Package com.github.tadukoo.util.event

Class EventHandler<EventType extends Event,Listener extends EventListener<EventType>>

java.lang.Object

com.github.tadukoo.util.event.EventHandler<EventType,Listener>

Type Parameters:

EventType - The Event subclass to handle events for

Listener - The EventListener implementation to send Events to

public abstract class EventHandler<EventType extends Event,Listener extends EventListener<EventType>>
extends Object

An abstract class to handle the creation of Events and send them out to the various EventListeners to handle them appropriately.

Version:

0.1-Alpha-SNAPSHOT

Author:

Logan Ferree (Tadukoo)

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	inProcess	Whether this EventHandler is currently handling Events
private final List<Listener>	listenerAddQueue	EventListeners to be added once the EventHandler is no longer in process
private final List<Listener>	listenerRemoveQueue	EventListeners to be removed once the EventHandler is no longer in process
private final List<Listener>	listeners	The registered EventListeners to be notified of Events

Constructor Summary

Constructors

Constructor	Description
EventHandler()

Method Summary

Modifier and Type	Method	Description
final void	registerListener(Listener listener)	Register a EventListener so it will be notified of Events handled by this class.
protected final void	sendEventToListeners(EventType e)	Sends the given Event out to all of the registered EventListeners.
final void	unregisterListener(Listener listener)	Unregisters a EventListener so it will no longer be notified about Events handled by this class.

Methods inherited from class java.lang.Object

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

Field Details

listeners

private final List<Listener extends EventListener<EventType>> listeners

The registered EventListeners to be notified of Events

inProcess

private boolean inProcess

Whether this EventHandler is currently handling Events

listenerAddQueue

private final List<Listener extends EventListener<EventType>> listenerAddQueue

EventListeners to be added once the EventHandler is no longer in process

listenerRemoveQueue

private final List<Listener extends EventListener<EventType>> listenerRemoveQueue

EventListeners to be removed once the EventHandler is no longer in process

Constructor Details

EventHandler

public EventHandler()

Method Details

registerListener

public final void registerListener(Listener listener)

Register a EventListener so it will be notified of Events handled by this class.

Parameters:

listener - The EventListener to register

unregisterListener

public final void unregisterListener(Listener listener)

Unregisters a EventListener so it will no longer be notified about Events handled by this class.

Parameters:

listener - The EventListener to unregister

sendEventToListeners

protected final void sendEventToListeners(EventType e)

Sends the given Event out to all of the registered EventListeners.

Parameters:

e - The Event to send out