index/bintree/Node.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 <geos/index/bintree/NodeBase.h> // for inheritance
 
// Forward declarations
namespace geos {
namespace index {
namespace bintree {
class Interval;
}
}
}
 
namespace geos {
namespace index { // geos::index
namespace bintree { // geos::index::bintree
 
class GEOS_DLL Node: public NodeBase {
 
public:
 
    static Node* createNode(Interval* itemInterval);
 
    static Node* createExpanded(Node* node, Interval* addInterval);
 
    Node(Interval* newInterval, int newLevel);
 
    ~Node() override;
 
    Interval* getInterval();
 
    Node* getNode(Interval* searchInterval);
 
    NodeBase* find(Interval* searchInterval);
 
    void insert(Node* node);
 
private:
 
    Interval* interval;
 
    double centre;
 
    int level;
 
    Node* getSubnode(int index);
 
    Node* createSubnode(int index);
 
protected:
 
    bool isSearchMatch(Interval* itemInterval) override;
};
 
} // namespace geos::index::bintree
} // namespace geos::index
} // namespace geos