToCustomerNodeConfiguration extends TbAbstractCustomerActionNodeConfiguration implements NodeConfiguration<TbAssignToCustomerNodeConfiguration> {
 
     private boolean createCustomerIfNotExists;
 
     @Override
     public TbAssignToCustomerNodeConfiguration defaultConfiguration() {
-        TbAssignToCustomerNodeConfiguration configuration = new TbAssignToCustomerNodeConfiguration();
+        var configuration = new TbAssignToCustomerNodeConfiguration();
         configuration.setCustomerNamePattern("");
         configuration.setCreateCustomerIfNotExists(false);
-        configuration.setCustomerCacheExpiration(300);
         return configuration;
     }
 }

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/action/TbCreateRelationNode.java

@@ -17,52 +17,62 @@ package org.thingsboard.rule.engine.action;
 
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.util.CollectionUtils;
 import org.thingsboard.rule.engine.api.RuleNode;
 import org.thingsboard.rule.engine.api.TbContext;
 import org.thingsboard.rule.engine.api.TbNodeConfiguration;
 import org.thingsboard.rule.engine.api.TbNodeException;
 import org.thingsboard.rule.engine.api.util.TbNodeUtils;
-import org.thingsboard.rule.engine.util.EntityContainer;
-import org.thingsboard.server.common.data.Device;
-import org.thingsboard.server.common.data.id.AssetId;
-import org.thingsboard.server.common.data.id.CustomerId;
-import org.thingsboard.server.common.data.id.DashboardId;
-import org.thingsboard.server.common.data.id.DeviceId;
-import org.thingsboard.server.common.data.id.EdgeId;
-import org.thingsboard.server.common.data.id.EntityViewId;
-import org.thingsboard.server.common.data.id.TenantId;
-import org.thingsboard.server.common.data.id.UserId;
+import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.plugin.ComponentType;
 import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.common.data.relation.EntitySearchDirection;
 import org.thingsboard.server.common.data.relation.RelationTypeGroup;
 import org.thingsboard.server.common.msg.TbMsg;
 
-import java.util.ArrayList;
-import java.util.List;
+import static org.thingsboard.common.util.DonAsynchron.withCallback;
 
 @Slf4j
 @RuleNode(
         type = ComponentType.ACTION,
         name = "create relation",
         configClazz = TbCreateRelationNodeConfiguration.class,
-        nodeDescription = "Finds target Entity by entity name pattern and (entity type pattern for Asset, Device) and then create a relation to Originator Entity by type and direction." +
-                " If Selected entity type: Asset, Device or Customer will create new Entity if it doesn't exist and selected checkbox 'Create new entity if not exists'.<br>" +
-                " In case that relation from the message originator to the selected entity not exist and  If selected checkbox 'Remove current relations'," +
-                " before creating the new relation all existed relations to message originator by type and direction will be removed.<br>" +
-                " If relation from the message originator to the selected entity created and If selected checkbox 'Change originator to related entity'," +
-                " outbound message will be processed as a message from this entity.",
-        nodeDetails = "If the relation already exists or successfully created -  Message send via <b>Success</b> chain, otherwise <b>Failure</b> chain will be used.",
+        nodeDescription = "Finds target entity specified in the configuration and creates a relation with the " +
+                "incoming message originator based on the configured direction and type.",
+        nodeDetails = "Useful when you need to create relations between entities dynamically depending on " +
+                "incoming message payload, message originator type, name, etc.<br><br>" +
+                "Target entity configuration: " +
+                "<ul><li><strong>Device</strong> - use a device with the specified name as the target entity to create a relation with. " +
+                "When selected, rule node allows us to use advanced mode to enable device creation if it doesn't exist. " +
+                "In advanced mode, device profile name should be specified.</li>" +
+                "<li><strong>Asset</strong> - use an asset with the specified name as the target entity to create a relation with. " +
+                "When selected, rule node allows us to use advanced mode to enable device creation if it doesn't exist. " +
+                "In advanced mode, asset profile name should be specified.</li>" +
+                "<li><strong>Entity View</strong> - use entity view with the specified name as the target entity to create a relation with.</li>" +
+                "<li><strong>Tenant</strong> - use current tenant as target entity to create a relation with.</li>" +
+                "<li><strong>Customer</strong> - use customer with the specified title as the target entity to create a relation with. " +
+                "When selected, rule node allows us to use advanced mode to enable customer creation if it doesn't exist.</li>" +
+                "<li><strong>Dashboard</strong> - use a dashboard with the specified title as the target entity to create a relation with.</li>" +
+                "<li><strong>User</strong> - use a user with the specified email as the target entity to create a relation with.</li>" +
+                "<li><strong>Edge</strong> - use an edge with the specified name as the target entity to create a relation with.</li></ul>" +
+                "Advanced settings: " +
+                "<ul><li><strong>Remove current relations</strong> - removes current relations with originator of the incoming message based on direction and type. " +
+                "Useful in GPS tracking use cases where relation acts as a temporary indicator of a tracker presence in specific geofence.</li>" +
+                "<li><strong>Change originator to target entity</strong> - useful when you need to process submitted message as a message from target entity.</li></ul>" +
+                "Output connections: <code>Success</code> - if the relation already exists or successfully created, otherwise <code>Failure</code>.",
         uiResources = {"static/rulenode/rulenode-core-config.js"},
         configDirective = "tbActionNodeCreateRelationConfig",
-        icon = "add_circle"
+        icon = "add_circle",
+        version = 1
 )
 public class TbCreateRelationNode extends TbAbstractRelationActionNode<TbCreateRelationNodeConfiguration> {
 
     @Override
     protected TbCreateRelationNodeConfiguration loadEntityNodeActionConfig(TbNodeConfiguration configuration) throws TbNodeException {
-        return TbNodeUtils.convert(configuration, TbCreateRelationNodeConfiguration.class);
+        var createRelationNodeConfiguration = TbNodeUtils.convert(configuration, TbCreateRelationNodeConfiguration.class);
+        checkIfConfigEntityTypeIsSupported(createRelationNodeConfiguration.getEntityType());
+        return createRelationNodeConfiguration;
     }
 
     @Override
@@ -71,167 +81,59 @@ public class TbCreateRelationNode extends TbAbstractRelationActionNode<TbCreateR
     }
 
     @Override
-    protected ListenableFuture<RelationContainer> doProcessEntityRelationAction(TbContext ctx, TbMsg msg, EntityContainer entity, String relationType) {
-        ListenableFuture<Boolean> future = createRelationIfAbsent(ctx, msg, entity, relationType);
-        return Futures.transform(future, result -> {
-            if (result && config.isChangeOriginatorToRelatedEntity()) {
-                TbMsg tbMsg = ctx.transformMsgOriginator(msg, entity.getEntityId());
-                return new RelationContainer(tbMsg, result);
+    public void onMsg(TbContext ctx, TbMsg msg) {
+        var targetEntityIdFuture = getTargetEntityId(ctx, msg);
+        var createRelationResultFuture = Futures.transformAsync(targetEntityIdFuture, targetEntityId -> {
+            var originator = msg.getOriginator();
+            var relationType = processPattern(msg, config.getRelationType());
+            if (config.isRemoveCurrentRelations()) {
+                var removalOfCurrentRelationsFuture = deleteRelationsByTypeAndDirection(ctx, msg, relationType, MoreExecutors.directExecutor());
+                return Futures.transformAsync(removalOfCurrentRelationsFuture, __ ->
+                        checkRelationAndCreateIfAbsent(ctx, originator, targetEntityId, relationType), MoreExecutors.directExecutor());
             }
-            return new RelationContainer(msg, result);
-        }, ctx.getDbCallbackExecutor());
-    }
-
-    private ListenableFuture<Boolean> createRelationIfAbsent(TbContext ctx, TbMsg msg, EntityContainer entityContainer, String relationType) {
-        SearchDirectionIds sdId = processSingleSearchDirection(msg, entityContainer);
-        return Futures.transformAsync(deleteCurrentRelationsIfNeeded(ctx, msg, sdId, relationType), v ->
-                        checkRelationAndCreateIfAbsent(ctx, entityContainer, relationType, sdId),
-                ctx.getDbCallbackExecutor());
-    }
-
-    private ListenableFuture<Void> deleteCurrentRelationsIfNeeded(TbContext ctx, TbMsg msg, SearchDirectionIds sdId, String relationType) {
-        if (config.isRemoveCurrentRelations()) {
-            return deleteOriginatorRelations(ctx, findOriginatorRelations(ctx, msg, sdId, relationType));
+            return checkRelationAndCreateIfAbsent(ctx, originator, targetEntityId, relationType);
+        }, MoreExecutors.directExecutor());
+        if (!config.isChangeOriginatorToRelatedEntity()) {
+            withCallback(createRelationResultFuture,
+                    relationCreated -> {
+                        if (relationCreated) {
+                            ctx.tellSuccess(msg);
+                            return;
+                        }
+                        ctx.tellFailure(msg, new RuntimeException("Failed to create originator relation with target entity!"));
+                    },
+                    t -> ctx.tellFailure(msg, t), MoreExecutors.directExecutor());
+            return;
         }
-        return Futures.immediateFuture(null);
-    }
-
-    private ListenableFuture<List<EntityRelation>> findOriginatorRelations(TbContext ctx, TbMsg msg, SearchDirectionIds sdId, String relationType) {
-        if (sdId.isOriginatorDirectionFrom()) {
-            return ctx.getRelationService().findByFromAndTypeAsync(ctx.getTenantId(), msg.getOriginator(), relationType, RelationTypeGroup.COMMON);
-        } else {
-            return ctx.getRelationService().findByToAndTypeAsync(ctx.getTenantId(), msg.getOriginator(), relationType, RelationTypeGroup.COMMON);
-        }
-    }
-
-    private ListenableFuture<Void> deleteOriginatorRelations(TbContext ctx, ListenableFuture<List<EntityRelation>> originatorRelationsFuture) {
-        return Futures.transformAsync(originatorRelationsFuture, originatorRelations -> {
-            List<ListenableFuture<Boolean>> list = new ArrayList<>();
-            if (!CollectionUtils.isEmpty(originatorRelations)) {
-                for (EntityRelation relation : originatorRelations) {
-                    list.add(ctx.getRelationService().deleteRelationAsync(ctx.getTenantId(), relation));
-                }
-            }
-            return Futures.transform(Futures.allAsList(list), result -> null, ctx.getDbCallbackExecutor());
-        }, ctx.getDbCallbackExecutor());
-    }
-
-    private ListenableFuture<Boolean> checkRelationAndCreateIfAbsent(TbContext ctx, EntityContainer entityContainer, String relationType, SearchDirectionIds sdId) {
-        return Futures.transformAsync(checkRelation(ctx, sdId, relationType), relationPresent -> {
-            if (relationPresent) {
-                return Futures.immediateFuture(true);
-            }
-            return processCreateRelation(ctx, entityContainer, sdId, relationType);
-        }, ctx.getDbCallbackExecutor());
-    }
-
-    private ListenableFuture<Boolean> checkRelation(TbContext ctx, SearchDirectionIds sdId, String relationType) {
-        return ctx.getRelationService().checkRelationAsync(ctx.getTenantId(), sdId.getFromId(), sdId.getToId(), relationType, RelationTypeGroup.COMMON);
-    }
-
-    private ListenableFuture<Boolean> processCreateRelation(TbContext ctx, EntityContainer entityContainer, SearchDirectionIds sdId, String relationType) {
-        switch (entityContainer.getEntityType()) {
-            case ASSET:
-                return processAsset(ctx, entityContainer, sdId, relationType);
-            case DEVICE:
-                return processDevice(ctx, entityContainer, sdId, relationType);
-            case CUSTOMER:
-                return processCustomer(ctx, entityContainer, sdId, relationType);
-            case DASHBOARD:
-                return processDashboard(ctx, entityContainer, sdId, relationType);
-            case ENTITY_VIEW:
-                return processView(ctx, entityContainer, sdId, relationType);
-            case EDGE:
-                return processEdge(ctx, entityContainer, sdId, relationType);
-            case TENANT:
-                return processTenant(ctx, entityContainer, sdId, relationType);
-            case USER:
-                return processUser(ctx, entityContainer, sdId, relationType);
-        }
-        return Futures.immediateFuture(true);
-    }
-
-    private ListenableFuture<Boolean> processView(TbContext ctx, EntityContainer entityContainer, SearchDirectionIds sdId, String relationType) {
-        return Futures.transformAsync(ctx.getEntityViewService().findEntityViewByIdAsync(ctx.getTenantId(), new EntityViewId(entityContainer.getEntityId().getId())), entityView -> {
-            if (entityView != null) {
-                return processSave(ctx, sdId, relationType);
-            } else {
-                return Futures.immediateFuture(true);
+        withCallback(Futures.allAsList(targetEntityIdFuture, createRelationResultFuture), result -> {
+            var targetEntityId = (EntityId) result.get(0);
+            var relationCreated = (Boolean) result.get(1);
+            if (relationCreated) {
+                var transformedMsg = ctx.transformMsgOriginator(msg, targetEntityId);
+                ctx.tellSuccess(transformedMsg);
+                return;
             }
-        }, ctx.getDbCallbackExecutor());
+            ctx.tellFailure(msg, new RuntimeException("Failed to create originator relation with target entity!"));
+        }, t -> ctx.tellFailure(msg, t), MoreExecutors.directExecutor());
     }
 
-    private ListenableFuture<Boolean> processEdge(TbContext ctx, EntityContainer entityContainer, SearchDirectionIds sdId, String relationType) {
-        return Futures.transformAsync(ctx.getEdgeService().findEdgeByIdAsync(ctx.getTenantId(), new EdgeId(entityContainer.getEntityId().getId())), edge -> {
-            if (edge != null) {
-                return processSave(ctx, sdId, relationType);
-            } else {
-                return Futures.immediateFuture(true);
-            }
-        }, ctx.getDbCallbackExecutor());
-    }
-
-    private ListenableFuture<Boolean> processDevice(TbContext ctx, EntityContainer entityContainer, SearchDirectionIds sdId, String relationType) {
-        Device device = ctx.getDeviceService().findDeviceById(ctx.getTenantId(), new DeviceId(entityContainer.getEntityId().getId()));
-        if (device != null) {
-            return processSave(ctx, sdId, relationType);
+    private ListenableFuture<Boolean> checkRelationAndCreateIfAbsent(TbContext ctx, EntityId originator, EntityId targetEntityId, String relationType) {
+        EntityId fromId;
+        EntityId toId;
+        if (EntitySearchDirection.FROM.equals(config.getDirection())) {
+            fromId = originator;
+            toId = targetEntityId;
         } else {
-            return Futures.immediateFuture(true);
+            toId = originator;
+            fromId = targetEntityId;
         }
-    }
-
-    private ListenableFuture<Boolean> processAsset(TbContext ctx, EntityContainer entityContainer, SearchDirectionIds sdId, String relationType) {
-        return Futures.transformAsync(ctx.getAssetService().findAssetByIdAsync(ctx.getTenantId(), new AssetId(entityContainer.getEntityId().getId())), asset -> {
-            if (asset != null) {
-                return processSave(ctx, sdId, relationType);
-            } else {
-                return Futures.immediateFuture(true);
-            }
-        }, ctx.getDbCallbackExecutor());
-    }
-
-    private ListenableFuture<Boolean> processCustomer(TbContext ctx, EntityContainer entityContainer, SearchDirectionIds sdId, String relationType) {
-        return Futures.transformAsync(ctx.getCustomerService().findCustomerByIdAsync(ctx.getTenantId(), new CustomerId(entityContainer.getEntityId().getId())), customer -> {
-            if (customer != null) {
-                return processSave(ctx, sdId, relationType);
-            } else {
-                return Futures.immediateFuture(true);
-            }
-        }, ctx.getDbCallbackExecutor());
-    }
-
-    private ListenableFuture<Boolean> processDashboard(TbContext ctx, EntityContainer entityContainer, SearchDirectionIds sdId, String relationType) {
-        return Futures.transformAsync(ctx.getDashboardService().findDashboardByIdAsync(ctx.getTenantId(), new DashboardId(entityContainer.getEntityId().getId())), dashboard -> {
-            if (dashboard != null) {
-                return processSave(ctx, sdId, relationType);
-            } else {
-                return Futures.immediateFuture(true);
-            }
-        }, ctx.getDbCallbackExecutor());
-    }
-
-    private ListenableFuture<Boolean> processTenant(TbContext ctx, EntityContainer entityContainer, SearchDirectionIds sdId, String relationType) {
-        return Futures.transformAsync(ctx.getTenantService().findTenantByIdAsync(ctx.getTenantId(), TenantId.fromUUID(entityContainer.getEntityId().getId())), tenant -> {
-            if (tenant != null) {
-                return processSave(ctx, sdId, relationType);
-            } else {
-                return Futures.immediateFuture(true);
-            }
-        }, ctx.getDbCallbackExecutor());
-    }
-
-    private ListenableFuture<Boolean> processUser(TbContext ctx, EntityContainer entityContainer, SearchDirectionIds sdId, String relationType) {
-        return Futures.transformAsync(ctx.getUserService().findUserByIdAsync(ctx.getTenantId(), new UserId(entityContainer.getEntityId().getId())), user -> {
-            if (user != null) {
-                return processSave(ctx, sdId, relationType);
-            } else {
-                return Futures.immediateFuture(true);
-            }
-        }, ctx.getDbCallbackExecutor());
-    }
-
-    private ListenableFuture<Boolean> processSave(TbContext ctx, SearchDirectionIds sdId, String relationType) {
-        return ctx.getRelationService().saveRelationAsync(ctx.getTenantId(), new EntityRelation(sdId.getFromId(), sdId.getToId(), relationType, RelationTypeGroup.COMMON));
+        var checkRelationFuture = ctx.getRelationService().checkRelationAsync(ctx.getTenantId(), fromId, toId, relationType, RelationTypeGroup.COMMON);
+        return Futures.transformAsync(checkRelationFuture, relationExists ->
+                        relationExists ?
+                                Futures.immediateFuture(true) :
+                                ctx.getRelationService().
+                                        saveRelationAsync(ctx.getTenantId(), new EntityRelation(fromId, toId, relationType, RelationTypeGroup.COMMON)),
+                MoreExecutors.directExecutor());
     }
 
 }

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/action/TbCreateRelationNodeConfiguration.java

@@ -16,10 +16,13 @@
 package org.thingsboard.rule.engine.action;
 
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import org.thingsboard.rule.engine.api.NodeConfiguration;
+import org.thingsboard.server.common.data.relation.EntityRelation;
 import org.thingsboard.server.common.data.relation.EntitySearchDirection;
 
