Package org.appng.api.observe.impl

Class ObservableDelegate<T extends Observable<T>>

java.lang.Object

org.appng.api.observe.impl.ObservableDelegate<T>

Type Parameters:

T - the type which is observed

All Implemented Interfaces:

Observable<T>

public class ObservableDelegate<T extends Observable<T>>
extends Object
implements Observable<T>

Observable-implementation which delegates to a given Observable.

Author:

Matthias Müller

Nested Class Summary

Nested classes/interfaces inherited from interface org.appng.api.observe.Observable

Observable.Event

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ObservableDelegate()
	ObservableDelegate(T observable)	Creates a new ObservableDelegate which delegates to the given Observable.

Method Summary

Modifier and Type	Method	Description
boolean	addObserver(Observer<? super T> observer)	Adds an Observer.
void	notifyObservers(Observable.Event event)	Notifies the Observers.
boolean	removeObserver(Observer<? super T> observer)	Removes an Observer.
protected void	setObeservable(T observable)

Methods inherited from class java.lang.Object

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

Constructor Detail

ObservableDelegate

public ObservableDelegate(T observable)

Creates a new ObservableDelegate which delegates to the given Observable.

Parameters:

observable - the Observable to delegate to.

ObservableDelegate

protected ObservableDelegate()

Method Detail

setObeservable

protected void setObeservable(T observable)

addObserver

public boolean addObserver(Observer<? super T> observer)

Description copied from interface: Observable

Adds an Observer.

Specified by:

addObserver in interface Observable<T extends Observable<T>>

Parameters:

observer - the Observer to be added

Returns:

true if adding the Observer was successful, false otherwise

removeObserver

public boolean removeObserver(Observer<? super T> observer)

Description copied from interface: Observable

Removes an Observer.

Specified by:

removeObserver in interface Observable<T extends Observable<T>>

Parameters:

observer - the Observer to be removed

Returns:

true if removing the Observer was successful, false otherwise

notifyObservers

public void notifyObservers(Observable.Event event)

Description copied from interface: Observable

Notifies the Observers.

Specified by:

notifyObservers in interface Observable<T extends Observable<T>>

Parameters:

event - an Observable.Event