参考SwingWorker代码：
/**
* returns workersExecutorService.
*
* returns the service stored in the appContext or creates it if
* necessary.
*
* @return ExecutorService for the {@code SwingWorkers}
*/
private static synchronized ExecutorService getWorkersExecutorService() {
final AppContext appContext = AppContext.getAppContext();
ExecutorService executorService =
(ExecutorService) appContext.get(SwingWorker.class);
if (executorService == null) {
//this creates daemon threads.
ThreadFactory threadFactory =
new ThreadFactory() {
final ThreadFactory defaultFactory =
Executors.defaultThreadFactory();
public Thread newThread(final Runnable r) {
Thread thread =
defaultFactory.newThread(r);
thread.setName("SwingWorker-"
+ thread.getName());
thread.setDaemon(true);
return thread;
}
};
executorService =
new ThreadPoolExecutor(MAX_WORKER_THREADS, MAX_WORKER_THREADS,
10L, TimeUnit.MINUTES,
new LinkedBlockingQueue<Runnable>(),
threadFactory);
appContext.put(SwingWorker.class, executorService);
// Don't use ShutdownHook here as it's not enough. We should track
// AppContext disposal instead of JVM shutdown, see 6799345 for details
final ExecutorService es = executorService;
appContext.addPropertyChangeListener(AppContext.DISPOSED_PROPERTY_NAME,
new PropertyChangeListener() {
@Override
public void propertyChange(PropertyChangeEvent pce) {
boolean disposed = (Boolean)pce.getNewValue();
if (disposed) {
final WeakReference<ExecutorService> executorServiceRef =
new WeakReference<ExecutorService>(es);
final ExecutorService executorService =
executorServiceRef.get();
if (executorService != null) {
AccessController.doPrivileged(
new PrivilegedAction<Void>() {
public Void run() {
executorService.shutdown();
return null;
}
}
);
}
}
}
}
);
}
return executorService;
}
转载于:https://www.cnblogs.com/cuizhf/archive/2011/12/25/2301143.html
