GEOS 3.4.2

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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
22 namespace geos {
23 namespace index {
24 namespace bintree {
25 class Node;
26 class Interval;
27 }
28 }
29 }
30
31 namespace geos {
32 namespace index { // geos::index
33 namespace bintree { // geos::index::bintree
34
36 class GEOS_DLL NodeBase {
37
38 public:
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
61 protected:
62
63 std::vector<void*>* items;
64
70 Node* subnode[2];
71
72 virtual bool isSearchMatch(Interval *interval)=0;
73 };
74
75 } // namespace geos::index::bintree
76 } // namespace geos::index
77 } // namespace geos
78
79 #endif // GEOS_IDX_BINTREE_NODEBASE_H
80