 @Data
+@EqualsAndHashCode(callSuper = true)
 public class TbCreateRelationNodeConfiguration extends TbAbstractRelationActionNodeConfiguration implements NodeConfiguration<TbCreateRelationNodeConfiguration> {
 
     private boolean createEntityIfNotExists;
@@ -29,10 +32,9 @@ public class TbCreateRelationNodeConfiguration extends TbAbstractRelationActionN
     @Override
     public TbCreateRelationNodeConfiguration defaultConfiguration() {
         TbCreateRelationNodeConfiguration configuration = new TbCreateRelationNodeConfiguration();
-        configuration.setDirection(EntitySearchDirection.FROM.name());
-        configuration.setRelationType("Contains");
+        configuration.setDirection(EntitySearchDirection.FROM);
+        configuration.setRelationType(EntityRelation.CONTAINS_TYPE);
         configuration.setEntityNamePattern("");
-        configuration.setEntityCacheExpiration(300);
         configuration.setCreateEntityIfNotExists(false);
         configuration.setRemoveCurrentRelations(false);
         configuration.setChangeOriginatorToRelatedEntity(false);

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/action/TbDeleteRelationNode.java

@@ -17,20 +17,20 @@ package org.thingsboard.rule.engine.action;
 
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
 import lombok.extern.slf4j.Slf4j;
 import org.thingsboard.rule.engine.api.RuleNode;
 import org.thingsboard.rule.engine.api.TbContext;
 import org.thingsboard.rule.engine.api.TbNodeConfiguration;
 import org.thingsboard.rule.engine.api.TbNodeException;
 import org.thingsboard.rule.engine.api.util.TbNodeUtils;
-import org.thingsboard.rule.engine.util.EntityContainer;
+import org.thingsboard.server.common.data.id.EntityId;
 import org.thingsboard.server.common.data.plugin.ComponentType;
-import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.common.data.relation.EntitySearchDirection;
 import org.thingsboard.server.common.data.relation.RelationTypeGroup;
 import org.thingsboard.server.common.msg.TbMsg;
 
-import java.util.ArrayList;
-import java.util.List;
+import static org.thingsboard.common.util.DonAsynchron.withCallback;
 
 
 @Slf4j
@@ -38,18 +38,36 @@ import java.util.List;
         type = ComponentType.ACTION,
         name = "delete relation",
         configClazz = TbDeleteRelationNodeConfiguration.class,
-        nodeDescription = "Finds target Entity by entity name pattern and then delete a relation to Originator Entity by type and direction" +
-                " if 'Delete single entity' is set to true, otherwise rule node will delete all relations to the originator of the message by type and direction.",
-        nodeDetails = "If the relation(s) successfully deleted -  Message send via <b>Success</b> chain, otherwise <b>Failure</b> chain will be used.",
+        nodeDescription = "Deletes relation with the incoming message originator based on the configured direction and type.",
+        nodeDetails = "Useful when you need to remove relations between entities dynamically depending on incoming message payload, " +
+                "message originator type, name, etc.<br><br>" +
+                "If <strong>Delete relation with specific entity</strong> enabled, target entity to delete relation with should be specified. " +
+                "Otherwise, rule node will delete all relations with the message originator based on the configured direction and type.<br><br>" +
+                "Target entity configuration: " +
+                "<ul><li><strong>Device</strong> - use a device with the specified name as the target entity to delete relation with.</li>" +
+                "<li><strong>Asset</strong> - use an asset with the specified name as the target entity to delete relation with.</li>" +
+                "<li><strong>Entity View</strong> - use entity view with the specified name as the target entity to delete relation with.</li>" +
+                "<li><strong>Tenant</strong> - use current tenant as target entity to delete relation with.</li>" +
+                "<li><strong>Customer</strong> - use customer with the specified title as the target entity to delete relation with.</li>" +
+                "<li><strong>Dashboard</strong> - use a dashboard with the specified title as the target entity to delete relation with.</li>" +
+                "<li><strong>User</strong> - use a user with the specified email as the target entity to delete relation with.</li>" +
+                "<li><strong>Edge</strong> - use an edge with the specified name as the target entity to delete relation with.</li></ul>" +
+                "Output connections: <code>Success</code> - If the relation(s) successfully deleted, otherwise <code>Failure</code>.",
         uiResources = {"static/rulenode/rulenode-core-config.js"},
         configDirective = "tbActionNodeDeleteRelationConfig",
-        icon = "remove_circle"
+        icon = "remove_circle",
+        version = 1
 )
 public class TbDeleteRelationNode extends TbAbstractRelationActionNode<TbDeleteRelationNodeConfiguration> {
 
     @Override
     protected TbDeleteRelationNodeConfiguration loadEntityNodeActionConfig(TbNodeConfiguration configuration) throws TbNodeException {
-        return TbNodeUtils.convert(configuration, TbDeleteRelationNodeConfiguration.class);
+        var deleteRelationNodeConfiguration = TbNodeUtils.convert(configuration, TbDeleteRelationNodeConfiguration.class);
+        if (!deleteRelationNodeConfiguration.isDeleteForSingleEntity()) {
+            return deleteRelationNodeConfiguration;
+        }
+        checkIfConfigEntityTypeIsSupported(deleteRelationNodeConfiguration.getEntityType());
+        return deleteRelationNodeConfiguration;
     }
 
     @Override
@@ -58,57 +76,41 @@ public class TbDeleteRelationNode extends TbAbstractRelationActionNode<TbDeleteR
     }
 
     @Override
-    protected ListenableFuture<RelationContainer> processEntityRelationAction(TbContext ctx, TbMsg msg, String relationType) {
-        return getRelationContainerListenableFuture(ctx, msg, relationType);
-    }
-
-    @Override
-    protected ListenableFuture<RelationContainer> doProcessEntityRelationAction(TbContext ctx, TbMsg msg, EntityContainer entityContainer, String relationType) {
-        return Futures.transform(processSingle(ctx, msg, entityContainer, relationType), result -> new RelationContainer(msg, result), ctx.getDbCallbackExecutor());
+    public void onMsg(TbContext ctx, TbMsg msg) {
+        ListenableFuture<Boolean> deleteResultFuture = config.isDeleteForSingleEntity() ?
+                Futures.transformAsync(getTargetEntityId(ctx, msg), targetEntityId ->
+                        deleteRelationToSpecificEntity(ctx, msg, targetEntityId), MoreExecutors.directExecutor()) :
+                deleteRelationsByTypeAndDirection(ctx, msg, ctx.getDbCallbackExecutor());
+        withCallback(deleteResultFuture, deleted -> {
+                    if (deleted) {
+                        ctx.tellSuccess(msg);
+                        return;
+                    }
+                    ctx.tellFailure(msg, new RuntimeException("Failed to delete relation(s) with originator!"));
+                },
+                t -> ctx.tellFailure(msg, t), MoreExecutors.directExecutor());
     }
 
-    private ListenableFuture<RelationContainer> getRelationContainerListenableFuture(TbContext ctx, TbMsg msg, String relationType) {
-        if (config.isDeleteForSingleEntity()) {
-            return Futures.transformAsync(getEntity(ctx, msg), entityContainer -> doProcessEntityRelationAction(ctx, msg, entityContainer, relationType), ctx.getDbCallbackExecutor());
+    private ListenableFuture<Boolean> deleteRelationToSpecificEntity(TbContext ctx, TbMsg msg, EntityId targetEntityId) {
+        EntityId fromId;
+        EntityId toId;
+        if (EntitySearchDirection.FROM.equals(config.getDirection())) {
+            fromId = msg.getOriginator();
+            toId = targetEntityId;
         } else {
-            return Futures.transform(processList(ctx, msg), result -> new RelationContainer(msg, result), ctx.getDbCallbackExecutor());
+            toId = msg.getOriginator();
+            fromId = targetEntityId;
         }
-    }
-
-    private ListenableFuture<Boolean> processList(TbContext ctx, TbMsg msg) {
-        return Futures.transformAsync(processListSearchDirection(ctx, msg), entityRelations -> {
-            if (entityRelations.isEmpty()) {
-                return Futures.immediateFuture(true);
-            } else {
-                List<ListenableFuture<Boolean>> listenableFutureList = new ArrayList<>();
-                for (EntityRelation entityRelation : entityRelations) {
-                    listenableFutureList.add(ctx.getRelationService().deleteRelationAsync(ctx.getTenantId(), entityRelation));
-                }
-                return Futures.transformAsync(Futures.allAsList(listenableFutureList), booleans -> {
-                    for (Boolean bool : booleans) {
-                        if (!bool) {
-                            return Futures.immediateFuture(false);
-                        }
+        var relationType = processPattern(msg, config.getRelationType());
+        var tenantId = ctx.getTenantId();
+        var relationService = ctx.getRelationService();
+        return Futures.transformAsync(relationService.checkRelationAsync(tenantId, fromId, toId, relationType, RelationTypeGroup.COMMON),
+                relationExists -> {
+                    if (relationExists) {
+                        return relationService.deleteRelationAsync(tenantId, fromId, toId, relationType, RelationTypeGroup.COMMON);
                     }
                     return Futures.immediateFuture(true);
-                }, ctx.getDbCallbackExecutor());
-            }
-        }, ctx.getDbCallbackExecutor());
-    }
-
-    private ListenableFuture<Boolean> processSingle(TbContext ctx, TbMsg msg, EntityContainer entityContainer, String relationType) {
-        SearchDirectionIds sdId = processSingleSearchDirection(msg, entityContainer);
-        return Futures.transformAsync(ctx.getRelationService().checkRelationAsync(ctx.getTenantId(), sdId.getFromId(), sdId.getToId(), relationType, RelationTypeGroup.COMMON),
-                result -> {
-                    if (result) {
-                        return processSingleDeleteRelation(ctx, sdId, relationType);
-                    }
-                    return Futures.immediateFuture(true);
-                }, ctx.getDbCallbackExecutor());
-    }
-
-    private ListenableFuture<Boolean> processSingleDeleteRelation(TbContext ctx, SearchDirectionIds sdId, String relationType) {
-        return ctx.getRelationService().deleteRelationAsync(ctx.getTenantId(), sdId.getFromId(), sdId.getToId(), relationType, RelationTypeGroup.COMMON);
+                }, MoreExecutors.directExecutor());
     }
 
 }

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/action/TbDeleteRelationNodeConfiguration.java

@@ -16,10 +16,13 @@
 package org.thingsboard.rule.engine.action;
 
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import org.thingsboard.rule.engine.api.NodeConfiguration;
+import org.thingsboard.server.common.data.relation.EntityRelation;
 import org.thingsboard.server.common.data.relation.EntitySearchDirection;
 
 @Data
+@EqualsAndHashCode(callSuper = true)
 public class TbDeleteRelationNodeConfiguration extends TbAbstractRelationActionNodeConfiguration implements NodeConfiguration<TbDeleteRelationNodeConfiguration> {
 
     private boolean deleteForSingleEntity;
@@ -27,11 +30,10 @@ public class TbDeleteRelationNodeConfiguration extends TbAbstractRelationActionN
     @Override
     public TbDeleteRelationNodeConfiguration defaultConfiguration() {
         TbDeleteRelationNodeConfiguration configuration = new TbDeleteRelationNodeConfiguration();
-        configuration.setDeleteForSingleEntity(true);
-        configuration.setDirection(EntitySearchDirection.FROM.name());
-        configuration.setRelationType("Contains");
+        configuration.setDeleteForSingleEntity(false);
+        configuration.setDirection(EntitySearchDirection.FROM);
+        configuration.setRelationType(EntityRelation.CONTAINS_TYPE);
         configuration.setEntityNamePattern("");
-        configuration.setEntityCacheExpiration(300);
         return configuration;
     }
 }

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/action/TbUnassignFromCustomerNode.java

@@ -15,14 +15,17 @@
  */
 package org.thingsboard.rule.engine.action;
 
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
 import org.thingsboard.rule.engine.api.RuleNode;
 import org.thingsboard.rule.engine.api.TbContext;
 import org.thingsboard.rule.engine.api.TbNodeConfiguration;
 import org.thingsboard.rule.engine.api.TbNodeException;
 import org.thingsboard.rule.engine.api.util.TbNodeUtils;
 import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.StringUtils;
 import org.thingsboard.server.common.data.id.AssetId;
-import org.thingsboard.server.common.data.id.CustomerId;
 import org.thingsboard.server.common.data.id.DashboardId;
 import org.thingsboard.server.common.data.id.DeviceId;
 import org.thingsboard.server.common.data.id.EdgeId;
@@ -34,11 +37,15 @@ import org.thingsboard.server.common.msg.TbMsg;
         type = ComponentType.ACTION,
         name = "unassign from customer",
         configClazz = TbUnassignFromCustomerNodeConfiguration.class,
-        nodeDescription = "Unassign Message Originator Entity from Customer",
-        nodeDetails = "Finds target Entity Customer by Customer name pattern and then unassign Originator Entity from this customer.",
+        nodeDescription = "Unassign message originator entity from customer",
+        nodeDetails = "If the message originator is not assigned to any customer, rule node will do nothing. <br><br>" +
+                "If the incoming message originator is a dashboard, will try to search for the customer by title specified in the configuration. " +
+                "If customer doesn't exist, the exception will be thrown. Otherwise will unassign the dashboard from retrieved customer.<br><br>" +
+                "Other entities can be assigned only to one customer, so specified customer title in the configuration will be ignored if the originator isn't a dashboard.",
         uiResources = {"static/rulenode/rulenode-core-config.js"},
         configDirective = "tbActionNodeUnAssignToCustomerConfig",
-        icon = "remove_circle"
+        icon = "remove_circle",
+        version = 1
 )
 public class TbUnassignFromCustomerNode extends TbAbstractCustomerActionNode<TbUnassignFromCustomerNodeConfiguration> {
 
@@ -53,48 +60,33 @@ public class TbUnassignFromCustomerNode extends TbAbstractCustomerActionNode<TbU
     }
 
     @Override
-    protected void doProcessCustomerAction(TbContext ctx, TbMsg msg, CustomerId customerId) {
-        EntityType originatorType = msg.getOriginator().getEntityType();
-        switch (originatorType) {
-            case DEVICE:
-                processUnnasignDevice(ctx, msg);
-                break;
-            case ASSET:
-                processUnnasignAsset(ctx, msg);
-                break;
-            case ENTITY_VIEW:
-                processUnassignEntityView(ctx, msg);
-                break;
-            case EDGE:
-                processUnassignEdge(ctx, msg);
-                break;
-            case DASHBOARD:
-                processUnnasignDashboard(ctx, msg, customerId);
-                break;
-            default:
-                ctx.tellFailure(msg, new RuntimeException("Unsupported originator type '" + originatorType +
-                        "'! Only 'DEVICE', 'ASSET',  'ENTITY_VIEW' or 'DASHBOARD' types are allowed."));
-                break;
+    protected ListenableFuture<Void> processCustomerAction(TbContext ctx, TbMsg msg) {
+        var originator = msg.getOriginator();
+        var originatorType = originator.getEntityType();
+        var tenantId = ctx.getTenantId();
+        if (EntityType.DASHBOARD.equals(originatorType)) {
+            if (StringUtils.isEmpty(config.getCustomerNamePattern())) {
+                throw new RuntimeException("Failed to unassign dashboard with id '" +
+                        originator.getId() + "' from customer! Customer title should be specified!");
+            }
+            var customerIdFuture = getCustomerIdFuture(ctx, msg);
+            return Futures.transformAsync(customerIdFuture, customerId -> {
+                ctx.getDashboardService().unassignDashboardFromCustomer(tenantId, new DashboardId(originator.getId()), customerId);
+                return Futures.immediateFuture(null);
+            }, MoreExecutors.directExecutor());
         }
+        return ctx.getDbCallbackExecutor().submit(() -> {
+            switch (originatorType) {
+                case ASSET ->
+                        ctx.getAssetService().unassignAssetFromCustomer(tenantId, new AssetId(originator.getId()));
+                case DEVICE ->
+                        ctx.getDeviceService().unassignDeviceFromCustomer(tenantId, new DeviceId(originator.getId()));
+                case ENTITY_VIEW ->
+                        ctx.getEntityViewService().unassignEntityViewFromCustomer(tenantId, new EntityViewId(originator.getId()));
+                case EDGE -> ctx.getEdgeService().unassignEdgeFromCustomer(tenantId, new EdgeId(originator.getId()));
+            }
+            return null;
+        });
     }
 
-    private void processUnnasignAsset(TbContext ctx, TbMsg msg) {
-        ctx.getAssetService().unassignAssetFromCustomer(ctx.getTenantId(), new AssetId(msg.getOriginator().getId()));
-    }
-
-    private void processUnnasignDevice(TbContext ctx, TbMsg msg) {
-        ctx.getDeviceService().unassignDeviceFromCustomer(ctx.getTenantId(), new DeviceId(msg.getOriginator().getId()));
-    }
-
-    private void processUnnasignDashboard(TbContext ctx, TbMsg msg, CustomerId customerId) {
-        ctx.getDashboardService().unassignDashboardFromCustomer(ctx.getTenantId(), new DashboardId(msg.getOriginator().getId()), customerId);
-    }
-
-    private void processUnassignEntityView(TbContext ctx, TbMsg msg) {
-        ctx.getEntityViewService().unassignEntityViewFromCustomer(ctx.getTenantId(), new EntityViewId(msg.getOriginator().getId()));
-    }
-
-    private void processUnassignEdge(TbContext ctx, TbMsg msg) {
-        ctx.getEdgeService().unassignEdgeFromCustomer(ctx.getTenantId(), new EdgeId(msg.getOriginator().getId()));
-    }
 }

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/action/TbUnassignFromCustomerNodeConfiguration.java

@@ -16,16 +16,17 @@
 package org.thingsboard.rule.engine.action;
 
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import org.thingsboard.rule.engine.api.NodeConfiguration;
 
 @Data
+@EqualsAndHashCode(callSuper = true)
 public class TbUnassignFromCustomerNodeConfiguration extends TbAbstractCustomerActionNodeConfiguration implements NodeConfiguration<TbUnassignFromCustomerNodeConfiguration> {
 
     @Override
     public TbUnassignFromCustomerNodeConfiguration defaultConfiguration() {
-        TbUnassignFromCustomerNodeConfiguration configuration = new TbUnassignFromCustomerNodeConfiguration();
+        var configuration = new TbUnassignFromCustomerNodeConfiguration();
         configuration.setCustomerNamePattern("");
-        configuration.setCustomerCacheExpiration(300);
         return configuration;
     }
 }

rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/filter/TbCheckRelationNode.java

