001/** 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 019package org.apache.oozie.executor.jpa.sla; 020 021import java.sql.Timestamp; 022import java.util.List; 023 024import javax.persistence.EntityManager; 025import javax.persistence.Query; 026 027import org.apache.oozie.ErrorCode; 028import org.apache.oozie.executor.jpa.JPAExecutor; 029import org.apache.oozie.executor.jpa.JPAExecutorException; 030import org.apache.oozie.sla.SLASummaryBean; 031 032/** 033 * Load the list of SLASummaryBean when Oozie restarts and return the list. 034 */ 035public class SLASummaryGetRecordsOnRestartJPAExecutor implements JPAExecutor<List<SLASummaryBean>> { 036 037 private int days; 038 public SLASummaryGetRecordsOnRestartJPAExecutor (int days) { 039 this.days = days; 040 } 041 042 @Override 043 public String getName() { 044 return "SLASummaryGetRecordsOnRestartJPAExecutor"; 045 } 046 047 @SuppressWarnings("unchecked") 048 @Override 049 public List<SLASummaryBean> execute(EntityManager em) throws JPAExecutorException { 050 List<SLASummaryBean> ssBean; 051 try { 052 Query q = em.createNamedQuery("GET_SLA_SUMMARY_RECORDS_RESTART"); 053 Timestamp ts = new Timestamp(System.currentTimeMillis() - days * 24 * 60 * 60 * 1000); 054 q.setParameter("lastModifiedTime", ts); 055 ssBean = q.getResultList(); 056 return ssBean; 057 } 058 catch (Exception e) { 059 throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e); 060 } 061 } 062 063}