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.List; 022 023import javax.persistence.EntityManager; 024import javax.persistence.Query; 025 026import org.apache.oozie.CoordinatorActionBean; 027import org.apache.oozie.ErrorCode; 028import org.apache.oozie.StringBlob; 029import org.apache.oozie.client.CoordinatorAction; 030import org.apache.oozie.util.DateUtils; 031import org.apache.oozie.util.ParamChecker; 032 033/** 034 * Load coordinator action by externalId. 035 */ 036public class CoordActionGetForExternalIdJPAExecutor implements JPAExecutor<CoordinatorActionBean> { 037 038 private String externalId = null; 039 040 public CoordActionGetForExternalIdJPAExecutor(String externalId) { 041 ParamChecker.notNull(externalId, "externalId"); 042 this.externalId = externalId; 043 } 044 045 /* (non-Javadoc) 046 * @see org.apache.oozie.executor.jpa.JPAExecutor#getName() 047 */ 048 @Override 049 public String getName() { 050 return "CoordActionGetForExternalIdJPAExecutor"; 051 } 052 053 /* (non-Javadoc) 054 * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager) 055 */ 056 @Override 057 @SuppressWarnings("unchecked") 058 public CoordinatorActionBean execute(EntityManager em) throws JPAExecutorException { 059 try { 060 CoordinatorActionBean caBean = null; 061 Query q = em.createNamedQuery("GET_COORD_ACTION_FOR_EXTERNALID"); 062 q.setParameter("externalId", externalId); 063 List<Object[]> actionArr = q.getResultList(); 064 // Actionarr may be empty if the CoordAction table is not yet updated by CoordActionStart thread 065 if (actionArr.size() > 0) { 066 caBean = getBeanForRunningCoordAction(actionArr.get(0)); 067 } 068 return caBean; 069 } 070 catch (Exception e) { 071 throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e); 072 } 073 } 074 075 private CoordinatorActionBean getBeanForRunningCoordAction(Object arr[]) { 076 CoordinatorActionBean bean = new CoordinatorActionBean(); 077 if (arr[0] != null) { 078 bean.setId((String) arr[0]); 079 } 080 if (arr[1] != null) { 081 bean.setJobId((String) arr[1]); 082 } 083 if (arr[2] != null) { 084 bean.setStatus(CoordinatorAction.Status.valueOf((String) arr[2])); 085 } 086 if (arr[3] != null) { 087 bean.setPending((Integer) arr[3]); 088 } 089 if (arr[4] != null) { 090 bean.setExternalId((String) arr[4]); 091 } 092 if (arr[5] != null) { 093 bean.setLastModifiedTime(DateUtils.toDate((Timestamp) arr[5])); 094 } 095 if (arr[6] != null){ 096 bean.setSlaXmlBlob((StringBlob) arr[6]); 097 } 098 if (arr[7] != null){ 099 bean.setNominalTime(DateUtils.toDate((Timestamp) arr[7])); 100 } 101 if (arr[8] != null){ 102 bean.setCreatedTime(DateUtils.toDate((Timestamp) arr[8])); 103 } 104 return bean; 105 } 106 107 108}