@@ -60,8 +60,6 @@ import static org.thingsboard.common.util.DonAsynchron.withCallback;
         configDirective = "tbFilterNodeCheckRelationConfig")
 public class TbCheckRelationNode implements TbNode {
 
-    private static final String DIRECTION_PROPERTY_NAME = "direction";
-
     private TbCheckRelationNodeConfiguration config;
     private EntityId singleEntityId;
 
@@ -114,19 +112,20 @@ public class TbCheckRelationNode implements TbNode {
     public TbPair<Boolean, JsonNode> upgrade(int fromVersion, JsonNode oldConfiguration) throws TbNodeException {
         if (fromVersion == 0) {
             var newConfigObjectNode = (ObjectNode) oldConfiguration;
-            if (!newConfigObjectNode.has(DIRECTION_PROPERTY_NAME)) {
-                throw new TbNodeException("property to update: '" + DIRECTION_PROPERTY_NAME + "' doesn't exists in configuration!");
+            var directionPropertyName = "direction";
+            if (!newConfigObjectNode.has(directionPropertyName)) {
+                throw new TbNodeException("property to update: '" + directionPropertyName + "' doesn't exists in configuration!");
             }
-            String direction = newConfigObjectNode.get(DIRECTION_PROPERTY_NAME).asText();
+            String direction = newConfigObjectNode.get(directionPropertyName).asText();
             if (EntitySearchDirection.TO.name().equals(direction)) {
-                newConfigObjectNode.put(DIRECTION_PROPERTY_NAME, EntitySearchDirection.FROM.name());
+                newConfigObjectNode.put(directionPropertyName, EntitySearchDirection.FROM.name());
                 return new TbPair<>(true, newConfigObjectNode);
             }
             if (EntitySearchDirection.FROM.name().equals(direction)) {
-                newConfigObjectNode.put(DIRECTION_PROPERTY_NAME, EntitySearchDirection.TO.name());
+                newConfigObjectNode.put(directionPropertyName, EntitySearchDirection.TO.name());
                 return new TbPair<>(true, newConfigObjectNode);
             }
-            throw new TbNodeException("property to update: '" + DIRECTION_PROPERTY_NAME + "' has invalid value!");
+            throw new TbNodeException("property to update: '" + directionPropertyName + "' has invalid value!");
         }
         return new TbPair<>(false, oldConfiguration);
     }

rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/action/TbAssignToCustomerNodeTest.java

@@ -0,0 +1,335 @@
+/**
+ * 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.rule.engine.action;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.thingsboard.common.util.JacksonUtil;
+import org.thingsboard.common.util.ListeningExecutor;
+import org.thingsboard.rule.engine.AbstractRuleNodeUpgradeTest;
+import org.thingsboard.rule.engine.TestDbCallbackExecutor;
+import org.thingsboard.rule.engine.api.TbContext;
+import org.thingsboard.rule.engine.api.TbNode;
+import org.thingsboard.rule.engine.api.TbNodeConfiguration;
+import org.thingsboard.rule.engine.api.TbNodeException;
+import org.thingsboard.server.common.data.Customer;
+import org.thingsboard.server.common.data.Dashboard;
+import org.thingsboard.server.common.data.Device;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.EntityView;
+import org.thingsboard.server.common.data.StringUtils;
+import org.thingsboard.server.common.data.asset.Asset;
+import org.thingsboard.server.common.data.edge.Edge;
+import org.thingsboard.server.common.data.id.AssetId;
+import org.thingsboard.server.common.data.id.CustomerId;
+import org.thingsboard.server.common.data.id.DashboardId;
+import org.thingsboard.server.common.data.id.DeviceId;
+import org.thingsboard.server.common.data.id.EdgeId;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.id.EntityIdFactory;
+import org.thingsboard.server.common.data.id.EntityViewId;
+import org.thingsboard.server.common.data.id.RuleNodeId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.msg.TbMsgType;
+import org.thingsboard.server.common.msg.TbMsg;
+import org.thingsboard.server.common.msg.TbMsgMetaData;
+import org.thingsboard.server.dao.asset.AssetService;
+import org.thingsboard.server.dao.customer.CustomerService;
+import org.thingsboard.server.dao.dashboard.DashboardService;
+import org.thingsboard.server.dao.device.DeviceService;
+import org.thingsboard.server.dao.edge.EdgeService;
+import org.thingsboard.server.dao.entityview.EntityViewService;
+
+import java.util.Arrays;
+import java.util.EnumSet;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+import java.util.UUID;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoInteractions;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
+import static org.mockito.Mockito.when;
+
+@ExtendWith(MockitoExtension.class)
+class TbAssignToCustomerNodeTest extends AbstractRuleNodeUpgradeTest {
+
+    private static final Set<EntityType> supportedEntityTypes = EnumSet.of(EntityType.DEVICE, EntityType.ASSET,
+            EntityType.ENTITY_VIEW, EntityType.EDGE, EntityType.DASHBOARD);
+
+    private static final String supportedEntityTypesStr = supportedEntityTypes.stream().map(Enum::name).collect(Collectors.joining(", "));
+
+    private static final Set<EntityType> unsupportedEntityTypes = Arrays.stream(EntityType.values())
+            .filter(type -> !supportedEntityTypes.contains(type)).collect(Collectors.toUnmodifiableSet());
+
+    private final Device DEVICE = new Device();
+    private final Asset ASSET = new Asset();
+    private final EntityView ENTITY_VIEW = new EntityView();
+    private final Edge EDGE = new Edge();
+    private final Dashboard DASHBOARD = new Dashboard();
+
+    private final TenantId TENANT_ID = new TenantId(UUID.fromString("c818385f-e661-407f-8c52-daf2dddf406d"));
+    private final RuleNodeId RULE_NODE_ID = new RuleNodeId(UUID.fromString("c3570bd0-c0bc-4609-97a4-6f57d7c8b809"));
+
+    private final ListeningExecutor DB_EXECUTOR = new TestDbCallbackExecutor();
+
+    private static Stream<Arguments> givenUnsupportedOriginatorType_whenOnMsg_thenVerifyExceptionThrown() {
+        return unsupportedEntityTypes.stream().flatMap(type -> Stream.of(Arguments.of(type)));
+    }
+
+    private static Stream<Arguments> givenSupportedOriginatorTypeAndCustomerTitle_whenOnMsg_thenVerify() {
+        return supportedEntityTypes.stream()
+                .flatMap(type -> Stream.of(Arguments.of(type, StringUtils.randomAlphabetic(5))));
+    }
+
+    private TbAssignToCustomerNode node;
+    private TbAssignToCustomerNodeConfiguration config;
+
+    @Mock
+    private TbContext ctxMock;
+
+    @Mock
+    private CustomerService customerServiceMock;
+
+    @Mock
+    private DeviceService deviceServiceMock;
+
+    @Mock
+    private AssetService assetServiceMock;
+
+    @Mock
+    private EntityViewService entityViewServiceMock;
+
+    @Mock
+    private EdgeService edgeServiceMock;
+
+    @Mock
+    private DashboardService dashboardServiceMock;
+
+    @BeforeEach
+    public void setUp() throws TbNodeException {
+        node = spy(new TbAssignToCustomerNode());
+        config = new TbAssignToCustomerNodeConfiguration().defaultConfiguration();
+    }
+
+    @Override
+    protected TbNode getTestNode() {
+        return node;
+    }
+
+    @Test
+    void givenDefaultConfig_whenVerify_thenOK() {
+        var defaultConfig = new TbAssignToCustomerNodeConfiguration().defaultConfiguration();
+        assertThat(defaultConfig.getCustomerNamePattern()).isEmpty();
+        assertThat(defaultConfig.isCreateCustomerIfNotExists()).isFalse();
+    }
+
+    @ParameterizedTest
+    @MethodSource
+    void givenUnsupportedOriginatorType_whenOnMsg_thenVerifyExceptionThrown(EntityType originatorType) {
+        // GIVEN
+        var originator = toOriginator(originatorType);
+        var msg = getTbMsg(originator);
+
+        // WHEN
+        var exception = assertThrows(RuntimeException.class, () -> node.onMsg(ctxMock, msg));
+
+        // THEN
+        assertThat(exception.getMessage()).isEqualTo("Unsupported originator type '" + originatorType +
+                "'! Only " + supportedEntityTypesStr + " types are allowed.");
+        verifyNoInteractions(ctxMock);
+        verifyNoInteractions(customerServiceMock);
+    }
+
+    @ParameterizedTest
+    @MethodSource("givenSupportedOriginatorTypeAndCustomerTitle_whenOnMsg_thenVerify")
+    void givenSupportedOriginatorTypeAndCustomerTitle_whenOnMsg_thenVerify(EntityType type, String customerTitle) throws TbNodeException {
+        // GIVEN
+
+        when(ctxMock.getTenantId()).thenReturn(TENANT_ID);
+        when(ctxMock.getDbCallbackExecutor()).thenReturn(DB_EXECUTOR);
+        when(ctxMock.getCustomerService()).thenReturn(customerServiceMock);
+
+        config.setCustomerNamePattern(customerTitle);
+        var nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(config));
+        node.init(ctxMock, nodeConfiguration);
+
+        var originator = toOriginator(type);
+        var msg = getTbMsg(originator);
+        var customer = createCustomer(customerTitle);
+
+        when(customerServiceMock.findCustomerByTenantIdAndTitle(eq(TENANT_ID), eq(customerTitle))).thenReturn(Optional.of(customer));
+        Map<EntityType, Consumer<EntityId>> entityTypeToAssignConsumerMap = mockMethodCallsForSupportedTypes();
+        entityTypeToAssignConsumerMap.get(type).accept(originator);
+
+        // WHEN
+        node.onMsg(ctxMock, msg);
+
+        // THEN
+        verifyMsgSuccess(msg);
+        verifyNoMoreInteractions(ctxMock);
+    }
+
+    @ParameterizedTest
+    @MethodSource("givenSupportedOriginatorTypeAndCustomerTitle_whenOnMsg_thenVerify")
+    void givenSupportedOriginatorTypeAndCustomerTitle_whenOnMsg_thenVerifyCustomerCreatedAndSuccessOutMsg(EntityType type, String customerTitle) throws TbNodeException {
+        // GIVEN
+
+        when(ctxMock.getTenantId()).thenReturn(TENANT_ID);
+        when(ctxMock.getDbCallbackExecutor()).thenReturn(DB_EXECUTOR);
+        when(ctxMock.getCustomerService()).thenReturn(customerServiceMock);
+        when(ctxMock.getSelfId()).thenReturn(RULE_NODE_ID);
+
+        config.setCreateCustomerIfNotExists(true);
+        config.setCustomerNamePattern(customerTitle);
+        var nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(config));
+        node.init(ctxMock, nodeConfiguration);
+
+        var originator = toOriginator(type);
+        var msg = getTbMsg(originator);
+        var customer = createCustomer(customerTitle);
+
+        when(customerServiceMock.findCustomerByTenantIdAndTitle(eq(TENANT_ID), eq(customerTitle))).thenReturn(Optional.empty());
+        when(customerServiceMock.saveCustomer(any(Customer.class))).thenReturn(customer);
+        Map<EntityType, Consumer<EntityId>> entityTypeToEntityIdConsumerMap = mockMethodCallsForSupportedTypes();
+        entityTypeToEntityIdConsumerMap.get(type).accept(originator);
+
+        // WHEN
+        node.onMsg(ctxMock, msg);
+
+        // THEN
+        ArgumentCaptor<Runnable> runnableCaptor = ArgumentCaptor.forClass(Runnable.class);
+        verify(ctxMock).enqueue(any(), runnableCaptor.capture(), any());
+        runnableCaptor.getValue().run();
+        verify(ctxMock).customerCreatedMsg(any(), eq(RULE_NODE_ID));
+        verifyMsgSuccess(msg);
+    }
+
+    @ParameterizedTest
+    @MethodSource("givenSupportedOriginatorTypeAndCustomerTitle_whenOnMsg_thenVerify")
+    void givenSupportedOriginatorTypeAndCustomerTitle_whenOnMsg_thenVerifyCustomerNotFound(EntityType type, String customerTitle) throws TbNodeException {
+        // GIVEN
+
+        when(ctxMock.getTenantId()).thenReturn(TENANT_ID);
+        when(ctxMock.getDbCallbackExecutor()).thenReturn(DB_EXECUTOR);
+        when(ctxMock.getCustomerService()).thenReturn(customerServiceMock);
+
+        config.setCustomerNamePattern(customerTitle);
+        var nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(config));
+        node.init(ctxMock, nodeConfiguration);
+
+        var originator = toOriginator(type);
+        var msg = getTbMsg(originator);
+
+        when(customerServiceMock.findCustomerByTenantIdAndTitle(eq(TENANT_ID), eq(customerTitle))).thenReturn(Optional.empty());
+
+        // WHEN
+        node.onMsg(ctxMock, msg);
+
+        // THEN
+        ArgumentCaptor<Throwable> throwableCaptor = ArgumentCaptor.forClass(Throwable.class);
+        verify(ctxMock).tellFailure(eq(msg), throwableCaptor.capture());
+        assertThat(throwableCaptor.getValue()).hasMessage("Customer with title '" + customerTitle + "' doesn't exist!");
+
+        verifyNoMoreInteractions(customerServiceMock);
+        verifyNoMoreInteractions(ctxMock);
+    }
+
+    private Map<EntityType, Consumer<EntityId>> mockMethodCallsForSupportedTypes() {
+        return Map.of(
+                EntityType.DEVICE, id -> {
+                    when(ctxMock.getDeviceService()).thenReturn(deviceServiceMock);
+                    when(deviceServiceMock.assignDeviceToCustomer(eq(TENANT_ID), (DeviceId) eq(id), any()))
+                            .thenReturn(DEVICE);
+                },
+                EntityType.ASSET, id -> {
+                    when(ctxMock.getAssetService()).thenReturn(assetServiceMock);
+                    when(assetServiceMock.assignAssetToCustomer(eq(TENANT_ID), (AssetId) eq(id), any()))
+                            .thenReturn(ASSET);
+                },
+                EntityType.ENTITY_VIEW, id -> {
+                    when(ctxMock.getEntityViewService()).thenReturn(entityViewServiceMock);
+                    when(entityViewServiceMock.assignEntityViewToCustomer(eq(TENANT_ID), (EntityViewId) eq(id), any()))
+                            .thenReturn(ENTITY_VIEW);
+                },
+                EntityType.EDGE, id -> {
+                    when(ctxMock.getEdgeService()).thenReturn(edgeServiceMock);
+                    when(edgeServiceMock.assignEdgeToCustomer(eq(TENANT_ID), (EdgeId) eq(id), any()))
+                            .thenReturn(EDGE);
+                },
+                EntityType.DASHBOARD, id -> {
+                    when(ctxMock.getDashboardService()).thenReturn(dashboardServiceMock);
+                    when(dashboardServiceMock.assignDashboardToCustomer(eq(TENANT_ID), (DashboardId) eq(id), any()))
+                            .thenReturn(DASHBOARD);
+                }
+        );
+    }
+
+    private void verifyMsgSuccess(TbMsg expectedMsg) {
+        verify(ctxMock).tellSuccess(eq(expectedMsg));
+        verify(ctxMock, never()).tellFailure(any(), any());
+    }
+
+    private Customer createCustomer(String customerTitle) {
+        var customer = new Customer();
+        customer.setTitle(customerTitle);
+        customer.setId(new CustomerId(UUID.randomUUID()));
+        customer.setTenantId(TENANT_ID);
+        return customer;
+    }
+
+    private TbMsg getTbMsg(EntityId originator) {
+        return TbMsg.newMsg(TbMsgType.NA, originator, TbMsgMetaData.EMPTY, TbMsg.EMPTY_JSON_OBJECT);
+    }
+
+    private EntityId toOriginator(EntityType type) {
+        return EntityIdFactory.getByTypeAndId(type.name(), UUID.randomUUID().toString());
+    }
+
+    // Rule nodes upgrade
+    private static Stream<Arguments> givenFromVersionAndConfig_whenUpgrade_thenVerifyHasChangesAndConfig() {
+        return Stream.of(
+                // default config for version 0
+                Arguments.of(0,
+                        "{\"customerNamePattern\":\"\",\"createCustomerIfNotExists\":\"false\",\"customerCacheExpiration\":300}",
+                        true,
+                        "{\"customerNamePattern\":\"\",\"createCustomerIfNotExists\":\"false\"}"),
+                // default config for version 1 with upgrade from version 0
+                Arguments.of(0,
+                        "{\"customerNamePattern\":\"\",\"createCustomerIfNotExists\":\"false\"}",
+                        false,
+                        "{\"customerNamePattern\":\"\",\"createCustomerIfNotExists\":\"false\"}")
+        );
+    }
+
+}

rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/action/TbCreateRelationNodeTest.java

@@ -15,193 +15,708 @@
  */
 package org.thingsboard.rule.engine.action;
 
-import com.datastax.oss.driver.api.core.uuid.Uuids;
 import com.google.common.util.concurrent.Futures;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.EnumSource;
+import org.junit.jupiter.params.provider.MethodSource;
 import org.mockito.ArgumentCaptor;
 import org.mockito.Mock;
-import org.mockito.junit.MockitoJUnitRunner;
+import org.mockito.junit.jupiter.MockitoExtension;
 import org.thingsboard.common.util.JacksonUtil;
 import org.thingsboard.common.util.ListeningExecutor;
+import org.thingsboard.rule.engine.AbstractRuleNodeUpgradeTest;
 import org.thingsboard.rule.engine.TestDbCallbackExecutor;
 import org.thingsboard.rule.engine.api.TbContext;
+import org.thingsboard.rule.engine.api.TbNode;
 import org.thingsboard.rule.engine.api.TbNodeConfiguration;
 import org.thingsboard.rule.engine.api.TbNodeException;
+import org.thingsboard.server.cluster.TbClusterService;
+import org.thingsboard.server.common.data.Customer;
+import org.thingsboard.server.common.data.Dashboard;
+import org.thingsboard.server.common.data.Device;
 import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.EntityView;
+import org.thingsboard.server.common.data.Tenant;
+import org.thingsboard.server.common.data.User;
 import org.thingsboard.server.common.data.asset.Asset;
+import org.thingsboard.server.common.data.edge.Edge;
 import org.thingsboard.server.common.data.id.AssetId;
+import org.thingsboard.server.common.data.id.CustomerId;
+import org.thingsboard.server.common.data.id.DashboardId;
 import org.thingsboard.server.common.data.id.DeviceId;
+import org.thingsboard.server.common.data.id.EdgeId;
 import org.thingsboard.server.common.data.id.EntityId;
-import org.thingsboard.server.common.data.id.RuleChainId;
+import org.thingsboard.server.common.data.id.EntityViewId;
+import org.thingsboard.server.common.data.id.HasId;
 import org.thingsboard.server.common.data.id.RuleNodeId;
+import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.msg.TbMsgType;
-import org.thingsboard.server.common.data.msg.TbNodeConnectionType;
 import org.thingsboard.server.common.data.relation.EntityRelation;
 import org.thingsboard.server.common.data.relation.EntitySearchDirection;
 import org.thingsboard.server.common.data.relation.RelationTypeGroup;
 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.asset.AssetService;
+import org.thingsboard.server.dao.customer.CustomerService;
+import org.thingsboard.server.dao.dashboard.DashboardService;
+import org.thingsboard.server.dao.device.DeviceService;
+import org.thingsboard.server.dao.edge.EdgeService;
+import org.thingsboard.server.dao.entityview.EntityViewService;
 import org.thingsboard.server.dao.relation.RelationService;
-
-import java.util.Collections;
-
-import static org.junit.Assert.assertEquals;
+import org.thingsboard.server.dao.user.UserService;
+
+import java.util.Arrays;
+import java.util.EnumSet;
+import java.util.List;
+import java.util.Map;
+import java.util.NoSuchElementException;
+import java.util.Optional;
+import java.util.Set;
+import java.util.UUID;
+import java.util.function.BiConsumer;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatCode;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoInteractions;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
 import static org.mockito.Mockito.when;
 
