net.lecousin.framework.event

Class SimpleListenableContainer<T extends SimpleListenable>

java.lang.Object

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

Type Parameters:

T - type of event

All Implemented Interfaces:

SimpleListenable

Direct Known Subclasses:

SplashScreen, WorkProgressImpl

public abstract class SimpleListenableContainer<T extends SimpleListenable>
extends Object
implements SimpleListenable

Class that implements SimpleListenable and delegate to an event of type T which is lazily instantiated on its first listener.

Field Summary

Fields

Modifier and Type	Field and Description
protected T	event

Constructor Summary

Constructors

Constructor and Description
SimpleListenableContainer()

Method Summary

Modifier and Type	Method and Description
void	addListener(Runnable listener) Add a listener.
protected abstract T	createEvent()
boolean	hasListeners() Return true if at least one listener is present.
void	removeListener(Runnable listener) Remove a listener.

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.SimpleListenable

listen, unlisten

Field Detail

event

protected T extends SimpleListenable event

Constructor Detail

SimpleListenableContainer

public SimpleListenableContainer()

Method Detail

createEvent

protected abstract T createEvent()

addListener

public void addListener(Runnable listener)

Description copied from interface: SimpleListenable

Add a listener.

Specified by:

addListener in interface SimpleListenable

removeListener

public void removeListener(Runnable listener)

Description copied from interface: SimpleListenable

Remove a listener.

Specified by:

removeListener in interface SimpleListenable

hasListeners

public boolean hasListeners()

Description copied from interface: SimpleListenable

Return true if at least one listener is present.

Specified by:

hasListeners in interface SimpleListenable