net.lecousin.framework.event

Class ListenableProperty<T>

java.lang.Object

net.lecousin.framework.mutable.Mutable<T>

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

Type Parameters:

T - type of data for this property

All Implemented Interfaces:

Listenable<T>, SimpleListenable

public class ListenableProperty<T>
extends Mutable<T>
implements Listenable<T>

Property that calls listeners when modified. It extends Mutable to hold the object of this property, and implements Listenable to add/remove lsiteners. If the set method is called with the same object, listeners are not called. Listeners are called with the PREVIOUS value, to get the current value the get method should be used.

Field Summary

Fields

Modifier and Type	Field and Description
protected Event<T>	event

Fields inherited from class net.lecousin.framework.mutable.Mutable

value

Constructor Summary

Constructors

Constructor and Description
ListenableProperty(T value) Constructor with initial object to hold.

Method Summary

Modifier and Type	Method and Description
void	addListener(Consumer<T> listener) Add a listener.
void	addListener(Runnable listener) Add a listener.
boolean	hasListeners() Return true if at least one listener is present.
void	removeListener(Consumer<T> listener) Remove a listener.
void	removeListener(Runnable listener) Remove a listener.
void	set(T value)

Methods inherited from class net.lecousin.framework.mutable.Mutable

get

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, unlisten

Field Detail

event

protected Event<T> event

Constructor Detail

ListenableProperty

public ListenableProperty(T value)

Constructor with initial object to hold.

Method Detail

set

public void set(T value)

Overrides:

set in class Mutable<T>

addListener

public void addListener(Consumer<T> listener)

Description copied from interface: Listenable

Add a listener.

Specified by:

addListener in interface Listenable<T>

addListener

public void addListener(Runnable listener)

Description copied from interface: SimpleListenable

Add a listener.

Specified by:

addListener in interface SimpleListenable

removeListener

public void removeListener(Consumer<T> listener)

Description copied from interface: Listenable

Remove a listener.

Specified by:

removeListener in interface Listenable<T>

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