-@RunWith(MockitoJUnitRunner.class)
-public class TbCreateRelationNodeTest {
+@ExtendWith(MockitoExtension.class)
+public class TbCreateRelationNodeTest extends AbstractRuleNodeUpgradeTest {
 
-    private TbCreateRelationNode node;
+    private static final Set<EntityType> supportedEntityTypes = EnumSet.of(EntityType.TENANT, EntityType.DEVICE,
+            EntityType.ASSET, EntityType.CUSTOMER, EntityType.ENTITY_VIEW, EntityType.DASHBOARD, EntityType.EDGE, EntityType.USER);
+
+    private static final String supportedEntityTypesStr = supportedEntityTypes.stream().map(Enum::name).collect(Collectors.joining(" ,"));
+
+    private static final Set<EntityType> unsupportedEntityTypes = Arrays.stream(EntityType.values())
+            .filter(type -> !supportedEntityTypes.contains(type)).collect(Collectors.toUnmodifiableSet());
+
+    private static Stream<Arguments> givenSupportedEntityType_whenOnMsg_thenVerifyEntityNotFoundExceptionThrown() {
+        return supportedEntityTypes.stream().filter(entityType -> !entityType.equals(EntityType.TENANT)).map(Arguments::of);
+    }
+
+    private static final TenantId tenantId = new TenantId(UUID.fromString("6fc86fc9-b25c-4893-b340-51cf4e101ab2"));
+    private static final DeviceId deviceId = new DeviceId(UUID.fromString("191ab124-1d8d-4749-97c6-fc84c113c1f5"));
+    private static final AssetId assetId = new AssetId(UUID.fromString("a47a5867-deab-4333-b845-88cb1695990c"));
+    private static final CustomerId customerId = new CustomerId(UUID.fromString("4af69229-273d-40de-9fba-f49f87373d23"));
+    private static final EntityViewId entityViewId = new EntityViewId(UUID.fromString("d4c22c9c-07f5-474d-9d16-b63f0e71f914"));
+    private static final EdgeId edgeId = new EdgeId(UUID.fromString("7c653959-558d-4661-aac7-c1866eef286b"));
+    private static final DashboardId dashboardId = new DashboardId(UUID.fromString("6fcfbcb0-21e4-4b0b-a0d6-399ca6959cb2"));
+
+    private static Stream<Arguments> givenSupportedEntityType_whenOnMsg_thenVerifyConditions() {
+        return Stream.of(
+                Arguments.of(new Device(deviceId)),
+                Arguments.of(new Asset(assetId)),
+                Arguments.of(new Customer(customerId)),
+                Arguments.of(new EntityView(entityViewId)),
+                Arguments.of(new Edge(edgeId)),
+                Arguments.of(new Dashboard(dashboardId)),
+                Arguments.of(new Tenant(tenantId))
+        );
+    }
 
+    private static Stream<Arguments> givenSupportedEntityTypeToCreateEntityIfNotExists_whenOnMsg_thenVerifyConditions() {
+        return Stream.of(
+                Arguments.of(new Device(deviceId)),
+                Arguments.of(new Asset(assetId)),
+                Arguments.of(new Customer(customerId))
+        );
+    }
+
+    private final DeviceId originatorId = new DeviceId(UUID.fromString("860634b1-8a1e-4693-9ae8-e779c7f5f4da"));
+    private final RuleNodeId ruleNodeId = new RuleNodeId(UUID.fromString("d05a0491-ee7a-484a-8c1b-91111ef39287"));
+
+    private final ListeningExecutor dbExecutor = new TestDbCallbackExecutor();
+
+    @Mock
+    private TbContext ctxMock;
+    @Mock
+    private AssetService assetServiceMock;
+    @Mock
+    private DeviceService deviceServiceMock;
+    @Mock
+    private EntityViewService entityViewServiceMock;
     @Mock
-    private TbContext ctx;
+    private CustomerService customerServiceMock;
     @Mock
-    private AssetService assetService;
+    private EdgeService edgeServiceMock;
     @Mock
-    private RelationService relationService;
+    private UserService userServiceMock;
+    @Mock
+    private DashboardService dashboardServiceMock;
+    @Mock
+    private TbClusterService clusterServiceMock;
+    @Mock
+    private RelationService relationServiceMock;
 
-    private TbMsg msg;
+    private TbCreateRelationNode node;
+    private TbCreateRelationNodeConfiguration config;
 
-    private RuleChainId ruleChainId = new RuleChainId(Uuids.timeBased());
-    private RuleNodeId ruleNodeId = new RuleNodeId(Uuids.timeBased());
+    @BeforeEach
+    public void setUp() throws TbNodeException {
+        node = spy(new TbCreateRelationNode());
+        config = new TbCreateRelationNodeConfiguration().defaultConfiguration();
+    }
 
-    private ListeningExecutor dbExecutor;
+    @Test
+    void givenDefaultConfig_whenVerify_thenOK() {
+        var defaultConfig = new TbCreateRelationNodeConfiguration().defaultConfiguration();
+        assertThat(defaultConfig.getDirection()).isEqualTo(EntitySearchDirection.FROM);
+        assertThat(defaultConfig.getRelationType()).isEqualTo(EntityRelation.CONTAINS_TYPE);
+        assertThat(defaultConfig.getEntityNamePattern()).isEqualTo("");
+        assertThat(defaultConfig.getEntityTypePattern()).isEqualTo(null);
+        assertThat(defaultConfig.getEntityType()).isEqualTo(null);
+        assertThat(defaultConfig.isCreateEntityIfNotExists()).isFalse();
+        assertThat(defaultConfig.isRemoveCurrentRelations()).isFalse();
+        assertThat(defaultConfig.isChangeOriginatorToRelatedEntity()).isFalse();
+    }
 
-    @Before
-    public void before() {
-        dbExecutor = new TestDbCallbackExecutor();
+    @ParameterizedTest
+    @EnumSource(EntityType.class)
+    void givenEntityType_whenInit_thenVerifyExceptionThrownIfTypeIsUnsupported(EntityType entityType) {
+        // GIVEN
+        config.setEntityType(entityType);
+        var nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(config));
+
+        // WHEN-THEN
+        if (unsupportedEntityTypes.contains(entityType)) {
+            assertThatThrownBy(() -> node.init(ctxMock, nodeConfiguration))
+                    .isInstanceOf(TbNodeException.class)
+                    .hasMessage("Unsupported entity type '" + entityType +
+                            "'! Only " + supportedEntityTypesStr + " types are allowed.");
+        } else {
+            assertThatCode(() -> node.init(ctxMock, nodeConfiguration)).doesNotThrowAnyException();
+        }
+        verifyNoInteractions(ctxMock);
     }
 
-    @Test
-    public void testCreateNewRelation() throws TbNodeException {
-        init(createRelationNodeConfig());
+    @ParameterizedTest
+    @MethodSource
+    void givenSupportedEntityType_whenOnMsg_thenVerifyEntityNotFoundExceptionThrown(EntityType entityType) throws TbNodeException {
+        // GIVEN
+        config.setEntityType(entityType);
+        config.setEntityNamePattern("${name}");
+        config.setEntityTypePattern("${type}");
+
+        var nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(config));
+        node.init(ctxMock, nodeConfiguration);
+
+        when(ctxMock.getTenantId()).thenReturn(tenantId);
+        when(ctxMock.getDbCallbackExecutor()).thenReturn(dbExecutor);
+
+        var mockMethodCallsMap = mockEntityServiceCallsEntityNotFound();
+        mockMethodCallsMap.get(entityType).run();
+
+        var md = getMetadataWithNameTemplate();
+        var msg = getTbMsg(originatorId, md);
+
+        // todo fix TestDbCallbackExecutor exception handling.
+        switch (entityType) {
+            case CUSTOMER -> {
+                node.onMsg(ctxMock, msg);
+                ArgumentCaptor<Throwable> throwableCaptor = ArgumentCaptor.forClass(Throwable.class);
+                verify(ctxMock).tellFailure(eq(msg), throwableCaptor.capture());
+                assertThat(throwableCaptor.getValue())
+                        .isInstanceOf(NoSuchElementException.class)
+                        .hasMessage(EntityType.CUSTOMER.getNormalName() + " with title 'EntityName' doesn't exist!");
+            }
+            case DEVICE, ASSET -> {
+                node.onMsg(ctxMock, msg);
+                ArgumentCaptor<Throwable> throwableCaptor = ArgumentCaptor.forClass(Throwable.class);
+                verify(ctxMock).tellFailure(eq(msg), throwableCaptor.capture());
+                assertThat(throwableCaptor.getValue())
+                        .isInstanceOf(NoSuchElementException.class)
+                        .hasMessage(entityType.getNormalName() + " with name 'EntityName' doesn't exist!");
+            }
+            default -> assertThatThrownBy(() -> node.onMsg(ctxMock, msg))
+                    .isInstanceOf(RuntimeException.class).hasCauseInstanceOf(NoSuchElementException.class);
+        }
+    }
 
-        DeviceId deviceId = new DeviceId(Uuids.timeBased());
+    @ParameterizedTest
+    @MethodSource("givenSupportedEntityType_whenOnMsg_thenVerifyConditions")
+    void givenSupportedEntityType_whenOnMsg_thenVerifyRelationCreatedAndOutMsgSuccess(HasId entity) throws TbNodeException {
+        // GIVEN
+        var entityId = (EntityId) entity.getId();
+        var entityType = entityId.getEntityType();
 
-        AssetId assetId = new AssetId(Uuids.timeBased());
-        Asset asset = new Asset();
-        asset.setId(assetId);
+        config.setEntityType(entityType);
+        config.setEntityNamePattern("${name}");
+        config.setEntityTypePattern("${type}");
+        config.setCreateEntityIfNotExists(false);
+        config.setChangeOriginatorToRelatedEntity(false);
+        config.setRemoveCurrentRelations(false);
 
-        when(assetService.findAssetByTenantIdAndName(any(), eq("AssetName"))).thenReturn(asset);
-        when(assetService.findAssetByIdAsync(any(), eq(assetId))).thenReturn(Futures.immediateFuture(asset));
+        var nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(config));
+        node.init(ctxMock, nodeConfiguration);
 
-        TbMsgMetaData metaData = new TbMsgMetaData();
-        metaData.putValue("name", "AssetName");
-        metaData.putValue("type", "AssetType");
-        msg = TbMsg.newMsg(TbMsgType.ENTITY_CREATED, deviceId, metaData, TbMsgDataType.JSON, TbMsg.EMPTY_JSON_OBJECT, ruleChainId, ruleNodeId);
+        when(ctxMock.getTenantId()).thenReturn(tenantId);
+        when(ctxMock.getDbCallbackExecutor()).thenReturn(dbExecutor);
+        when(ctxMock.getRelationService()).thenReturn(relationServiceMock);
 
-        when(ctx.getRelationService().checkRelationAsync(any(), eq(assetId), eq(deviceId), eq(EntityRelation.CONTAINS_TYPE), eq(RelationTypeGroup.COMMON)))
-                .thenReturn(Futures.immediateFuture(false));
-        when(ctx.getRelationService().saveRelationAsync(any(), eq(new EntityRelation(assetId, deviceId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON))))
-                .thenReturn(Futures.immediateFuture(true));
+        var mockMethodCallsMap = mockEntityServiceCallsCreateEntityIfNotExistsDisabled();
+        mockMethodCallsMap.get(entityType).accept(entity);
 
-        node.onMsg(ctx, msg);
-        verify(ctx).tellNext(msg, TbNodeConnectionType.SUCCESS);
+        when(relationServiceMock.checkRelationAsync(any(), any(), any(), any(), any())).thenReturn(Futures.immediateFuture(false));
+        when(relationServiceMock.saveRelationAsync(any(), any())).thenReturn(Futures.immediateFuture(true));
+
+        var md = getMetadataWithNameTemplate();
+        var msg = getTbMsg(originatorId, md);
+
+        // WHEN
+        node.onMsg(ctxMock, msg);
+
+        // THEN
+        var verifyMethodCallsMap = verifyEntityServiceCallsCreateEntityIfNotExistsDisabled();
+        verifyMethodCallsMap.get(entityType).run();
+
+        verify(relationServiceMock).checkRelationAsync(eq(tenantId), eq(originatorId), eq(entityId), eq(EntityRelation.CONTAINS_TYPE), eq(RelationTypeGroup.COMMON));
+        verify(relationServiceMock).saveRelationAsync(eq(tenantId), eq(new EntityRelation(originatorId, entityId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON)));
+
+        verify(ctxMock).tellSuccess(eq(msg));
+        verify(ctxMock, never()).tellFailure(any(), any());
+        verify(ctxMock).getDbCallbackExecutor();
+        verifyNoMoreInteractions(ctxMock, relationServiceMock);
     }
 
-    @Test
-    public void testDeleteCurrentRelationsCreateNewRelation() throws TbNodeException {
-        init(createRelationNodeConfigWithRemoveCurrentRelations());
+    @ParameterizedTest
+    @MethodSource("givenSupportedEntityType_whenOnMsg_thenVerifyConditions")
+    void givenSupportedEntityType_whenOnMsg_thenVerifyDeleteCurrentRelationCreateNewRelationAndOutMsgSuccess(HasId entity) throws TbNodeException {
+        // GIVEN
+        var entityId = (EntityId) entity.getId();
+        var entityType = entityId.getEntityType();
+
+        config.setEntityType(entityType);
+        config.setEntityNamePattern("${name}");
+        config.setEntityTypePattern("${type}");
+        config.setCreateEntityIfNotExists(false);
+        config.setChangeOriginatorToRelatedEntity(false);
+        config.setRemoveCurrentRelations(true);
+
+        var nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(config));
+        node.init(ctxMock, nodeConfiguration);
+
+        when(ctxMock.getTenantId()).thenReturn(tenantId);
+        when(ctxMock.getDbCallbackExecutor()).thenReturn(dbExecutor);
+        when(ctxMock.getRelationService()).thenReturn(relationServiceMock);
+
+        var mockMethodCallsMap = mockEntityServiceCallsCreateEntityIfNotExistsDisabled();
+        mockMethodCallsMap.get(entityType).accept(entity);
+
+        var relationToDelete = new EntityRelation();
+        when(relationServiceMock.findByFromAndTypeAsync(any(), any(), any(), any())).thenReturn(Futures.immediateFuture(List.of(relationToDelete)));
+        when(relationServiceMock.deleteRelationAsync(any(), any())).thenReturn(Futures.immediateFuture(true));
+        when(relationServiceMock.checkRelationAsync(any(), any(), any(), any(), any())).thenReturn(Futures.immediateFuture(false));
+        when(relationServiceMock.saveRelationAsync(any(), any())).thenReturn(Futures.immediateFuture(true));
+
+        var md = getMetadataWithNameTemplate();
+        var msg = getTbMsg(originatorId, md);
+
+        // WHEN
+        node.onMsg(ctxMock, msg);
+
+        // THEN
+        var verifyMethodCallsMap = verifyEntityServiceCallsCreateEntityIfNotExistsDisabled();
+        verifyMethodCallsMap.get(entityType).run();
+
+        verify(relationServiceMock).findByFromAndTypeAsync(eq(tenantId), eq(originatorId), eq(EntityRelation.CONTAINS_TYPE), eq(RelationTypeGroup.COMMON));
+        verify(relationServiceMock).deleteRelationAsync(eq(tenantId), eq(relationToDelete));
+        verify(relationServiceMock).checkRelationAsync(eq(tenantId), eq(originatorId), eq(entityId), eq(EntityRelation.CONTAINS_TYPE), eq(RelationTypeGroup.COMMON));
+        verify(relationServiceMock).saveRelationAsync(eq(tenantId), eq(new EntityRelation(originatorId, entityId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON)));
+
+        verify(ctxMock).tellSuccess(eq(msg));
+        verify(ctxMock, never()).tellFailure(any(), any());
+        verify(ctxMock).getDbCallbackExecutor();
+        verifyNoMoreInteractions(ctxMock, relationServiceMock);
+    }
+
+    @ParameterizedTest
+    @MethodSource("givenSupportedEntityType_whenOnMsg_thenVerifyConditions")
+    void givenSupportedEntityType_whenOnMsg_thenVerifyDeleteCurrentRelationsCreateNewRelationAndOutMsgSuccess(HasId entity) throws TbNodeException {
+        // GIVEN
+        var entityId = (EntityId) entity.getId();
+        var entityType = entityId.getEntityType();
 
-        DeviceId deviceId = new DeviceId(Uuids.timeBased());
+        config.setEntityType(entityType);
+        config.setEntityNamePattern("${name}");
+        config.setEntityTypePattern("${type}");
+        config.setCreateEntityIfNotExists(false);
+        config.setChangeOriginatorToRelatedEntity(false);
+        config.setRemoveCurrentRelations(true);
 
-        AssetId assetId = new AssetId(Uuids.timeBased());
-        Asset asset = new Asset();
-        asset.setId(assetId);
+        var nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(config));
+        node.init(ctxMock, nodeConfiguration);
 
-        when(assetService.findAssetByTenantIdAndName(any(), eq("AssetName"))).thenReturn(asset);
-        when(assetService.findAssetByIdAsync(any(), eq(assetId))).thenReturn(Futures.immediateFuture(asset));
+        when(ctxMock.getTenantId()).thenReturn(tenantId);
+        when(ctxMock.getDbCallbackExecutor()).thenReturn(dbExecutor);
+        when(ctxMock.getRelationService()).thenReturn(relationServiceMock);
 
