org.apache.xalan.xsltc.dom

Class DupFilterIterator

Implemented Interfaces:
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

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()
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

cloneIterator, getAxis, getLast, getNodeByPosition, getPosition, getStartNode, includeSelf, isDocOrdered, isReverse, reset, setRestartable

Constructor Details

DupFilterIterator

public DupFilterIterator(DTMAxisIterator source)

Method Details

cloneIterator

public DTMAxisIterator cloneIterator()
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 interface DTMAxisIteratorBase
Returns:
a deep copy of this iterator.

gotoMark

public void gotoMark()
Restores the current node remembered by setMark().
Specified by:
gotoMark in interface DTMAxisIterator

next

public int next()
Get the next node in the iteration.
Specified by:
next in interface DTMAxisIterator
Returns:
The next node handle in the iteration, or END.

reset

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

setMark

public void setMark()
Remembers the current node for the next call to gotoMark().
Specified by:
setMark in interface DTMAxisIterator

setRestartable

public void setRestartable(boolean isRestartable)
Set if restartable.
Specified by:
setRestartable in interface DTMAxisIterator
Overrides:
setRestartable in interface DTMAxisIteratorBase

setStartNode

public DTMAxisIterator setStartNode(int node)
Set the start node for this iterator
Specified by:
setStartNode in interface DTMAxisIterator
Parameters:
node - The start node
Returns:
A reference to this node iterator

Copyright B) 2006 Apache XML Project. All Rights Reserved.