com.japisoft.formula.operator
Interface UnaryOperator

All Known Implementing Classes:
ABSOperator, ABSOperator, MINUSOperator, MINUSOperator, NOTOperator, PERCENTOperator, PERCENTOperator

public interface UnaryOperator

Operator with one operand like the Not

Version:
1.0
Author:
(c) 2005 JAPISoft / http://www.japisoft.com

Method Summary
 java.lang.Object eval(OperatorContext context)
          Eval this expression and return the result
 

Method Detail

eval

public java.lang.Object eval(OperatorContext context)
                      throws EvaluateException
Eval this expression and return the result

Parameters:
context - A context for getting the operand value
Returns:
The operator result
EvaluateException