-        TbMsgMetaData metaData = new TbMsgMetaData();
-        metaData.putValue("name", "AssetName");
-        metaData.putValue("type", "AssetType");
-        msg = TbMsg.newMsg(TbMsgType.ENTITY_CREATED, deviceId, metaData, TbMsgDataType.JSON, TbMsg.EMPTY_JSON_OBJECT, ruleChainId, ruleNodeId);
+        var mockMethodCallsMap = mockEntityServiceCallsCreateEntityIfNotExistsDisabled();
+        mockMethodCallsMap.get(entityType).accept(entity);
 
-        EntityRelation relation = new EntityRelation();
-        when(ctx.getRelationService().findByToAndTypeAsync(any(), eq(msg.getOriginator()), eq(EntityRelation.CONTAINS_TYPE), eq(RelationTypeGroup.COMMON)))
-                .thenReturn(Futures.immediateFuture(Collections.singletonList(relation)));
-        when(ctx.getRelationService().deleteRelationAsync(any(), eq(relation))).thenReturn(Futures.immediateFuture(true));
-        when(ctx.getRelationService().checkRelationAsync(any(), eq(assetId), eq(deviceId), eq(EntityRelation.CONTAINS_TYPE), eq(RelationTypeGroup.COMMON)))
-                .thenReturn(Futures.immediateFuture(false));
-        when(ctx.getRelationService().saveRelationAsync(any(), eq(new EntityRelation(assetId, deviceId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON))))
-                .thenReturn(Futures.immediateFuture(true));
+        var firstRelationToDelete = new EntityRelation();
+        var secondRelationToDelete = new EntityRelation();
+        var relationsToDelete = List.of(firstRelationToDelete, secondRelationToDelete);
 
-        node.onMsg(ctx, msg);
-        verify(ctx).tellNext(msg, TbNodeConnectionType.SUCCESS);
+        when(relationServiceMock.findByFromAndTypeAsync(any(), any(), any(), any())).thenReturn(Futures.immediateFuture(relationsToDelete));
+        when(relationServiceMock.deleteRelationAsync(any(), any())).thenReturn(Futures.immediateFuture(true));
+        when(relationServiceMock.checkRelationAsync(any(), any(), any(), any(), any())).thenReturn(Futures.immediateFuture(false));
+        when(relationServiceMock.saveRelationAsync(any(), any())).thenReturn(Futures.immediateFuture(true));
+
+        var md = getMetadataWithNameTemplate();
+        var msg = getTbMsg(originatorId, md);
+
+        // WHEN
+        node.onMsg(ctxMock, msg);
+
+        // THEN
+        var verifyMethodCallsMap = verifyEntityServiceCallsCreateEntityIfNotExistsDisabled();
+        verifyMethodCallsMap.get(entityType).run();
+
+        verify(relationServiceMock).findByFromAndTypeAsync(eq(tenantId), eq(originatorId), eq(EntityRelation.CONTAINS_TYPE), eq(RelationTypeGroup.COMMON));
+
+        var entityRelationCaptor = ArgumentCaptor.forClass(EntityRelation.class);
+
+        verify(relationServiceMock, times(2)).deleteRelationAsync(eq(tenantId), entityRelationCaptor.capture());
+        assertThat(relationsToDelete).containsExactlyInAnyOrderElementsOf(relationsToDelete);
+
+        verify(relationServiceMock).checkRelationAsync(eq(tenantId), eq(originatorId), eq(entityId), eq(EntityRelation.CONTAINS_TYPE), eq(RelationTypeGroup.COMMON));
+        verify(relationServiceMock).saveRelationAsync(eq(tenantId), eq(new EntityRelation(originatorId, entityId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON)));
+
+        verify(ctxMock).tellSuccess(eq(msg));
+        verify(ctxMock, never()).tellFailure(any(), any());
+        verify(ctxMock).getDbCallbackExecutor();
+        verifyNoMoreInteractions(ctxMock, relationServiceMock);
     }
 
-    @Test
-    public void testCreateNewRelationAndChangeOriginator() throws TbNodeException {
-        init(createRelationNodeConfigWithChangeOriginator());
+    @ParameterizedTest
+    @MethodSource("givenSupportedEntityType_whenOnMsg_thenVerifyConditions")
+    void givenSupportedEntityType_whenOnMsg_thenVerifyRelationCreatedAndOriginatorChanged(HasId entity) throws TbNodeException {
+        // GIVEN
+        var entityId = (EntityId) entity.getId();
+        var entityType = entityId.getEntityType();
+
+        config.setEntityType(entityType);
+        config.setEntityNamePattern("${name}");
+        config.setEntityTypePattern("${type}");
+        config.setCreateEntityIfNotExists(false);
+        config.setChangeOriginatorToRelatedEntity(true);
+        config.setRemoveCurrentRelations(false);
+
+        var nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(config));
+        node.init(ctxMock, nodeConfiguration);
+
+        when(ctxMock.getTenantId()).thenReturn(tenantId);
+        when(ctxMock.getDbCallbackExecutor()).thenReturn(dbExecutor);
+        when(ctxMock.getRelationService()).thenReturn(relationServiceMock);
+
+        var mockMethodCallsMap = mockEntityServiceCallsCreateEntityIfNotExistsDisabled();
+        mockMethodCallsMap.get(entityType).accept(entity);
+
+        when(relationServiceMock.checkRelationAsync(any(), any(), any(), any(), any())).thenReturn(Futures.immediateFuture(false));
+        when(relationServiceMock.saveRelationAsync(any(), any())).thenReturn(Futures.immediateFuture(true));
+
+        var md = getMetadataWithNameTemplate();
+        var msg = getTbMsg(originatorId, md);
+
+        var msgAfterOriginatorChanged = TbMsg.transformMsgOriginator(msg, originatorId);
+        when(ctxMock.transformMsgOriginator(any(), any())).thenReturn(msgAfterOriginatorChanged);
+
+        // WHEN
+        node.onMsg(ctxMock, msg);
 
-        DeviceId deviceId = new DeviceId(Uuids.timeBased());
+        // THEN
+        var verifyMethodCallsMap = verifyEntityServiceCallsCreateEntityIfNotExistsDisabled();
+        verifyMethodCallsMap.get(entityType).run();
 
-        AssetId assetId = new AssetId(Uuids.timeBased());
-        Asset asset = new Asset();
-        asset.setId(assetId);
+        verify(relationServiceMock).checkRelationAsync(eq(tenantId), eq(originatorId), eq(entityId), eq(EntityRelation.CONTAINS_TYPE), eq(RelationTypeGroup.COMMON));
+        verify(relationServiceMock).saveRelationAsync(eq(tenantId), eq(new EntityRelation(originatorId, entityId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON)));
 
-        when(assetService.findAssetByTenantIdAndName(any(), eq("AssetName"))).thenReturn(asset);
-        when(assetService.findAssetByIdAsync(any(), eq(assetId))).thenReturn(Futures.immediateFuture(asset));
+        verify(ctxMock).transformMsgOriginator(eq(msg), eq(entityId));
+        verify(ctxMock).tellSuccess(eq(msgAfterOriginatorChanged));
+        verify(ctxMock, never()).tellFailure(any(), any());
+        verify(ctxMock).getDbCallbackExecutor();
+        verifyNoMoreInteractions(ctxMock, relationServiceMock);
+    }
+
+    @ParameterizedTest
+    @MethodSource("givenSupportedEntityTypeToCreateEntityIfNotExists_whenOnMsg_thenVerifyConditions")
+    void givenSupportedEntityType_whenOnMsg_thenVerifyRelationAndEntityCreatedAndOutMsgSuccess(HasId entity) throws TbNodeException {
+        // GIVEN
+        var entityId = (EntityId) entity.getId();
+        var entityType = entityId.getEntityType();
+
+        config.setEntityType(entityType);
+        config.setEntityNamePattern("${name}");
+        config.setEntityTypePattern("${type}");
+        config.setCreateEntityIfNotExists(true);
+        config.setChangeOriginatorToRelatedEntity(false);
+        config.setRemoveCurrentRelations(false);
+
+        var nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(config));
+        node.init(ctxMock, nodeConfiguration);
+
+        when(ctxMock.getTenantId()).thenReturn(tenantId);
+        when(ctxMock.getSelfId()).thenReturn(ruleNodeId);
+        when(ctxMock.getDbCallbackExecutor()).thenReturn(dbExecutor);
+        when(ctxMock.getRelationService()).thenReturn(relationServiceMock);
 
-        TbMsgMetaData metaData = new TbMsgMetaData();
-        metaData.putValue("name", "AssetName");
-        metaData.putValue("type", "AssetType");
-        msg = TbMsg.newMsg(TbMsgType.ENTITY_CREATED, deviceId, metaData, TbMsgDataType.JSON, TbMsg.EMPTY_JSON_OBJECT, ruleChainId, ruleNodeId);
+        var mockMethodCallsMap = mockEntityServiceCallsCreateEntityIfNotExistsEnabled();
+        var entityCreatedMsg = TbMsg.newMsg(TbMsgType.ENTITY_CREATED, entityId, TbMsgMetaData.EMPTY, TbMsg.EMPTY_JSON_OBJECT);
+        mockMethodCallsMap.get(entityType).accept(entity, entityCreatedMsg);
 
-        when(ctx.getRelationService().checkRelationAsync(any(), eq(assetId), eq(deviceId), eq(EntityRelation.CONTAINS_TYPE), eq(RelationTypeGroup.COMMON)))
-                .thenReturn(Futures.immediateFuture(false));
-        when(ctx.getRelationService().saveRelationAsync(any(), eq(new EntityRelation(assetId, deviceId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON))))
-                .thenReturn(Futures.immediateFuture(true));
+        when(relationServiceMock.checkRelationAsync(any(), any(), any(), any(), any())).thenReturn(Futures.immediateFuture(false));
+        when(relationServiceMock.saveRelationAsync(any(), any())).thenReturn(Futures.immediateFuture(true));
 
-        node.onMsg(ctx, msg);
-        ArgumentCaptor<TbMsg> msgCaptor = ArgumentCaptor.forClass(TbMsg.class);
-        ArgumentCaptor<EntityId> originatorCaptor = ArgumentCaptor.forClass(EntityId.class);
-        verify(ctx).transformMsgOriginator(msgCaptor.capture(), originatorCaptor.capture());
+        var md = getMetadataWithNameTemplate();
+        var msg = getTbMsg(originatorId, md);
 
-        assertEquals(assetId, originatorCaptor.getValue());
+        // WHEN
+        node.onMsg(ctxMock, msg);
+
+        // THEN
+        var verifyMethodCallsMap = verifyEntityServiceCallsCreateEntityIfNotExistsEnabled();
+        verifyMethodCallsMap.get(entityType).accept(entity, entityCreatedMsg);
+
+        verify(relationServiceMock).checkRelationAsync(eq(tenantId), eq(originatorId), eq(entityId), eq(EntityRelation.CONTAINS_TYPE), eq(RelationTypeGroup.COMMON));
+        verify(relationServiceMock).saveRelationAsync(eq(tenantId), eq(new EntityRelation(originatorId, entityId, EntityRelation.CONTAINS_TYPE, RelationTypeGroup.COMMON)));
+
+        verify(ctxMock).tellSuccess(eq(msg));
+        verify(ctxMock, never()).tellFailure(any(), any());
+        verify(ctxMock).getDbCallbackExecutor();
+        verifyNoMoreInteractions(ctxMock, relationServiceMock);
     }
 
-    public void init(TbCreateRelationNodeConfiguration configuration) throws TbNodeException {
-        TbNodeConfiguration nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(configuration));
+    private Map<EntityType, Consumer<HasId>> mockEntityServiceCallsCreateEntityIfNotExistsDisabled() {
+        return Map.of(
+                EntityType.DEVICE, hasId -> {
+                    var device = (Device) hasId;
+                    when(ctxMock.getDeviceService()).thenReturn(deviceServiceMock);
+                    when(deviceServiceMock.findDeviceByTenantIdAndName(any(), any())).thenReturn(device);
+                },
+                EntityType.ASSET, hasId -> {
+                    var asset = (Asset) hasId;
+                    when(ctxMock.getAssetService()).thenReturn(assetServiceMock);
+                    when(assetServiceMock.findAssetByTenantIdAndName(any(), any())).thenReturn(asset);
+                },
+                EntityType.CUSTOMER, hasId -> {
+                    var customer = (Customer) hasId;
+                    when(ctxMock.getCustomerService()).thenReturn(customerServiceMock);
+                    when(customerServiceMock.findCustomerByTenantIdAndTitle(any(), any())).thenReturn(Optional.ofNullable(customer));
+                },
+                EntityType.ENTITY_VIEW, hasId -> {
+                    var entityView = (EntityView) hasId;
+                    when(ctxMock.getEntityViewService()).thenReturn(entityViewServiceMock);
+                    when(entityViewServiceMock.findEntityViewByTenantIdAndName(any(), any())).thenReturn(entityView);
+                },
+                EntityType.EDGE, hasId -> {
+                    var edge = (Edge) hasId;
+                    when(ctxMock.getEdgeService()).thenReturn(edgeServiceMock);
+                    when(edgeServiceMock.findEdgeByTenantIdAndName(any(), any())).thenReturn(edge);
+                },
+                EntityType.USER, hasId -> {
+                    var user = (User) hasId;
+                    when(ctxMock.getUserService()).thenReturn(userServiceMock);
+                    when(userServiceMock.findUserByTenantIdAndEmail(any(), any())).thenReturn(user);
+                },
+                EntityType.DASHBOARD, hasId -> {
+                    var dashboard = (Dashboard) hasId;
+                    when(ctxMock.getDashboardService()).thenReturn(dashboardServiceMock);
+                    when(dashboardServiceMock.findFirstDashboardInfoByTenantIdAndName(any(), any())).thenReturn(dashboard);
+                },
+                EntityType.TENANT, hasId -> {
+                }
+        );
+    }
 
-        when(ctx.getDbCallbackExecutor()).thenReturn(dbExecutor);
-        when(ctx.getRelationService()).thenReturn(relationService);
-        when(ctx.getAssetService()).thenReturn(assetService);
+    private Map<EntityType, Runnable> verifyEntityServiceCallsCreateEntityIfNotExistsDisabled() {
+        return Map.of(
+                EntityType.DEVICE, () -> {
+                    verify(deviceServiceMock).findDeviceByTenantIdAndName(eq(tenantId), eq("EntityName"));
+                    verifyNoMoreInteractions(deviceServiceMock);
+                },
+                EntityType.ASSET, () -> {
+                    verify(assetServiceMock).findAssetByTenantIdAndName(eq(tenantId), eq("EntityName"));
+                    verifyNoMoreInteractions(assetServiceMock);
+                },
+                EntityType.CUSTOMER, () -> {
+                    verify(customerServiceMock).findCustomerByTenantIdAndTitle(eq(tenantId), eq("EntityName"));
+                    verifyNoMoreInteractions(customerServiceMock);
+                },
+                EntityType.ENTITY_VIEW, () -> {
+                    verify(entityViewServiceMock).findEntityViewByTenantIdAndName(eq(tenantId), eq("EntityName"));
+                    verifyNoMoreInteractions(entityViewServiceMock);
+                },
+                EntityType.EDGE, () -> {
+                    verify(edgeServiceMock).findEdgeByTenantIdAndName(eq(tenantId), eq("EntityName"));
+                    verifyNoMoreInteractions(edgeServiceMock);
+                },
+                EntityType.USER, () -> {
+                    verify(userServiceMock).findUserByTenantIdAndEmail(eq(tenantId), eq("EntityName"));
+                    verifyNoMoreInteractions(userServiceMock);
+                },
+                EntityType.DASHBOARD, () -> {
+                    verify(dashboardServiceMock).findFirstDashboardInfoByTenantIdAndName(eq(tenantId), eq("EntityName"));
+                    verifyNoMoreInteractions(dashboardServiceMock);
+                },
+                EntityType.TENANT, () -> {
+                }
+        );
+    }
+
+    private Map<EntityType, BiConsumer<HasId, TbMsg>> mockEntityServiceCallsCreateEntityIfNotExistsEnabled() {
+        return Map.of(
+                EntityType.DEVICE, (hasId, entityCreatedMsg) -> {
+                    var device = (Device) hasId;
+                    when(ctxMock.getDeviceService()).thenReturn(deviceServiceMock);
+                    when(ctxMock.getClusterService()).thenReturn(clusterServiceMock);
+                    when(deviceServiceMock.findDeviceByTenantIdAndName(any(), any())).thenReturn(null);
+                    when(deviceServiceMock.saveDevice(any())).thenReturn(device);
+                    doAnswer(invocation -> entityCreatedMsg).when(ctxMock).deviceCreatedMsg(any(), any());
+                },
+                EntityType.ASSET, (hasId, entityCreatedMsg) -> {
+                    var asset = (Asset) hasId;
+                    when(ctxMock.getAssetService()).thenReturn(assetServiceMock);
+                    when(assetServiceMock.findAssetByTenantIdAndName(any(), any())).thenReturn(null);
+                    when(assetServiceMock.saveAsset(any())).thenReturn(asset);
+                    doAnswer(invocation -> entityCreatedMsg).when(ctxMock).assetCreatedMsg(any(), any());
+                },
+                EntityType.CUSTOMER, (hasId, entityCreatedMsg) -> {
+                    var customer = (Customer) hasId;
+                    when(ctxMock.getCustomerService()).thenReturn(customerServiceMock);
+                    when(customerServiceMock.findCustomerByTenantIdAndTitle(any(), any())).thenReturn(Optional.empty());
+                    when(customerServiceMock.saveCustomer(any())).thenReturn(customer);
+                    doAnswer(invocation -> entityCreatedMsg).when(ctxMock).customerCreatedMsg(any(), any());
+                }
+        );
+    }
+
+    private Map<EntityType, BiConsumer<HasId, TbMsg>> verifyEntityServiceCallsCreateEntityIfNotExistsEnabled() {
+        return Map.of(
+                EntityType.DEVICE, (hasId, entityCreatedMsg) -> {
+                    var device = (Device) hasId;
+                    verify(deviceServiceMock, times(2)).findDeviceByTenantIdAndName(eq(tenantId), eq("EntityName"));
+                    verify(deviceServiceMock).saveDevice(any());
+                    verify(clusterServiceMock).onDeviceUpdated(eq(device), eq(null));
+                    verify(ctxMock).enqueue(eq(entityCreatedMsg), any(), any());
+                    verifyNoMoreInteractions(deviceServiceMock, clusterServiceMock);
+                },
+                EntityType.ASSET, (hasId, entityCreatedMsg) -> {
+                    verify(assetServiceMock, times(2)).findAssetByTenantIdAndName(eq(tenantId), eq("EntityName"));
+                    verify(assetServiceMock).saveAsset(any());
+                    verify(ctxMock).enqueue(eq(entityCreatedMsg), any(), any());
+                    verifyNoMoreInteractions(assetServiceMock);
+                },
+                EntityType.CUSTOMER, (hasId, entityCreatedMsg) -> {
+                    verify(customerServiceMock, times(2)).findCustomerByTenantIdAndTitle(eq(tenantId), eq("EntityName"));
+                    verify(customerServiceMock).saveCustomer(any());
+                    verify(ctxMock).enqueue(eq(entityCreatedMsg), any(), any());
+                    verifyNoMoreInteractions(customerServiceMock);
+                }
+        );
+    }
+
+    private Map<EntityType, Runnable> mockEntityServiceCallsEntityNotFound() {
+        return Map.of(
+                EntityType.DEVICE, () -> {
+                    when(ctxMock.getDeviceService()).thenReturn(deviceServiceMock);
+                    when(deviceServiceMock.findDeviceByTenantIdAndName(any(), any())).thenReturn(null);
+                },
+                EntityType.ASSET, () -> {
+                    when(ctxMock.getAssetService()).thenReturn(assetServiceMock);
+                    when(assetServiceMock.findAssetByTenantIdAndName(any(), any())).thenReturn(null);
+                },
+                EntityType.CUSTOMER, () -> {
+                    when(ctxMock.getCustomerService()).thenReturn(customerServiceMock);
+                    when(customerServiceMock.findCustomerByTenantIdAndTitle(any(), any())).thenReturn(Optional.empty());
+                },
+                EntityType.ENTITY_VIEW, () -> {
+                    when(ctxMock.getEntityViewService()).thenReturn(entityViewServiceMock);
+                    when(entityViewServiceMock.findEntityViewByTenantIdAndName(any(), any())).thenReturn(null);
+                },
+                EntityType.EDGE, () -> {
+                    when(ctxMock.getEdgeService()).thenReturn(edgeServiceMock);
+                    when(edgeServiceMock.findEdgeByTenantIdAndName(any(), any())).thenReturn(null);
+                },
+                EntityType.USER, () -> {
+                    when(ctxMock.getUserService()).thenReturn(userServiceMock);
+                    when(userServiceMock.findUserByTenantIdAndEmail(any(), any())).thenReturn(null);
+                },
+                EntityType.DASHBOARD, () -> {
+                    when(ctxMock.getDashboardService()).thenReturn(dashboardServiceMock);
+                    when(dashboardServiceMock.findFirstDashboardInfoByTenantIdAndName(any(), any())).thenReturn(null);
+                }
+        );
+    }
 
