odb/mysql/object-result.hxx


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

// file      : odb/mysql/object-result.hxx
// author    : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
// license   : GNU GPL v2; see accompanying LICENSE file

#ifndef ODB_MYSQL_OBJECT_RESULT_HXX
#define ODB_MYSQL_OBJECT_RESULT_HXX

#include <odb/pre.hxx>

#include <cstddef> // std::size_t

#include <odb/details/shared-ptr.hxx>

#include <odb/mysql/version.hxx>
#include <odb/mysql/forward.hxx> // query, object_statements
#include <odb/mysql/result.hxx>
#include <odb/mysql/statement.hxx>

namespace odb
{
  namespace mysql
  {
    template <typename T>
    class object_result_impl: public odb::object_result_impl<T>
    {
    public:
      typedef odb::object_result_impl<T> base_type;

      typedef typename base_type::object_type object_type;
      typedef typename base_type::object_traits object_traits;
      typedef typename base_type::id_type id_type;

      typedef typename base_type::pointer_type pointer_type;
      typedef typename base_type::pointer_traits pointer_traits;

      virtual
      ~object_result_impl ();

      object_result_impl (const query&,
                          details::shared_ptr<select_statement>,
                          object_statements<object_type>&);

      virtual void
      load (object_type&, bool fetch);

      virtual id_type
      load_id ();

      virtual void
      next ();

      virtual void
      cache ();

      virtual std::size_t
      size ();

      using base_type::current;

    private:
      void
      fetch (bool next = true);

    private:
      details::shared_ptr<select_statement> statement_;
      object_statements<object_type>& statements_;
      std::size_t count_;
    };

    template <typename T>
    class object_result_impl_no_id: public odb::object_result_impl_no_id<T>
    {
    public:
      typedef odb::object_result_impl_no_id<T> base_type;

      typedef typename base_type::object_type object_type;
      typedef typename base_type::object_traits object_traits;

      typedef typename base_type::pointer_type pointer_type;
      typedef typename base_type::pointer_traits pointer_traits;

      virtual
      ~object_result_impl_no_id ();

      object_result_impl_no_id (const query&,
                                details::shared_ptr<select_statement>,
                                object_statements_no_id<object_type>&);

      virtual void
      load (object_type&);

      virtual void
      next ();

      virtual void
      cache ();

      virtual std::size_t
      size ();

      using base_type::current;

    private:
      void
      fetch ();

    private:
      details::shared_ptr<select_statement> statement_;
      object_statements_no_id<object_type>& statements_;
      std::size_t count_;
    };
  }
}

#include <odb/mysql/object-result.txx>

#include <odb/post.hxx>

#endif // ODB_MYSQL_OBJECT_RESULT_HXX