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.sql.Timestamp; 022import java.util.ArrayList; 023import java.util.List; 024 025import javax.persistence.EntityManager; 026import javax.persistence.Query; 027 028import org.apache.oozie.CoordinatorActionBean; 029import org.apache.oozie.CoordinatorJobBean; 030import org.apache.oozie.ErrorCode; 031import org.apache.oozie.client.CoordinatorAction; 032import org.apache.oozie.client.Job.Status; 033import org.apache.oozie.util.DateUtils; 034import org.apache.oozie.util.ParamChecker; 035 036/** 037 * Load the running Coordinator actions for a given Coordinator job 038 */ 039public class CoordJobGetActionsRunningJPAExecutor implements JPAExecutor<List<CoordinatorActionBean>> { 040 041 private String coordJobId = null; 042 043 public CoordJobGetActionsRunningJPAExecutor(String coordJobId) { 044 ParamChecker.notNull(coordJobId, "coordJobId"); 045 this.coordJobId = coordJobId; 046 } 047 048 @Override 049 public String getName() { 050 return "CoordJobGetActionsRunningJPAExecutor"; 051 } 052 053 @Override 054 @SuppressWarnings("unchecked") 055 public List<CoordinatorActionBean> execute(EntityManager em) throws JPAExecutorException { 056 try { 057 List<CoordinatorActionBean> actionBeansList = new ArrayList<CoordinatorActionBean>(); 058 Query q = em.createNamedQuery("GET_COORD_ACTIONS_RUNNING"); 059 q.setParameter("jobId", coordJobId); 060 List<Object[]> objectArrList = q.getResultList(); 061 for (Object[] arr : objectArrList) { 062 CoordinatorActionBean caa = getBeanForCoordinatorActionFromArray(arr); 063 actionBeansList.add(caa); 064 } 065 return actionBeansList; 066 } 067 catch (Exception e) { 068 throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e); 069 } 070 } 071 072 /* 073 * A Coordinator action bean is constructed from an array of objects. 074 * ActionId, status, pending and externalId of the Coordinator action are 075 * updated. If values of id, status and externalId fetched from db are 076 * null, they will be automatically initialized to default values of null as 077 * they are Strings. If value of pending fetched from db is null, it will be 078 * initialized with default value of 0 as it is a int. 079 */ 080 private CoordinatorActionBean getBeanForCoordinatorActionFromArray(Object[] arr) { 081 CoordinatorActionBean bean = new CoordinatorActionBean(); 082 if (arr[0] != null) { 083 bean.setId((String) arr[0]); 084 } 085 if (arr[1] != null) { 086 bean.setStatus(CoordinatorAction.Status.valueOf((String) arr[1])); 087 } 088 if (arr[2] != null) { 089 bean.setPending((Integer) arr[2]); 090 } 091 if (arr[3] != null) { 092 bean.setExternalId((String) arr[3]); 093 } 094 if (arr[4] != null){ 095 bean.setNominalTime(DateUtils.toDate((Timestamp) arr[4])); 096 } 097 if (arr[5] != null){ 098 bean.setCreatedTime(DateUtils.toDate((Timestamp) arr[5])); 099 } 100 return bean; 101 } 102 103}