/** * Posts an event to all registered handlers. This method will return * successfully after the event has been posted to all handlers, and * regardless of any exceptions thrown by handlers. * * <p>If no handlers have been subscribed for {@code event}'s class, and * {@code event} is not already a {@link DeadEvent}, it will be wrapped in a * DeadEvent and reposted. * * @param event event to post. */ public void post(Object event) { Set<Class<?>> dispatchTypes = flattenHierarchy(event.getClass()); boolean dispatched = false; for (Class<?> eventType : dispatchTypes) { Set<EventHandler> wrappers = getHandlersForEventType(eventType); if (wrappers != null && !wrappers.isEmpty()) { dispatched = true; for (EventHandler wrapper : wrappers) { enqueueEvent(event, wrapper); } } } if (!dispatched && !(event instanceof DeadEvent)) { post(new DeadEvent(this, event)); } dispatchQueuedEvents(); }