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.util.ArrayList;
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.util.ParamChecker;
029
030 /**
031 * Load coordinator actions by start and len (a subset) for a coordinator job.
032 */
033 public class CoordJobGetActionsSubsetJPAExecutor implements JPAExecutor<List<CoordinatorActionBean>> {
034
035 private String coordJobId = null;
036 private int start = 1;
037 private int len = 50;
038
039 public CoordJobGetActionsSubsetJPAExecutor(String coordJobId) {
040 ParamChecker.notNull(coordJobId, "coordJobId");
041 this.coordJobId = coordJobId;
042 }
043
044 public CoordJobGetActionsSubsetJPAExecutor(String coordJobId, int start, int len) {
045 this(coordJobId);
046 this.start = start;
047 this.len = len;
048 }
049
050 @Override
051 public String getName() {
052 return "CoordJobGetActionsSubsetJPAExecutor";
053 }
054
055 @Override
056 @SuppressWarnings("unchecked")
057 public List<CoordinatorActionBean> execute(EntityManager em) throws JPAExecutorException {
058 List<CoordinatorActionBean> actions;
059 List<CoordinatorActionBean> actionList = new ArrayList<CoordinatorActionBean>();
060 try {
061 Query q = em.createNamedQuery("GET_ACTIONS_FOR_COORD_JOB");
062 q.setParameter("jobId", coordJobId);
063 q.setFirstResult(start - 1);
064 q.setMaxResults(len);
065 actions = q.getResultList();
066 for (CoordinatorActionBean a : actions) {
067 CoordinatorActionBean aa = getBeanForRunningCoordAction(a);
068 actionList.add(aa);
069 }
070 }
071 catch (Exception e) {
072 throw new JPAExecutorException(ErrorCode.E0603, e);
073 }
074 return actionList;
075 }
076
077 private CoordinatorActionBean getBeanForRunningCoordAction(CoordinatorActionBean a) {
078 if (a != null) {
079 CoordinatorActionBean action = new CoordinatorActionBean();
080 action.setId(a.getId());
081 action.setActionNumber(a.getActionNumber());
082 action.setActionXml(a.getActionXml());
083 action.setConsoleUrl(a.getConsoleUrl());
084 action.setCreatedConf(a.getCreatedConf());
085 action.setExternalStatus(a.getExternalStatus());
086 action.setMissingDependencies(a.getMissingDependencies());
087 action.setRunConf(a.getRunConf());
088 action.setTimeOut(a.getTimeOut());
089 action.setTrackerUri(a.getTrackerUri());
090 action.setType(a.getType());
091 action.setCreatedTime(a.getCreatedTime());
092 action.setExternalId(a.getExternalId());
093 action.setJobId(a.getJobId());
094 action.setLastModifiedTime(a.getLastModifiedTime());
095 action.setNominalTime(a.getNominalTime());
096 action.setSlaXml(a.getSlaXml());
097 action.setStatus(a.getStatus());
098 return action;
099 }
100 return null;
101 }
102
103 }