thingsboard-aplcache

diff --git a/dao/src/main/java/org/thingsboard/server/dao/model/sql/AttributeKvCompositeKey.java b/dao/src/main/java/org/thingsboard/server/dao/model/sql/AttributeKvCompositeKey.java
index 3001e12..1c9f17a 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/model/sql/AttributeKvCompositeKey.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/model/sql/AttributeKvCompositeKey.java
@@ -20,14 +20,29 @@ import lombok.Data;
 import lombok.NoArgsConstructor;
 import org.thingsboard.server.common.data.EntityType;
 
+import javax.persistence.Column;
+import javax.persistence.Embeddable;
+import javax.persistence.EnumType;
+import javax.persistence.Enumerated;
 import java.io.Serializable;
 
+import static org.thingsboard.server.dao.model.ModelConstants.ATTRIBUTE_KEY_COLUMN;
+import static org.thingsboard.server.dao.model.ModelConstants.ATTRIBUTE_TYPE_COLUMN;
+import static org.thingsboard.server.dao.model.ModelConstants.ENTITY_ID_COLUMN;
+import static org.thingsboard.server.dao.model.ModelConstants.ENTITY_TYPE_COLUMN;
+
 @Data
 @AllArgsConstructor
 @NoArgsConstructor
+@Embeddable
 public class AttributeKvCompositeKey implements Serializable {
+    @Enumerated(EnumType.STRING)
+    @Column(name = ENTITY_TYPE_COLUMN)
     private EntityType entityType;
+    @Column(name = ENTITY_ID_COLUMN)
     private String entityId;
+    @Column(name = ATTRIBUTE_TYPE_COLUMN)
     private String attributeType;
+    @Column(name = ATTRIBUTE_KEY_COLUMN)
     private String attributeKey;
 }

diff --git a/dao/src/main/java/org/thingsboard/server/dao/model/sql/AttributeKvEntity.java b/dao/src/main/java/org/thingsboard/server/dao/model/sql/AttributeKvEntity.java
index 587a314..515c86c 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/model/sql/AttributeKvEntity.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/model/sql/AttributeKvEntity.java
@@ -27,6 +27,7 @@ import org.thingsboard.server.common.data.kv.StringDataEntry;
 import org.thingsboard.server.dao.model.ToData;
 
 import javax.persistence.Column;
+import javax.persistence.EmbeddedId;
 import javax.persistence.Entity;
 import javax.persistence.EnumType;
 import javax.persistence.Enumerated;
@@ -48,25 +49,10 @@ import static org.thingsboard.server.dao.model.ModelConstants.STRING_VALUE_COLUM
 @Data
 @Entity
 @Table(name = "attribute_kv")
-@IdClass(AttributeKvCompositeKey.class)
 public class AttributeKvEntity implements ToData<AttributeKvEntry>, Serializable {
 
-    @Id
-    @Enumerated(EnumType.STRING)
-    @Column(name = ENTITY_TYPE_COLUMN)
-    private EntityType entityType;
-
-    @Id
-    @Column(name = ENTITY_ID_COLUMN)
-    private String entityId;
-
-    @Id
-    @Column(name = ATTRIBUTE_TYPE_COLUMN)
-    private String attributeType;
-
-    @Id
-    @Column(name = ATTRIBUTE_KEY_COLUMN)
-    private String attributeKey;
+    @EmbeddedId
+    private AttributeKvCompositeKey id;
 
     @Column(name = BOOLEAN_VALUE_COLUMN)
     private Boolean booleanValue;
@@ -87,13 +73,13 @@ public class AttributeKvEntity implements ToData<AttributeKvEntry>, Serializable
     public AttributeKvEntry toData() {
         KvEntry kvEntry = null;
         if (strValue != null) {
-            kvEntry = new StringDataEntry(attributeKey, strValue);
+            kvEntry = new StringDataEntry(id.getAttributeKey(), strValue);
         } else if (booleanValue != null) {
-            kvEntry = new BooleanDataEntry(attributeKey, booleanValue);
+            kvEntry = new BooleanDataEntry(id.getAttributeKey(), booleanValue);
         } else if (doubleValue != null) {
-            kvEntry = new DoubleDataEntry(attributeKey, doubleValue);
+            kvEntry = new DoubleDataEntry(id.getAttributeKey(), doubleValue);
         } else if (longValue != null) {
-            kvEntry = new LongDataEntry(attributeKey, longValue);
+            kvEntry = new LongDataEntry(id.getAttributeKey(), longValue);
         }
         return new BaseAttributeKvEntry(kvEntry, lastUpdateTs);
     }

diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/attributes/AttributeKvRepository.java b/dao/src/main/java/org/thingsboard/server/dao/sql/attributes/AttributeKvRepository.java
index c76cefe..d716886 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/attributes/AttributeKvRepository.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/attributes/AttributeKvRepository.java
@@ -15,7 +15,9 @@
  */
 package org.thingsboard.server.dao.sql.attributes;
 
+import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.repository.query.Param;
 import org.thingsboard.server.common.data.EntityType;
 import org.thingsboard.server.dao.model.sql.AttributeKvCompositeKey;
 import org.thingsboard.server.dao.model.sql.AttributeKvEntity;
@@ -26,8 +28,11 @@ import java.util.List;
 @SqlDao
 public interface AttributeKvRepository extends CrudRepository<AttributeKvEntity, AttributeKvCompositeKey> {
 
-    List<AttributeKvEntity> findAllByEntityTypeAndEntityIdAndAttributeType(EntityType entityType,
-                                                                           String entityId,
-                                                                           String attributeType);
+    @Query("SELECT a FROM AttributeKvEntity a WHERE a.id.entityType = :entityType " +
+            "AND a.id.entityId = :entityId " +
+            "AND a.id.attributeType = :attributeType")
+    List<AttributeKvEntity> findAllByEntityTypeAndEntityIdAndAttributeType(@Param("entityType") EntityType entityType,
+                                                                           @Param("entityId") String entityId,
+                                                                           @Param("attributeType") String attributeType);
 }
 

diff --git a/dao/src/main/java/org/thingsboard/server/dao/sql/attributes/JpaAttributeDao.java b/dao/src/main/java/org/thingsboard/server/dao/sql/attributes/JpaAttributeDao.java
index 0dabf4c..4ac0c0c 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/sql/attributes/JpaAttributeDao.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/sql/attributes/JpaAttributeDao.java
@@ -79,10 +79,7 @@ public class JpaAttributeDao extends JpaAbstractDaoListeningExecutorService impl
     @Override
     public ListenableFuture<Void> save(EntityId entityId, String attributeType, AttributeKvEntry attribute) {
         AttributeKvEntity entity = new AttributeKvEntity();
-        entity.setEntityType(entityId.getEntityType());
-        entity.setEntityId(fromTimeUUID(entityId.getId()));
-        entity.setAttributeType(attributeType);
-        entity.setAttributeKey(attribute.getKey());
+        entity.setId(new AttributeKvCompositeKey(entityId.getEntityType(), fromTimeUUID(entityId.getId()), attributeType, attribute.getKey()));
         entity.setLastUpdateTs(attribute.getLastUpdateTs());
         entity.setStrValue(attribute.getStrValue().orElse(null));
         entity.setDoubleValue(attribute.getDoubleValue().orElse(null));
@@ -100,10 +97,7 @@ public class JpaAttributeDao extends JpaAbstractDaoListeningExecutorService impl
                 .stream()
                 .map(key -> {
                     AttributeKvEntity entityToDelete = new AttributeKvEntity();
-                    entityToDelete.setEntityType(entityId.getEntityType());
-                    entityToDelete.setEntityId(fromTimeUUID(entityId.getId()));
-                    entityToDelete.setAttributeType(attributeType);
-                    entityToDelete.setAttributeKey(key);
+                    entityToDelete.setId(new AttributeKvCompositeKey(entityId.getEntityType(), fromTimeUUID(entityId.getId()), attributeType, key));
                     return entityToDelete;
                 }).collect(Collectors.toList());