FuncKey (Xalan-Java 2.7.2)

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

All Implemented Interfaces:: Serializable, SourceLocator, ExpressionNode, ExpressionOwner, XPathVisitable

public class FuncKey extends Function2Args

Execute the Key() function.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor

Description

FuncKey()
Method Summary

Modifier and Type

Method

Description

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 Details
- FuncKey
  
  public FuncKey()
Method Details
- 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