aboutsummaryrefslogtreecommitdiff
path: root/odb/mysql/traits-calls.hxx
blob: 41a0a9799d6ae3c54994517c258a8d871b4dbf11 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
// file      : odb/mysql/traits-calls.hxx
// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
// license   : GNU GPL v2; see accompanying LICENSE file

#ifndef ODB_MYSQL_TRAITS_CALLS_HXX
#define ODB_MYSQL_TRAITS_CALLS_HXX

#include <odb/pre.hxx>

#include <cstddef> // std::size_t

#include <odb/forward.hxx>
#include <odb/schema-version.hxx>
#include <odb/traits.hxx>

#include <odb/mysql/forward.hxx>
#include <odb/mysql/mysql-types.hxx>

namespace odb
{
  namespace mysql
  {
    //
    // object_traits_calls
    //

    template <typename T,
              bool versioned = object_traits_impl<T, id_mysql>::versioned>
    struct object_traits_calls;

    template <typename T>
    struct object_traits_calls<T, false>
    {
      typedef object_traits_impl<T, id_mysql> traits;
      typedef typename traits::image_type image_type;

      object_traits_calls (const schema_version_migration*) {}

      const schema_version_migration*
      version () const {return 0;}

      static bool
      grow (image_type& i, my_bool* t)
      {
        return traits::grow (i, t);
      }

      static void
      bind (MYSQL_BIND* b, image_type& i, statement_kind sk)
      {
        traits::bind (b, i, sk);
      }

      // Poly-derived version.
      //
      static void
      bind (MYSQL_BIND* b,
            const MYSQL_BIND* id, std::size_t id_size,
            image_type& i,
            statement_kind sk)
      {
        traits::bind (b, id, id_size, i, sk);
      }

      static void
      init (T& o, const image_type& i, odb::database* db)
      {
        traits::init (o, i, db);
      }

      static bool
      find_ (typename traits::statements_type& sts,
             const typename traits::id_type* id)
      {
        return traits::find_ (sts, id);
      }

      static void
      load_ (typename traits::statements_type& sts, T& o, bool reload)
      {
        return traits::load_ (sts, o, reload);
      }
    };

    template <typename T>
    struct object_traits_calls<T, true>
    {
      typedef object_traits_impl<T, id_mysql> traits;
      typedef typename traits::image_type image_type;

      object_traits_calls (const schema_version_migration* svm): svm_ (*svm) {}

      const schema_version_migration*
      version () const {return &svm_;}

      bool
      grow (image_type& i, my_bool* t) const
      {
        return traits::grow (i, t, svm_);
      }

      void
      bind (MYSQL_BIND* b, image_type& i, statement_kind sk) const
      {
        traits::bind (b, i, sk, svm_);
      }

      // Poly-derived version.
      //
      void
      bind (MYSQL_BIND* b,
            const MYSQL_BIND* id, std::size_t id_size,
            image_type& i,
            statement_kind sk) const
      {
        traits::bind (b, id, id_size, i, sk, svm_);
      }

      void
      init (T& o, const image_type& i, odb::database* db) const
      {
        traits::init (o, i, db, svm_);
      }

      bool
      find_ (typename traits::statements_type& sts,
             const typename traits::id_type* id) const
      {
        return traits::find_ (sts, id, svm_);
      }

      void
      load_ (typename traits::statements_type& sts, T& o, bool reload) const
      {
        return traits::load_ (sts, o, reload, svm_);
      }

    private:
      const schema_version_migration& svm_;
    };

    //
    // view_traits_calls
    //

    template <typename T,
              bool versioned = view_traits_impl<T, id_mysql>::versioned>
    struct view_traits_calls;

    template <typename T>
    struct view_traits_calls<T, false>
    {
      typedef view_traits_impl<T, id_mysql> traits;
      typedef typename traits::image_type image_type;

      view_traits_calls (const schema_version_migration*) {}

      static bool
      grow (image_type& i, my_bool* t)
      {
        return traits::grow (i, t);
      }

      static void
      bind (MYSQL_BIND* b, image_type& i)
      {
        traits::bind (b, i);
      }

      static void
      init (T& o, const image_type& i, odb::database* db)
      {
        traits::init (o, i, db);
      }
    };

    template <typename T>
    struct view_traits_calls<T, true>
    {
      typedef view_traits_impl<T, id_mysql> traits;
      typedef typename traits::image_type image_type;

      view_traits_calls (const schema_version_migration* svm): svm_ (*svm) {}

      bool
      grow (image_type& i, my_bool* t) const
      {
        return traits::grow (i, t, svm_);
      }

      void
      bind (MYSQL_BIND* b, image_type& i) const
      {
        traits::bind (b, i, svm_);
      }

      void
      init (T& o, const image_type& i, odb::database* db) const
      {
        traits::init (o, i, db, svm_);
      }

    private:
      const schema_version_migration& svm_;
    };
  }
}

#include <odb/post.hxx>

#endif // ODB_MYSQL_TRAITS_CALLS_HXX