org.apache.xalan.xsltc.dom
Class DupFilterIterator

java.lang.Object
  extended by org.apache.xml.dtm.ref.DTMAxisIteratorBase
      extended by org.apache.xalan.xsltc.dom.DupFilterIterator
All Implemented Interfaces:
java.lang.Cloneable, DTMAxisIterator

public final class DupFilterIterator
extends DTMAxisIteratorBase

Removes duplicates and sorts a source iterator. The nodes from the source are collected in an array upon calling setStartNode(). This array is later sorted and duplicates are ignored in next().

Author:
G. Todd Miller

Field Summary
 
Fields inherited from interface org.apache.xml.dtm.DTMAxisIterator
END
 
Constructor Summary
DupFilterIterator(DTMAxisIterator source)
           
 
Method Summary
 DTMAxisIterator cloneIterator()
          Returns a deep copy of this iterator.
 void gotoMark()
          Restores the current node remembered by setMark().
 int next()
          Get the next node in the iteration.
 DTMAxisIterator reset()
          Resets the iterator to the last start node.
 void setMark()
          Remembers the current node for the next call to gotoMark().
 void setRestartable(boolean isRestartable)
          Set if restartable.
 DTMAxisIterator setStartNode(int node)
          Set the start node for this iterator
 
Methods inherited from class org.apache.xml.dtm.ref.DTMAxisIteratorBase
getAxis, getLast, getNodeByPosition, getPosition, getStartNode, includeSelf, isDocOrdered, isReverse
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

DupFilterIterator

public DupFilterIterator(DTMAxisIterator source)
Method Detail

setStartNode

public DTMAxisIterator setStartNode(int node)
Set the start node for this iterator

Parameters:
node - The start node
Returns:
A reference to this node iterator

next

public int next()
Description copied from interface: DTMAxisIterator
Get the next node in the iteration.

Returns:
The next node handle in the iteration, or END.

cloneIterator

public DTMAxisIterator cloneIterator()
Description copied from class: DTMAxisIteratorBase
Returns a deep copy of this iterator. Cloned iterators may not be restartable. The iterator being cloned may or may not become non-restartable as a side effect of this operation.

Specified by:
cloneIterator in interface DTMAxisIterator
Overrides:
cloneIterator in class DTMAxisIteratorBase
Returns:
a deep copy of this iterator.

setRestartable

public void setRestartable(boolean isRestartable)
Description copied from interface: DTMAxisIterator
Set if restartable.

Specified by:
setRestartable in interface DTMAxisIterator
Overrides:
setRestartable in class DTMAxisIteratorBase

setMark

public void setMark()
Description copied from interface: DTMAxisIterator
Remembers the current node for the next call to gotoMark().


gotoMark

public void gotoMark()
Description copied from interface: DTMAxisIterator
Restores the current node remembered by setMark().


reset

public DTMAxisIterator reset()
Description copied from interface: DTMAxisIterator
Resets the iterator to the last start node.

Specified by:
reset in interface DTMAxisIterator
Overrides:
reset in class DTMAxisIteratorBase
Returns:
A DTMAxisIterator which has been reset to the start node, which may or may not be the same as this iterator.


Copyright ? 2005 Apache XML Project. All Rights Reserved.