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.command.bundle;
019
020import org.apache.oozie.BundleJobBean;
021import org.apache.oozie.client.Job;
022import org.apache.oozie.command.CommandException;
023import org.apache.oozie.command.PauseTransitionXCommand;
024import org.apache.oozie.command.PreconditionException;
025import org.apache.oozie.executor.jpa.BundleJobUpdateJPAExecutor;
026import org.apache.oozie.executor.jpa.JPAExecutorException;
027import org.apache.oozie.service.JPAService;
028import org.apache.oozie.service.Services;
029import org.apache.oozie.util.LogUtils;
030
031public class BundlePauseXCommand extends PauseTransitionXCommand {
032    private BundleJobBean bundleJob;
033    private JPAService jpaService = Services.get().get(JPAService.class);
034
035    public BundlePauseXCommand(BundleJobBean bundleJob) {
036        super("bundle_pause", "bundle_pause", 1);
037        this.bundleJob = bundleJob;
038    }
039
040    /* (non-Javadoc)
041     * @see org.apache.oozie.command.XCommand#getEntityKey()
042     */
043    @Override
044    public String getEntityKey() {
045        return bundleJob.getId();
046    }
047
048    /* (non-Javadoc)
049     * @see org.apache.oozie.command.XCommand#isLockRequired()
050     */
051    @Override
052    protected boolean isLockRequired() {
053        return true;
054    }
055
056    /* (non-Javadoc)
057     * @see org.apache.oozie.command.XCommand#loadState()
058     */
059    @Override
060    public void loadState() throws CommandException {
061        LogUtils.setLogInfo(bundleJob, logInfo);
062    }
063
064    /* (non-Javadoc)
065     * @see org.apache.oozie.command.XCommand#verifyPrecondition()
066     */
067    @Override
068    protected void verifyPrecondition() throws CommandException, PreconditionException {
069    }
070
071    /* (non-Javadoc)
072     * @see org.apache.oozie.command.TransitionXCommand#notifyParent()
073     */
074    @Override
075    public void notifyParent() {
076    }
077
078    /* (non-Javadoc)
079     * @see org.apache.oozie.command.TransitionXCommand#getJob()
080     */
081    @Override
082    public Job getJob() {
083        return bundleJob;
084    }
085
086    /* (non-Javadoc)
087     * @see org.apache.oozie.command.TransitionXCommand#updateJob()
088     */
089    @Override
090    public void updateJob() throws CommandException {
091        try {
092            jpaService.execute(new BundleJobUpdateJPAExecutor(bundleJob));
093        }
094        catch (JPAExecutorException e) {
095            throw new CommandException(e);
096        }
097    }
098
099    @Override
100    public void pauseChildren() throws CommandException {
101        // TODO - need revisit when revisiting coord job status redesign;
102
103    }
104
105    @Override
106    public void performWrites() throws CommandException {
107    }
108
109}