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