org.exolab.adaptx.xpath.functions
Class FalseFunctionCall

java.lang.Object
  |
  +--org.exolab.adaptx.xpath.expressions.PrimaryExpr
        |
        +--org.exolab.adaptx.xpath.expressions.FunctionCall
              |
              +--org.exolab.adaptx.xpath.functions.FunctionCallImpl
                    |
                    +--org.exolab.adaptx.xpath.functions.FalseFunctionCall

All Implemented Interfaces:

XPathExpression

public class FalseFunctionCall

extends FunctionCallImpl

A class that represents the XPath 1.0 false() function call

Version:

$Revision: 1.2 $ $Date: 2003/05/13 07:57:04 $

Author:

Keith Visco

Field Summary

Fields inherited from class org.exolab.adaptx.xpath.functions.FunctionCallImpl

INVALID_NUMBER_PARAMS, INVALID_RESULT

Fields inherited from class org.exolab.adaptx.xpath.expressions.PrimaryExpr

EXPR, FUNCTION_CALL, LITERAL, NUMBER, VARIABLE_REFERENCE

Fields inherited from interface org.exolab.adaptx.xpath.XPathExpression

BOOLEAN, ERROR, FILTER_EXPR, LOCATION_PATH, NODE_TEST, PATH_EXPR, PRIMARY, STEP, STRING, UNION_EXPR

Constructor Summary

FalseFunctionCall()
Creates a new FalseFunctionCall

Method Summary

XPathResult

evaluate(XPathContext context) Evaluates this Expr using the given context Node and ExprContext

Methods inherited from class org.exolab.adaptx.xpath.functions.FunctionCallImpl

addParameter, getFunctionName, getParameter, getParameterCount, toString

Methods inherited from class org.exolab.adaptx.xpath.expressions.PrimaryExpr

getExprType, getType

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

FalseFunctionCall

public FalseFunctionCall()

Creates a new FalseFunctionCall

Method Detail

evaluate

public XPathResult evaluate(XPathContext context)
                     throws XPathException

Evaluates this Expr using the given context Node and ExprContext

Parameters:

context - the current context Node

Returns:

the ExprResult

Throws:

InvalidExprException - when an invalid expression is encountered during evaluation

XPathException - if an error occured while evaluating this expression.