net.lecousin.framework.event

Class SingleEvent<T>

java.lang.Object

net.lecousin.framework.event.AbstractSimpleListenable

net.lecousin.framework.event.AbstractListenable<T>

net.lecousin.framework.event.SingleEvent<T>

Type Parameters:

T - type of data given to listeners

All Implemented Interfaces:

Listenable<T>, SimpleListenable

public class SingleEvent<T>
extends AbstractListenable<T>

A SingleEvent is an event that can occur only once. If a listener is added when the event already occured, the listener is fired immediately.

Field Summary

Fields inherited from class net.lecousin.framework.event.AbstractListenable

listenersConsumer

Fields inherited from class net.lecousin.framework.event.AbstractSimpleListenable

listenersRunnable

Constructor Summary

Constructors

Constructor and Description
SingleEvent()

Method Summary

Modifier and Type	Method and Description
void	addListener(Consumer<T> listener) Add a listener.
void	addListener(Runnable listener) Add a listener.
void	fire(T event) Fire the event.
boolean	occured() Return true if the event has been already fired.

Methods inherited from class net.lecousin.framework.event.AbstractListenable

hasListeners, removeListener

Methods inherited from class net.lecousin.framework.event.AbstractSimpleListenable

removeListener

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.lecousin.framework.event.Listenable

listen, unlisten

Methods inherited from interface net.lecousin.framework.event.SimpleListenable

listen, removeListener, unlisten

Constructor Detail

SingleEvent

public SingleEvent()

Method Detail

addListener

public void addListener(Consumer<T> listener)

Description copied from interface: Listenable

Add a listener.

Specified by:

addListener in interface Listenable<T>

Overrides:

addListener in class AbstractListenable<T>

addListener

public void addListener(Runnable listener)

Description copied from interface: SimpleListenable

Add a listener.

Specified by:

addListener in interface SimpleListenable

Overrides:

addListener in class AbstractSimpleListenable

fire

public void fire(T event)

Fire the event.

Throws:

IllegalStateException - if the event has been already fired.

occured

public boolean occured()

Return true if the event has been already fired.