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bintree/Root.h
1 /**********************************************************************
2 * $Id: Root.h 2556 2009-06-06 22:22:28Z strk $
3 *
4 * GEOS - Geometry Engine Open Source
5 * http://geos.refractions.net
6 *
7 * Copyright (C) 2006 Refractions Research Inc.
8 *
9 * This is free software; you can redistribute and/or modify it under
10 * the terms of the GNU Lesser General Public Licence as published
11 * by the Free Software Foundation.
12 * See the COPYING file for more information.
13 *
14 **********************************************************************/
15
16 #ifndef GEOS_IDX_BINTREE_ROOT_H
17 #define GEOS_IDX_BINTREE_ROOT_H
18
19 #include <geos/export.h>
20 #include <geos/index/bintree/NodeBase.h> // for inheritance
21
22 // Forward declarations
23 namespace geos {
24 namespace index {
25 namespace bintree {
26 class Interval;
27 class Node;
28 }
29 }
30 }
31
32 namespace geos {
33 namespace index { // geos::index
34 namespace bintree { // geos::index::bintree
35
42 class GEOS_DLL Root: public NodeBase {
43
44 private:
45
46 // the singleton root node is centred at the origin.
47 static double origin;
48
49 void insertContained(Node *tree,
50 Interval *itemInterval,
51 void* item);
52
53 public:
54
55 Root() {}
56
57 ~Root() {}
58
65 void insert(Interval *itemInterval, void* item);
66
67 protected:
68
69 bool isSearchMatch(Interval* /*interval*/) { return true; }
70 };
71
72 } // namespace geos::index::bintree
73 } // namespace geos::index
74 } // namespace geos
75
76 #endif // GEOS_IDX_BINTREE_ROOT_H
77
78 /**********************************************************************
79 * $Log$
80 * Revision 1.1 2006/03/22 16:01:33 strk
81 * indexBintree.h header split, classes renamed to match JTS
82 *
83 **********************************************************************/
84