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.SQLException;
021 import java.util.ArrayList;
022 import java.util.List;
023
024 import javax.persistence.EntityManager;
025 import javax.persistence.Query;
026
027 import org.apache.oozie.ErrorCode;
028 import org.apache.oozie.WorkflowActionBean;
029 import org.apache.oozie.util.ParamChecker;
030 import org.apache.openjpa.persistence.OpenJPAPersistence;
031
032 /**
033 * JPA Command to get subset of workflow actions for a particular workflow.
034 */
035 public class WorkflowActionSubsetGetJPAExecutor implements JPAExecutor<List<WorkflowActionBean>> {
036
037 private final String wfId;
038 private final int start;
039 private final int length;
040
041 /**
042 * This Constructor creates the WorkflowActionSubsetGetJPAExecutor object Which gets the List of wrokflow action
043 * bean.
044 *
045 * @param wfId
046 * @param start
047 * @param length
048 */
049 public WorkflowActionSubsetGetJPAExecutor(String wfId, int start, int length) {
050 ParamChecker.notNull(wfId, "wfJobId");
051 this.wfId = wfId;
052 this.start = start;
053 this.length = length;
054 }
055
056 /* (non-Javadoc)
057 * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
058 */
059 @Override
060 @SuppressWarnings("unchecked")
061 public List<WorkflowActionBean> execute(EntityManager em) throws JPAExecutorException {
062 List<WorkflowActionBean> actions;
063 List<WorkflowActionBean> actionList = new ArrayList<WorkflowActionBean>();
064 try {
065 Query q = em.createNamedQuery("GET_ACTIONS_FOR_WORKFLOW");
066 OpenJPAPersistence.cast(q);
067 q.setParameter("wfId", wfId);
068 q.setFirstResult(start - 1);
069 q.setMaxResults(length);
070 actions = q.getResultList();
071 for (WorkflowActionBean a : actions) {
072 WorkflowActionBean aa = getBeanForRunningAction(a);
073 actionList.add(aa);
074 }
075 }
076 catch (Exception e) {
077 throw new JPAExecutorException(ErrorCode.E0605, e);
078 }
079 return actionList;
080 }
081
082 /* (non-Javadoc)
083 * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
084 */
085 @Override
086 public String getName() {
087 return "WorkflowActionSubsetGetJPAExecutor";
088 }
089
090 private WorkflowActionBean getBeanForRunningAction(WorkflowActionBean a) throws SQLException {
091 if (a != null) {
092 WorkflowActionBean action = new WorkflowActionBean();
093 action.setId(a.getId());
094 action.setConf(a.getConf());
095 action.setConsoleUrl(a.getConsoleUrl());
096 action.setData(a.getData());
097 action.setStats(a.getStats());
098 action.setExternalChildIDs(a.getExternalChildIDs());
099 action.setErrorInfo(a.getErrorCode(), a.getErrorMessage());
100 action.setExternalId(a.getExternalId());
101 action.setExternalStatus(a.getExternalStatus());
102 action.setName(a.getName());
103 action.setCred(a.getCred());
104 action.setRetries(a.getRetries());
105 action.setTrackerUri(a.getTrackerUri());
106 action.setTransition(a.getTransition());
107 action.setType(a.getType());
108 action.setEndTime(a.getEndTime());
109 action.setExecutionPath(a.getExecutionPath());
110 action.setLastCheckTime(a.getLastCheckTime());
111 action.setLogToken(a.getLogToken());
112 if (a.getPending() == true) {
113 action.setPending();
114 }
115 action.setPendingAge(a.getPendingAge());
116 action.setSignalValue(a.getSignalValue());
117 action.setSlaXml(a.getSlaXml());
118 action.setStartTime(a.getStartTime());
119 action.setStatus(a.getStatus());
120 action.setJobId(a.getWfId());
121 return action;
122 }
123 return null;
124 }
125 }