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