com.novell.xml.xpath.functions
Class xpathId

java.lang.Object
  com.novell.xml.xpath.Function
      com.novell.xml.xpath.functions.xpathId

public class xpathId

extends Function

This class implements the XPath id(object) built-in function

Constructor Summary

xpathId()
Construct an object for the id() function

Method Summary

ExpressionValue	invoke(Object[] args) Perform id() function
String	toString() Return function name.

Methods inherited from class com.novell.xml.xpath.Function

getInstance, getSignature, isConstant, registerForReset

Methods inherited from class java.lang.Object

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

Constructor Detail

xpathId

public xpathId()

Construct an object for the id() function

Method Detail

invoke

public ExpressionValue invoke(Object[] args)
                       throws XPathEvaluationException

Perform id() function

Overrides:

invoke in class Function

Parameters:

args - List of arguments. Three arguments First first argument must be the context node. The second argument must be the expression context object The third argument may be any expression value type

Returns:

A NodeSet value containing the nodes that have the desired id that are in the same document as the context node

Throws:

XPathEvaluationException

toString

public String toString()

Return function name.

Returns:

Function name.