Class CountClausePull

  • public class CountClausePull
    extends TuplePull
    A tuple stream that implements a "count" clause in an XQuery 3.0 FLWOR expression
    • Method Detail

      • nextTuple

        public boolean nextTuple​(XPathContext context)
                          throws XPathException
        Move on to the next tuple. Before returning, this method must set all the variables corresponding to the "returned" tuple in the local stack frame associated with the context object
        Specified by:
        nextTuple in class TuplePull
        context - the dynamic evaluation context
        true if another tuple has been generated; false if the tuple stream is exhausted. If the method returns false, the values of the local variables corresponding to this tuple stream are undefined.
        XPathException - if any error occurs