com.caucho.xpath.pattern
Class UniqueIterator

java.lang.Object
  com.caucho.xpath.pattern.NodeIterator
      com.caucho.xpath.pattern.UniqueIterator

All Implemented Interfaces:

ExprEnvironment, java.util.Iterator<org.w3c.dom.Node>

public class UniqueIterator
extends NodeIterator

The unique iterator.

Field Summary

Fields inherited from class com.caucho.xpath.pattern.NodeIterator

_contextNode, _env, _position, _size, log

Constructor Summary

UniqueIterator(ExprEnvironment env)
Zero arg constructor.

UniqueIterator(ExprEnvironment env, NodeIterator baseIterator)
Creates a merge iterator with a given base.

Method Summary

java.lang.Object	clone() Returns a clone
boolean	hasNext() True if there are more nodes.
org.w3c.dom.Node	nextNode() Returns the next node.

Methods inherited from class com.caucho.xpath.pattern.NodeIterator

copy, getContextNode, getContextPosition, getContextSize, getCurrentNode, getFunction, getOwnerDocument, getPositionIndex, getStylesheetEnv, getVar, next, nextSelectedNode, remove, setContextNode, setMorePositions, stringValue, systemProperty

Methods inherited from class java.lang.Object

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

Constructor Detail

UniqueIterator

public UniqueIterator(ExprEnvironment env)

Zero arg constructor.

UniqueIterator

public UniqueIterator(ExprEnvironment env,
                      NodeIterator baseIterator)
               throws XPathException

Creates a merge iterator with a given base.

Throws:

XPathException

Method Detail

hasNext

public boolean hasNext()

True if there are more nodes.

Specified by:

hasNext in interface java.util.Iterator<org.w3c.dom.Node>

Specified by:

hasNext in class NodeIterator

nextNode

public org.w3c.dom.Node nextNode()
                          throws XPathException

Returns the next node.

Specified by:

nextNode in class NodeIterator

Throws:

XPathException

clone

public java.lang.Object clone()

Returns a clone

Specified by:

clone in class NodeIterator