com.microej.kf.util.observable

Class KernelObservable

java.lang.Object

ej.observable.Observable

com.microej.kf.util.observable.KernelObservable

public class KernelObservable
extends Observable

Extension of Observable which can handle observers from any Module.

Constructor Summary

Constructors

Constructor and Description
KernelObservable() Creates a kernel observable.

Method Summary

Modifier and Type	Method and Description
void	addObserver(Observer observer) Adds an observer to the set of observers for this observable.
void	dispose() Disposes this kernel observable.

Methods inherited from class ej.observable.Observable

clearChanged, countObservers, deleteObserver, deleteObservers, getObservers, hasChanged, notifyObservers, setChanged

Methods inherited from class java.lang.Object

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

Constructor Detail

KernelObservable

public KernelObservable()

Creates a kernel observable.

This registers a feature state listener in the kernel. The dispose() method has to be called once this object is not used anymore in order to unregister the feature state listener.

Method Detail

addObserver

public void addObserver(Observer observer)

Adds an observer to the set of observers for this observable.

If the observer is already added, nothing changes.

The order in which notifications will be delivered to multiple observers is not specified.

Overrides:

addObserver in class Observable

Parameters:

observer - an observer to add.

Throws:

IllegalStateException - if this kernel observable has been disposed.

dispose

public void dispose()

Disposes this kernel observable. Once it is disposed, observers can not be registered anymore.