78 lines
1.6 KiB
C++
78 lines
1.6 KiB
C++
/**********************************************************************
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*
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* GEOS - Geometry Engine Open Source
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* http://geos.osgeo.org
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*
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* Copyright (C) 2006 Refractions Research Inc.
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*
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* This is free software; you can redistribute and/or modify it under
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* the terms of the GNU Lesser General Public Licence as published
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* by the Free Software Foundation.
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* See the COPYING file for more information.
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*
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**********************************************************************/
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#pragma once
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#include <geos/export.h>
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#include <geos/index/bintree/NodeBase.h> // for inheritance
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// Forward declarations
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namespace geos {
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namespace index {
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namespace bintree {
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class Interval;
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class Node;
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}
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}
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}
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namespace geos {
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namespace index { // geos::index
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namespace bintree { // geos::index::bintree
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/** \brief
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* The root node of a single Bintree.
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*
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* It is centred at the origin,
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* and does not have a defined extent.
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*/
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class GEOS_DLL Root: public NodeBase {
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private:
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// the singleton root node is centred at the origin.
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static double origin;
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void insertContained(Node* tree,
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Interval* itemInterval,
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void* item);
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public:
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Root() {}
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~Root() override {}
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/// @param itemInterval
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/// Ownership left to caller, references kept in this class.
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///
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/// @param item
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/// Ownership left to caller, references kept in this class.
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///
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void insert(Interval* itemInterval, void* item);
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protected:
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bool
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isSearchMatch(Interval* /*interval*/) override
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{
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return true;
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}
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};
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} // namespace geos::index::bintree
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} // namespace geos::index
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} // namespace geos
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