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## com.saxonica.expr.flwor
Class CountClausePull

    java.lang.Object
      net.sf.saxon.expr.flwor.TuplePull
          com.saxonica.expr.flwor.CountClausePull

    public class CountClausePull

extends TuplePull

A tuple stream that implements a "count" clause in an XQuery 3.0 FLWOR expression

Constructor Summary
`CountClausePull(TuplePull base, CountClause countClause)`

Method Summary
`boolean` | `nextTuple(XPathContext context)` Move on to the next tuple.

Methods inherited from class net.sf.saxon.expr.flwor.TuplePull
`close`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### CountClausePull

    public CountClausePull(TuplePull base,
                           CountClause countClause)

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`

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Copyright (c) 2004-2011 Saxonica Limited. All rights reserved.