static void test() throws Throwable {
final ExecutorService executor = Executors.newCachedThreadPool();
final NotificationReceiver notifiee1 = new NotificationReceiver();
final NotificationReceiver notifiee2 = new NotificationReceiver();
final Collection<Callable<Object>> tasks = new ArrayList<Callable<Object>>();
tasks.add(new BlockingTask(notifiee1));
tasks.add(new BlockingTask(notifiee2));
tasks.add(new NonBlockingTask());
// start a thread to invoke the tasks
Thread thread =
new Thread() {
public void run() {
try {
executor.invokeAll(tasks);
} catch (RejectedExecutionException t) {
/* OK */
} catch (Throwable t) {
unexpected(t);
}
}
};
thread.start();
// Wait until tasks begin execution
notifiee1.waitForNotification();
notifiee2.waitForNotification();
// Now try to shutdown the executor service while tasks
// are blocked. This should cause the tasks to be
// interrupted.
executor.shutdownNow();
if (!executor.awaitTermination(5, TimeUnit.SECONDS)) throw new Error("Executor stuck");
// Wait for the invocation thread to complete.
thread.join(1000);
if (thread.isAlive()) {
thread.interrupt();
thread.join(1000);
throw new Error("invokeAll stuck");
}
}
public Object call() throws InterruptedException {
notifiee.sendNotification();
// wait indefinitely until task is interrupted
while (true) {
synchronized (this) {
wait();
}
}
}
