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; 022import java.util.Date; 023import java.util.List; 024 025import javax.persistence.EntityManager; 026import javax.persistence.Query; 027 028import org.apache.oozie.CoordinatorActionBean; 029import org.apache.oozie.ErrorCode; 030import org.apache.oozie.util.DateUtils; 031import org.apache.oozie.util.ParamChecker; 032 033/** 034 * Load coordinator action by nominal time. 035 */ 036public class CoordJobGetActionForNominalTimeJPAExecutor implements JPAExecutor<CoordinatorActionBean> { 037 038 private String jobId = null; 039 private Date nominalTime = null; 040 041 public CoordJobGetActionForNominalTimeJPAExecutor(String jobId, Date nominalTime) { 042 ParamChecker.notNull(jobId, "jobId"); 043 this.jobId = jobId; 044 this.nominalTime = nominalTime; 045 } 046 047 @Override 048 public String getName() { 049 return "CoordJobGetActionForNominalTimeJPAExecutor"; 050 } 051 052 @Override 053 @SuppressWarnings("unchecked") 054 public CoordinatorActionBean execute(EntityManager em) throws JPAExecutorException { 055 List<CoordinatorActionBean> actions; 056 Query q = em.createNamedQuery("GET_ACTION_FOR_NOMINALTIME"); 057 q.setParameter("jobId", jobId); 058 q.setParameter("nominalTime", new Timestamp(nominalTime.getTime())); 059 actions = q.getResultList(); 060 061 CoordinatorActionBean action = null; 062 if (actions.size() > 0) { 063 action = actions.get(0); 064 } 065 else { 066 throw new JPAExecutorException(ErrorCode.E0605, DateUtils.formatDateOozieTZ(nominalTime)); 067 } 068 return action; 069 } 070 071}