net.sf.saxon.sort
public interface GroupIterator extends SequenceIterator
Method Summary | |
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AtomicValue | getCurrentGroupingKey()
Get the grouping key of the current group |
SequenceIterator | iterateCurrentGroup()
Get an iterator over the members of the current group, in population
order. |
Returns: the current grouping key in the case of group-by or group-adjacent, or null in the case of group-starting-with and group-ending-with
Returns: an iterator over all the members of the current group, in population order.