-        node = new TbCreateRelationNode();
-        node.init(ctx, nodeConfiguration);
+    private TbMsg getTbMsg(EntityId originator, TbMsgMetaData metaData) {
+        return TbMsg.newMsg(TbMsgType.NA, originator, metaData, TbMsg.EMPTY_JSON_OBJECT);
     }
 
-    private TbCreateRelationNodeConfiguration createRelationNodeConfig() {
-        TbCreateRelationNodeConfiguration configuration = new TbCreateRelationNodeConfiguration();
-        configuration.setDirection(EntitySearchDirection.FROM.name());
-        configuration.setRelationType(EntityRelation.CONTAINS_TYPE);
-        configuration.setEntityCacheExpiration(300);
-        configuration.setEntityType(EntityType.ASSET.name());
-        configuration.setEntityNamePattern("${name}");
-        configuration.setEntityTypePattern("${type}");
-        configuration.setCreateEntityIfNotExists(false);
-        configuration.setChangeOriginatorToRelatedEntity(false);
-        configuration.setRemoveCurrentRelations(false);
-        return configuration;
+    private TbMsgMetaData getMetadataWithNameTemplate() {
+        var metaData = new TbMsgMetaData();
+        metaData.putValue("name", "EntityName");
+        return metaData;
     }
 
-    private TbCreateRelationNodeConfiguration createRelationNodeConfigWithRemoveCurrentRelations() {
-        TbCreateRelationNodeConfiguration configuration = createRelationNodeConfig();
-        configuration.setRemoveCurrentRelations(true);
-        return configuration;
+    @Override
+    protected TbNode getTestNode() {
+        return node;
     }
 
-    private TbCreateRelationNodeConfiguration createRelationNodeConfigWithChangeOriginator() {
-        TbCreateRelationNodeConfiguration configuration = createRelationNodeConfig();
-        configuration.setChangeOriginatorToRelatedEntity(true);
-        return configuration;
+    // Rule nodes upgrade
+    private static Stream<Arguments> givenFromVersionAndConfig_whenUpgrade_thenVerifyHasChangesAndConfig() {
+        return Stream.of(
+                // version 0 config, FROM direction.
+                Arguments.of(0,
+                        "{\"direction\":\"FROM\",\"entityType\":\"DEVICE\",\"entityNamePattern\":\"$[name]\"," +
+                                "\"entityTypePattern\":\"$[type]\",\"relationType\":\"Contains\"," +
+                                "\"createEntityIfNotExists\":false,\"removeCurrentRelations\":false," +
+                                "\"changeOriginatorToRelatedEntity\":false,\"entityCacheExpiration\":300}",
+                        true,
+                        "{\"direction\":\"TO\",\"entityType\":\"DEVICE\",\"entityNamePattern\":\"$[name]\"," +
+                                "\"entityTypePattern\":\"$[type]\",\"relationType\":\"Contains\"," +
+                                "\"createEntityIfNotExists\":false,\"removeCurrentRelations\":false," +
+                                "\"changeOriginatorToRelatedEntity\":false}"),
+                // version 0 config, TO direction.
+                Arguments.of(0,
+                        "{\"direction\":\"TO\",\"entityType\":\"DEVICE\",\"entityNamePattern\":\"$[name]\"," +
+                                "\"entityTypePattern\":\"$[type]\",\"relationType\":\"Contains\"," +
+                                "\"createEntityIfNotExists\":false,\"removeCurrentRelations\":false," +
+                                "\"changeOriginatorToRelatedEntity\":false,\"entityCacheExpiration\":300}",
+                        true,
+                        "{\"direction\":\"FROM\",\"entityType\":\"DEVICE\",\"entityNamePattern\":\"$[name]\"," +
+                                "\"entityTypePattern\":\"$[type]\",\"relationType\":\"Contains\"," +
+                                "\"createEntityIfNotExists\":false,\"removeCurrentRelations\":false," +
+                                "\"changeOriginatorToRelatedEntity\":false}"),
+                // config for version 1 with upgrade from version 0
+                Arguments.of(0,
+                        "{\"direction\":\"FROM\",\"entityType\":\"DEVICE\",\"entityNamePattern\":\"$[name]\"," +
+                                "\"entityTypePattern\":\"$[type]\",\"relationType\":\"Contains\"," +
+                                "\"createEntityIfNotExists\":false,\"removeCurrentRelations\":false," +
+                                "\"changeOriginatorToRelatedEntity\":false}",
+                        false,
+                        "{\"direction\":\"FROM\",\"entityType\":\"DEVICE\",\"entityNamePattern\":\"$[name]\"," +
+                                "\"entityTypePattern\":\"$[type]\",\"relationType\":\"Contains\"," +
+                                "\"createEntityIfNotExists\":false,\"removeCurrentRelations\":false," +
+                                "\"changeOriginatorToRelatedEntity\":false}")
+        );
     }
+
 }

rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/action/TbDeleteRelationNodeTest.java

