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; 019 020 import java.sql.Timestamp; 021 import java.util.ArrayList; 022 import java.util.Date; 023 import java.util.List; 024 025 import javax.persistence.EntityManager; 026 import javax.persistence.Query; 027 028 import org.apache.oozie.CoordinatorJobBean; 029 import org.apache.oozie.ErrorCode; 030 import org.apache.oozie.util.ParamChecker; 031 032 /** 033 * JPA command to get coordinator jobs which are qualify for Materialization. 034 */ 035 public class CoordJobsToBeMaterializedJPAExecutor implements JPAExecutor<List<CoordinatorJobBean>> { 036 037 private Date dateInput; 038 private int limit; 039 private List<CoordinatorJobBean> jobList; 040 041 /** 042 * @param date 043 * @param limit 044 */ 045 public CoordJobsToBeMaterializedJPAExecutor(Date date, int limit) { 046 ParamChecker.notNull(date, "Coord Job Materialization Date"); 047 this.dateInput = date; 048 this.limit = limit; 049 jobList = new ArrayList<CoordinatorJobBean>(); 050 } 051 052 /* (non-Javadoc) 053 * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager) 054 */ 055 @SuppressWarnings("unchecked") 056 @Override 057 public List<CoordinatorJobBean> execute(EntityManager em) throws JPAExecutorException { 058 try { 059 Query q = em.createNamedQuery("GET_COORD_JOBS_OLDER_THAN"); 060 q.setParameter("matTime", new Timestamp(this.dateInput.getTime())); 061 if (limit > 0) { 062 q.setMaxResults(limit); 063 } 064 065 List<CoordinatorJobBean> cjBeans = q.getResultList(); 066 // copy results to a new object 067 for (CoordinatorJobBean j : cjBeans) { 068 jobList.add(j); 069 } 070 } 071 catch (IllegalStateException e) { 072 throw new JPAExecutorException(ErrorCode.E0601, e.getMessage(), e); 073 } 074 return jobList; 075 } 076 077 @Override 078 public String getName() { 079 return "CoordJobsToBeMaterializedJPAExecutor"; 080 } 081 082 /** 083 * @return the dateInput 084 */ 085 public Date getDateInput() { 086 return dateInput; 087 } 088 089 /** 090 * @param dateInput the dateInput to set 091 */ 092 public void setDateInput(Date dateInput) { 093 this.dateInput = dateInput; 094 } 095 096 /** 097 * @return the limit 098 */ 099 public int getLimit() { 100 return limit; 101 } 102 103 /** 104 * @param limit the limit to set 105 */ 106 public void setLimit(int limit) { 107 this.limit = limit; 108 } 109 }