net.sf.magicproject.operation
Class Clear

java.lang.Object
  net.sf.magicproject.operation.Operation
      net.sf.magicproject.operation.Clear

public final class Clear
extends Operation

This operation reurn always ZERO value.

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.
Expression	readNextExpression(java.io.InputStream inputFile) return the next Expression read from the current offset

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

getOperator

public java.lang.String getOperator()

Return operator name

Specified by:

getOperator in class Operation

Returns:

the operator name

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 Operation

Parameters:

leftValue - the left value of binary operation

rightValue - the right value of binary operation

Returns:

the result

readNextExpression

public Expression readNextExpression(java.io.InputStream inputFile)

Description copied from class: Operation

return the next Expression read from the current offset

Specified by:

readNextExpression in class Operation

Parameters:

inputFile - is the file containing this expression

Returns:

the next Expression read from the current offset

getInstance

public static Operation getInstance()

Return the unique instance of this operation.

Returns:

the unique instance of this operation.