org.apache.xalan.templates
Class FuncKey

java.lang.Object
  |
  +--org.apache.xpath.Expression
        |
        +--org.apache.xpath.functions.Function
              |
              +--org.apache.xpath.functions.FunctionOneArg
                    |
                    +--org.apache.xpath.functions.Function2Args
                          |
                          +--org.apache.xalan.templates.FuncKey

public class FuncKey

extends Function2Args

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

See Also:

Serialized Form

Constructor Summary

FuncKey()

Method Summary

XObject

execute(XPathContext xctxt) Execute the function.

Methods inherited from class org.apache.xpath.functions.Function2Args

canTraverseOutsideSubtree, checkNumberArgs, getArg1, setArg

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

getArg0

Methods inherited from class org.apache.xpath.Expression

assert, error, setSourceLocator, warn

Methods inherited from class java.lang.Object

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

Constructor Detail

FuncKey

public FuncKey()

Method Detail

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