/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.jcr.base;
import javax.jcr.Node;
import javax.jcr.NodeIterator;
/**
* Iterates over an array array of base nodes.
*/
public class BaseNodeIterator implements NodeIterator {
private BaseNode []_nodes;
private int _index;
public BaseNodeIterator(BaseNode []nodes)
{
_nodes = nodes;
}
/**
* Returns the next node.
*/
public Node nextNode()
{
if (_index < _nodes.length)
return _nodes[_index++];
else
return null;
}
//
// javax.jcr.RangeIterator
//
/**
* Skips the next 'n' nodes.
*/
public void skip(long skipNum)
{
_index += skipNum;
}
/**
* Returns the total number of nodes.
*/
public long getSize()
{
return _nodes.length;
}
/**
* Returns the current position.
*/
public long getPosition()
{
return _index;
}
//
// java.util.iterator
//
/**
* Returns the next node.
*/
public Object next()
{
return nextNode();
}
/**
* Returns true if there are more nodes.
*/
public boolean hasNext()
{
return _index < _nodes.length;
}
/**
* Removes the current item.
*/
public void remove()
{
throw new UnsupportedOperationException(getClass().getName());
}
}