org.apache.xalan.xsltc.dom
Class UnionIterator

java.lang.Object
  org.apache.xml.dtm.ref.DTMAxisIteratorBase
      org.apache.xalan.xsltc.dom.MultiValuedNodeHeapIterator
          org.apache.xalan.xsltc.dom.UnionIterator

All Implemented Interfaces:

java.lang.Cloneable, DTMAxisIterator

public final class UnionIterator
extends MultiValuedNodeHeapIterator

UnionIterator takes a set of NodeIterators and produces a merged NodeSet in document order with duplicates removed The individual iterators are supposed to generate nodes in document order

Nested Class Summary

private class

UnionIterator.LookAheadIterator

Nested classes/interfaces inherited from class org.apache.xalan.xsltc.dom.MultiValuedNodeHeapIterator

MultiValuedNodeHeapIterator.HeapNode

Field Summary

private DOM

_dom wrapper for NodeIterators to support iterator comparison on the value of their next() method

Fields inherited from class org.apache.xml.dtm.ref.DTMAxisIteratorBase

_includeSelf, _isRestartable, _last, _markedNode, _position, _startNode

Fields inherited from interface org.apache.xml.dtm.DTMAxisIterator

END

Constructor Summary

UnionIterator(DOM dom)

Method Summary

UnionIterator

addIterator(DTMAxisIterator iterator)

Methods inherited from class org.apache.xalan.xsltc.dom.MultiValuedNodeHeapIterator

addHeapNode, cloneIterator, gotoMark, init, next, reset, setMark, setStartNode

Methods inherited from class org.apache.xml.dtm.ref.DTMAxisIteratorBase

getAxis, getLast, getNodeByPosition, getPosition, getStartNode, includeSelf, isDocOrdered, isReverse, resetPosition, returnNode, setRestartable

Methods inherited from class java.lang.Object

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

Field Detail

_dom

private final DOM _dom

wrapper for NodeIterators to support iterator comparison on the value of their next() method

Constructor Detail

UnionIterator

public UnionIterator(DOM dom)

Method Detail

addIterator

public UnionIterator addIterator(DTMAxisIterator iterator)