org.perfectjpattern.core.behavioral.observer
Class DigitalClock

java.lang.Object
  org.perfectjpattern.core.behavioral.observer.DigitalClock

All Implemented Interfaces:

IObserver<Date>, IClock, IWidget

public class DigitalClock
extends Object
implements IClock

Concrete implementation of IClock of type Digital

Version:

$Revision: 1.0 $Date: May 25, 2008 3:40:41 PM $

Author:

Giovanni Azua

Constructor Summary

DigitalClock()

Method Summary

void	draw()
protected static void	setLogger(org.slf4j.Logger aLogger)
void	update(Date aDate) Notification from ISubject instance that a change has ocurred.

Methods inherited from class java.lang.Object

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

Constructor Detail

DigitalClock

public DigitalClock()

Method Detail

draw

public void draw()

Specified by:

draw in interface IWidget

update

public void update(Date aDate)

Notification from ISubject instance that a change has ocurred.

Specified by:

update in interface IObserver<Date>

Parameters:

aDate - Event data pushed to IObserver instances.

setLogger

protected static void setLogger(org.slf4j.Logger aLogger)