net.sourceforge.jaulp.designpattern.observer
Class AbstractSubject<T>

java.lang.Object
  net.sourceforge.jaulp.designpattern.observer.AbstractSubject<T>

All Implemented Interfaces:

Subject<T>

public abstract class AbstractSubject<T>
extends java.lang.Object
implements Subject<T>

The Class AbstractSubject.

Constructor Summary

AbstractSubject()
Instantiates a new abstract subject.

Method Summary

void	addObserver(Observer<T> observer) Adds the given observer.
void	addObservers(java.util.Collection<Observer<T>> observers) Adds the given observers.
T	getObservable() Gets the observable.
void	observableChanged() Observable have changed.
void	removeObserver(Observer<T> observer) Removes the given observer.
void	removeObservers(java.util.Collection<Observer<T>> observers) Removes the given observers.
void	setObservable(T observable) Sets the observable.
void	updateObservers() Update observers.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractSubject

public AbstractSubject()

Instantiates a new abstract subject.

Method Detail

getObservable

public T getObservable()

Gets the observable.

Returns:

the observable

setObservable

public void setObservable(T observable)

Sets the observable.

Parameters:

observable - the new observable

addObserver

public void addObserver(Observer<T> observer)

Adds the given observer.

Specified by:

addObserver in interface Subject<T>

Parameters:

observer - the observer to be added.

See Also:

Subject.addObserver(net.sourceforge.jaulp.designpattern.observer.ifaces.Observer)

addObservers

public void addObservers(java.util.Collection<Observer<T>> observers)

Adds the given observers.

Specified by:

addObservers in interface Subject<T>

Parameters:

observers - the observers to be added.

See Also:

Subject.addObservers(java.util.Collection)

removeObserver

public void removeObserver(Observer<T> observer)

Removes the given observer.

Specified by:

removeObserver in interface Subject<T>

Parameters:

observer - the observer to be remove.

See Also:

Subject.removeObserver(net.sourceforge.jaulp.designpattern.observer.ifaces.Observer)

removeObservers

public void removeObservers(java.util.Collection<Observer<T>> observers)

Removes the given observers.

Specified by:

removeObservers in interface Subject<T>

Parameters:

observers - the observers to be remove.

See Also:

Subject.removeObservers(java.util.Collection)

updateObservers

public void updateObservers()

Update observers.

Specified by:

updateObservers in interface Subject<T>

See Also:

Subject.updateObservers()

observableChanged

public void observableChanged()

Observable have changed. Inform all registred observer.