Class CountClausePull


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

      Fields 
      Modifier and Type Field Description
      (package private) TuplePull base  
      (package private) int count  
      (package private) int slot  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean nextTuple​(XPathContext context)
      Move on to the next tuple.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • 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
        Parameters:
        context - the dynamic evaluation context
        Returns:
        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.
        Throws:
        XPathException