net.sf.magicproject.operation
Class Add

java.lang.Object
  net.sf.magicproject.operation.Operation
      net.sf.magicproject.operation.BinaryOperation
          net.sf.magicproject.operation.Add

public final class Add
extends BinaryOperation

Reprsents the PLUS operation. This operation is optimzed since it is not executed is is useless.

Since:

0.71

Author:

Fabrice Daugan

Method Summary

static Operation	getInstance() Return the unique instance of this operation.
java.lang.String	getOperator() Return operator name
boolean	isUselessWith(int leftValue, int rightValue) Is this operation is useless or not
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.BinaryOperation

readNextExpression

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 BinaryOperation

Parameters:

leftValue - the left value of binary operation

rightValue - the right value of binary operation

Returns:

the result

isUselessWith

public boolean isUselessWith(int leftValue,
                             int rightValue)

Description copied from class: Operation

Is this operation is useless or not

Overrides:

isUselessWith in class Operation

Parameters:

leftValue - the left value

rightValue - the right value

Returns:

true if this operation will not modify the given left value considering the right value.

getOperator

public java.lang.String getOperator()

Description copied from class: Operation

Return operator name

Specified by:

getOperator in class BinaryOperation

Returns:

the operator name

getInstance

public static Operation getInstance()

Return the unique instance of this operation.

Returns:

the unique instance of this operation.