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java.lang.Objectnet.sf.saxon.value.MemoClosure.ProgressiveIterator
A ProgressiveIterator starts by reading any items already held in the reservoir; when the reservoir is exhausted, it reads further items from the inputIterator, copying them into the reservoir as they are read.
Constructor Summary | |
MemoClosure.ProgressiveIterator()
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Method Summary | |
Item |
current()
Get the current value in the sequence (the one returned by the most recent call on next()). |
SequenceIterator |
getAnother()
Get another SequenceIterator that iterates over the same items as the original, but which is repositioned at the start of the sequence. |
int |
getLastPosition()
Get the last position (that is, the number of items in the sequence) |
Value |
materialize()
Return a SequenceValue containing all the items in the sequence returned by this SequenceIterator |
Item |
next()
Get the next item in the sequence. |
int |
position()
Get the current position. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public MemoClosure.ProgressiveIterator()
Method Detail |
public Item next() throws XPathException
SequenceIterator
next
in interface SequenceIterator
XPathException
- if an error occurs retrieving the next itempublic Item current()
SequenceIterator
current
in interface SequenceIterator
public int position()
SequenceIterator
position
in interface SequenceIterator
public SequenceIterator getAnother()
SequenceIterator
getAnother
in interface SequenceIterator
public int getLastPosition() throws XPathException
getLastPosition
in interface LastPositionFinder
XPathException
public Value materialize() throws XPathException
materialize
in interface GroundedIterator
XPathException
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