clock
Class Model

java.lang.Object
  java.util.Observable
      clock.Model

@ClassPreamble(author="Ian Barnes",
               date="01.04.2007",
               currentRevision=2,
               lastModified="29.03.2007",
               lastModifiedBy="abx")
@ToDo(value={"Add date members","Add alarm members"})
public class Model
extends java.util.Observable

The Model class which maintains the value of of hour, minute, second by getting the current instance of java.util.Calendar It serves as Observable clas to Observer View

Author:

Ian Barnes (2005 original version), abx (2007 adopted for a GUI assignment and javadoc tags added)

Field Summary

(package private) int	hour
(package private) int	minute
(package private) int	oldSecond
(package private) int	second

Constructor Summary

Model()
creates the model by updating the value of hour, minute, second and notifying the observer (view) of the occured change

Method Summary

void	update() updates the state of the model by reasigning the values of hour, minute, second and notifying the observer (view) if the change has occured

Methods inherited from class java.util.Observable

addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged

Methods inherited from class java.lang.Object

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

Field Detail

hour

int hour

minute

int minute

second

int second

oldSecond

int oldSecond

Constructor Detail

Model

public Model()

creates the model by updating the value of hour, minute, second and notifying the observer (view) of the occured change

Method Detail

update

public void update()

updates the state of the model by reasigning the values of hour, minute, second and notifying the observer (view) if the change has occured