Class observable.ObservableDbl 
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Class observable.ObservableDbl 

java.lang.Object
   |
   +----java.util.Observable
           |
           +----observable.ObservableDbl
public class ObservableDbl
extends Observable
Observable mechanism for a double variable. Adapted from Listing 21.14 of "Special Edition, Using Java". Added the maximum and minimum features.
Version:
1.0 02-24-97
Author:
Daren Stotler
See Also:
ObservableTest

Constructor Index

o ObservableDbl()
Simplest constructor with a default value initialization.
o ObservableDbl(double)
Initializes the class instance with a specified value for the observable double.

Method Index

o getMaximum()
Get the maximum allowed value for the ObservableDbl.
o getMinimum()
Get the minimum allowed value for the ObservableDbl.
o getValue()
Get the current value of the observable.
o setMaximum(double)
Set the maximum allowed value for the ObservableDbl.
o setMinimum(double)
Set the minimum allowed value for the ObservableDbl.
o setValue(double)
Call this method to change the value of the observable.

Constructors

o ObservableDbl 
  public ObservableDbl()
Simplest constructor with a default value initialization.
o ObservableDbl 
  public ObservableDbl(double new_value)
Initializes the class instance with a specified value for the observable double.
Parameters:
new_value - initial value

Methods

o setValue 
  public synchronized void setValue(double new_value)
Call this method to change the value of the observable. Observers will be notified of the change.
Parameters:
new_value - altered value for double.
o getValue 
  public synchronized double getValue()
Get the current value of the observable.
o setMaximum 
  public synchronized void setMaximum(double m)
Set the maximum allowed value for the ObservableDbl.
Parameters:
m - maximum value
o getMaximum 
  public synchronized double getMaximum()
Get the maximum allowed value for the ObservableDbl.
o setMinimum 
  public synchronized void setMinimum(double m)
Set the minimum allowed value for the ObservableDbl.
Parameters:
m - minimum value
o getMinimum 
  public synchronized double getMinimum()
Get the minimum allowed value for the ObservableDbl. 
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