org.apache.xalan.templates
Class FuncKey

java.lang.Object
  extended byorg.apache.xpath.Expression
      extended byorg.apache.xpath.functions.Function
          extended byorg.apache.xpath.functions.FunctionOneArg
              extended byorg.apache.xpath.functions.Function2Args
                  extended byorg.apache.xalan.templates.FuncKey
All Implemented Interfaces:
ExpressionNode, ExpressionOwner, Serializable, SourceLocator, XPathVisitable

public class FuncKey
extends Function2Args

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
callArgVisitors, canTraverseOutsideSubtree, checkNumberArgs, deepEquals, fixupVariables, getArg1, setArg
 
Methods inherited from class org.apache.xpath.functions.FunctionOneArg
getArg0, getExpression, setExpression
 
Methods inherited from class org.apache.xpath.functions.Function
callVisitors, postCompileStep
 
Methods inherited from class org.apache.xpath.Expression
asIterator, asIteratorRaw, asNode, assertion, bool, error, execute, execute, execute, executeCharsToContentHandler, exprAddChild, exprGetChild, exprGetNumChildren, exprGetParent, exprSetParent, getColumnNumber, getExpressionOwner, getLineNumber, getPublicId, getSystemId, isNodesetExpr, isStableNumber, num, warn, xstr
 
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.

Overrides:
execute in class Function
Parameters:
xctxt - The current execution context.
Returns:
A valid XObject.
Throws:
TransformerException


Copyright ? 2004 Apache XML Project. All Rights Reserved.