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.List; 018 019 import javax.persistence.EntityManager; 020 021 import org.apache.oozie.ErrorCode; 022 import org.apache.oozie.WorkflowActionBean; 023 import org.apache.oozie.WorkflowJobBean; 024 import org.apache.oozie.command.CommandException; 025 import org.apache.oozie.service.JPAService; 026 import org.apache.oozie.service.Services; 027 import org.apache.oozie.util.ParamChecker; 028 029 /** 030 * This JPA Executor is responsible for getting the Workflow job with actions in certain range. 031 */ 032 public class WorkflowInfoWithActionsSubsetGetJPAExecutor implements JPAExecutor<WorkflowJobBean> { 033 034 private String wfJobId = null; 035 private WorkflowJobBean workflow; 036 private final int start; 037 private final int len; 038 039 /** 040 * This will create the WorkflowInfoWithActionsSubsetGetJPAExecutor object. which is responsible for getting the 041 * Workflow job with actions in certain range. 042 * 043 * @param wfJobId 044 * @param start 045 * @param len 046 */ 047 public WorkflowInfoWithActionsSubsetGetJPAExecutor(String wfJobId, int start, int len) { 048 ParamChecker.notNull(wfJobId, "wfJobId"); 049 this.wfJobId = wfJobId; 050 this.start = start; 051 this.len = len; 052 } 053 054 /* (non-Javadoc) 055 * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager) 056 */ 057 @Override 058 public WorkflowJobBean execute(EntityManager em) throws JPAExecutorException { 059 try { 060 JPAService jpaService = Services.get().get(JPAService.class); 061 if (jpaService != null) { 062 this.workflow = jpaService.execute(new WorkflowJobGetJPAExecutor(this.wfJobId)); 063 } 064 else { 065 throw new JPAExecutorException(ErrorCode.E0610, this.wfJobId); 066 } 067 } 068 catch (Exception ex) { 069 if (ex instanceof JPAExecutorException) { 070 throw (JPAExecutorException) ex; 071 } 072 else { 073 throw new JPAExecutorException(ErrorCode.E0603, ex); 074 } 075 } 076 077 if (this.workflow != null) { 078 JPAService jpaService = Services.get().get(JPAService.class); 079 List<WorkflowActionBean> actionList; 080 if (jpaService != null) { 081 actionList = jpaService.execute(new WorkflowActionSubsetGetJPAExecutor(this.wfJobId, start, len)); 082 } 083 else { 084 throw new JPAExecutorException(ErrorCode.E0610, this.wfJobId); 085 } 086 this.workflow.setActions(actionList); 087 } 088 else { 089 throw new JPAExecutorException(ErrorCode.E0604, wfJobId); 090 } 091 092 return this.workflow; 093 } 094 095 /* (non-Javadoc) 096 * @see org.apache.oozie.executor.jpa.JPAExecutor#getName() 097 */ 098 @Override 099 public String getName() { 100 return "WorkflowInfoWithActionsSubsetGetJPAExecutor"; 101 } 102 }