org.apache.xpath.functions
Class FuncLast

java.lang.Object
  |
  +--org.apache.xpath.Expression
        |
        +--org.apache.xpath.functions.Function
              |
              +--org.apache.xpath.functions.FuncLast

public class FuncLast

extends Function

**For advanced use only** Execute the Last() function.

See Also:

Serialized Form

Constructor Summary

FuncLast()

Method Summary

XObject	execute(XPathContext xctxt) Execute the function.
int	getCountOfContextNodeList(XPathContext xctxt) Get the position in the current context node list.

Methods inherited from class org.apache.xpath.functions.Function

checkNumberArgs, setArg

Methods inherited from class org.apache.xpath.Expression

assertion, canTraverseOutsideSubtree, error, setSourceLocator, warn

Methods inherited from class java.lang.Object

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

Constructor Detail

FuncLast

public FuncLast()

Method Detail

getCountOfContextNodeList

public int getCountOfContextNodeList(XPathContext xctxt)
                              throws TransformerException

Get the position in the current context node list.

Parameters:

xctxt - non-null reference to XPath runtime context.

Returns:

The number of nodes in the list.

Throws:

TransformerException -

execute

public XObject execute(XPathContext xctxt)
                throws TransformerException

Execute the function. The function must return a valid object.

Parameters:

xctxt - The current execution context.

Returns:

A valid XObject.

Throws:

TransformerException -

Overrides:

execute in class Function