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 */ 018package org.apache.oozie.executor.jpa; 019 020import java.sql.Timestamp; 021import java.util.Date; 022import java.util.List; 023 024import javax.persistence.EntityManager; 025import javax.persistence.Query; 026 027import org.apache.oozie.CoordinatorActionBean; 028import org.apache.oozie.ErrorCode; 029import org.apache.oozie.util.DateUtils; 030import org.apache.oozie.util.ParamChecker; 031 032/** 033 * Load coordinator action by nominal time. 034 */ 035public class CoordJobGetActionForNominalTimeJPAExecutor implements JPAExecutor<CoordinatorActionBean> { 036 037 private String jobId = null; 038 private Date nominalTime = null; 039 040 public CoordJobGetActionForNominalTimeJPAExecutor(String jobId, Date nominalTime) { 041 ParamChecker.notNull(jobId, "jobId"); 042 this.jobId = jobId; 043 this.nominalTime = nominalTime; 044 } 045 046 @Override 047 public String getName() { 048 return "CoordJobGetActionForNominalTimeJPAExecutor"; 049 } 050 051 @Override 052 @SuppressWarnings("unchecked") 053 public CoordinatorActionBean execute(EntityManager em) throws JPAExecutorException { 054 List<CoordinatorActionBean> actions; 055 Query q = em.createNamedQuery("GET_ACTION_FOR_NOMINALTIME"); 056 q.setParameter("jobId", jobId); 057 q.setParameter("nominalTime", new Timestamp(nominalTime.getTime())); 058 actions = q.getResultList(); 059 060 CoordinatorActionBean action = null; 061 if (actions.size() > 0) { 062 action = actions.get(0); 063 } 064 else { 065 throw new JPAExecutorException(ErrorCode.E0605, DateUtils.formatDateOozieTZ(nominalTime)); 066 } 067 return action; 068 } 069 070}