bintree/NodeBase.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.
 *
 **********************************************************************/
 
#ifndef GEOS_IDX_BINTREE_NODEBASE_H
#define GEOS_IDX_BINTREE_NODEBASE_H
 
#include <geos/export.h>
#include <vector>
 
// Forward declarations
namespace geos {
        namespace index { 
                namespace bintree { 
                        class Node;
                        class Interval;
                }
        }
}
 
namespace geos {
namespace index { // geos::index
namespace bintree { // geos::index::bintree

class GEOS_DLL NodeBase {
 
public:
 
        static int getSubnodeIndex(Interval *interval, double centre);
 
        NodeBase();
 
        virtual ~NodeBase();
 
        virtual std::vector<void*> *getItems();
 
        virtual void add(void* item);
 
        virtual std::vector<void*>* addAllItems(std::vector<void*> *newItems);
 
        virtual std::vector<void*>* addAllItemsFromOverlapping(Interval *interval,
                        std::vector<void*> *resultItems);
 
        virtual int depth();
 
        virtual int size();
 
        virtual int nodeSize();
 
protected:      
 
        std::vector<void*>* items;

        Node* subnode[2];
 
        virtual bool isSearchMatch(Interval *interval)=0;
};
 
} // namespace geos::index::bintree
} // namespace geos::index
} // namespace geos
 
#endif // GEOS_IDX_BINTREE_NODEBASE_H