arez

Class Observer

java.lang.Object

arez.Node

arez.Observer

All Implemented Interfaces:

Disposable

public final class Observer
extends Node

A node within Arez that is notified of changes in 0 or more Observables.

Method Summary

Modifier and Type	Method and Description
void	dispose() Make the Observer INACTIVE and release any resources associated with observer.
boolean	isDisposed() Return true if dispose() has been called on object.

Methods inherited from class arez.Node

getName, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface arez.Disposable

asDisposable, dispose, isDisposed

Method Detail

dispose

public void dispose()

Make the Observer INACTIVE and release any resources associated with observer. The applications should NOT interact with the Observer after it has been disposed.

isDisposed

public boolean isDisposed()

Return true if dispose() has been called on object. This is very useful when the Disposable is a @Computed value representing the selected item in a UI component but the item can be disposed by other agents within the system. (i.e. The item was removed from the server).

Returns:

true if dispose has been called.