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java.lang.Object | +--net.sf.saxon.expr.DifferenceEnumeration
An enumeration representing a nodeset that is teh difference of two other NodeSets. There is an "except" operator in XPath 2.0 to create such an expression.
| Constructor Summary | |
DifferenceEnumeration(SequenceIterator p1,
SequenceIterator p2,
NodeOrderComparer comparer)
Form an enumeration of the difference of two nodesets, that is, the nodes that are in p1 and that are not in p2. |
|
| 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. |
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 DifferenceEnumeration(SequenceIterator p1,
SequenceIterator p2,
NodeOrderComparer comparer)
throws XPathException
p1 - the first operandp2 - the second operandcomparer - the comparer| Method Detail |
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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