001 /** 002 * Copyright (c) 2010 Yahoo! Inc. All rights reserved. 003 * Licensed under the Apache License, Version 2.0 (the "License"); 004 * you may not use this file except in compliance with the License. 005 * You may obtain a copy of the License at 006 * 007 * http://www.apache.org/licenses/LICENSE-2.0 008 * 009 * Unless required by applicable law or agreed to in writing, software 010 * distributed under the License is distributed on an "AS IS" BASIS, 011 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012 * See the License for the specific language governing permissions and 013 * limitations under the License. See accompanying LICENSE file. 014 */ 015 package org.apache.oozie.executor.jpa; 016 017 import java.util.List; 018 019 import javax.persistence.EntityManager; 020 import javax.persistence.Query; 021 022 import org.apache.oozie.CoordinatorActionBean; 023 import org.apache.oozie.ErrorCode; 024 import org.apache.oozie.util.ParamChecker; 025 026 /** 027 * Load the CoordinatorJob into a Bean and return it. 028 */ 029 public class CoordJobGetActionByActionNumberJPAExecutor implements JPAExecutor<CoordinatorActionBean> { 030 031 private String coordJobId = null; 032 private final int actionNumber; 033 034 public CoordJobGetActionByActionNumberJPAExecutor(String coordJobId, int actionNumber) { 035 ParamChecker.notNull(coordJobId, "coordJobId"); 036 this.coordJobId = coordJobId; 037 this.actionNumber = actionNumber; 038 } 039 040 /* (non-Javadoc) 041 * @see org.apache.oozie.executor.jpa.JPAExecutor#getName() 042 */ 043 @Override 044 public String getName() { 045 return "CoordJobGetActionByActionNumberJPAExecutor"; 046 } 047 048 /* (non-Javadoc) 049 * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager) 050 */ 051 @Override 052 @SuppressWarnings("unchecked") 053 public CoordinatorActionBean execute(EntityManager em) throws JPAExecutorException { 054 try { 055 CoordinatorActionBean caBean = null; 056 Query q = em.createNamedQuery("GET_COORD_ACTION_FOR_COORD_JOB_BY_ACTION_NUMBER"); 057 q.setParameter("jobId", coordJobId); 058 q.setParameter("actionNumber", actionNumber); 059 060 List<CoordinatorActionBean> actionList = q.getResultList(); 061 if (actionList.size() > 0) { 062 caBean = actionList.get(0); 063 } 064 return caBean; 065 } 066 catch (Exception e) { 067 throw new JPAExecutorException(ErrorCode.E0603, e); 068 } 069 } 070 }