Save and flush device during transaction to trigger constraint validation.

@@ -55,6 +55,14 @@ public interface DeviceDao extends Dao<Device>, TenantEntityDao {
     Device save(TenantId tenantId, Device device);
 
     /**
+     * Save or update device object
+     *
+     * @param device the device object
+     * @return saved device object
+     */
+    Device saveAndFlush(TenantId tenantId, Device device);
+
+    /**
      * Find devices by tenantId and page link.
      *
      * @param tenantId the tenantId

@@ -268,7 +268,7 @@ public class DeviceServiceImpl extends AbstractEntityService implements DeviceSe
             }
             device.setType(deviceProfile.getName());
             device.setDeviceData(syncDeviceData(deviceProfile, device.getDeviceData()));
-            return deviceDao.save(device.getTenantId(), device);
+            return deviceDao.saveAndFlush(device.getTenantId(), device);
         } catch (Exception t) {
             ConstraintViolationException e = extractConstraintViolationException(t).orElse(null);
             if (e != null && e.getConstraintName() != null && e.getConstraintName().equalsIgnoreCase("device_name_unq_key")) {

@@ -17,6 +17,7 @@ package org.thingsboard.server.dao.sql.device;
 
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
+import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.PagingAndSortingRepository;
 import org.springframework.data.repository.query.Param;
@@ -30,7 +31,7 @@ import java.util.UUID;
 /**
  * Created by Valerii Sosliuk on 5/6/2017.
  */
-public interface DeviceRepository extends PagingAndSortingRepository<DeviceEntity, UUID> {
+public interface DeviceRepository extends JpaRepository<DeviceEntity, UUID> {
 
     @Query("SELECT new org.thingsboard.server.dao.model.sql.DeviceInfoEntity(d, c.title, c.additionalInfo, p.name) " +
             "FROM DeviceEntity d " +

@@ -22,6 +22,7 @@ import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
 import org.springframework.data.repository.CrudRepository;
 import org.springframework.stereotype.Component;
+import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.StringUtils;
 import org.thingsboard.server.common.data.Device;
 import org.thingsboard.server.common.data.DeviceInfo;
@@ -72,6 +73,14 @@ public class JpaDeviceDao extends JpaAbstractSearchTextDao<DeviceEntity, Device>
     }
 
     @Override
+    @Transactional
+    public Device saveAndFlush(TenantId tenantId, Device device) {
+        Device result = this.save(tenantId, device);
+        deviceRepository.flush();
+        return result;
+    }
+
+    @Override
     public PageData<Device> findDevicesByTenantId(UUID tenantId, PageLink pageLink) {
         if (StringUtils.isEmpty(pageLink.getTextSearch())) {
             return DaoUtil.toPageData(