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/**********************************************************************
 * $Id: IntervalRTreeBranchNode.h 2263 2009-01-29 18:56:00Z mloskot $
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.refractions.net
 *
 * Copyright (C) 2006 Refractions Research Inc.
 *
 * This is free software; you can redistribute and/or modify it under
 * the terms of the GNU Lesser General Public Licence as published
 * by the Free Software Foundation. 
 * See the COPYING file for more information.
 *
 *
 **********************************************************************/

#ifndef GEOS_INDEX_INTERVALRTREE_INTERVALRTREEBRANCHNODE_H
#define GEOS_INDEX_INTERVALRTREE_INTERVALRTREEBRANCHNODE_H

#include <geos/index/intervalrtree/IntervalRTreeNode.h> // inherited

#include <algorithm>

// forward declarations
namespace geos {
	namespace index {
		class ItemVisitor;
	}
}


namespace geos {
namespace index {
namespace intervalrtree {

class IntervalRTreeBranchNode : public IntervalRTreeNode
{
private:
	const IntervalRTreeNode * node1;
	const IntervalRTreeNode * node2;

	//void buildExtent( IntervalRTreeNode * n1, IntervalRTreeNode * n2)
	//{
	//	min = std::min( n1->min, n2->min);
	//	max = std::max( n1->max, n2->max);
	//}

protected:
public:
	IntervalRTreeBranchNode( const IntervalRTreeNode * n1, const IntervalRTreeNode * n2)
	:	IntervalRTreeNode( std::min( n1->getMin(), n2->getMin()), std::max( n1->getMax(), n2->getMax())),
		node1( n1),
		node2( n2)
	{ }

	~IntervalRTreeBranchNode()
	{
		delete node1;
		delete node2;
	}

	
	void query(double queryMin, double queryMax, index::ItemVisitor * visitor) const;
};

} // geos::intervalrtree
} // geos::index
} // geos

#endif // GEOS_INDEX_INTERVALRTREE_INTERVALRTREEBRANCHNODE_H
/**********************************************************************
 * $Log$
 **********************************************************************/