Package jsl.observers

Class TestObserverableObserver.Observable

java.lang.Object

jsl.observers.TestObserverableObserver.Observable

All Implemented Interfaces:

ObservableIfc

Enclosing class:

TestObserverableObserver

public class TestObserverableObserver.Observable
extends java.lang.Object
implements ObservableIfc

Constructor Summary

Constructors

Constructor	Description
Observable()

Method Summary

Modifier and Type	Method	Description
void	addObserver(ObserverIfc observer)	Allows the adding (attaching) of an observer to the observable
void	changeState()
boolean	contains(ObserverIfc observer)	Returns true if the observer is already attached
int	countObservers()	Returns how many observers are currently observing the observable
void	deleteObserver(ObserverIfc observer)	Allows the deletion (removing) of an observer from the observable
void	deleteObservers()	Deletes all the observers from the observable

Methods inherited from class java.lang.Object

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

Constructor Detail

Observable

public Observable()

Method Detail

addObserver

public void addObserver(ObserverIfc observer)

Description copied from interface: ObservableIfc

Allows the adding (attaching) of an observer to the observable

Specified by:

addObserver in interface ObservableIfc

Parameters:

observer - the observer to attach

deleteObserver

public void deleteObserver(ObserverIfc observer)

Description copied from interface: ObservableIfc

Allows the deletion (removing) of an observer from the observable

Specified by:

deleteObserver in interface ObservableIfc

Parameters:

observer - the observer to delete

contains

public boolean contains(ObserverIfc observer)

Description copied from interface: ObservableIfc

Returns true if the observer is already attached

Specified by:

contains in interface ObservableIfc

Parameters:

observer - the observer to check

Returns:

true if attached

deleteObservers

public void deleteObservers()

Description copied from interface: ObservableIfc

Deletes all the observers from the observable

Specified by:

deleteObservers in interface ObservableIfc

countObservers

public int countObservers()

Description copied from interface: ObservableIfc

Returns how many observers are currently observing the observable

Specified by:

countObservers in interface ObservableIfc

Returns:

number of observers

changeState

public void changeState()