Package net.sf.saxon.expr
Interface LastPositionFinder
- All Superinterfaces:
SequenceIterator
- All Known Implementing Classes:
ArrayIterator
,EmptyIterator
,GroupByIterator
,ListIterator
,MemoClosure.ProgressiveIterator
,RangeIterator
,ReverseArrayIterator
,SingletonIterator
,SortedGroupIterator
,SortedIterator
,SortedTupleIterator
,TailExpression.TailIterator
A LastPositionFinder is an interface implemented by any SequenceIterator that is
able to return the position of the last item in the sequence.
-
Field Summary
Fields inherited from interface net.sf.saxon.om.SequenceIterator
ATOMIZABLE, GROUNDED, LAST_POSITION_FINDER, LOOKAHEAD
-
Method Summary
Modifier and TypeMethodDescriptionint
Get the last position (that is, the number of items in the sequence).Methods inherited from interface net.sf.saxon.om.SequenceIterator
current, getAnother, getProperties, next, position
-
Method Details
-
getLastPosition
Get the last position (that is, the number of items in the sequence). This method is non-destructive: it does not change the state of the iterator. The result is undefined if the next() method of the iterator has already returned null. This method must not be called unless the result of getProperties() on the iterator includes the bit settingSequenceIterator.LAST_POSITION_FINDER
- Throws:
XPathException
-