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// file : odb/container-traits.hxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef ODB_CONTAINER_TRAITS_HXX
#define ODB_CONTAINER_TRAITS_HXX
#include <odb/pre.hxx>
#include <odb/forward.hxx>
namespace odb
{
// Keep this enum synchronized with the one in odb/odb/context.hxx.
//
enum container_kind
{
ck_ordered,
ck_set,
ck_multiset,
ck_map,
ck_multimap
};
//
// Container API provided by the generated code.
//
// Ordered containers.
//
template <typename I, typename V>
struct ordered_functions
{
typedef I index_type;
typedef V value_type;
// Return true if the order is preserved in the database. If the
// order is not preserved, then the index argument in the functions
// below is not used.
//
bool
ordered () const
{
return ordered_;
}
void
insert_one (I index, const V& value) const
{
insert_one_ (index, value, data_);
}
bool
load_all (I& next_index, V& next_value) const
{
return load_all_ (next_index, next_value, data_);
}
void
delete_all () const
{
delete_all_ (data_);
}
// Implementation details.
//
public:
typedef void (*insert_one_type) (I, const V&, void*);
typedef bool (*load_all_type) (I&, V&, void*);
typedef void (*delete_all_type) (void*);
ordered_functions (void* data,
insert_one_type io,
load_all_type la,
delete_all_type da)
: data_ (data), insert_one_ (io), load_all_ (la), delete_all_ (da)
{
}
void
ordered (bool v)
{
ordered_ = v;
}
private:
void* data_;
bool ordered_;
insert_one_type insert_one_;
load_all_type load_all_;
delete_all_type delete_all_;
};
// Set/multiset containers.
//
template <typename V>
struct set_functions
{
typedef V value_type;
void
insert_one (const V& value) const
{
insert_one_ (value, data_);
}
bool
load_all (V& next_value) const
{
return load_all_ (next_value, data_);
}
void
delete_all () const
{
delete_all_ (data_);
}
// Implementation details.
//
public:
typedef void (*insert_one_type) (const V&, void*);
typedef bool (*load_all_type) (V&, void*);
typedef void (*delete_all_type) (void*);
set_functions (void* data,
insert_one_type io,
load_all_type la,
delete_all_type da)
: data_ (data), insert_one_ (io), load_all_ (la), delete_all_ (da)
{
}
private:
void* data_;
insert_one_type insert_one_;
load_all_type load_all_;
delete_all_type delete_all_;
};
// Map/multimap containers.
//
template <typename K, typename V>
struct map_functions
{
typedef K key_type;
typedef V value_type;
void
insert_one (const K& key, const V& value) const
{
insert_one_ (key, value, data_);
}
bool
load_all (K& next_key, V& next_value) const
{
return load_all_ (next_key, next_value, data_);
}
void
delete_all () const
{
delete_all_ (data_);
}
// Implementation details.
//
public:
typedef void (*insert_one_type) (const K&, const V&, void*);
typedef bool (*load_all_type) (K&, V&, void*);
typedef void (*delete_all_type) (void*);
map_functions (void* data,
insert_one_type io,
load_all_type la,
delete_all_type da)
: data_ (data), insert_one_ (io), load_all_ (la), delete_all_ (da)
{
}
private:
void* data_;
insert_one_type insert_one_;
load_all_type load_all_;
delete_all_type delete_all_;
};
}
#include <odb/post.hxx>
#include <odb/std-map-traits.hxx>
#include <odb/std-set-traits.hxx>
#include <odb/std-list-traits.hxx>
#include <odb/std-vector-traits.hxx>
#endif // ODB_CONTAINER_TRAITS_HXX
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