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/*******************************************************************************
* ============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();
}
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