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.util.List; 022 023import javax.persistence.EntityManager; 024import javax.persistence.Query; 025 026import org.apache.oozie.BundleActionBean; 027import org.apache.oozie.ErrorCode; 028import org.apache.oozie.util.ParamChecker; 029 030/** 031 * Load the BundleAction into a Bean and return it. 032 */ 033public class BundleActionGetJPAExecutor implements JPAExecutor<BundleActionBean> { 034 035 private String bundleActionId = null; 036 037 /** 038 * The constructor for class {@link BundleActionGetJPAExecutor} 039 * 040 * @param bundleId bundle job id 041 * @param coordName coordinator name 042 */ 043 public BundleActionGetJPAExecutor(String bundleId, String coordName) { 044 ParamChecker.notNull(bundleId, "bundleId"); 045 ParamChecker.notNull(coordName, "coordName"); 046 this.bundleActionId = bundleId + "_" + coordName; 047 } 048 049 /* (non-Javadoc) 050 * @see org.apache.oozie.executor.jpa.JPAExecutor#getName() 051 */ 052 @Override 053 public String getName() { 054 return "BundleActionGetJPAExecutor"; 055 } 056 057 /* (non-Javadoc) 058 * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager) 059 */ 060 @Override 061 @SuppressWarnings("unchecked") 062 public BundleActionBean execute(EntityManager em) throws JPAExecutorException { 063 List<BundleActionBean> baBeans; 064 try { 065 Query q = em.createNamedQuery("GET_BUNDLE_ACTION"); 066 q.setParameter("bundleActionId", bundleActionId); 067 baBeans = q.getResultList(); 068 } 069 catch (Exception e) { 070 throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e); 071 } 072 073 BundleActionBean bean = null; 074 if (baBeans != null && baBeans.size() > 0) { 075 bean = baBeans.get(0); 076 return bean; 077 } 078 else { 079 throw new JPAExecutorException(ErrorCode.E0605, bundleActionId); 080 } 081 } 082}