aboutsummaryrefslogtreecommitdiff
path: root/odb/view-image.hxx
blob: 099924d07953fa31cdcf94013cf43f009de7ffbb (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
// file      : odb/view-image.hxx
// copyright : Copyright (c) 2009-2015 Code Synthesis Tools CC
// license   : GNU GPL v2; see accompanying LICENSE file

#ifndef ODB_VIEW_IMAGE_HXX
#define ODB_VIEW_IMAGE_HXX

#include <odb/pre.hxx>

#include <odb/forward.hxx>
#include <odb/traits.hxx>

namespace odb
{
  // Helper to create a complete image chain for a polymorphic
  // object hierarchy.
  //
  template <typename D, typename R, database_id DB>
  struct view_object_image: object_traits_impl<D, DB>::image_type
  {
    view_object_image () {this->base = &base_;}

  private:
    // Data member names in the generated image_type never end with
    // an underscore, so this name shouldn't clash.
    //
    view_object_image<typename object_traits_impl<D, DB>::base_type, R, DB>
    base_;
  };

  template <typename R, database_id DB>
  struct view_object_image<R, R, DB>: object_traits_impl<R, DB>::image_type {};
}

#include <odb/post.hxx>

#endif // ODB_VIEW_IMAGE_HXX