Package ru.cg.webbpm.modules.expression.operators

Class UnaryOperator

java.lang.Object

ru.cg.webbpm.modules.expression.operators.Operator

ru.cg.webbpm.modules.expression.operators.UnaryOperator

public abstract class UnaryOperator
extends Operator

Author:

m.popov

Method Summary

Modifier and Type	Method	Description
abstract Object	evaluate(Object argument)	Implementation of this unary operator.
Object	evaluate(Object left, Object right)	Implementation of this unary operator.

Methods inherited from class ru.cg.webbpm.modules.expression.operators.Operator

getName, getPrecedence

Methods inherited from class java.lang.Object

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

Method Details

evaluate

public Object evaluate(Object left,
 Object right)

Implementation of this unary operator.

Specified by:

evaluate in class Operator

Parameters:

left - -- the left argument.

right - -- the right argument (must be null).

Returns:

the result of the operation.

evaluate

public abstract Object evaluate(Object argument)

Implementation of this unary operator.

Parameters:

argument - -- the argument.

Returns:

the result of the operation.