public EventExecutor createExecutor(Event.Type type, Listener listener) {
        EventExecutor executor = null;

        if (listener instanceof OptimizedListener) {
            executor = ((OptimizedListener) listener).getEventExecutor(type);
        }

        if (executor == null) { // Fallback executor
            executor = new EventExecutor() {
                public void execute(Listener listener, Event event) {
                    listener.onEvent(event);
                }
            };
        }

        return executor;
    }