org.apache.xalan.transformer
Class KeyWalker

java.lang.Object
  |
  +--org.apache.xpath.Expression
        |
        +--org.apache.xpath.patterns.NodeTest
              |
              +--org.apache.xpath.axes.AxesWalker
                    |
                    +--org.apache.xpath.axes.DescendantWalker
                          |
                          +--org.apache.xpath.axes.DescendantOrSelfWalker
                                |
                                +--org.apache.xalan.transformer.KeyWalker

public class KeyWalker
extends DescendantOrSelfWalker


Fields inherited from class org.apache.xpath.patterns.NodeTest
SCORE_NONE, SHOW_BYFUNCTION, SHOW_NAMESPACE, WILD
 
Constructor Summary
KeyWalker(LocPathIterator locPathIterator)
          Construct a KeyWalker using a LocPathIterator.
 
Method Summary
 short acceptNode(Node testNode)
          Test whether a specified node is visible in the logical view of a TreeWalker or NodeIterator.
 void setRoot(Node root)
          Set the root node of the TreeWalker.
 
Methods inherited from class org.apache.xpath.axes.DescendantOrSelfWalker
firstChild
 
Methods inherited from class org.apache.xpath.axes.DescendantWalker
nextSibling, parentNode
 
Methods inherited from class org.apache.xpath.axes.AxesWalker
clone, getCurrentNode, getExpandEntityReferences, getFilter, getLastPos, getLocPathIterator, getNextWalker, getPredicateCount, getPredicateIndex, getPrevWalker, getProximityPosition, getProximityPosition, getRoot, init, initProximityPosition, isReverseAxes, lastChild, nextNode, previousNode, previousSibling, reset, resetProximityPositions, setCurrentNode, setLocPathIterator, setNextWalker, setPredicateCount, setPrevWalker, toString
 
Methods inherited from class org.apache.xpath.patterns.NodeTest
debugWhatToShow, execute, getDefaultScore, getLocalName, getNamespace, getWhatToShow, initNodeTest, initNodeTest
 
Methods inherited from class org.apache.xpath.Expression
assert, error, warn
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

KeyWalker

public KeyWalker(LocPathIterator locPathIterator)
Construct a KeyWalker using a LocPathIterator.
Method Detail

setRoot

public void setRoot(Node root)
Set the root node of the TreeWalker.
Overrides:
setRoot in class DescendantOrSelfWalker

acceptNode

public short acceptNode(Node testNode)
Test whether a specified node is visible in the logical view of a TreeWalker or NodeIterator. This function will be called by the implementation of TreeWalker and NodeIterator; it is not intended to be called directly from user code.
Parameters:
n - The node to check to see if it passes the filter or not.
Returns:
a constant to determine whether the node is accepted, rejected, or skipped, as defined above .
Overrides:
acceptNode in class AxesWalker


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