GEOS 3.9.1
bintree/Root.h
1/**********************************************************************
2 *
3 * GEOS - Geometry Engine Open Source
4 * http://geos.osgeo.org
5 *
6 * Copyright (C) 2006 Refractions Research Inc.
7 *
8 * This is free software; you can redistribute and/or modify it under
9 * the terms of the GNU Lesser General Public Licence as published
10 * by the Free Software Foundation.
11 * See the COPYING file for more information.
12 *
13 **********************************************************************/
14
15#ifndef GEOS_IDX_BINTREE_ROOT_H
16#define GEOS_IDX_BINTREE_ROOT_H
17
18#include <geos/export.h>
19#include <geos/index/bintree/NodeBase.h> // for inheritance
20
21// Forward declarations
22namespace geos {
23namespace index {
24namespace bintree {
25class Interval;
26class Node;
27}
28}
29}
30
31namespace geos {
32namespace index { // geos::index
33namespace bintree { // geos::index::bintree
34
41class GEOS_DLL Root: public NodeBase {
42
43private:
44
45 // the singleton root node is centred at the origin.
46 static double origin;
47
48 void insertContained(Node* tree,
49 Interval* itemInterval,
50 void* item);
51
52public:
53
54 Root() {}
55
56 ~Root() override {}
57
64 void insert(Interval* itemInterval, void* item);
65
66protected:
67
68 bool
69 isSearchMatch(Interval* /*interval*/) override
70 {
71 return true;
72 }
73};
74
75} // namespace geos::index::bintree
76} // namespace geos::index
77} // namespace geos
78
79#endif // GEOS_IDX_BINTREE_ROOT_H
80
Represents an (1-dimensional) closed interval on the Real number line.
Definition bintree/Interval.h:25
The base class for nodes in a Bintree.
Definition bintree/NodeBase.h:36
A node of a Bintree.
Definition index/bintree/Node.h:35
The root node of a single Bintree.
Definition bintree/Root.h:41
void insert(Interval *itemInterval, void *item)
Basic namespace for all GEOS functionalities.
Definition IndexedNestedRingTester.h:26