SubtractionOperation (OpenJUMP 2.4.0 API)

java.lang.Object
- de.fho.jump.pirol.utilities.FormulaParsing.FormulaValue
- - de.fho.jump.pirol.utilities.FormulaParsing.Operations.GenericOperation
  - - de.fho.jump.pirol.utilities.FormulaParsing.Operations.SubtractionOperation

```
public class SubtractionOperation
extends GenericOperation
```
Class to handle subtractions within a formula.

Version:

$Rev$

Author:

Ole Rahn

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

Field Summary
- Fields inherited from class de.fho.jump.pirol.utilities.FormulaParsing.Operations.GenericOperation
  opString, value1, value2
- Fields inherited from class de.fho.jump.pirol.utilities.FormulaParsing.FormulaValue
  logger

Constructor Summary

Constructors
Constructor Description

SubtractionOperation(FormulaValue value1, FormulaValue value2)
Sets the value, that will be operated on.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`getValue(Feature feature)`	Returns the subtracted values of the sub-values or sub-operations of this operation

Methods inherited from class de.fho.jump.pirol.utilities.FormulaParsing.Operations.GenericOperation
isFeatureDependent, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - SubtractionOperation
```
public SubtractionOperation(FormulaValue value1,
                            FormulaValue value2)
```
    Sets the value, that will be operated on.
- Method Detail
  - getValue
```
public double getValue(Feature feature)
```
    Returns the subtracted values of the sub-values or sub-operations of this operation
    
    Specified by:
    
    getValue in class FormulaValue
    
    Parameters:
    
    feature - the Feature to compute the value from
    
    Returns:
    
    subtracted values of the sub-values or sub-operations