net.sf.magicproject.operation
Class Negative

java.lang.Object
  net.sf.magicproject.operation.Operation
      net.sf.magicproject.operation.UnaryOperation
          net.sf.magicproject.operation.Negative

public final class Negative
extends UnaryOperation

Return the negative value of the given one.

Author:

Fabrice Daugan

Method Summary

static Operation	getInstance() Return the unique instance of this operation.
java.lang.String	getOperator() Return operator name
int	process(int leftValue, int rightValue) Process a binary operation with two values and return the result.

Methods inherited from class net.sf.magicproject.operation.UnaryOperation

readNextExpression

Methods inherited from class net.sf.magicproject.operation.Operation

isUselessWith

Methods inherited from class java.lang.Object

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

Method Detail

process

public int process(int leftValue,
                   int rightValue)

Description copied from class: Operation

Process a binary operation with two values and return the result.

Specified by:

process in class UnaryOperation

Parameters:

leftValue - the left value of binary operation

rightValue - the right value of binary operation

Returns:

the result

getOperator

public java.lang.String getOperator()

Description copied from class: Operation

Return operator name

Specified by:

getOperator in class UnaryOperation

Returns:

the operator name

getInstance

public static Operation getInstance()

Return the unique instance of this operation.

Returns:

the unique instance of this operation.