net.sf.magicproject.operation
Class UnaryOperation

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

Direct Known Subclasses:

Increment, Negative, Set

public abstract class UnaryOperation
extends Operation

Represents an unary operation.

Since:

0.80

Author:

Fabrice Daugan

Constructor Summary

UnaryOperation()
Creates a new instance of UnaryOperation

Method Summary

abstract java.lang.String	getOperator() Return operator name
abstract 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

Constructor Detail

UnaryOperation

public UnaryOperation()

Creates a new instance of UnaryOperation

Method Detail

readNextExpression

public Expression readNextExpression(java.io.InputStream inputFile)
                              throws java.io.IOException

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

Throws:

java.io.IOException - if error occured during the reading process from the specified input stream

process

public abstract 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

getOperator

public abstract java.lang.String getOperator()

Description copied from class: Operation

Return operator name

Specified by:

getOperator in class Operation

Returns:

the operator name