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; 020 021import java.sql.Timestamp; 022 023import javax.persistence.EntityManager; 024import javax.persistence.Query; 025 026import org.apache.oozie.ErrorCode; 027 028/** 029 * Count the number of Coordinator children of a parent bundle that are not ready to be purged 030 */ 031public class CoordJobsCountNotForPurgeFromParentIdJPAExecutor implements JPAExecutor<Long> { 032 033 private static final long DAY_IN_MS = 24 * 60 * 60 * 1000; 034 private long olderThanDays; 035 private String parentId; 036 037 public CoordJobsCountNotForPurgeFromParentIdJPAExecutor(long olderThanDays, String parentId) { 038 this.olderThanDays = olderThanDays; 039 this.parentId = parentId; 040 } 041 042 /* (non-Javadoc) 043 * @see org.apache.oozie.executor.jpa.JPAExecutor#getName() 044 */ 045 @Override 046 public String getName() { 047 return "CoordJobsCountNotForPurgeFromParentIdJPAExecutor"; 048 } 049 050 /* (non-Javadoc) 051 * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager) 052 */ 053 @Override 054 @SuppressWarnings("unchecked") 055 public Long execute(EntityManager em) throws JPAExecutorException { 056 Long count = 0L; 057 try { 058 Timestamp lastModTm = new Timestamp(System.currentTimeMillis() - (olderThanDays * DAY_IN_MS)); 059 Query jobQ = em.createNamedQuery("GET_COORD_COUNT_WITH_PARENT_ID_NOT_READY_FOR_PURGE"); 060 jobQ.setParameter("parentId", parentId); 061 jobQ.setParameter("lastModTime", lastModTm); 062 count = (Long) jobQ.getSingleResult(); 063 } 064 catch (Exception e) { 065 throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e); 066 } 067 return count; 068 } 069 070}