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 package org.apache.oozie.executor.jpa;
019
020 import java.sql.Timestamp;
021 import java.util.List;
022
023 import javax.persistence.EntityManager;
024 import javax.persistence.Query;
025
026 import org.apache.oozie.CoordinatorActionBean;
027 import org.apache.oozie.ErrorCode;
028 import org.apache.oozie.client.CoordinatorAction;
029 import org.apache.oozie.util.DateUtils;
030 import org.apache.oozie.util.ParamChecker;
031
032 /**
033 * Load coordinator action by externalId.
034 */
035 public class CoordActionGetForExternalIdJPAExecutor implements JPAExecutor<CoordinatorActionBean> {
036
037 private String externalId = null;
038
039 public CoordActionGetForExternalIdJPAExecutor(String externalId) {
040 ParamChecker.notNull(externalId, "externalId");
041 this.externalId = externalId;
042 }
043
044 /* (non-Javadoc)
045 * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
046 */
047 @Override
048 public String getName() {
049 return "CoordActionGetForExternalIdJPAExecutor";
050 }
051
052 /* (non-Javadoc)
053 * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
054 */
055 @Override
056 @SuppressWarnings("unchecked")
057 public CoordinatorActionBean execute(EntityManager em) throws JPAExecutorException {
058 try {
059 CoordinatorActionBean caBean = null;
060 Query q = em.createNamedQuery("GET_COORD_ACTION_FOR_EXTERNALID");
061 q.setParameter("externalId", externalId);
062 List<Object[]> actionArr = q.getResultList();
063 // Actionarr may be empty if the CoordAction table is not yet updated by CoordActionStart thread
064 if (actionArr.size() > 0) {
065 caBean = getBeanForRunningCoordAction(actionArr.get(0));
066 }
067 return caBean;
068 }
069 catch (Exception e) {
070 throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e);
071 }
072 }
073
074 private CoordinatorActionBean getBeanForRunningCoordAction(Object arr[]) {
075 CoordinatorActionBean bean = new CoordinatorActionBean();
076 if (arr[0] != null) {
077 bean.setId((String) arr[0]);
078 }
079 if (arr[1] != null) {
080 bean.setJobId((String) arr[1]);
081 }
082 if (arr[2] != null) {
083 bean.setStatus(CoordinatorAction.Status.valueOf((String) arr[2]));
084 }
085 if (arr[3] != null) {
086 bean.setPending((Integer) arr[3]);
087 }
088 if (arr[4] != null) {
089 bean.setExternalId((String) arr[4]);
090 }
091 if (arr[5] != null) {
092 bean.setLastModifiedTime(DateUtils.toDate((Timestamp) arr[5]));
093 }
094 if (arr[6] != null){
095 bean.setSlaXml((String) arr[6]);
096 }
097 if (arr[7] != null){
098 bean.setNominalTime(DateUtils.toDate((Timestamp) arr[7]));
099 }
100 if (arr[8] != null){
101 bean.setCreatedTime(DateUtils.toDate((Timestamp) arr[8]));
102 }
103 return bean;
104 }
105
106
107 }