1 /* Copyright 2003-2005 Joaqu�n M L�pez Mu�oz.
2 * Distributed under the Boost Software License, Version 1.0.
3 * (See accompanying file LICENSE_1_0.txt or copy at
4 * http://www.boost.org/LICENSE_1_0.txt)
5 *
6 * See http://www.boost.org/libs/multi_index for library home page.
7 */
8
9 #ifndef BOOST_MULTI_INDEX_DETAIL_INDEX_NODE_BASE_HPP
10 #define BOOST_MULTI_INDEX_DETAIL_INDEX_NODE_BASE_HPP
11
12 #if defined(_MSC_VER)&&(_MSC_VER>=1200)
13 #pragma once
14 #endif
15
16 #if !defined(BOOST_MULTI_INDEX_DISABLE_SERIALIZATION)
17 #include <boost/config.hpp> /* keep it first to prevent nasty warns in MSVC */
18 #include <boost/archive/archive_exception.hpp>
19 #include <boost/serialization/access.hpp>
20 #include <boost/throw_exception.hpp>
21 #endif
22
23 namespace boost{
24
25 namespace multi_index{
26
27 namespace detail{
28
29 /* index_node_base tops the node hierarchy of multi_index_container. It holds
30 * the value of the element contained.
31 */
32
33 template<typename Value>
34 struct index_node_base
35 {
36 typedef index_node_base base_type; /* used for serialization purposes */
37 typedef Value value_type;
38 value_type value;
39
40 private:
41 index_node_base();
42 /* this class is not intended to be cted, merely allocated */
43
44 #if !defined(BOOST_MULTI_INDEX_DISABLE_SERIALIZATION)
45 friend class boost::serialization::access;
46
47 /* nodes do not emit any kind of serialization info. They are
48 * fed to Boost.Serialization so that pointers to nodes are
49 * tracked correctly.
50 */
51
52 template<class Archive>
serializeboost::multi_index::detail::index_node_base53 void serialize(Archive&,const unsigned int)
54 {
55 }
56 #endif
57
58 };
59
60 } /* namespace multi_index::detail */
61
62 } /* namespace multi_index */
63
64 #if !defined(BOOST_MULTI_INDEX_DISABLE_SERIALIZATION)
65 /* Index nodes never get constructed directly by Boost.Serialization,
66 * as archives are always fed pointers to previously existent
67 * nodes. So, if this is called it means we are dealing with a
68 * somehow invalid archive.
69 */
70
71 #if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
72 namespace serialization{
73 #else
74 namespace multi_index{
75 namespace detail{
76 #endif
77
78 template<class Archive,typename Value>
load_construct_data(Archive &,boost::multi_index::detail::index_node_base<Value> *,const unsigned int)79 inline void load_construct_data(
80 Archive&,boost::multi_index::detail::index_node_base<Value>*,
81 const unsigned int)
82 {
83 throw_exception(
84 archive::archive_exception(archive::archive_exception::other_exception));
85 }
86
87 #if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
88 } /* namespace serialization */
89 #else
90 } /* namespace multi_index::detail */
91 } /* namespace multi_index */
92 #endif
93
94 #endif
95
96 } /* namespace boost */
97
98 #endif
99