001 /** 002 * Copyright (c) 2010 Yahoo! Inc. All rights reserved. 003 * Licensed under the Apache License, Version 2.0 (the "License"); 004 * you may not use this file except in compliance with the License. 005 * You may obtain a copy of the License at 006 * 007 * http://www.apache.org/licenses/LICENSE-2.0 008 * 009 * Unless required by applicable law or agreed to in writing, software 010 * distributed under the License is distributed on an "AS IS" BASIS, 011 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012 * See the License for the specific language governing permissions and 013 * limitations under the License. See accompanying LICENSE file. 014 */ 015 package org.apache.oozie.executor.jpa; 016 017 import java.util.ArrayList; 018 import java.util.List; 019 020 import javax.persistence.EntityManager; 021 import javax.persistence.Query; 022 023 import org.apache.oozie.CoordinatorActionBean; 024 import org.apache.oozie.ErrorCode; 025 import org.apache.oozie.util.ParamChecker; 026 027 /** 028 * Load coordinator actions by start and len (a subset) for a coordinator job. 029 */ 030 public class CoordJobGetActionsSubsetJPAExecutor implements JPAExecutor<List<CoordinatorActionBean>> { 031 032 private String coordJobId = null; 033 private int start = 1; 034 private int len = 50; 035 036 public CoordJobGetActionsSubsetJPAExecutor(String coordJobId) { 037 ParamChecker.notNull(coordJobId, "coordJobId"); 038 this.coordJobId = coordJobId; 039 } 040 041 public CoordJobGetActionsSubsetJPAExecutor(String coordJobId, int start, int len) { 042 this(coordJobId); 043 this.start = start; 044 this.len = len; 045 } 046 047 @Override 048 public String getName() { 049 return "CoordJobGetActionsSubsetJPAExecutor"; 050 } 051 052 @Override 053 @SuppressWarnings("unchecked") 054 public List<CoordinatorActionBean> execute(EntityManager em) throws JPAExecutorException { 055 List<CoordinatorActionBean> actions; 056 List<CoordinatorActionBean> actionList = new ArrayList<CoordinatorActionBean>(); 057 try { 058 Query q = em.createNamedQuery("GET_ACTIONS_FOR_COORD_JOB"); 059 q.setParameter("jobId", coordJobId); 060 q.setFirstResult(start - 1); 061 q.setMaxResults(len); 062 actions = q.getResultList(); 063 for (CoordinatorActionBean a : actions) { 064 CoordinatorActionBean aa = getBeanForRunningCoordAction(a); 065 actionList.add(aa); 066 } 067 } 068 catch (Exception e) { 069 throw new JPAExecutorException(ErrorCode.E0603, e); 070 } 071 return actionList; 072 } 073 074 private CoordinatorActionBean getBeanForRunningCoordAction(CoordinatorActionBean a) { 075 if (a != null) { 076 CoordinatorActionBean action = new CoordinatorActionBean(); 077 action.setId(a.getId()); 078 action.setActionNumber(a.getActionNumber()); 079 action.setActionXml(a.getActionXml()); 080 action.setConsoleUrl(a.getConsoleUrl()); 081 action.setCreatedConf(a.getCreatedConf()); 082 action.setExternalStatus(a.getExternalStatus()); 083 action.setMissingDependencies(a.getMissingDependencies()); 084 action.setRunConf(a.getRunConf()); 085 action.setTimeOut(a.getTimeOut()); 086 action.setTrackerUri(a.getTrackerUri()); 087 action.setType(a.getType()); 088 action.setCreatedTime(a.getCreatedTime()); 089 action.setExternalId(a.getExternalId()); 090 action.setJobId(a.getJobId()); 091 action.setLastModifiedTime(a.getLastModifiedTime()); 092 action.setNominalTime(a.getNominalTime()); 093 action.setSlaXml(a.getSlaXml()); 094 action.setStatus(a.getStatus()); 095 return action; 096 } 097 return null; 098 } 099 100 }