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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 javax.persistence.EntityManager;
021
022 import org.apache.oozie.WorkflowJobBean;
023 import org.apache.oozie.util.ParamChecker;
024
025 /**
026 * Delete workflow job
027 *
028 */
029 public class WorkflowJobDeleteJPAExecutor implements JPAExecutor<Void>{
030
031 private String wfJobId = null;
032
033 public WorkflowJobDeleteJPAExecutor(String wfJobId){
034 ParamChecker.notEmpty(wfJobId, "wfJobId");
035 this.wfJobId = wfJobId;
036 }
037
038 /* (non-Javadoc)
039 * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
040 */
041 @Override
042 public Void execute(EntityManager em) throws JPAExecutorException {
043 WorkflowJobBean job = em.find(WorkflowJobBean.class, this.wfJobId);
044 if (job != null) {
045 em.remove(job);
046 }
047 return null;
048 }
049
050 /* (non-Javadoc)
051 * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
052 */
053 @Override
054 public String getName() {
055 return "WorkflowJobDeleteJPAExecutor";
056 }
057
058 }