@@ -0,0 +1,604 @@
+/**
+ * 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.rule.engine.action;
+
+import com.google.common.util.concurrent.Futures;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.EnumSource;
+import org.junit.jupiter.params.provider.MethodSource;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.thingsboard.common.util.JacksonUtil;
+import org.thingsboard.common.util.ListeningExecutor;
+import org.thingsboard.rule.engine.AbstractRuleNodeUpgradeTest;
+import org.thingsboard.rule.engine.TestDbCallbackExecutor;
+import org.thingsboard.rule.engine.api.TbContext;
+import org.thingsboard.rule.engine.api.TbNode;
+import org.thingsboard.rule.engine.api.TbNodeConfiguration;
+import org.thingsboard.rule.engine.api.TbNodeException;
+import org.thingsboard.server.common.data.Customer;
+import org.thingsboard.server.common.data.Dashboard;
+import org.thingsboard.server.common.data.Device;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.EntityView;
+import org.thingsboard.server.common.data.Tenant;
+import org.thingsboard.server.common.data.User;
+import org.thingsboard.server.common.data.asset.Asset;
+import org.thingsboard.server.common.data.edge.Edge;
+import org.thingsboard.server.common.data.id.AssetId;
+import org.thingsboard.server.common.data.id.CustomerId;
+import org.thingsboard.server.common.data.id.DashboardId;
+import org.thingsboard.server.common.data.id.DeviceId;
+import org.thingsboard.server.common.data.id.EdgeId;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.id.EntityViewId;
+import org.thingsboard.server.common.data.id.HasId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.msg.TbMsgType;
+import org.thingsboard.server.common.data.relation.EntityRelation;
+import org.thingsboard.server.common.data.relation.EntitySearchDirection;
+import org.thingsboard.server.common.data.relation.RelationTypeGroup;
+import org.thingsboard.server.common.msg.TbMsg;
+import org.thingsboard.server.common.msg.TbMsgMetaData;
+import org.thingsboard.server.dao.asset.AssetService;
+import org.thingsboard.server.dao.customer.CustomerService;
+import org.thingsboard.server.dao.dashboard.DashboardService;
+import org.thingsboard.server.dao.device.DeviceService;
+import org.thingsboard.server.dao.edge.EdgeService;
+import org.thingsboard.server.dao.entityview.EntityViewService;
+import org.thingsboard.server.dao.relation.RelationService;
+import org.thingsboard.server.dao.user.UserService;
+
+import java.util.Arrays;
+import java.util.EnumSet;
+import java.util.List;
+import java.util.Map;
+import java.util.NoSuchElementException;
+import java.util.Optional;
+import java.util.Set;
+import java.util.UUID;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatCode;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anySet;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoInteractions;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
+import static org.mockito.Mockito.when;
+
+@ExtendWith(MockitoExtension.class)
+public class TbDeleteRelationNodeTest extends AbstractRuleNodeUpgradeTest {
+
+    private static final Set<EntityType> supportedEntityTypes = EnumSet.of(EntityType.TENANT, EntityType.DEVICE,
+            EntityType.ASSET, EntityType.CUSTOMER, EntityType.ENTITY_VIEW, EntityType.DASHBOARD, EntityType.EDGE, EntityType.USER);
+
+    private static final String supportedEntityTypesStr = supportedEntityTypes.stream().map(Enum::name).collect(Collectors.joining(" ,"));
+
+    private static final Set<EntityType> unsupportedEntityTypes = Arrays.stream(EntityType.values())
+            .filter(type -> !supportedEntityTypes.contains(type)).collect(Collectors.toUnmodifiableSet());
+
+    private static Stream<Arguments> givenSupportedEntityType_whenOnMsg_thenVerifyEntityNotFoundExceptionThrown() {
+        return supportedEntityTypes.stream().filter(entityType -> !entityType.equals(EntityType.TENANT)).map(Arguments::of);
+    }
+
+    private static final TenantId tenantId = new TenantId(UUID.fromString("6fdb457d-0910-401c-8880-abc251e6a1e2"));
+    private static final DeviceId deviceId = new DeviceId(UUID.fromString("4eef91a7-8865-4c3c-837d-ed6f6577508b"));
+    private static final AssetId assetId = new AssetId(UUID.fromString("f4fd3b10-3f36-4d46-a162-5e62050774cc"));
+    private static final CustomerId customerId = new CustomerId(UUID.fromString("ab890af2-3622-41e0-ac94-14d50af84348"));
+    private static final EntityViewId entityViewId = new EntityViewId(UUID.fromString("39ce8d03-52a3-4aa8-b561-267d1d9d68b5"));
+    private static final EdgeId edgeId = new EdgeId(UUID.fromString("dc4f9809-b6f9-48f9-8057-2737216cfdf7"));
+    private static final DashboardId dashboardId = new DashboardId(UUID.fromString("fda72baa-c882-4723-9693-25995dc37bc5"));
+
+    private static Stream<Arguments> givenSupportedEntityType_whenOnMsg_thenVerifyConditions() {
+        return Stream.of(
+                Arguments.of(new Device(deviceId)),
+                Arguments.of(new Asset(assetId)),
+                Arguments.of(new Customer(customerId)),
+                Arguments.of(new EntityView(entityViewId)),
+                Arguments.of(new Edge(edgeId)),
+                Arguments.of(new Dashboard(dashboardId)),
+                Arguments.of(new Tenant(tenantId))
+        );
+    }
+
+    private final DeviceId originatorId = new DeviceId(UUID.fromString("574c9840-0885-4d12-be69-f557d7471a78"));
+
+    private final ListeningExecutor dbExecutor = new TestDbCallbackExecutor();
+
+    @Mock
+    private TbContext ctxMock;
+    @Mock
+    private AssetService assetServiceMock;
+    @Mock
+    private DeviceService deviceServiceMock;
+    @Mock
+    private EntityViewService entityViewServiceMock;
+    @Mock
+    private CustomerService customerServiceMock;
+    @Mock
+    private EdgeService edgeServiceMock;
+    @Mock
+    private UserService userServiceMock;
+    @Mock
+    private DashboardService dashboardServiceMock;
+    @Mock
+    private RelationService relationServiceMock;
+
+
+    private TbDeleteRelationNode node;
+    private TbDeleteRelationNodeConfiguration config;
+
+    @BeforeEach
+    public void setUp() throws TbNodeException {
+        node = spy(new TbDeleteRelationNode());
+        config = new TbDeleteRelationNodeConfiguration().defaultConfiguration();
+    }
+
+    @Test
+    void givenDefaultConfig_whenVerify_thenOK() {
+        var defaultConfig = new TbDeleteRelationNodeConfiguration().defaultConfiguration();
+        assertThat(defaultConfig.getDirection()).isEqualTo(EntitySearchDirection.FROM);
+        assertThat(defaultConfig.getRelationType()).isEqualTo(EntityRelation.CONTAINS_TYPE);
+        assertThat(defaultConfig.getEntityNamePattern()).isEqualTo("");
+        assertThat(defaultConfig.getEntityTypePattern()).isEqualTo(null);
+        assertThat(defaultConfig.getEntityType()).isEqualTo(null);
+        assertThat(defaultConfig.isDeleteForSingleEntity()).isFalse();
+    }
+
+    @ParameterizedTest
+    @EnumSource(EntityType.class)
+    void givenEntityType_whenInit_thenVerifyExceptionThrownIfTypeIsUnsupported(EntityType entityType) {
+        // GIVEN
+        config.setEntityType(entityType);
+        config.setDeleteForSingleEntity(true);
+        var nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(config));
+
+        // WHEN-THEN
+        if (unsupportedEntityTypes.contains(entityType)) {
+            assertThatThrownBy(() -> node.init(ctxMock, nodeConfiguration))
+                    .isInstanceOf(TbNodeException.class)
+                    .hasMessage("Unsupported entity type '" + entityType +
+                            "'! Only " + supportedEntityTypesStr + " types are allowed.");
+        } else {
+            assertThatCode(() -> node.init(ctxMock, nodeConfiguration)).doesNotThrowAnyException();
+        }
+        verifyNoInteractions(ctxMock);
+    }
+
+    @ParameterizedTest
+    @MethodSource("givenSupportedEntityType_whenOnMsg_thenVerifyEntityNotFoundExceptionThrown")
+    void givenSupportedEntityType_whenOnMsgAndDeleteForSingleEntityIsTrue_thenVerifyEntityNotFoundExceptionThrown(EntityType entityType) throws TbNodeException {
+        // GIVEN
+        config.setEntityType(entityType);
+        config.setEntityNamePattern("${name}");
+        config.setEntityTypePattern("${type}");
+        config.setDeleteForSingleEntity(true);
+
+        var nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(config));
+        node.init(ctxMock, nodeConfiguration);
+
+        when(ctxMock.getTenantId()).thenReturn(tenantId);
+        when(ctxMock.getDbCallbackExecutor()).thenReturn(dbExecutor);
+
+        var mockMethodCallsMap = mockEntityServiceCallsEntityNotFound();
+        mockMethodCallsMap.get(entityType).run();
+
+        var md = getMetadataWithNameTemplate();
+        var msg = getTbMsg(originatorId, md);
+
+        // todo fix TestDbCallbackExecutor exception handling.
+        switch (entityType) {
+            case CUSTOMER -> {
+                node.onMsg(ctxMock, msg);
+                ArgumentCaptor<Throwable> throwableCaptor = ArgumentCaptor.forClass(Throwable.class);
+                verify(ctxMock).tellFailure(eq(msg), throwableCaptor.capture());
+                assertThat(throwableCaptor.getValue())
+                        .isInstanceOf(NoSuchElementException.class)
+                        .hasMessage(EntityType.CUSTOMER.getNormalName() + " with title 'EntityName' doesn't exist!");
+            }
+            case DEVICE, ASSET -> {
+                node.onMsg(ctxMock, msg);
+                ArgumentCaptor<Throwable> throwableCaptor = ArgumentCaptor.forClass(Throwable.class);
+                verify(ctxMock).tellFailure(eq(msg), throwableCaptor.capture());
+                assertThat(throwableCaptor.getValue())
+                        .isInstanceOf(NoSuchElementException.class)
+                        .hasMessage(entityType.getNormalName() + " with name 'EntityName' doesn't exist!");
+            }
+            default -> assertThatThrownBy(() -> node.onMsg(ctxMock, msg))
+                    .isInstanceOf(RuntimeException.class).hasCauseInstanceOf(NoSuchElementException.class);
+        }
+    }
+
+    @ParameterizedTest
+    @MethodSource("givenSupportedEntityType_whenOnMsg_thenVerifyConditions")
+    void givenSupportedEntityType_whenOnMsgAndDeleteForSingleEntityIsTrue_thenVerifyRelationDeletedAndOutMsgSuccess(HasId entity) throws TbNodeException {
+        // GIVEN
+        var entityId = (EntityId) entity.getId();
+        var entityType = entityId.getEntityType();
+
+        config.setEntityType(entityType);
+        config.setEntityNamePattern("${name}");
+        config.setEntityTypePattern("${type}");
+        config.setDeleteForSingleEntity(true);
+
+        var nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(config));
+        node.init(ctxMock, nodeConfiguration);
+
+        when(ctxMock.getTenantId()).thenReturn(tenantId);
+        when(ctxMock.getDbCallbackExecutor()).thenReturn(dbExecutor);
+        when(ctxMock.getRelationService()).thenReturn(relationServiceMock);
+
+        var mockMethodCallsMap = mockEntityServiceCalls();
+        mockMethodCallsMap.get(entityType).accept(entity);
+
+        when(relationServiceMock.checkRelationAsync(any(), any(), any(), any(), any())).thenReturn(Futures.immediateFuture(true));
+        when(relationServiceMock.deleteRelationAsync(any(), any(), any(), any(), any())).thenReturn(Futures.immediateFuture(true));
+
+        var md = getMetadataWithNameTemplate();
+        var msg = getTbMsg(originatorId, md);
+
+        // WHEN
+        node.onMsg(ctxMock, msg);
+
+        // THEN
+        var verifyMethodCallsMap = verifyEntityServiceCalls();
+        verifyMethodCallsMap.get(entityType).accept(entity);
+
+        verify(relationServiceMock).checkRelationAsync(eq(tenantId), eq(originatorId), eq(entityId), eq(EntityRelation.CONTAINS_TYPE), eq(RelationTypeGroup.COMMON));
+        verify(relationServiceMock).deleteRelationAsync(eq(tenantId), eq(originatorId), eq(entityId), eq(EntityRelation.CONTAINS_TYPE), eq(RelationTypeGroup.COMMON));
+
+        verify(ctxMock).tellSuccess(eq(msg));
+        verify(ctxMock, never()).tellNext(any(), anyString());
+        verify(ctxMock, never()).tellNext(any(), anySet());
+        verify(ctxMock, never()).tellFailure(any(), any());
+        verify(ctxMock).getDbCallbackExecutor();
+        verifyNoMoreInteractions(ctxMock, relationServiceMock);
+    }
+
+    @ParameterizedTest
+    @MethodSource("givenSupportedEntityType_whenOnMsg_thenVerifyConditions")
+    void givenSupportedEntityType_whenOnMsgAndDeleteForSingleEntityIsTrue_thenVerifyRelationFailedToDeleteAndOutMsgFailure(HasId entity) throws TbNodeException {
+        // GIVEN
+        var entityId = (EntityId) entity.getId();
+        var entityType = entityId.getEntityType();
+
+        config.setEntityType(entityType);
+        config.setEntityNamePattern("${name}");
+        config.setEntityTypePattern("${type}");
+        config.setDeleteForSingleEntity(true);
+
+        var nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(config));
+        node.init(ctxMock, nodeConfiguration);
+
+        when(ctxMock.getTenantId()).thenReturn(tenantId);
+        when(ctxMock.getDbCallbackExecutor()).thenReturn(dbExecutor);
+        when(ctxMock.getRelationService()).thenReturn(relationServiceMock);
+
+        var mockMethodCallsMap = mockEntityServiceCalls();
+        mockMethodCallsMap.get(entityType).accept(entity);
+
+        when(relationServiceMock.checkRelationAsync(any(), any(), any(), any(), any())).thenReturn(Futures.immediateFuture(true));
+        when(relationServiceMock.deleteRelationAsync(any(), any(), any(), any(), any())).thenReturn(Futures.immediateFuture(false));
+
+        var md = getMetadataWithNameTemplate();
+        var msg = getTbMsg(originatorId, md);
+
+        // WHEN
+        node.onMsg(ctxMock, msg);
+
+        // THEN
+        var verifyMethodCallsMap = verifyEntityServiceCalls();
+        verifyMethodCallsMap.get(entityType).accept(entity);
+
+        verify(relationServiceMock).checkRelationAsync(eq(tenantId), eq(originatorId), eq(entityId), eq(EntityRelation.CONTAINS_TYPE), eq(RelationTypeGroup.COMMON));
+        verify(relationServiceMock).deleteRelationAsync(eq(tenantId), eq(originatorId), eq(entityId), eq(EntityRelation.CONTAINS_TYPE), eq(RelationTypeGroup.COMMON));
+
+        var throwableCaptor = ArgumentCaptor.forClass(Throwable.class);
+        verify(ctxMock).tellFailure(eq(msg), throwableCaptor.capture());
+        verify(ctxMock, never()).tellNext(any(), anyString());
+        verify(ctxMock, never()).tellNext(any(), anySet());
+        verify(ctxMock, never()).tellSuccess(any());
+        verify(ctxMock).getDbCallbackExecutor();
+        verifyNoMoreInteractions(ctxMock, relationServiceMock);
+        assertThat(throwableCaptor.getValue()).isInstanceOf(RuntimeException.class).hasMessage("Failed to delete relation(s) with originator!");
+    }
+
+    @ParameterizedTest
+    @MethodSource("givenSupportedEntityType_whenOnMsg_thenVerifyConditions")
+    void givenSupportedEntityType_whenOnMsgAndDeleteForSingleEntityIsTrue_thenVerifyRelationNotFoundAndOutMsgSuccess(HasId entity) throws TbNodeException {
+        // GIVEN
+        var entityId = (EntityId) entity.getId();
+        var entityType = entityId.getEntityType();
+
+        config.setEntityType(entityType);
+        config.setEntityNamePattern("${name}");
+        config.setEntityTypePattern("${type}");
+        config.setDeleteForSingleEntity(true);
+
+        var nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(config));
+        node.init(ctxMock, nodeConfiguration);
+
+        when(ctxMock.getTenantId()).thenReturn(tenantId);
+        when(ctxMock.getDbCallbackExecutor()).thenReturn(dbExecutor);
+        when(ctxMock.getRelationService()).thenReturn(relationServiceMock);
+
+        var mockMethodCallsMap = mockEntityServiceCalls();
+        mockMethodCallsMap.get(entityType).accept(entity);
+
+        when(relationServiceMock.checkRelationAsync(any(), any(), any(), any(), any())).thenReturn(Futures.immediateFuture(false));
+
+        var md = getMetadataWithNameTemplate();
+        var msg = getTbMsg(originatorId, md);
+
+        // WHEN
+        node.onMsg(ctxMock, msg);
+
+        // THEN
+        var verifyMethodCallsMap = verifyEntityServiceCalls();
+        verifyMethodCallsMap.get(entityType).accept(entity);
+
+        verify(relationServiceMock).checkRelationAsync(eq(tenantId), eq(originatorId), eq(entityId), eq(EntityRelation.CONTAINS_TYPE), eq(RelationTypeGroup.COMMON));
+
+        verify(ctxMock).tellSuccess(eq(msg));
+        verify(ctxMock, never()).tellNext(any(), anyString());
+        verify(ctxMock, never()).tellNext(any(), anySet());
+        verify(ctxMock, never()).tellFailure(any(), any());
+        verify(ctxMock).getDbCallbackExecutor();
+        verifyNoMoreInteractions(ctxMock, relationServiceMock);
+    }
+
+    @Test
+    void givenSupportedEntityType_whenOnMsgAndDeleteForSingleEntityIsFalse_thenVerifyRelationsDeletedAndOutMsgSuccess() throws TbNodeException {
+        // GIVEN
+
+        config.setEntityType(EntityType.DEVICE);
+        config.setEntityNamePattern("${name}");
+        config.setEntityTypePattern("${type}");
+
+        var nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(config));
+        node.init(ctxMock, nodeConfiguration);
+
+        when(ctxMock.getTenantId()).thenReturn(tenantId);
+        when(ctxMock.getRelationService()).thenReturn(relationServiceMock);
+        when(ctxMock.getDbCallbackExecutor()).thenReturn(dbExecutor);
+
+        var relationToDelete = new EntityRelation();
+        when(relationServiceMock.findByFromAndTypeAsync(any(), any(), any(), any())).thenReturn(Futures.immediateFuture(List.of(relationToDelete)));
+        when(relationServiceMock.deleteRelationAsync(any(), any())).thenReturn(Futures.immediateFuture(true));
+
+        var md = getMetadataWithNameTemplate();
+        var msg = getTbMsg(originatorId, md);
+
+        // WHEN
+        node.onMsg(ctxMock, msg);
+
+        verify(relationServiceMock).findByFromAndTypeAsync(eq(tenantId), eq(originatorId), eq(EntityRelation.CONTAINS_TYPE), eq(RelationTypeGroup.COMMON));
+        verify(relationServiceMock).deleteRelationAsync(eq(tenantId), eq(relationToDelete));
+
+        verify(ctxMock).tellSuccess(eq(msg));
+        verify(ctxMock, never()).tellNext(any(), anyString());
+        verify(ctxMock, never()).tellNext(any(), anySet());
+        verify(ctxMock, never()).tellFailure(any(), any());
+        verifyNoMoreInteractions(ctxMock, relationServiceMock);
+    }
+
+
+    @Test
+    void givenSupportedEntityType_whenOnMsgAndDeleteForSingleEntityIsFalse_thenVerifyRelationFailedToDeleteAndOutMsgFailure() throws TbNodeException {
+        // GIVEN
+        config.setEntityType(EntityType.DEVICE);
+        config.setEntityNamePattern("${name}");
+        config.setEntityTypePattern("${type}");
+
+        var nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(config));
+        node.init(ctxMock, nodeConfiguration);
+
+        when(ctxMock.getTenantId()).thenReturn(tenantId);
+        when(ctxMock.getRelationService()).thenReturn(relationServiceMock);
+        when(ctxMock.getDbCallbackExecutor()).thenReturn(dbExecutor);
+
+        var relationToDelete = new EntityRelation();
+        when(relationServiceMock.findByFromAndTypeAsync(any(), any(), any(), any())).thenReturn(Futures.immediateFuture(List.of(relationToDelete)));
+        when(relationServiceMock.deleteRelationAsync(any(), any())).thenReturn(Futures.immediateFuture(false));
+
+        var md = getMetadataWithNameTemplate();
+        var msg = getTbMsg(originatorId, md);
+
+        // WHEN
+        node.onMsg(ctxMock, msg);
+
+        verify(relationServiceMock).findByFromAndTypeAsync(eq(tenantId), eq(originatorId), eq(EntityRelation.CONTAINS_TYPE), eq(RelationTypeGroup.COMMON));
+        verify(relationServiceMock).deleteRelationAsync(eq(tenantId), eq(relationToDelete));
+
+        var throwableCaptor = ArgumentCaptor.forClass(Throwable.class);
+        verify(ctxMock).tellFailure(eq(msg), throwableCaptor.capture());
+        verify(ctxMock, never()).tellNext(any(), anyString());
+        verify(ctxMock, never()).tellNext(any(), anySet());
+        verify(ctxMock, never()).tellSuccess(any());
+        verifyNoMoreInteractions(ctxMock, relationServiceMock);
+        assertThat(throwableCaptor.getValue()).isInstanceOf(RuntimeException.class).hasMessage("Failed to delete relation(s) with originator!");
+    }
+
+
+    private Map<EntityType, Runnable> mockEntityServiceCallsEntityNotFound() {
+        return Map.of(
+                EntityType.DEVICE, () -> {
+                    when(ctxMock.getDeviceService()).thenReturn(deviceServiceMock);
+                    when(deviceServiceMock.findDeviceByTenantIdAndName(any(), any())).thenReturn(null);
+                },
+                EntityType.ASSET, () -> {
+                    when(ctxMock.getAssetService()).thenReturn(assetServiceMock);
+                    when(assetServiceMock.findAssetByTenantIdAndName(any(), any())).thenReturn(null);
+                },
+                EntityType.CUSTOMER, () -> {
+                    when(ctxMock.getCustomerService()).thenReturn(customerServiceMock);
+                    when(customerServiceMock.findCustomerByTenantIdAndTitle(any(), any())).thenReturn(Optional.empty());
+                },
+                EntityType.ENTITY_VIEW, () -> {
+                    when(ctxMock.getEntityViewService()).thenReturn(entityViewServiceMock);
+                    when(entityViewServiceMock.findEntityViewByTenantIdAndName(any(), any())).thenReturn(null);
+                },
+                EntityType.EDGE, () -> {
+                    when(ctxMock.getEdgeService()).thenReturn(edgeServiceMock);
+                    when(edgeServiceMock.findEdgeByTenantIdAndName(any(), any())).thenReturn(null);
+                },
+                EntityType.USER, () -> {
+                    when(ctxMock.getUserService()).thenReturn(userServiceMock);
+                    when(userServiceMock.findUserByTenantIdAndEmail(any(), any())).thenReturn(null);
+                },
+                EntityType.DASHBOARD, () -> {
+                    when(ctxMock.getDashboardService()).thenReturn(dashboardServiceMock);
+                    when(dashboardServiceMock.findFirstDashboardInfoByTenantIdAndName(any(), any())).thenReturn(null);
+                }
+        );
+    }
+
+    private Map<EntityType, Consumer<HasId>> mockEntityServiceCalls() {
+        return Map.of(
+                EntityType.DEVICE, hasId -> {
+                    var device = (Device) hasId;
+                    when(ctxMock.getDeviceService()).thenReturn(deviceServiceMock);
+                    when(deviceServiceMock.findDeviceByTenantIdAndName(any(), any())).thenReturn(device);
+                },
+                EntityType.ASSET, hasId -> {
+                    var asset = (Asset) hasId;
+                    when(ctxMock.getAssetService()).thenReturn(assetServiceMock);
+                    when(assetServiceMock.findAssetByTenantIdAndName(any(), any())).thenReturn(asset);
+                },
+                EntityType.CUSTOMER, hasId -> {
+                    var customer = (Customer) hasId;
+                    when(ctxMock.getCustomerService()).thenReturn(customerServiceMock);
+                    when(customerServiceMock.findCustomerByTenantIdAndTitle(any(), any())).thenReturn(Optional.ofNullable(customer));
+                },
+                EntityType.ENTITY_VIEW, hasId -> {
+                    var entityView = (EntityView) hasId;
+                    when(ctxMock.getEntityViewService()).thenReturn(entityViewServiceMock);
+                    when(entityViewServiceMock.findEntityViewByTenantIdAndName(any(), any())).thenReturn(entityView);
+                },
+                EntityType.EDGE, hasId -> {
+                    var edge = (Edge) hasId;
+                    when(ctxMock.getEdgeService()).thenReturn(edgeServiceMock);
+                    when(edgeServiceMock.findEdgeByTenantIdAndName(any(), any())).thenReturn(edge);
+                },
+                EntityType.USER, hasId -> {
+                    var user = (User) hasId;
+                    when(ctxMock.getUserService()).thenReturn(userServiceMock);
+                    when(userServiceMock.findUserByTenantIdAndEmail(any(), any())).thenReturn(user);
+                },
+                EntityType.DASHBOARD, hasId -> {
+                    var dashboard = (Dashboard) hasId;
+                    when(ctxMock.getDashboardService()).thenReturn(dashboardServiceMock);
+                    when(dashboardServiceMock.findFirstDashboardInfoByTenantIdAndName(any(), any())).thenReturn(dashboard);
+                },
+                EntityType.TENANT, hasId -> {
+                    // do nothing. tenantId returned by ctxMock.
+                }
+        );
+    }
+
+    private Map<EntityType, Consumer<HasId>> verifyEntityServiceCalls() {
+        return Map.of(
+                EntityType.DEVICE, hasId -> {
+                    verify(deviceServiceMock).findDeviceByTenantIdAndName(eq(tenantId), eq("EntityName"));
+                    verifyNoMoreInteractions(deviceServiceMock);
+                },
+                EntityType.ASSET, hasId -> {
+                    verify(assetServiceMock).findAssetByTenantIdAndName(eq(tenantId), eq("EntityName"));
+                    verifyNoMoreInteractions(assetServiceMock);
+                },
+                EntityType.CUSTOMER, hasId -> {
+                    verify(customerServiceMock).findCustomerByTenantIdAndTitle(eq(tenantId), eq("EntityName"));
+                    verifyNoMoreInteractions(customerServiceMock);
+                },
+                EntityType.ENTITY_VIEW, hasId -> {
+                    verify(entityViewServiceMock).findEntityViewByTenantIdAndName(eq(tenantId), eq("EntityName"));
+                    verifyNoMoreInteractions(entityViewServiceMock);
+                },
+                EntityType.EDGE, hasId -> {
+                    verify(edgeServiceMock).findEdgeByTenantIdAndName(eq(tenantId), eq("EntityName"));
+                    verifyNoMoreInteractions(edgeServiceMock);
+                },
+                EntityType.USER, hasId -> {
+                    verify(userServiceMock).findUserByTenantIdAndEmail(eq(tenantId), eq("EntityName"));
+                    verifyNoMoreInteractions(userServiceMock);
+                },
+                EntityType.DASHBOARD, hasId -> {
+                    verify(dashboardServiceMock).findFirstDashboardInfoByTenantIdAndName(eq(tenantId), eq("EntityName"));
+                    verifyNoMoreInteractions(dashboardServiceMock);
+                },
+                EntityType.TENANT, hasId -> {
+                }
+        );
+    }
+
+    private TbMsg getTbMsg(EntityId originator, TbMsgMetaData metaData) {
+        return TbMsg.newMsg(TbMsgType.NA, originator, metaData, TbMsg.EMPTY_JSON_OBJECT);
+    }
+
+    private TbMsgMetaData getMetadataWithNameTemplate() {
+        var metaData = new TbMsgMetaData();
+        metaData.putValue("name", "EntityName");
+        return metaData;
+    }
+
+
+    @Override
+    protected TbNode getTestNode() {
+        return node;
+    }
+
+    // Rule nodes upgrade
+    private static Stream<Arguments> givenFromVersionAndConfig_whenUpgrade_thenVerifyHasChangesAndConfig() {
+        return Stream.of(
+                // version 0 config, FROM direction.
+                Arguments.of(0,
+                        "{\"deleteForSingleEntity\":true,\"direction\":\"FROM\",\"entityType\":\"DEVICE\"," +
+                                "\"entityNamePattern\":\"$[name]\",\"relationType\":\"Contains\",\"entityCacheExpiration\":300}",
+                        true,
+                        "{\"deleteForSingleEntity\":true,\"direction\":\"TO\",\"entityType\":\"DEVICE\"," +
+                                "\"entityNamePattern\":\"$[name]\",\"relationType\":\"Contains\"}"),
+                // version 0 config, TO direction.
+                Arguments.of(0,
+                        "{\"deleteForSingleEntity\":true,\"direction\":\"TO\",\"entityType\":\"DEVICE\"," +
+                                "\"entityNamePattern\":\"$[name]\",\"relationType\":\"Contains\",\"entityCacheExpiration\":300}",
+                        true,
+                        "{\"deleteForSingleEntity\":true,\"direction\":\"FROM\",\"entityType\":\"DEVICE\"," +
+                                "\"entityNamePattern\":\"$[name]\",\"relationType\":\"Contains\"}"),
+                // config for version 1 with upgrade from version 0
+                Arguments.of(0,
+                        "{\"deleteForSingleEntity\":true,\"direction\":\"FROM\",\"entityType\":\"DEVICE\"," +
+                                "\"entityNamePattern\":\"$[name]\",\"relationType\":\"Contains\"}",
+                        false,
+                        "{\"deleteForSingleEntity\":true,\"direction\":\"FROM\",\"entityType\":\"DEVICE\"," +
+                                "\"entityNamePattern\":\"$[name]\",\"relationType\":\"Contains\"}")
+        );
+    }
+
+}

rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/action/TbUnassignFromCustomerNodeTest.java

