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.ArrayList; 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.StringBlob; 030import org.apache.oozie.client.CoordinatorAction; 031import org.apache.oozie.util.DateUtils; 032import org.apache.oozie.util.ParamChecker; 033 034/** 035 * Load the Coordinator actions which are not completed for a given Coordinator job 036 */ 037public class CoordJobGetActionsNotCompletedJPAExecutor implements JPAExecutor<List<CoordinatorActionBean>> { 038 039 private String coordJobId = null; 040 041 public CoordJobGetActionsNotCompletedJPAExecutor(String coordJobId) { 042 ParamChecker.notNull(coordJobId, "coordJobId"); 043 this.coordJobId = coordJobId; 044 } 045 046 @Override 047 public String getName() { 048 return "CoordJobGetActionsNotCompletedJPAExecutor"; 049 } 050 051 @Override 052 @SuppressWarnings("unchecked") 053 public List<CoordinatorActionBean> execute(EntityManager em) throws JPAExecutorException { 054 try { 055 List<CoordinatorActionBean> actionBeansList = new ArrayList<CoordinatorActionBean>(); 056 Query q = em.createNamedQuery("GET_COORD_ACTIONS_NOT_COMPLETED"); 057 q.setParameter("jobId", coordJobId); 058 List<Object[]> objectArrList = q.getResultList(); 059 060 for (Object[] arr : objectArrList) { 061 CoordinatorActionBean caa = getBeanForCoordinatorActionFromArray(arr); 062 actionBeansList.add(caa); 063 } 064 return actionBeansList; 065 } 066 catch (Exception e) { 067 throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e); 068 } 069 } 070 071 /* 072 * A Coordinator action bean is constructed from an array of objects. 073 * ActionId, status, pending and externalId of the Coordinator action are 074 * updated. If values of id, status and externalId fetched from db are 075 * null, they will be automatically initialized to default values of null as 076 * they are Strings. If value of pending fetched from db is null, it will be 077 * initialized with default value of 0 as it is a int. 078 */ 079 private CoordinatorActionBean getBeanForCoordinatorActionFromArray(Object[] arr) { 080 CoordinatorActionBean bean = new CoordinatorActionBean(); 081 if (arr[0] != null) { 082 bean.setId((String) arr[0]); 083 } 084 if (arr[1] != null) { 085 bean.setStatus(CoordinatorAction.Status.valueOf((String) arr[1])); 086 } 087 if (arr[2] != null) { 088 bean.setPending((Integer) arr[2]); 089 } 090 else{ 091 bean.setPending(0); 092 } 093 if (arr[3] != null) { 094 bean.setExternalId((String) arr[3]); 095 } 096 if (arr[4] != null) { 097 bean.setPushMissingDependenciesBlob((StringBlob) arr[4]); 098 } 099 if (arr[5] != null){ 100 bean.setNominalTime(DateUtils.toDate((Timestamp) arr[5])); 101 } 102 if (arr[6] != null){ 103 bean.setCreatedTime(DateUtils.toDate((Timestamp) arr[6])); 104 } 105 if (arr[7] != null) { 106 bean.setJobId((String) arr[7]); 107 } 108 return bean; 109 } 110 111}