Java Thread Callable runConcurrently(final Callable task)

Description

Runs a task concurrently.

License

Open Source License

Parameter

Parameter	Description
task	a Callable to run concurrently.

Exception

Parameter	Description
Exception	if any of the executed tasks fails.

Declaration

public static void runConcurrently(final Callable<Void> task)
        throws Exception 

Method Source Code

//package com.java2s;

import java.util.ArrayList;

import java.util.List;

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;

public class Main {
    /**/*  www . ja  va2s. c o m*/
     * Runs a task concurrently. Allows to test thread-safe behavior.
     *
     * @param task a {@link Callable} to run concurrently.
     * @throws Exception if any of the executed tasks fails.
     */
    public static void runConcurrently(final Callable<Void> task)
            throws Exception {
        final ExecutorService service = Executors.newFixedThreadPool(5);
        final List<Future<?>> futures = new ArrayList<Future<?>>();
        for (int i = 0; i < 10; i++) {
            futures.add(service.submit(task));
        }
        for (final Future<?> future : futures) {
            future.get();
        }
    }
}

Related

1. repeatedlyTry(Callable task, int maxRounds, long backoff)
2. resolveCompositeKey(final String key, final Map props)
3. resolveSingle(Object object)
4. runAndRethrowRuntimeExceptionOnFailure(final Callable operation, final String exceptionMessage)
5. runConcurrently(final Callable task)
6. runConcurrently(final Callable task, final int times)
7. runInBackground(final Callable callable)
8. runTest(Callable test)
9. runWithTimeout(long millisTimeout, Callable callable)