com.softwareag.mobile.runtime.toolkit.util

Class Observable

java.lang.Object

com.softwareag.mobile.runtime.toolkit.util.Observable

Direct Known Subclasses:

AbstractListDatasource, ContextKeyStore

public class Observable
extends java.lang.Object

An implementation of the Observer-pattern to notify a set of registered Observer's that the data associated with this Objects has been changed.

Version:

10.3.0.0002-0443

Constructor Summary

Constructors

Constructor and Description
Observable()

Method Summary

Modifier and Type	Method and Description
void	addObserver(Observer observer) Adds a new Observer if it's not already registered.
void	deleteObserver(Observer observer) Deletes a registered Observer.
void	notifyObservers() Notifies all registered Observer's.
void	notifyObservers(java.lang.Object object) Notifies all registered Observer's that the data has been changed.

Methods inherited from class java.lang.Object

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

Constructor Detail

Observable

public Observable()

Method Detail

notifyObservers

public void notifyObservers()

Notifies all registered Observer's.
Delegates to notifyObservers(Object) by passing null.

notifyObservers

public void notifyObservers(java.lang.Object object)

Notifies all registered Observer's that the data has been changed. This method is thread safe.

Parameters:

object -

addObserver

public void addObserver(Observer observer)

Adds a new Observer if it's not already registered.

Parameters:

observer -

deleteObserver

public void deleteObserver(Observer observer)

Deletes a registered Observer.

Parameters:

observer -