org.apache.xml.dtm.ref
Class DTMDefaultBaseTraversers.ParentTraverser

java.lang.Object
  org.apache.xml.dtm.DTMAxisTraverser
      org.apache.xml.dtm.ref.DTMDefaultBaseTraversers.ParentTraverser

Enclosing class:

DTMDefaultBaseTraversers

private class DTMDefaultBaseTraversers.ParentTraverser

extends DTMAxisTraverser

Implements traversal of the Ancestor access, in reverse document order.

Constructor Summary

private

DTMDefaultBaseTraversers.ParentTraverser()

Method Summary

int	first(int context) By the nature of the stateless traversal, the context node can not be returned or the iteration will go into an infinate loop.
int	first(int current, int expandedTypeID) By the nature of the stateless traversal, the context node can not be returned or the iteration will go into an infinate loop.
int	next(int context, int current) Traverse to the next node after the current node.
int	next(int context, int current, int expandedTypeID) Traverse to the next node after the current node that is matched by the expanded type ID.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DTMDefaultBaseTraversers.ParentTraverser

private DTMDefaultBaseTraversers.ParentTraverser()

Method Detail

first

public int first(int context)

By the nature of the stateless traversal, the context node can not be returned or the iteration will go into an infinate loop. So to traverse an axis, the first function must be used to get the first node.

This method needs to be overloaded only by those axis that process the self node. <\p>

Overrides:

first in class DTMAxisTraverser

Parameters:

context - The context node of this traversal. This is the point that the traversal starts from.

Returns:

the first node in the traversal.

first

public int first(int current,
                 int expandedTypeID)

By the nature of the stateless traversal, the context node can not be returned or the iteration will go into an infinate loop. So to traverse an axis, the first function must be used to get the first node.

This method needs to be overloaded only by those axis that process the self node. <\p>

Overrides:

first in class DTMAxisTraverser

Parameters:

expandedTypeID - The expanded type ID that must match.

current - The context node of this traversal. This is the point of origin for the traversal -- its "root node" or starting point.

Returns:

the first node in the traversal.

next

public int next(int context,
                int current)

Traverse to the next node after the current node.

Specified by:

next in class DTMAxisTraverser

Parameters:

context - The context node of this iteration.

current - The current node of the iteration.

Returns:

the next node in the iteration, or DTM.NULL.

See Also:

DTMAxisTraverser.first(int)

next

public int next(int context,
                int current,
                int expandedTypeID)

Traverse to the next node after the current node that is matched by the expanded type ID.

Specified by:

next in class DTMAxisTraverser

Parameters:

context - The context node of this iteration.

current - The current node of the iteration.

expandedTypeID - The expanded type ID that must match.

Returns:

the next node in the iteration, or DTM.NULL.

See Also:

DTMAxisTraverser.first(int,int)