net.sf.saxon.om
Interface GroundedIterator

All Superinterfaces:

SequenceIterator

All Known Implementing Classes:

ArrayIterator, CompiledMemoClosure.ProgressiveIterator, EmptyIterator, ListIterator, MemoClosure.ProgressiveIterator, NodeArrayIterator, NodeListIterator, RangeIterator, SingleNodeIterator, SingletonIterator, ValueTailIterator

public interface GroundedIterator
extends SequenceIterator

This interface is an extension to the SequenceIterator interface; it represents a SequenceIterator that is based on an in-memory representation of a sequence, and that is therefore capable of returned a SequenceValue containing all the items in the sequence.

Field Summary

Fields inherited from interface net.sf.saxon.om.SequenceIterator

GROUNDED, LAST_POSITION_FINDER, LOOKAHEAD

Method Summary

GroundedValue

materialize() Return a GroundedValue containing all the items in the sequence returned by this SequenceIterator.

Methods inherited from interface net.sf.saxon.om.SequenceIterator

current, getAnother, getProperties, next, position

Method Detail

materialize

GroundedValue materialize()
                          throws XPathException

Return a GroundedValue containing all the items in the sequence returned by this SequenceIterator. This should be an "in-memory" value, not a Closure.

Returns:

the corresponding Value

Throws:

XPathException