quadtree/Root.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * 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.
 *
 **********************************************************************
 *
 * Last port: index/quadtree/Root.java rev 1.7 (JTS-1.10)
 *
 **********************************************************************/
 
#ifndef GEOS_IDX_QUADTREE_ROOT_H
#define GEOS_IDX_QUADTREE_ROOT_H
 
#include <geos/export.h>
#include <geos/index/quadtree/NodeBase.h> // for inheritance
#include <geos/geom/Coordinate.h> // for composition
 
// Forward declarations
namespace geos {
        namespace geom {
                class Envelope;
        }
        namespace index {
                namespace quadtree {
                        class Node;
                }
        }
}
 
namespace geos {
namespace index { // geos::index
namespace quadtree { // geos::index::quadtree

class GEOS_DLL Root: public NodeBase {
//friend class Unload;
 
private:
 
        static const geom::Coordinate origin;

        void insertContained(Node *tree, const geom::Envelope *itemEnv,
                             void* item);
 
public:
 
        Root() {}
 
        virtual ~Root() {}

        void insert(const geom::Envelope *itemEnv, void* item);
 
protected:
 
        bool isSearchMatch(const geom::Envelope& /* searchEnv */) const {
                return true;
        }
 
};
 
} // namespace geos::index::quadtree
} // namespace geos::index
} // namespace geos
 
#endif // GEOS_IDX_QUADTREE_ROOT_H