1#ifndef BOOST_SERIALIZATION_ITEM_VERSION_TYPE_HPP
2#define BOOST_SERIALIZATION_ITEM_VERSION_TYPE_HPP
3
4// (C) Copyright 2010 Robert Ramey
5// Use, modification and distribution is subject to the Boost Software
6// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
7// http://www.boost.org/LICENSE_1_0.txt)
8
9#include <boost/cstdint.hpp> // uint_least8_t
10#include <boost/integer_traits.hpp>
11#include <boost/serialization/level.hpp>
12#include <boost/serialization/is_bitwise_serializable.hpp>
13
14// fixes broken example build on x86_64-linux-gnu-gcc-4.6.0
15#include <boost/assert.hpp>
16
17namespace boost {
18namespace serialization {
19
20#if defined(_MSC_VER)
21#pragma warning( push )
22#pragma warning( disable : 4244 4267 )
23#endif
24
25class item_version_type {
26private:
27 typedef unsigned int base_type;
28 base_type t;
29public:
30 // should be private - but MPI fails if it's not!!!
31 item_version_type(): t(0) {}
32 explicit item_version_type(const unsigned int t_) : t(t_){
33 BOOST_ASSERT(t_ <= boost::integer_traits<base_type>::const_max);
34 }
35 item_version_type(const item_version_type & t_) :
36 t(t_.t)
37 {}
38 item_version_type & operator=(item_version_type rhs){
39 t = rhs.t;
40 return *this;
41 }
42 // used for text output
43 operator base_type () const {
44 return t;
45 }
46 // used for text input
47 operator base_type & () {
48 return t;
49 }
50 bool operator==(const item_version_type & rhs) const {
51 return t == rhs.t;
52 }
53 bool operator<(const item_version_type & rhs) const {
54 return t < rhs.t;
55 }
56};
57
58#if defined(_MSC_VER)
59#pragma warning( pop )
60#endif
61
62} } // end namespace boost::serialization
63
64BOOST_IS_BITWISE_SERIALIZABLE(item_version_type)
65
66BOOST_CLASS_IMPLEMENTATION(item_version_type, primitive_type)
67
68#endif //BOOST_SERIALIZATION_ITEM_VERSION_TYPE_HPP
69

source code of include/boost/serialization/item_version_type.hpp