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java.lang.Object | +--net.sf.saxon.sort.DocumentOrderIterator
DocumentOrderIterator takes as input an iteration of nodes in any order, and returns as output an iteration of the same nodes in document order, eliminating any duplicates.
| Constructor Summary | |
DocumentOrderIterator(SequenceIterator base,
NodeOrderComparer comparer)
Iterate over a sequence in document order. |
|
| Method Summary | |
int |
compare(int a,
int b)
Compare two nodes in document sequence (needed to implement the Sortable interface) |
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. |
Item |
next()
Get the next item in the sequence. |
int |
position()
Get the current position. |
void |
swap(int a,
int b)
Swap two nodes (needed to implement the Sortable interface) |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
public DocumentOrderIterator(SequenceIterator base,
NodeOrderComparer comparer)
throws XPathException
| Method Detail |
public int compare(int a,
int b)
compare in interface Sortable
public void swap(int a,
int b)
swap in interface Sortable
public Item next()
throws XPathException
SequenceIterator
next in interface SequenceIteratorXPathException - if an error occurs retrieving the next itempublic Item current()
SequenceIterator
current in interface SequenceIteratorpublic int position()
SequenceIterator
position in interface SequenceIterator
public SequenceIterator getAnother()
throws XPathException
SequenceIterator
getAnother in interface SequenceIteratorXPathException - if any error occurs
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