#ifndef BOOST_SERIALIZATION_ITEM_VERSION_TYPE_HPP
#define BOOST_SERIALIZATION_ITEM_VERSION_TYPE_HPP

// (C) Copyright 2010 Robert Ramey
// Use, modification and distribution is subject to the Boost Software
// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)

#include <boost/cstdint.hpp> // uint_least8_t
#include <boost/integer_traits.hpp>
#include <boost/serialization/is_bitwise_serializable.hpp>
#include <boost/serialization/level.hpp>

// fixes broken example build on x86_64-linux-gnu-gcc-4.6.0
#include <boost/assert.hpp>

namespace boost {
namespace serialization {

#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable : 4244 4267)
#endif

class item_version_type {
private:
  typedef unsigned int base_type;
  base_type t;

public:
  // should be private - but MPI fails if it's not!!!
  item_version_type() : t(0){};
  explicit item_version_type(const unsigned int t_) : t(t_) {
    BOOST_ASSERT(t_ <= boost::integer_traits<base_type>::const_max);
  }
  item_version_type(const item_version_type &t_) : t(t_.t) {}
  item_version_type &operator=(item_version_type rhs) {
    t = rhs.t;
    return *this;
  }
  // used for text output
  operator base_type() const { return t; }
  // used for text input
  operator base_type &() { return t; }
  bool operator==(const item_version_type &rhs) const { return t == rhs.t; }
  bool operator<(const item_version_type &rhs) const { return t < rhs.t; }
};

#if defined(_MSC_VER)
#pragma warning(pop)
#endif

} // namespace serialization
} // namespace boost

BOOST_IS_BITWISE_SERIALIZABLE(item_version_type)

BOOST_CLASS_IMPLEMENTATION(item_version_type, primitive_type)

#endif // BOOST_SERIALIZATION_ITEM_VERSION_TYPE_HPP
