co.paralleluniverse.common.util.SameThreadExecutorService Maven / Gradle / Ivy
/*
* Copyright (c) 2013-2014, Parallel Universe Software Co. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 3.0
* as published by the Free Software Foundation.
*/
package co.paralleluniverse.common.util;
import java.util.List;
import java.util.concurrent.AbstractExecutorService;
import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.TimeUnit;
/**
*
* @author pron
*/
public final class SameThreadExecutorService extends AbstractExecutorService implements Executor {
private static final SameThreadExecutorService INSTANCE = new SameThreadExecutorService();
public static ExecutorService getExecutorService() {
return INSTANCE;
}
@Override
public void execute(Runnable command) {
command.run();
}
@Override
public void shutdown() {
}
@Override
public List shutdownNow() {
throw new UnsupportedOperationException();
}
@Override
public boolean isShutdown() {
return false;
}
@Override
public boolean isTerminated() {
return false;
}
@Override
public boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException {
throw new UnsupportedOperationException();
}
private SameThreadExecutorService() {
}
}