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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 javax.persistence.EntityManager;
022 import javax.persistence.Query;
023
024 import org.apache.oozie.CoordinatorActionBean;
025 import org.apache.oozie.ErrorCode;
026 import org.apache.oozie.client.CoordinatorAction;
027 import org.apache.oozie.util.DateUtils;
028 import org.apache.oozie.util.ParamChecker;
029
030 /**
031 * JPAExecutor to get attributes of CoordinatorActionBean required by SLAService on restart
032 */
033 public class CoordActionGetForSLAJPAExecutor implements JPAExecutor<CoordinatorActionBean> {
034
035 private String coordActionId;
036
037 public CoordActionGetForSLAJPAExecutor(String coordActionId) {
038 ParamChecker.notNull(coordActionId, "coordActionId");
039 this.coordActionId = coordActionId;
040 }
041
042 @Override
043 public String getName() {
044 return "CoordActionGetForSLAJPAExecutor";
045 }
046
047 @Override
048 public CoordinatorActionBean execute(EntityManager em) throws JPAExecutorException {
049 try {
050 Query q = em.createNamedQuery("GET_COORD_ACTION_FOR_SLA");
051 q.setParameter("id", coordActionId);
052 Object[] obj = (Object[]) q.getSingleResult();
053 CoordinatorActionBean caBean = getBeanForRunningCoordAction(obj);
054 return caBean;
055 }
056 catch (Exception e) {
057 throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e);
058 }
059
060 }
061
062 private CoordinatorActionBean getBeanForRunningCoordAction(Object[] arr) {
063 CoordinatorActionBean bean = new CoordinatorActionBean();
064 if (arr[0] != null) {
065 bean.setId((String) arr[0]);
066 }
067 if (arr[1] != null) {
068 bean.setJobId((String) arr[1]);
069 }
070 if (arr[2] != null) {
071 bean.setStatus(CoordinatorAction.Status.valueOf((String) arr[2]));
072 }
073 if (arr[3] != null) {
074 bean.setExternalId((String) arr[3]);
075 }
076 if (arr[4] != null) {
077 bean.setLastModifiedTime(DateUtils.toDate((Timestamp)arr[4]));
078 }
079 return bean;
080 }
081 }