net.sf.saxon.tree
Class PrecedingOrAncestorEnumeration

java.lang.Object
  extended by net.sf.saxon.tree.TreeEnumeration
      extended by net.sf.saxon.tree.PrecedingOrAncestorEnumeration
All Implemented Interfaces:
AxisIterator, LookaheadIterator, SequenceIterator

final class PrecedingOrAncestorEnumeration
extends TreeEnumeration


Field Summary
 
Fields inherited from class net.sf.saxon.tree.TreeEnumeration
current, next, nodeTest, position, start
 
Fields inherited from interface net.sf.saxon.om.SequenceIterator
ATOMIZABLE, GROUNDED, LAST_POSITION_FINDER, LOOKAHEAD
 
Constructor Summary
PrecedingOrAncestorEnumeration(NodeImpl node, NodeTest nodeTest)
          This axis cannot be requested directly in an XPath expression but is used when evaluating xsl:number.
 
Method Summary
 SequenceIterator getAnother()
          Get another enumeration of the same nodes
protected  void step()
          Advance one step along the axis: the resulting node might not meet the required criteria for inclusion
 
Methods inherited from class net.sf.saxon.tree.TreeEnumeration
advance, conforms, current, getProperties, hasNext, next, position
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

PrecedingOrAncestorEnumeration

public PrecedingOrAncestorEnumeration(NodeImpl node,
                                      NodeTest nodeTest)
This axis cannot be requested directly in an XPath expression but is used when evaluating xsl:number. It is provided because taking the union of the two axes would be very inefficient

Method Detail

step

protected void step()
Description copied from class: TreeEnumeration
Advance one step along the axis: the resulting node might not meet the required criteria for inclusion

Specified by:
step in class TreeEnumeration

getAnother

public SequenceIterator getAnother()
Get another enumeration of the same nodes

Returns:
a new iterator over the same sequence