// (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> #include <boost/archive/detail/register_archive.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>) BOOST_SERIALIZATION_USE_ARRAY_OPTIMIZATION(boost::mpi::detail::content_oarchive) #endif // BOOST_MPI_DETAIL_CONTENT_OARCHIVE_HPP