org.apache.oozie.command.ResumeTransitionXCommand Maven / Gradle / Ivy
/**
* Copyright (c) 2010 Yahoo! Inc. All rights reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License. See accompanying LICENSE file.
*/
package org.apache.oozie.command;
import org.apache.oozie.client.Job;
public abstract class ResumeTransitionXCommand extends TransitionXCommand {
/**
* Resume all children of the job
*
* @throws CommandException
*/
public abstract void resumeChildren() throws CommandException;
public ResumeTransitionXCommand(String name, String type, int priority) {
super(name, type, priority);
}
public ResumeTransitionXCommand(String name, String type, int priority, boolean dryrun) {
super(name, type, priority, dryrun);
}
/**
* Transit job to PREP from PREPSUSPENDED or to RUNNING from SUSPENDED.
*
* @see org.apache.oozie.command.TransitionXCommand#transitToNext()
*/
@Override
public void transitToNext() {
if (job == null) {
job = this.getJob();
}
if (job.getStatus() == Job.Status.PREPSUSPENDED) {
job.setStatus(Job.Status.PREP);
}
else if (job.getStatus() == Job.Status.SUSPENDED) {
job.setStatus(Job.Status.RUNNING);
}
}
/* (non-Javadoc)
* @see org.apache.oozie.command.XCommand#execute()
*/
@Override
protected Void execute() throws CommandException {
transitToNext();
updateJob();
try {
resumeChildren();
} finally {
notifyParent();
}
return null;
}
}