com.novell.xml.xpath.functions
Class xpathCount

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

public class xpathCount

extends Function

This class implements the XPath count() built-in function

Constructor Summary

xpathCount()
Construct an object for the count() function

Method Summary

ExpressionValue	invoke(Object[] args) Perform count() 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

xpathCount

public xpathCount()

Construct an object for the count() function

Method Detail

invoke

public ExpressionValue invoke(Object[] args)
                       throws XPathEvaluationException

Perform count() function

Overrides:

invoke in class Function

Parameters:

args - List of arguments. Must be NodeSet

Returns:

A number indicating the number of nodes in the passed node-set

Throws:

XPathEvaluationException

toString

public String toString()

Return function name.

Returns:

Function name.