@@ -0,0 +1,313 @@
+/**
+ * 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.rule.engine.action;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.Arguments;
+import org.junit.jupiter.params.provider.MethodSource;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import org.thingsboard.common.util.JacksonUtil;
+import org.thingsboard.common.util.ListeningExecutor;
+import org.thingsboard.rule.engine.AbstractRuleNodeUpgradeTest;
+import org.thingsboard.rule.engine.TestDbCallbackExecutor;
+import org.thingsboard.rule.engine.api.TbContext;
+import org.thingsboard.rule.engine.api.TbNode;
+import org.thingsboard.rule.engine.api.TbNodeConfiguration;
+import org.thingsboard.rule.engine.api.TbNodeException;
+import org.thingsboard.server.common.data.Customer;
+import org.thingsboard.server.common.data.Dashboard;
+import org.thingsboard.server.common.data.Device;
+import org.thingsboard.server.common.data.EntityType;
+import org.thingsboard.server.common.data.EntityView;
+import org.thingsboard.server.common.data.StringUtils;
+import org.thingsboard.server.common.data.asset.Asset;
+import org.thingsboard.server.common.data.edge.Edge;
+import org.thingsboard.server.common.data.id.AssetId;
+import org.thingsboard.server.common.data.id.CustomerId;
+import org.thingsboard.server.common.data.id.DashboardId;
+import org.thingsboard.server.common.data.id.DeviceId;
+import org.thingsboard.server.common.data.id.EdgeId;
+import org.thingsboard.server.common.data.id.EntityId;
+import org.thingsboard.server.common.data.id.EntityIdFactory;
+import org.thingsboard.server.common.data.id.EntityViewId;
+import org.thingsboard.server.common.data.id.TenantId;
+import org.thingsboard.server.common.data.msg.TbMsgType;
+import org.thingsboard.server.common.msg.TbMsg;
+import org.thingsboard.server.common.msg.TbMsgMetaData;
+import org.thingsboard.server.dao.asset.AssetService;
+import org.thingsboard.server.dao.customer.CustomerService;
+import org.thingsboard.server.dao.dashboard.DashboardService;
+import org.thingsboard.server.dao.device.DeviceService;
+import org.thingsboard.server.dao.edge.EdgeService;
+import org.thingsboard.server.dao.entityview.EntityViewService;
+
+import java.util.Arrays;
+import java.util.EnumSet;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+import java.util.UUID;
+import java.util.function.Consumer;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoInteractions;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
+import static org.mockito.Mockito.when;
+
+@ExtendWith(MockitoExtension.class)
+class TbUnassignFromCustomerNodeTest extends AbstractRuleNodeUpgradeTest {
+
+    private static final Set<EntityType> supportedEntityTypes = EnumSet.of(EntityType.DEVICE, EntityType.ASSET,
+            EntityType.ENTITY_VIEW, EntityType.EDGE, EntityType.DASHBOARD);
+
+    private static final String supportedEntityTypesStr = supportedEntityTypes.stream().map(Enum::name).collect(Collectors.joining(", "));
+
+    private static final Set<EntityType> unsupportedEntityTypes = Arrays.stream(EntityType.values())
+            .filter(type -> !supportedEntityTypes.contains(type)).collect(Collectors.toUnmodifiableSet());
+
+    private final Device DEVICE = new Device();
+    private final Asset ASSET = new Asset();
+    private final EntityView ENTITY_VIEW = new EntityView();
+    private final Edge EDGE = new Edge();
+    private final Dashboard DASHBOARD = new Dashboard();
+
+    private final TenantId TENANT_ID = new TenantId(UUID.fromString("06fcc15f-2677-436d-a1cb-7754bd0bcccf"));
+
+    private final ListeningExecutor DB_EXECUTOR = new TestDbCallbackExecutor();
+
+    private static Stream<Arguments> givenUnsupportedOriginatorType_whenOnMsg_thenVerifyExceptionThrown() {
+        return unsupportedEntityTypes.stream().flatMap(type -> Stream.of(Arguments.of(type)));
+    }
+
+    private static Stream<Arguments> givenSupportedOriginatorTypeAndCustomerTitle_whenOnMsg_thenVerifySuccessOutMsg() {
+        return supportedEntityTypes.stream()
+                .flatMap(type -> Stream.of(Arguments.of(type, StringUtils.randomAlphabetic(5))));
+    }
+
+    private TbUnassignFromCustomerNode node;
+    private TbUnassignFromCustomerNodeConfiguration config;
+
+    @Mock
+    private TbContext ctxMock;
+
+    @Mock
+    private CustomerService customerServiceMock;
+
+    @Mock
+    private DeviceService deviceServiceMock;
+
+    @Mock
+    private AssetService assetServiceMock;
+
+    @Mock
+    private EntityViewService entityViewServiceMock;
+
+    @Mock
+    private EdgeService edgeServiceMock;
+
+    @Mock
+    private DashboardService dashboardServiceMock;
+
+    @BeforeEach
+    public void setUp() throws TbNodeException {
+        node = spy(new TbUnassignFromCustomerNode());
+        config = new TbUnassignFromCustomerNodeConfiguration().defaultConfiguration();
+    }
+
+    @Override
+    protected TbNode getTestNode() {
+        return node;
+    }
+
+    @Test
+    void givenDefaultConfig_whenVerify_thenOK() {
+        var defaultConfig = new TbUnassignFromCustomerNodeConfiguration().defaultConfiguration();
+        assertThat(defaultConfig.getCustomerNamePattern()).isEmpty();
+    }
+
+    @ParameterizedTest
+    @MethodSource
+    void givenUnsupportedOriginatorType_whenOnMsg_thenVerifyExceptionThrown(EntityType originatorType) {
+        // GIVEN
+        var originator = toOriginator(originatorType);
+        var msg = getTbMsg(originator);
+
+        // WHEN
+        var exception = assertThrows(RuntimeException.class, () -> node.onMsg(ctxMock, msg));
+
+        // THEN
+        assertThat(exception.getMessage()).isEqualTo("Unsupported originator type '" + originatorType +
+                "'! Only " + supportedEntityTypesStr + " types are allowed.");
+        verifyNoInteractions(ctxMock);
+        verifyNoInteractions(customerServiceMock);
+    }
+
+    @ParameterizedTest
+    @MethodSource("givenSupportedOriginatorTypeAndCustomerTitle_whenOnMsg_thenVerifySuccessOutMsg")
+    void givenSupportedOriginatorTypeAndCustomerTitle_whenOnMsg_thenVerifySuccessOutMsg(EntityType type, String customerTitle) throws TbNodeException {
+        // GIVEN
+
+        when(ctxMock.getTenantId()).thenReturn(TENANT_ID);
+        when(ctxMock.getDbCallbackExecutor()).thenReturn(DB_EXECUTOR);
+
+        config.setCustomerNamePattern(customerTitle);
+        var nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(config));
+        node.init(ctxMock, nodeConfiguration);
+
+        var originator = toOriginator(type);
+        var msg = getTbMsg(originator);
+
+        // we search for the customer only if incoming message originator is dashboard.
+        if (type.equals(EntityType.DASHBOARD)) {
+            when(ctxMock.getCustomerService()).thenReturn(customerServiceMock);
+            var customer = createCustomer(customerTitle);
+            when(customerServiceMock.findCustomerByTenantIdAndTitle(eq(TENANT_ID), eq(customerTitle))).thenReturn(Optional.of(customer));
+        }
+        Map<EntityType, Consumer<EntityId>> entityTypeToEntityIdConsumerMap = mockMethodCallsForSupportedTypes();
+        entityTypeToEntityIdConsumerMap.get(type).accept(originator);
+
+        // WHEN
+        node.onMsg(ctxMock, msg);
+
+        // THEN
+        verifyMsgSuccess(msg);
+        verifyNoMoreInteractions(ctxMock);
+    }
+
+    @ParameterizedTest
+    @MethodSource("givenSupportedOriginatorTypeAndCustomerTitle_whenOnMsg_thenVerifySuccessOutMsg")
+    void givenSupportedOriginatorTypeAndCustomerTitle_whenOnMsg_thenVerifyCustomerSearchedAndNotFoundOnlyForDashboardOriginator(EntityType type, String customerTitle) throws TbNodeException {
+        // GIVEN
+
+        when(ctxMock.getTenantId()).thenReturn(TENANT_ID);
+        when(ctxMock.getDbCallbackExecutor()).thenReturn(DB_EXECUTOR);
+
+        config.setCustomerNamePattern(customerTitle);
+        var nodeConfiguration = new TbNodeConfiguration(JacksonUtil.valueToTree(config));
+        node.init(ctxMock, nodeConfiguration);
+
+        var originator = toOriginator(type);
+        var msg = getTbMsg(originator);
+
+        // we search for the customer only if incoming message originator is dashboard.
+        if (type.equals(EntityType.DASHBOARD)) {
+            when(ctxMock.getCustomerService()).thenReturn(customerServiceMock);
+            when(customerServiceMock.findCustomerByTenantIdAndTitle(eq(TENANT_ID), eq(customerTitle))).thenReturn(Optional.empty());
+
+            // DASHBOARD WHEN
+            node.onMsg(ctxMock, msg);
+
+            // DASHBOARD THEN
+            ArgumentCaptor<Throwable> throwableCaptor = ArgumentCaptor.forClass(Throwable.class);
+            verify(ctxMock).tellFailure(eq(msg), throwableCaptor.capture());
+            assertThat(throwableCaptor.getValue()).hasMessage("Customer with title '" + customerTitle + "' doesn't exist!");
+
+            verifyNoMoreInteractions(customerServiceMock);
+            verifyNoMoreInteractions(ctxMock);
+            return;
+        }
+        Map<EntityType, Consumer<EntityId>> entityTypeToEntityIdConsumerMap = mockMethodCallsForSupportedTypes();
+        entityTypeToEntityIdConsumerMap.get(type).accept(originator);
+
+        // OTHER TYPES WHEN
+        node.onMsg(ctxMock, msg);
+
+        // OTHER TYPES THEN
+        verifyMsgSuccess(msg);
+        verifyNoMoreInteractions(ctxMock);
+    }
+
+    private Map<EntityType, Consumer<EntityId>> mockMethodCallsForSupportedTypes() {
+        return Map.of(
+                EntityType.DEVICE, id -> {
+                    when(ctxMock.getDeviceService()).thenReturn(deviceServiceMock);
+                    when(deviceServiceMock.unassignDeviceFromCustomer(eq(TENANT_ID), (DeviceId) eq(id)))
+                            .thenReturn(DEVICE);
+                },
+                EntityType.ASSET, id -> {
+                    when(ctxMock.getAssetService()).thenReturn(assetServiceMock);
+                    when(assetServiceMock.unassignAssetFromCustomer(eq(TENANT_ID), (AssetId) eq(id)))
+                            .thenReturn(ASSET);
+                },
+                EntityType.ENTITY_VIEW, id -> {
+                    when(ctxMock.getEntityViewService()).thenReturn(entityViewServiceMock);
+                    when(entityViewServiceMock.unassignEntityViewFromCustomer(eq(TENANT_ID), (EntityViewId) eq(id)))
+                            .thenReturn(ENTITY_VIEW);
+                },
+                EntityType.EDGE, id -> {
+                    when(ctxMock.getEdgeService()).thenReturn(edgeServiceMock);
+                    when(edgeServiceMock.unassignEdgeFromCustomer(eq(TENANT_ID), (EdgeId) eq(id)))
+                            .thenReturn(EDGE);
+                },
+                EntityType.DASHBOARD, id -> {
+                    when(ctxMock.getDashboardService()).thenReturn(dashboardServiceMock);
+                    when(dashboardServiceMock.unassignDashboardFromCustomer(eq(TENANT_ID), (DashboardId) eq(id), any()))
+                            .thenReturn(DASHBOARD);
+                }
+        );
+    }
+
+    private void verifyMsgSuccess(TbMsg expectedMsg) {
+        verify(ctxMock).tellSuccess(eq(expectedMsg));
+        verify(ctxMock, never()).tellFailure(any(), any());
+    }
+
+    private Customer createCustomer(String customerTitle) {
+        var customer = new Customer();
+        customer.setTitle(customerTitle);
+        customer.setId(new CustomerId(UUID.randomUUID()));
+        customer.setTenantId(TENANT_ID);
+        return customer;
+    }
+
+    private TbMsg getTbMsg(EntityId originator) {
+        return TbMsg.newMsg(TbMsgType.NA, originator, TbMsgMetaData.EMPTY, TbMsg.EMPTY_JSON_OBJECT);
+    }
+
+    private static EntityId toOriginator(EntityType type) {
+        return EntityIdFactory.getByTypeAndId(type.name(), UUID.randomUUID().toString());
+    }
+
+    // Rule nodes upgrade
+    private static Stream<Arguments> givenFromVersionAndConfig_whenUpgrade_thenVerifyHasChangesAndConfig() {
+        return Stream.of(
+                // default config for version 0
+                Arguments.of(0,
+                        "{\"customerNamePattern\":\"\",\"customerCacheExpiration\":300}",
+                        true,
+                        "{\"customerNamePattern\":\"\"}"),
+                // default config for version 1 with upgrade from version 0
+                Arguments.of(0,
+                        "{\"customerNamePattern\":\"\"}",
+                        false,
+                        "{\"customerNamePattern\":\"\"}")
+        );
+    }
+
+}

rule-engine/rule-engine-components/src/test/java/org/thingsboard/rule/engine/filter/TbCheckRelationNodeTest.java

@@ -20,10 +20,13 @@ import com.google.common.util.concurrent.Futures;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.provider.Arguments;
 import org.mockito.ArgumentCaptor;
 import org.thingsboard.common.util.JacksonUtil;
+import org.thingsboard.rule.engine.AbstractRuleNodeUpgradeTest;
 import org.thingsboard.rule.engine.TestDbCallbackExecutor;
 import org.thingsboard.rule.engine.api.TbContext;
+import org.thingsboard.rule.engine.api.TbNode;
 import org.thingsboard.rule.engine.api.TbNodeConfiguration;
 import org.thingsboard.rule.engine.api.TbNodeException;
 import org.thingsboard.server.common.data.id.AssetId;
@@ -42,6 +45,7 @@ import org.thingsboard.server.dao.relation.RelationService;
 import java.util.Collections;
 import java.util.List;
 import java.util.UUID;
+import java.util.stream.Stream;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.junit.jupiter.api.Assertions.assertEquals;
@@ -52,16 +56,17 @@ import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
-class TbCheckRelationNodeTest {
+class TbCheckRelationNodeTest extends AbstractRuleNodeUpgradeTest {
 
-    private static final TenantId TENANT_ID = new TenantId(UUID.randomUUID());
-    private static final DeviceId ORIGINATOR_ID = new DeviceId(UUID.randomUUID());
-    private static final TestDbCallbackExecutor DB_EXECUTOR = new TestDbCallbackExecutor();
-    private static final TbMsg EMPTY_POST_ATTRIBUTES_MSG = TbMsg.newMsg(TbMsgType.POST_ATTRIBUTES_REQUEST, ORIGINATOR_ID, TbMsgMetaData.EMPTY, TbMsg.EMPTY_JSON_OBJECT);
+    private final TenantId TENANT_ID = new TenantId(UUID.randomUUID());
+    private final DeviceId ORIGINATOR_ID = new DeviceId(UUID.randomUUID());
+    private final TestDbCallbackExecutor DB_EXECUTOR = new TestDbCallbackExecutor();
+    private final TbMsg EMPTY_POST_ATTRIBUTES_MSG = TbMsg.newMsg(TbMsgType.POST_ATTRIBUTES_REQUEST, ORIGINATOR_ID, TbMsgMetaData.EMPTY, TbMsg.EMPTY_JSON_OBJECT);
 
     private TbCheckRelationNode node;
 
@@ -77,7 +82,7 @@ class TbCheckRelationNodeTest {
         when(ctx.getRelationService()).thenReturn(relationService);
         when(ctx.getDbCallbackExecutor()).thenReturn(DB_EXECUTOR);
 
-        node = new TbCheckRelationNode();
+        node = spy(new TbCheckRelationNode());
     }
 
     @AfterEach
@@ -310,4 +315,24 @@ class TbCheckRelationNodeTest {
         assertEquals(config, JacksonUtil.treeToValue(upgrade.getSecond(), config.getClass()));
     }
 
+    // Rule nodes upgrade
+    private static Stream<Arguments> givenFromVersionAndConfig_whenUpgrade_thenVerifyHasChangesAndConfig() {
+        return Stream.of(
+                // version 0 config, FROM direction.
+                Arguments.of(0,
+                        "{\"checkForSingleEntity\":true,\"direction\":\"FROM\",\"entityType\":\"DEVICE\",\"entityId\":\"1943b1eb-2811-4373-846d-6ca2f527bf9e\",\"relationType\":\"Contains\"}",
+                        true,
+                        "{\"checkForSingleEntity\":true,\"direction\":\"TO\",\"entityType\":\"DEVICE\",\"entityId\":\"1943b1eb-2811-4373-846d-6ca2f527bf9e\",\"relationType\":\"Contains\"}"),
+                // version 0 config, TO direction.
+                Arguments.of(0,
+                        "{\"checkForSingleEntity\":true,\"direction\":\"TO\",\"entityType\":\"DEVICE\",\"entityId\":\"1943b1eb-2811-4373-846d-6ca2f527bf9e\",\"relationType\":\"Contains\"}",
+                        true,
+                        "{\"checkForSingleEntity\":true,\"direction\":\"FROM\",\"entityType\":\"DEVICE\",\"entityId\":\"1943b1eb-2811-4373-846d-6ca2f527bf9e\",\"relationType\":\"Contains\"}")
+        );
+    }
+
+    @Override
+    protected TbNode getTestNode() {
+        return node;
+    }
 }