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.
 *
 **********************************************************************/
 
#pragma once
 
#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;
 
private:
 
    NodeBase(const NodeBase&) = delete;
    NodeBase& operator=(const NodeBase&) = delete;
 
};
 
} // namespace geos::index::bintree
} // namespace geos::index
} // namespace geos