org.apache.commons.el

Class UnaryOperator

Known Direct Subclasses:
EmptyOperator, NotOperator, UnaryMinusOperator

public abstract class UnaryOperator
extends java.lang.Object

This is the superclass for all unary operators
Version:
$Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: luehe $
Author:
Nathan Abramson - Art Technology Group

Constructor Summary

UnaryOperator()
Constructor

Method Summary

abstract Object
apply(Object pValue, Logger pLogger)
Applies the operator to the given value
abstract String
getOperatorSymbol()
Returns the symbol representing the operator

Constructor Details

UnaryOperator

public UnaryOperator()
Constructor

Method Details

apply

public abstract Object apply(Object pValue,
                             Logger pLogger)
            throws ELException
Applies the operator to the given value

getOperatorSymbol

public abstract String getOperatorSymbol()
Returns the symbol representing the operator

Copyright (c) 2001-2002 - Apache Software Foundation