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:

Parameters, XPathExpression

public class FalseFunctionCall
extends FunctionCallImpl

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

Version:

$Revision: 3736 $ $Date: 2003-05-13 03:57:04 -0400 (Tue, 13 May 2003) $

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

Constructors

Constructor and Description
FalseFunctionCall() Creates a new FalseFunctionCall

Method Summary

Methods

Modifier and Type	Method and Description
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

exprContext - the ExprContext which has additional information sometimes needed for evaluating XPath expressions environment

Returns:

the ExprResult

Throws:

InvalidExprException - when an invalid expression is encountered during evaluation

XPathException - if an error occured while evaluating this expression.