Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/******************************************************************************* 
 * 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
 ******************************************************************************/

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;

public class Main {
    /**
     * 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;
    }
}