Class CurrentMergeKey

All Implemented Interfaces:
Callable, FunctionItem, GroundedValue, Item, Sequence

public class CurrentMergeKey extends SystemFunction implements Callable
Implements the XSLT function current-grouping-key()
  • Constructor Details Link icon

    • CurrentMergeKey Link icon

      public CurrentMergeKey()
  • Method Details Link icon

    • setControllingInstruction Link icon

      public void setControllingInstruction(MergeInstr instruction)
      Set the containing xsl:for-each-group instruction, if there is one
      Parameters:
      instruction - the (innermost) containing xsl:for-each-group instruction
    • getControllingInstruction Link icon

      public MergeInstr getControllingInstruction()
      Get the innermost containing xsl:merge instruction, if there is one
      Returns:
      the innermost containing xsl:merge instruction
    • makeFunctionCall Link icon

      public Expression makeFunctionCall(Expression... arguments)
      Make an expression that either calls this function, or that is equivalent to a call on this function
      Overrides:
      makeFunctionCall in class SystemFunction
      Parameters:
      arguments - the supplied arguments to the function call
      Returns:
      either a function call on this function, or an expression that delivers the same result
    • iterate Link icon

      public SequenceIterator iterate(XPathContext c) throws XPathException
      Evaluate the expression
      Throws:
      XPathException
    • call Link icon

      public Sequence call(XPathContext context, Sequence[] arguments) throws XPathException
      Evaluate the expression
      Specified by:
      call in interface Callable
      Parameters:
      context - the dynamic evaluation context
      arguments - the values of the arguments, supplied as SequenceIterators
      Returns:
      the result of the evaluation, in the form of a SequenceIterator
      Throws:
      XPathException - if a dynamic error occurs during the evaluation of the expression