/*
* ProActive Parallel Suite(TM):
* The Open Source library for parallel and distributed
* Workflows & Scheduling, Orchestration, Cloud Automation
* and Big Data Analysis on Enterprise Grids & Clouds.
*
* Copyright (c) 2007 - 2017 ActiveEon
* Contact: contact@activeeon.com
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License
* as published by the Free Software Foundation: version 3 of
* the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* If needed, contact us to obtain a release under GPL Version 2 or 3
* or a different license than the AGPL.
*/
package org.ow2.proactive.scheduler.task.utils;
import java.util.Timer;
import java.util.TimerTask;
import org.ow2.proactive.scheduler.task.utils.task.termination.TaskKiller;
public class WallTimer {
private Timer timer;
private final TaskKiller taskKiller;
private final long wallTimeDuration;
/**
* Create and start a WallTimer instance.
*
* @param wallTimeDuration the maximum timeout period to wait for (in ms).
* @param taskKiller the task killer used to kill the task once the timeout is reached.
*/
public WallTimer(final long wallTimeDuration, final TaskKiller taskKiller) {
this.wallTimeDuration = wallTimeDuration;
this.taskKiller = taskKiller;
this.timer = new Timer();
}
public void start() {
if (wallTimeDuration > 0) {
timer.schedule(new TimerTask() {
@Override
public void run() {
synchronized (this) {
taskKiller.kill(TaskKiller.Status.WALLTIME_REACHED);
}
}
}, wallTimeDuration);
}
}
public synchronized boolean hasWallTimed() {
return taskKiller.wasKilled();
}
public synchronized void stop() {
if (timer != null) {
timer.cancel();
}
}
}