boost/serialization/item_version_type.hpp

0001 #ifndef BOOST_SERIALIZATION_ITEM_VERSION_TYPE_HPP
0002 #define BOOST_SERIALIZATION_ITEM_VERSION_TYPE_HPP
0003
0004 // (C) Copyright 2010 Robert Ramey
0005 // Use, modification and distribution is subject to the Boost Software
0006 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
0007 // http://www.boost.org/LICENSE_1_0.txt)
0008
0009 #include <boost/cstdint.hpp> // uint_least8_t
0010 #include <boost/integer_traits.hpp>
0011 #include <boost/serialization/level.hpp>
0012 #include <boost/serialization/is_bitwise_serializable.hpp>
0013
0014 // fixes broken example build on x86_64-linux-gnu-gcc-4.6.0
0015 #include <boost/assert.hpp>
0016
0017 namespace boost {
0018 namespace serialization {
0019
0020 #if defined(_MSC_VER)
0021 #pragma warning( push )
0022 #pragma warning( disable : 4244 4267 )
0023 #endif
0024
0025 class item_version_type {
0026 private:
0027     typedef unsigned int base_type;
0028     base_type t;
0029 public:
0030     // should be private - but MPI fails if it's not!!!
0031     item_version_type(): t(0) {}
0032     explicit item_version_type(const unsigned int t_) : t(t_){
0033         BOOST_ASSERT(t_ <= boost::integer_traits<base_type>::const_max);
0034     }
0035     item_version_type(const item_version_type & t_) :
0036         t(t_.t)
0037     {}
0038     item_version_type & operator=(item_version_type rhs){
0039         t = rhs.t;
0040         return *this;
0041     }
0042     // used for text output
0043     operator base_type () const {
0044         return t;
0045     }
0046     // used for text input
0047     operator base_type & () {
0048         return t;
0049     }
0050     bool operator==(const item_version_type & rhs) const {
0051         return t == rhs.t;
0052     }
0053     bool operator<(const item_version_type & rhs) const {
0054         return t < rhs.t;
0055     }
0056 };
0057
0058 #if defined(_MSC_VER)
0059 #pragma warning( pop )
0060 #endif
0061
0062 } } // end namespace boost::serialization
0063
0064 BOOST_IS_BITWISE_SERIALIZABLE(item_version_type)
0065
0066 BOOST_CLASS_IMPLEMENTATION(item_version_type, primitive_type)
0067
0068 #endif //BOOST_SERIALIZATION_ITEM_VERSION_TYPE_HPP