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 javax.persistence.EntityManager; 018 019 import org.apache.oozie.WorkflowJobBean; 020 import org.apache.oozie.util.ParamChecker; 021 022 /** 023 * Delete workflow job 024 * 025 */ 026 public class WorkflowJobDeleteJPAExecutor implements JPAExecutor<Void>{ 027 028 private String wfJobId = null; 029 030 public WorkflowJobDeleteJPAExecutor(String wfJobId){ 031 ParamChecker.notEmpty(wfJobId, "wfJobId"); 032 this.wfJobId = wfJobId; 033 } 034 035 /* (non-Javadoc) 036 * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager) 037 */ 038 @Override 039 public Void execute(EntityManager em) throws JPAExecutorException { 040 WorkflowJobBean job = em.find(WorkflowJobBean.class, this.wfJobId); 041 if (job != null) { 042 em.remove(job); 043 } 044 return null; 045 } 046 047 /* (non-Javadoc) 048 * @see org.apache.oozie.executor.jpa.JPAExecutor#getName() 049 */ 050 @Override 051 public String getName() { 052 return "WorkflowJobDeleteJPAExecutor"; 053 } 054 055 }