org.apache.xpath.axes
Class AttributeWalkerOneStep

java.lang.Object
  |
  +--org.apache.xpath.Expression
        |
        +--org.apache.xpath.patterns.NodeTest
              |
              +--org.apache.xpath.axes.PredicatedNodeTest
                    |
                    +--org.apache.xpath.axes.AxesWalker
                          |
                          +--org.apache.xpath.axes.AttributeWalkerOneStep

public class AttributeWalkerOneStep
extends AxesWalker

**For advanced use only** This walker should be used when the walker is at the end of a location path, or is the only step. It has a much simplified nextNode() method.

See Also:
Serialized Form

Fields inherited from class org.apache.xpath.axes.AxesWalker
FEATURE_NODETESTFILTER
 
Fields inherited from class org.apache.xpath.patterns.NodeTest
SCORE_NODETEST, SCORE_NONE, SCORE_NSWILD, SCORE_OTHER, SCORE_QNAME, SHOW_BYFUNCTION, SHOW_NAMESPACE, SUPPORTS_PRE_STRIPPING, WILD
 
Constructor Summary
AttributeWalkerOneStep(LocPathIterator locPathIterator)
          Construct an AxesWalker using a LocPathIterator.
 
Method Summary
 Node nextNode()
          Get the next node in document order on the axes.
 void setRoot(Node root)
          The root node of the TreeWalker.
 
Methods inherited from class org.apache.xpath.axes.AxesWalker
canTraverseOutsideSubtree, clone, firstChild, getCurrentNode, getExpandEntityReferences, getFilter, getLastPos, getNextWalker, getPrevWalker, getRoot, init, lastChild, nextSibling, parentNode, previousNode, previousSibling, setCurrentNode, setNextWalker, setPrevWalker, toString
 
Methods inherited from class org.apache.xpath.axes.PredicatedNodeTest
acceptNode, getLocPathIterator, getPredicateCount, getPredicateIndex, getProximityPosition, getProximityPosition, initProximityPosition, isReverseAxes, resetProximityPositions, setLocPathIterator, setPredicateCount
 
Methods inherited from class org.apache.xpath.patterns.NodeTest
debugWhatToShow, execute, execute, getDefaultScore, getLocalName, getNamespace, getWhatToShow, initNodeTest, initNodeTest
 
Methods inherited from class org.apache.xpath.Expression
assertion, error, setSourceLocator, warn
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

AttributeWalkerOneStep

public AttributeWalkerOneStep(LocPathIterator locPathIterator)
Construct an AxesWalker using a LocPathIterator.
Parameters:
locPathIterator - The location path iterator that 'owns' this walker.
Method Detail

setRoot

public void setRoot(Node root)
The root node of the TreeWalker.
Parameters:
root - The context node of the node step.
Overrides:
setRoot in class AxesWalker

nextNode

public Node nextNode()
Get the next node in document order on the axes.
Returns:
The next node in the itteration, or null.
Overrides:
nextNode in class AxesWalker


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