game.pubsub
Class BasePublisher<E extends PubSubEvent>

java.lang.Object
  game.pubsub.BasePublisher<E>

Type Parameters:

E - the event type for notification

All Implemented Interfaces:

Publisher<E>

Direct Known Subclasses:

Clock, CollisionDetector, Piece

public class BasePublisher<E extends PubSubEvent>
extends java.lang.Object
implements Publisher<E>

Simple implementation of a Publisher that keeps track of Subscribers using a LinkedList

Constructor Summary

BasePublisher()

Method Summary

void	addSubscriber(Subscriber<E> subscriber) Add a new subscriber.
void	notifySubscribers(E e) Informs all subscribers than an event has occured by calling their observeEvent() method.
void	removeSubscriber(Subscriber<E> subscriber) Remove a subscriber.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BasePublisher

public BasePublisher()

Method Detail

addSubscriber

public void addSubscriber(Subscriber<E> subscriber)

Add a new subscriber.

Specified by:

addSubscriber in interface Publisher<E extends PubSubEvent>

Parameters:

subscriber - is the new subscriber being added

removeSubscriber

public void removeSubscriber(Subscriber<E> subscriber)

Remove a subscriber.

Specified by:

removeSubscriber in interface Publisher<E extends PubSubEvent>

Parameters:

subscriber - is the subscriber being removed

notifySubscribers

public final void notifySubscribers(E e)

Informs all subscribers than an event has occured by calling their observeEvent() method.

Specified by:

notifySubscribers in interface Publisher<E extends PubSubEvent>

Parameters:

e - the event to be passed onto the subscribers