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Root.h

00001 /**********************************************************************
00002  * $Id: Root.h 2556 2009-06-06 22:22:28Z strk $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2006 Refractions Research Inc.
00008  *
00009  * This is free software; you can redistribute and/or modify it under
00010  * the terms of the GNU Lesser General Public Licence as published
00011  * by the Free Software Foundation. 
00012  * See the COPYING file for more information.
00013  *
00014  **********************************************************************/
00015 
00016 #ifndef GEOS_IDX_BINTREE_ROOT_H
00017 #define GEOS_IDX_BINTREE_ROOT_H
00018 
00019 #include <geos/export.h>
00020 #include <geos/index/bintree/NodeBase.h> // for inheritance
00021 
00022 // Forward declarations
00023 namespace geos {
00024         namespace index { 
00025                 namespace bintree { 
00026                         class Interval;
00027                         class Node;
00028                 }
00029         }
00030 }
00031 
00032 namespace geos {
00033 namespace index { // geos::index
00034 namespace bintree { // geos::index::bintree
00035 
00042 class GEOS_DLL Root: public NodeBase {
00043 
00044 private:
00045 
00046         // the singleton root node is centred at the origin.
00047         static double origin;
00048 
00049         void insertContained(Node *tree,
00050                         Interval *itemInterval,
00051                         void* item);
00052 
00053 public:
00054 
00055         Root() {}
00056 
00057         ~Root() {}
00058 
00065         void insert(Interval *itemInterval, void* item);
00066 
00067 protected:
00068 
00069         bool isSearchMatch(Interval* /*interval*/) { return true; }
00070 };
00071 
00072 } // namespace geos::index::bintree
00073 } // namespace geos::index
00074 } // namespace geos
00075 
00076 #endif // GEOS_IDX_BINTREE_ROOT_H
00077 
00078 /**********************************************************************
00079  * $Log$
00080  * Revision 1.1  2006/03/22 16:01:33  strk
00081  * indexBintree.h header split, classes renamed to match JTS
00082  *
00083  **********************************************************************/
00084 

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