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