1 files changed, 45 insertions, 0 deletions
diff --git a/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/data/repository/PerformanceNotificationsRepository.java b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/data/repository/PerformanceNotificationsRepository.java
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+++ b/components/slice-analysis-ms/src/main/java/org/onap/slice/analysis/ms/data/repository/PerformanceNotificationsRepository.java
@@ -0,0 +1,45 @@
+/*******************************************************************************
+ *  ============LICENSE_START=======================================================
+ *  slice-analysis-ms
+ *  ================================================================================
+ *   Copyright (C) 2020 Wipro Limited.
+ *   ==============================================================================
+ *     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.
+ *     ============LICENSE_END=========================================================
+ *
+ *******************************************************************************/
+
+package org.onap.slice.analysis.ms.data.repository;
+
+import org.onap.slice.analysis.ms.data.beans.PerformanceNotifications;
+import org.springframework.data.jpa.repository.Query;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.stereotype.Repository;
+
+/**
+ * This interface provides methods to perform CRUD operations
+ * on performance_notifications table
+ */
+@Repository
+public interface PerformanceNotificationsRepository extends CrudRepository<PerformanceNotifications, String> {
+
+	  /**
+     * read performanceNotifications from db
+     * @return 
+     */
+    @Query(nativeQuery = true, value = "DELETE FROM performance_notifications "
+            + "WHERE notification = ( SELECT notification FROM performance_notifications ORDER BY "
+            + "created_at FOR UPDATE SKIP LOCKED LIMIT 1 ) RETURNING notification;")
+    public String getPerformanceNotificationFromQueue();
+
+}