Class ConstantValue

java.lang.Object

de.fho.jump.pirol.utilities.FormulaParsing.FormulaValue

de.fho.jump.pirol.utilities.FormulaParsing.Values.ConstantValue

public class ConstantValue
extends FormulaValue

A simple value class that just stores a constant value.

Version:

$Rev$

Author:

Ole Rahn

FH Osnabrück - University of Applied Sciences Osnabrück,
Project: PIROL (2005),
Subproject: Daten- und Wissensmanagement

Field Summary

Fields

Modifier and Type	Field	Description
protected double	value

Fields inherited from class FormulaValue

logger

Constructor Summary

Constructors

Constructor	Description
ConstantValue(double value)

Method Summary

Modifier and Type	Method	Description
double	getValue(Feature feature)	Returns the value (as a double) of this part of the formula.
boolean	isFeatureDependent()	Helps to determine, if the value depends on a feature's attribute value.
String	toString()

Methods inherited from class Object

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

Field Details

value

protected double value

Constructor Details

ConstantValue

public ConstantValue(double value)

Method Details

getValue

public double getValue(Feature feature)

Description copied from class: FormulaValue

Returns the value (as a double) of this part of the formula. It may be the result of a sub-formula, a feature-specific attribute value or just a constant value... Since the value may depend on a feature, we give the feature to the method to get a unified interface...

Specified by:

getValue in class FormulaValue

Parameters:

feature - in this case we don't need the feature...

Returns:

the constant value

isFeatureDependent

public boolean isFeatureDependent()

Description copied from class: FormulaValue

Helps to determine, if the value depends on a feature's attribute value.

Specified by:

isFeatureDependent in class FormulaValue

Returns:

true, if the value depends on a feature

toString

public String toString()

Overrides:

toString in class FormulaValue