boost/mpi/detail/content_oarchive.hpp
// (C) Copyright 2005 Matthias Troyer
// 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)
// Authors: Matthias Troyer
#ifndef BOOST_MPI_DETAIL_CONTENT_OARCHIVE_HPP
#define BOOST_MPI_DETAIL_CONTENT_OARCHIVE_HPP
#include <boost/archive/detail/auto_link_archive.hpp>
#include <boost/archive/basic_archive.hpp>
#include <boost/mpi/detail/ignore_skeleton_oarchive.hpp>
#include <boost/mpi/detail/mpi_datatype_primitive.hpp>
#include <boost/mpi/datatype.hpp>
namespace boost { namespace mpi {
namespace detail {
// an archive wrapper that stores only the data members but not the
// special types defined by the serialization library
// to define the data skeletons (classes, pointers, container sizes, ...)
class BOOST_MPI_DECL content_oarchive
: public mpi_datatype_primitive,
public ignore_skeleton_oarchive<content_oarchive>
{
public:
content_oarchive()
: committed(false)
{}
content get_content()
{
if (!committed)
{
// create the content holder only once
c=this->get_mpi_datatype();
committed=true;
}
return c;
}
private:
bool committed;
content c;
};
} // end namespace detail
template <class T>
const content get_content(const T& x)
{
detail::content_oarchive ar;
ar << x;
return ar.get_content();
}
} } // end namespace boost::mpi
// required by export
BOOST_SERIALIZATION_REGISTER_ARCHIVE(boost::mpi::detail::content_oarchive)
BOOST_SERIALIZATION_REGISTER_ARCHIVE(boost::mpi::detail::ignore_skeleton_oarchive<boost::mpi::detail::content_oarchive>)
#endif // BOOST_MPI_DETAIL_CONTENT_OARCHIVE_HPP