/*
* Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project 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
* General Public License or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
* <http://www.gnu.org/licenses/> or <http://www.apache.org/licenses/LICENSE-2.0>.
*
* Additional permission under the GNU Affero GPL version 3 section 7
* ------------------------------------------------------------------
* If you modify this Program, or any covered work, by linking or
* combining it with other code, such other code is not for that reason
* alone subject to any of the requirements of the GNU Affero GPL
* version 3.
*/
package org.smallmind.seda;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicBoolean;
import org.smallmind.scribe.pen.LoggerManager;
public class EventProcessor<I extends Event, O extends Event> implements Runnable {
private CountDownLatch exitLatch;
private SedaConfiguration sedaConfiguration;
private EventQueue<I> eventQueue;
private WorkMonitor monitor;
private AtomicBoolean stopped = new AtomicBoolean(false);
public EventProcessor (EventQueue<I> eventQueue, DurationMonitor durationMonitor, SedaConfiguration sedaConfiguration) {
this.eventQueue = eventQueue;
monitor = new WorkMonitor(durationMonitor, sedaConfiguration.getWorkTrackingTime(), sedaConfiguration.getWorkTrackingTimeUnit());
exitLatch = new CountDownLatch(1);
}
protected WorkMonitor getMonitor () {
return monitor;
}
public double getIdlePercentage () {
return monitor.getIdlePercentage();
}
public double getActivePercentage () {
return monitor.getActivePercentage();
}
public boolean isRunning () {
return !stopped.get();
}
protected void stop ()
throws InterruptedException {
stopped.compareAndSet(false, true);
exitLatch.await();
}
public void run () {
I inputEvent;
StopWatch stopWatch = new StopWatch();
try {
stopWatch.click();
while (!stopped.get()) {
if ((inputEvent = eventQueue.poll(sedaConfiguration.getQueuePollTimeout(), sedaConfiguration.getQueuePollTimeUnit())) != null) {
monitor.addIdleTime(stopWatch.click());
//TODO: HandleEvent
monitor.addActiveTime(stopWatch.click());
}
else {
monitor.addIdleTime(stopWatch.click());
}
}
}
catch (InterruptedException interruptedException) {
stopped.compareAndSet(false, true);
LoggerManager.getLogger(EventProcessor.class).error(interruptedException);
}
finally {
exitLatch.countDown();
}
}
}