jas2.hist.util

Class ObserverAdapter

java.lang.Object

java.util.Observable

jas2.hist.util.ObserverAdapter

All Implemented Interfaces:

java.util.Observer

Direct Known Subclasses:

MemoryDataSource, OneDAdapter, PartitionAdapter, ScatterTwoDAdapter, TwoDAdapter

public class ObserverAdapter
extends java.util.Observable
implements java.util.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

Constructors

Constructor and Description
ObserverAdapter()
ObserverAdapter(java.util.Observable obs)

Method Summary

Modifier and Type	Method and Description
void	addObserver(java.util.Observer o)
void	clearObservable()
void	deleteObserver(java.util.Observer o)
void	deleteObservers()
void	setObservable(java.util.Observable newObs)
void	update(java.util.Observable o, java.lang.Object arg) When the object which we are observing is updated, relay the response to our observers

Methods inherited from class java.util.Observable

countObservers, hasChanged, notifyObservers, notifyObservers

Methods inherited from class java.lang.Object

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

Constructor Detail

ObserverAdapter

public ObserverAdapter(java.util.Observable obs)

ObserverAdapter

public ObserverAdapter()

Method Detail

setObservable

public void setObservable(java.util.Observable newObs)

clearObservable

public void clearObservable()

update

public void update(java.util.Observable o,
                   java.lang.Object arg)

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

Specified by:

update in interface java.util.Observer

addObserver

public void addObserver(java.util.Observer o)

Overrides:

addObserver in class java.util.Observable

deleteObserver

public void deleteObserver(java.util.Observer o)

Overrides:

deleteObserver in class java.util.Observable

deleteObservers

public void deleteObservers()

Overrides:

deleteObservers in class java.util.Observable