SubtractionNode (Integrity Test Framework - Javadoc 22.1.3 API)

java.lang.Object
- de.gebit.integrity.operations.standard.operands.OperatorNode<java.math.BigDecimal,java.math.BigDecimal>
- - de.gebit.integrity.operations.standard.operands.SubtractionNode

public class SubtractionNode
extends OperatorNode<java.math.BigDecimal,java.math.BigDecimal>

Subtracts one value from the other.

Author:: Rene Schneider - initial API and implementation

Constructor Summary

Constructors
Constructor	Description
`SubtractionNode(Operation anOperation, java.lang.Object aLeftOperand, java.lang.Object aRightOperand)`	Creates a new instance.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected java.lang.Object`	`evaluateInternal(java.math.BigDecimal aLeftOperand, java.math.BigDecimal aRightOperand)`	Must be implemented by subclasses to implement the actual evaluation of this node.

Methods inherited from class de.gebit.integrity.operations.standard.operands.OperatorNode
evaluate, getEvaluatedLeftOperand, getEvaluatedRightOperand

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

- Constructor Detail
  - SubtractionNode
```
public SubtractionNode(Operation anOperation,
                       java.lang.Object aLeftOperand,
                       java.lang.Object aRightOperand)
```
    Creates a new instance.
    
    Parameters:
    
    aLeftOperand -
    
    aRightOperand -
- Method Detail
  - evaluateInternal
```
protected java.lang.Object evaluateInternal(java.math.BigDecimal aLeftOperand,
                                            java.math.BigDecimal aRightOperand)
                                     throws UnexecutableException
```
    Description copied from class: OperatorNode
    
    Must be implemented by subclasses to implement the actual evaluation of this node. It will get evaluated and converted operands and needs to return the result of the evaluation.
    
    Specified by:
    
    evaluateInternal in class OperatorNode<java.math.BigDecimal,java.math.BigDecimal>
    
    Parameters:
    
    aLeftOperand - the evaluated left operand
    
    aRightOperand - the evaluated right operand
    
    Returns:
    
    the result of the evaluation
    
    Throws:
    
    UnexecutableException