edu.usc.cse.desi.viewers
Class AvailabilityCalculator

java.lang.Object
  edu.usc.cse.desi.viewers.AbstractCalculator
      edu.usc.cse.desi.viewers.AvailabilityCalculator

All Implemented Interfaces:

java.util.EventListener, java.beans.PropertyChangeListener

public class AvailabilityCalculator

extends AbstractCalculator

This class listens to changes in the model, and when they occur it will update the given label to the correct availability.

Author:

NeLs Started on Jul 29, 2004

Field Summary

Fields inherited from class edu.usc.cse.desi.viewers.AbstractCalculator

myLabel, myModel

Constructor Summary

AvailabilityCalculator(DESIViewModel model, org.eclipse.swt.widgets.Label label)

Method Summary

protected void	addThisAsAListenerToModel() Add this as a listener to the model.
protected void	calculate() Here's where we calculate the availability and print it to the label.
static double	calculateAvailability(DESIViewModel model) This is a static method that can be used at any time to calculate the availability of a system.
void	propertyChange(java.beans.PropertyChangeEvent arg0) When properties change, we have to re-calculate the availability.
protected void	removeThisAsAListenerFromModel() I overrode this method:

Methods inherited from class edu.usc.cse.desi.viewers.AbstractCalculator

finalize, modelChanged, setMyLabelText

Methods inherited from class java.lang.Object

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

Constructor Detail

AvailabilityCalculator

public AvailabilityCalculator(DESIViewModel model,
                              org.eclipse.swt.widgets.Label label)

Parameters:

model -

label -

Method Detail

addThisAsAListenerToModel

protected void addThisAsAListenerToModel()

Add this as a listener to the model. I overrode this method:

Specified by:

addThisAsAListenerToModel in class AbstractCalculator

See Also:

AbstractCalculator.addThisAsAListenerToModel()

propertyChange

public void propertyChange(java.beans.PropertyChangeEvent arg0)

When properties change, we have to re-calculate the availability. I overrode this method:

See Also:

PropertyChangeListener.propertyChange(java.beans.PropertyChangeEvent)

calculateAvailability

public static double calculateAvailability(DESIViewModel model)

This is a static method that can be used at any time to calculate the availability of a system.

Parameters:

model -

Returns:

calculate

protected void calculate()

Here's where we calculate the availability and print it to the label. I overrode this method:

Specified by:

calculate in class AbstractCalculator

See Also:

AbstractCalculator.calculate()

removeThisAsAListenerFromModel

protected void removeThisAsAListenerFromModel()

I overrode this method:

Specified by:

removeThisAsAListenerFromModel in class AbstractCalculator

See Also:

AbstractCalculator.removeThisAsAListenerFromModel()