public synchronized void exception(Exception e) {
this.exception = e;
for (AsyncCallback<T> callback : callbacks) {
callback.exception(exception);
}
notifyAll();
}
/** @param callback */
public synchronized void get(final AsyncCallback<T> callback) {
if (pigeon != null) {
callback.result(pigeon);
} else if (exception != null) {
callback.exception(exception);
} else {
this.callbacks.add(callback);
// check for timeouts
final Task timeoutTask =
ThreadManager.spi
.create()
.queue(
new Runnable() {
public void run() {
synchronized (PigeonHole.this) {
callbacks.remove(callback);
callback.exception(new TimeoutException());
}
}
},
System.currentTimeMillis() + timeout);
if (timeoutTask != null) {
this.callbacks.add(
new AsyncCallback<T>() {
public void result(T result) {
timeoutTask.cancel();
}
public void exception(Exception e) {
timeoutTask.cancel();
}
});
}
}
}