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 */
018package org.apache.oozie.executor.jpa;
019
020import javax.persistence.EntityManager;
021
022import org.apache.oozie.WorkflowJobBean;
023import org.apache.oozie.util.ParamChecker;
024
025/**
026 * Delete workflow job
027 *
028 */
029public 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}