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java.lang.Objectnet.sf.saxon.expr.AppendIterator
Iterator that concatenates the results of two supplied iterators
Constructor Summary | |
AppendIterator(SequenceIterator first,
Expression second,
XPathContext context)
This form of constructor is designed to delay getting an iterator for the second expression until it is actually needed. |
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 AppendIterator(SequenceIterator first, Expression second, XPathContext context)
first
- Iterator over the first operandsecond
- The second operandcontext
- The dynamic context for evaluation of the second operandMethod 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() throws XPathException
SequenceIterator
getAnother
in interface SequenceIterator
XPathException
- if any error occurs
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