jas.hist.util
Class ObserverAdapter

java.lang.Object
  java.util.Observable
      jas.hist.util.ObserverAdapter

All Implemented Interfaces:

Observer

Direct Known Subclasses:

OneDAdapter, ScatterTwoDAdapter, TwoDAdapter

public class ObserverAdapter
extends Observable
implements Observer

An ObserverAdapter can be used as a base class for class that wants to act as both and Observer and Observable, and relay things it observers to its Observers.

Constructor Summary

ObserverAdapter()

ObserverAdapter(Observable obs)

Method Summary

void	addObserver(Observer o)
void	clearObservable()
void	deleteObserver(Observer o)
void	deleteObservers()
void	setObservable(Observable newObs)
void	update(Observable o, Object arg) When the object which we are observing is updated, relay the response to our observers

Methods inherited from class java.util.Observable

clearChanged, countObservers, hasChanged, notifyObservers, notifyObservers, setChanged

Methods inherited from class java.lang.Object

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

Constructor Detail

ObserverAdapter

public ObserverAdapter(Observable obs)

ObserverAdapter

public ObserverAdapter()

Method Detail

setObservable

public void setObservable(Observable newObs)

clearObservable

public void clearObservable()

update

public void update(Observable o,
                   Object arg)

When the object which we are observing is updated, relay the response to our observers

Specified by:

update in interface Observer

addObserver

public void addObserver(Observer o)

Overrides:

addObserver in class Observable

deleteObserver

public void deleteObserver(Observer o)

Overrides:

deleteObserver in class Observable

deleteObservers

public void deleteObservers()

Overrides:

deleteObservers in class Observable