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 package org.apache.oozie.executor.jpa.sla; 019 020 import java.sql.Timestamp; 021 import java.util.List; 022 023 import javax.persistence.EntityManager; 024 import javax.persistence.Query; 025 026 import org.apache.oozie.ErrorCode; 027 import org.apache.oozie.executor.jpa.JPAExecutor; 028 import org.apache.oozie.executor.jpa.JPAExecutorException; 029 import org.apache.oozie.sla.SLASummaryBean; 030 031 /** 032 * Load the list of SLASummaryBean when Oozie restarts and return the list. 033 */ 034 public class SLASummaryGetRecordsOnRestartJPAExecutor implements JPAExecutor<List<SLASummaryBean>> { 035 036 private int days; 037 public SLASummaryGetRecordsOnRestartJPAExecutor (int days) { 038 this.days = days; 039 } 040 041 @Override 042 public String getName() { 043 return "SLASummaryGetRecordsOnRestartJPAExecutor"; 044 } 045 046 @SuppressWarnings("unchecked") 047 @Override 048 public List<SLASummaryBean> execute(EntityManager em) throws JPAExecutorException { 049 List<SLASummaryBean> ssBean; 050 try { 051 Query q = em.createNamedQuery("GET_SLA_SUMMARY_RECORDS_RESTART"); 052 Timestamp ts = new Timestamp(System.currentTimeMillis() - days * 24 * 60 * 60 * 1000); 053 q.setParameter("lastModifiedTime", ts); 054 ssBean = q.getResultList(); 055 return ssBean; 056 } 057 catch (Exception e) { 058 throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e); 059 } 060 } 061 062 }