GEOS 3.9.1
bintree/NodeBase.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_NODEBASE_H
16#define GEOS_IDX_BINTREE_NODEBASE_H
17
18#include <geos/export.h>
19#include <vector>
20
21// Forward declarations
22namespace geos {
23namespace index {
24namespace bintree {
25class Node;
26class Interval;
27}
28}
29}
30
31namespace geos {
32namespace index { // geos::index
33namespace bintree { // geos::index::bintree
34
36class GEOS_DLL NodeBase {
37
38public:
39
40 static int getSubnodeIndex(Interval* interval, double centre);
41
42 NodeBase();
43
44 virtual ~NodeBase();
45
46 virtual std::vector<void*>* getItems();
47
48 virtual void add(void* item);
49
50 virtual std::vector<void*>* addAllItems(std::vector<void*>* newItems);
51
52 virtual std::vector<void*>* addAllItemsFromOverlapping(Interval* interval,
53 std::vector<void*>* resultItems);
54
55 virtual int depth();
56
57 virtual int size();
58
59 virtual int nodeSize();
60
61protected:
62
63 std::vector<void*>* items;
64
70 Node* subnode[2];
71
72 virtual bool isSearchMatch(Interval* interval) = 0;
73
74private:
75
76 NodeBase(const NodeBase&) = delete;
77 NodeBase& operator=(const NodeBase&) = delete;
78
79};
80
81} // namespace geos::index::bintree
82} // namespace geos::index
83} // namespace geos
84
85#endif // GEOS_IDX_BINTREE_NODEBASE_H
86
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
Basic namespace for all GEOS functionalities.
Definition: IndexedNestedRingTester.h:26