net.sf.saxon.om
Class PrependIterator

java.lang.Object
  extended bynet.sf.saxon.om.PrependIterator
All Implemented Interfaces:
AxisIterator, SequenceIterator

public class PrependIterator
extends java.lang.Object
implements AxisIterator

An iterator over nodes, that prepends a given node to the nodes returned by another iterator. Used to modify an iterator over axis A to one that iterates over A-OR-SELF.


Constructor Summary
PrependIterator(NodeInfo start, AxisIterator base)
           
 
Method Summary
 Item current()
          Get the current item in the sequence.
 SequenceIterator getAnother()
          Get another iterator over the same sequence of items, positioned 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

PrependIterator

public PrependIterator(NodeInfo start,
                       AxisIterator base)
Method Detail

next

public Item next()
Get the next item in the sequence.

Specified by:
next in interface AxisIterator
Returns:
the next Item. If there are no more nodes, return null.

current

public Item current()
Get the current item in the sequence.

Specified by:
current in interface AxisIterator
Returns:
the current item, that is, the item most recently returned by next()

position

public int position()
Get the current position

Specified by:
position in interface AxisIterator
Returns:
the position of the current item (the item most recently returned by next()), starting at 1 for the first node

getAnother

public SequenceIterator getAnother()
Get another iterator over the same sequence of items, positioned at the start of the sequence

Specified by:
getAnother in interface AxisIterator
Returns:
a new iterator over the same sequence