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
019package org.apache.oozie.executor.jpa;
020
021import javax.persistence.EntityManager;
022
023import org.apache.oozie.WorkflowJobBean;
024import org.apache.oozie.util.ParamChecker;
025
026/**
027 * Delete workflow job
028 *
029 */
030public class WorkflowJobDeleteJPAExecutor implements JPAExecutor<Void>{
031
032    private String wfJobId = null;
033
034    public WorkflowJobDeleteJPAExecutor(String wfJobId){
035        ParamChecker.notEmpty(wfJobId, "wfJobId");
036        this.wfJobId = wfJobId;
037    }
038
039    /* (non-Javadoc)
040     * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.EntityManager)
041     */
042    @Override
043    public Void execute(EntityManager em) throws JPAExecutorException {
044        WorkflowJobBean job = em.find(WorkflowJobBean.class, this.wfJobId);
045        if (job != null) {
046            em.remove(job);
047        }
048        return null;
049    }
050
051    /* (non-Javadoc)
052     * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
053     */
054    @Override
055    public String getName() {
056        return "WorkflowJobDeleteJPAExecutor";
057    }
058
059}