private void initEventQueue(Engine engine) {
ExecutionEventQueue newEventQueue = CachingExecutionEventQueue.newArrayListInstance();
ListenerCache cache = CachingExecutionEventQueue.getListenerCache();
for (HibProcessListener listener : getListeners()) {
newEventQueue.addListener(
engine, cache.getListener(listener.getType()), listener.getEventType());
}
eventQueue = newEventQueue;
}
@Override
public void addExecutionListener(ExecutionListener listener, ExecutionEventType... eventTypes) {
if (eventTypes == null || listener == null) {
return;
}
globalEventQueue.addListener(this, listener, eventTypes);
listenerCache.ensureContainsListenerType(listener);
}
@Override
public void fireEvent(final ExecutionEvent event) {
globalEventQueue.fireEvent(event);
event.getProcess().getEventQueue().fireEvent(event);
}
@Override
public void removeExecutionListener(
final ExecutionListener listener, final ExecutionEventType... eventTypes) {
globalEventQueue.removeListener(this, listener, eventTypes);
}
@Override
public void removeListener(
Engine engine, ExecutionListener listener, ExecutionEventType... eventTypes) {
initEventQueue(engine);
eventQueue.removeListener(engine, listener, eventTypes);
}
@Override
public void fireEvent(ExecutionEvent event) {
initEventQueue(event.getEngine());
eventQueue.fireEvent(event);
}