AbstractNode.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_INDEX_STRTREE_ABSTRACTNODE_H
#define GEOS_INDEX_STRTREE_ABSTRACTNODE_H

#include <geos/export.h>
#include <geos/index/strtree/Boundable.h> // for inheritance

#include <vector>

#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class
#endif

namespace geos {
namespace index { // geos::index
namespace strtree { // geos::index::strtree

class GEOS_DLL AbstractNode: public Boundable {
private:
        std::vector<Boundable*> childBoundables;
        int level;
public:
        AbstractNode(int newLevel, int capacity=10);
        virtual ~AbstractNode();

        // TODO: change signature to return by ref,
        // document ownership of the return
        inline std::vector<Boundable*>* getChildBoundables() {
                return &childBoundables;
        }

        // TODO: change signature to return by ref,
        // document ownership of the return
        inline const std::vector<Boundable*>* getChildBoundables() const {
                return &childBoundables;
        }

        const void* getBounds() const;

        int getLevel();

        void addChildBoundable(Boundable *childBoundable);

protected:

        virtual void* computeBounds() const=0;

        mutable void* bounds;
};


} // namespace geos::index::strtree
} // namespace geos::index
} // namespace geos

#ifdef _MSC_VER
#pragma warning(pop)
#endif

#endif // GEOS_INDEX_STRTREE_ABSTRACTNODE_H

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