jd.xml.xpath.model.walk
Class EmptyWalker
java.lang.Object
jd.xml.xpath.model.walk.EmptyWalker
- All Implemented Interfaces:
- ModelWalker
- public class EmptyWalker
- extends Object
- implements ModelWalker
A EmptyModelWalker represent the null path.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
INSTANCE
public static final ModelWalker INSTANCE
EmptyWalker
public EmptyWalker()
gotoFirstNode
public XPathNode gotoFirstNode(XPathNode startNode)
- Return null.
- Specified by:
gotoFirstNode
in interface ModelWalker
- Returns:
- the first node of the path represented by this ModelWalker.-
If null the path is empty.
gotoNextNode
public XPathNode gotoNextNode(XPathNode lastNode)
- Return null.
- Specified by:
gotoNextNode
in interface ModelWalker
- Parameters:
lastNode
- a XPathNode obtained from the last call
to gotoFirstNode or gotoNextNode.
If the node is another node the behaviour is not determined.
- Returns:
- the next node of the path represented by this ModelWalker.-
If null then the path ended.