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1 | // Boost.Geometry Index |
2 | // | |
3 | // R-tree options, algorithms, parameters | |
4 | // | |
5 | // Copyright (c) 2011-2014 Adam Wulkiewicz, Lodz, Poland. | |
6 | // | |
92f5a8d4 TL |
7 | // This file was modified by Oracle on 2019. |
8 | // Modifications copyright (c) 2019 Oracle and/or its affiliates. | |
9 | // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle | |
10 | // | |
7c673cae FG |
11 | // Use, modification and distribution is subject to the Boost Software License, |
12 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
13 | // http://www.boost.org/LICENSE_1_0.txt) | |
14 | ||
15 | #ifndef BOOST_GEOMETRY_INDEX_DETAIL_RTREE_OPTIONS_HPP | |
16 | #define BOOST_GEOMETRY_INDEX_DETAIL_RTREE_OPTIONS_HPP | |
17 | ||
18 | #include <boost/geometry/index/parameters.hpp> | |
19 | ||
20 | namespace boost { namespace geometry { namespace index { | |
21 | ||
22 | namespace detail { namespace rtree { | |
23 | ||
24 | // InsertTag | |
25 | struct insert_default_tag {}; | |
26 | struct insert_reinsert_tag {}; | |
27 | ||
28 | // ChooseNextNodeTag | |
29 | struct choose_by_content_diff_tag {}; | |
30 | struct choose_by_overlap_diff_tag {}; | |
31 | ||
32 | // SplitTag | |
33 | struct split_default_tag {}; | |
34 | //struct split_kmeans_tag {}; | |
35 | ||
36 | // RedistributeTag | |
37 | struct linear_tag {}; | |
38 | struct quadratic_tag {}; | |
39 | struct rstar_tag {}; | |
40 | ||
41 | // NodeTag | |
42 | struct node_variant_dynamic_tag {}; | |
43 | struct node_variant_static_tag {}; | |
44 | //struct node_weak_dynamic_tag {}; | |
45 | //struct node_weak_static_tag {}; | |
46 | ||
47 | template <typename Parameters, typename InsertTag, typename ChooseNextNodeTag, typename SplitTag, typename RedistributeTag, typename NodeTag> | |
48 | struct options | |
49 | { | |
50 | typedef Parameters parameters_type; | |
51 | typedef InsertTag insert_tag; | |
52 | typedef ChooseNextNodeTag choose_next_node_tag; | |
53 | typedef SplitTag split_tag; | |
54 | typedef RedistributeTag redistribute_tag; | |
55 | typedef NodeTag node_tag; | |
56 | }; | |
57 | ||
58 | template <typename Parameters> | |
59 | struct options_type | |
60 | { | |
61 | // TODO: awulkiew - use static assert | |
62 | }; | |
63 | ||
64 | template <size_t MaxElements, size_t MinElements> | |
65 | struct options_type< index::linear<MaxElements, MinElements> > | |
66 | { | |
67 | typedef options< | |
68 | index::linear<MaxElements, MinElements>, | |
69 | insert_default_tag, | |
70 | choose_by_content_diff_tag, | |
71 | split_default_tag, | |
72 | linear_tag, | |
73 | node_variant_static_tag | |
74 | > type; | |
75 | }; | |
76 | ||
77 | template <size_t MaxElements, size_t MinElements> | |
78 | struct options_type< index::quadratic<MaxElements, MinElements> > | |
79 | { | |
80 | typedef options< | |
81 | index::quadratic<MaxElements, MinElements>, | |
82 | insert_default_tag, | |
83 | choose_by_content_diff_tag, | |
84 | split_default_tag, | |
85 | quadratic_tag, | |
86 | node_variant_static_tag | |
87 | > type; | |
88 | }; | |
89 | ||
90 | template <size_t MaxElements, size_t MinElements, size_t OverlapCostThreshold, size_t ReinsertedElements> | |
91 | struct options_type< index::rstar<MaxElements, MinElements, OverlapCostThreshold, ReinsertedElements> > | |
92 | { | |
93 | typedef options< | |
94 | index::rstar<MaxElements, MinElements, OverlapCostThreshold, ReinsertedElements>, | |
95 | insert_reinsert_tag, | |
96 | choose_by_overlap_diff_tag, | |
97 | split_default_tag, | |
98 | rstar_tag, | |
99 | node_variant_static_tag | |
100 | > type; | |
101 | }; | |
102 | ||
103 | //template <size_t MaxElements, size_t MinElements> | |
104 | //struct options_type< kmeans<MaxElements, MinElements> > | |
105 | //{ | |
106 | // typedef options< | |
107 | // kmeans<MaxElements, MinElements>, | |
108 | // insert_default_tag, | |
109 | // choose_by_content_diff_tag, // change it? | |
110 | // split_kmeans_tag, | |
111 | // int, // dummy tag - not used for now | |
112 | // node_variant_static_tag | |
113 | // > type; | |
114 | //}; | |
115 | ||
116 | template <> | |
117 | struct options_type< index::dynamic_linear > | |
118 | { | |
119 | typedef options< | |
120 | index::dynamic_linear, | |
121 | insert_default_tag, | |
122 | choose_by_content_diff_tag, | |
123 | split_default_tag, | |
124 | linear_tag, | |
125 | node_variant_dynamic_tag | |
126 | > type; | |
127 | }; | |
128 | ||
129 | template <> | |
130 | struct options_type< index::dynamic_quadratic > | |
131 | { | |
132 | typedef options< | |
133 | index::dynamic_quadratic, | |
134 | insert_default_tag, | |
135 | choose_by_content_diff_tag, | |
136 | split_default_tag, | |
137 | quadratic_tag, | |
138 | node_variant_dynamic_tag | |
139 | > type; | |
140 | }; | |
141 | ||
142 | template <> | |
143 | struct options_type< index::dynamic_rstar > | |
144 | { | |
145 | typedef options< | |
146 | index::dynamic_rstar, | |
147 | insert_reinsert_tag, | |
148 | choose_by_overlap_diff_tag, | |
149 | split_default_tag, | |
150 | rstar_tag, | |
151 | node_variant_dynamic_tag | |
152 | > type; | |
153 | }; | |
154 | ||
92f5a8d4 TL |
155 | template <typename Parameters, typename Strategy> |
156 | struct options_type< index::parameters<Parameters, Strategy> > | |
157 | : options_type<Parameters> | |
158 | { | |
159 | typedef typename options_type<Parameters>::type opt; | |
160 | typedef options< | |
161 | index::parameters<Parameters, Strategy>, | |
162 | typename opt::insert_tag, | |
163 | typename opt::choose_next_node_tag, | |
164 | typename opt::split_tag, | |
165 | typename opt::redistribute_tag, | |
166 | typename opt::node_tag | |
167 | > type; | |
168 | }; | |
169 | ||
7c673cae FG |
170 | }} // namespace detail::rtree |
171 | ||
172 | }}} // namespace boost::geometry::index | |
173 | ||
174 | #endif // BOOST_GEOMETRY_INDEX_DETAIL_RTREE_OPTIONS_HPP |