/*******************************************************************************
* Copyright (c) 2015 Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is made available under the terms of the
* Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Red Hat Incorporated - initial API and implementation
******************************************************************************/
package org.jboss.tools.openshift.internal.common.core.util;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
/**
* @author Andre Dietisheim
*/
public class ThreadUtils {
/**
* Runs and blocking waits for the given callable to finish for the given
* time. Returns <code>null</code> if timeouts waiting for callable value.
*
* @param millisTimeout
* @param callable
* @return
*/
public static <R> R runWithTimeout(long millisTimeout, Callable<R> callable) {
ExecutorService singleThreadExecutor = Executors.newFixedThreadPool(1);
Future<R> future = singleThreadExecutor.submit(callable);
try {
return future.get(millisTimeout, TimeUnit.MILLISECONDS);
} catch (InterruptedException | ExecutionException | TimeoutException e) {
} finally {
singleThreadExecutor.shutdown();
}
return null;
}
}