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;
021import org.apache.oozie.CoordinatorJobBean;
022import org.apache.oozie.ErrorCode;
023import org.apache.oozie.util.ParamChecker;
024
025/**
026 * Update the CoordinatorJob into a Bean and persist it.
027 */
028public class CoordJobUpdateJPAExecutor implements JPAExecutor<Void> {
029
030    private CoordinatorJobBean coordJob = null;
031
032    /**
033     * @param coordJob
034     */
035    public CoordJobUpdateJPAExecutor(CoordinatorJobBean coordJob) {
036        ParamChecker.notNull(coordJob, "CoordinatorJobBean");
037        this.coordJob = coordJob;
038    }
039
040    /*
041     * (non-Javadoc)
042     *
043     * @see org.apache.oozie.executor.jpa.JPAExecutor#execute(javax.persistence.
044     * EntityManager)
045     */
046    @Override
047    public Void execute(EntityManager em) throws JPAExecutorException {
048        try {
049            em.merge(coordJob);
050            return null;
051        }
052        catch (Exception e) {
053            throw new JPAExecutorException(ErrorCode.E0603, e.getMessage(), e);
054        }
055    }
056
057    /*
058     * (non-Javadoc)
059     *
060     * @see org.apache.oozie.executor.jpa.JPAExecutor#getName()
061     */
062    @Override
063    public String getName() {
064        return "CoordinatorUpdateJobJPAExecutor";
065    }
066
067}