// Check if there are any events with equal priority
// for this actor. If so, make them available to the
// actor at the same time.
Actor actor = event.actor();
if ((actor == getContainer()) || !actor.prefire()) {
// If the actor is the container of this director,
// then the event is at the output boundary.
// Remove the event and look at the next event.
_eventQueue.take();
event = null;