/*
* JBoss, Home of Professional Open Source
* Copyright 2009 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.infinispan.profiling.testinternals;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
/**
* Essentially a delegate to an ExecutorService, but a special one that is only used by perf tests so it can be ignored
* when profiling.
*/
public class TaskRunner {
ExecutorService exec;
public TaskRunner(int numThreads) {
this(numThreads, false);
}
public TaskRunner(int numThreads, final boolean warmup) {
final AtomicInteger counter = new AtomicInteger(0);
final ThreadGroup tg = new ThreadGroup(Thread.currentThread().getThreadGroup(), warmup ? "WarmupLoadGenerators" : "LoadGenerators");
this.exec = Executors.newFixedThreadPool(numThreads, new ThreadFactory() {
public Thread newThread(Runnable r) {
return new Thread(tg, r, (warmup ? "WarmupLoadGenerator-" : "LoadGenerator-") + counter.incrementAndGet());
}
});
}
public void execute(Runnable r) {
exec.execute(r);
}
public void stop() throws InterruptedException {
exec.shutdown();
while (!exec.awaitTermination(30, TimeUnit.SECONDS)) Thread.sleep(30);
}
}