Chris@16: // (C) Copyright 2005 Matthias Troyer
Chris@16: 
Chris@16: // Use, modification and distribution is subject to the Boost Software
Chris@16: // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  Authors: Matthias Troyer
Chris@16: 
Chris@16: #ifndef BOOST_MPI_DETAIL_CONTENT_OARCHIVE_HPP
Chris@16: #define BOOST_MPI_DETAIL_CONTENT_OARCHIVE_HPP
Chris@16: 
Chris@16: #include <boost/archive/detail/auto_link_archive.hpp>
Chris@16: #include <boost/archive/basic_archive.hpp>
Chris@16: #include <boost/mpi/detail/ignore_skeleton_oarchive.hpp>
Chris@16: #include <boost/mpi/detail/mpi_datatype_primitive.hpp>
Chris@16: #include <boost/mpi/datatype.hpp>
Chris@16: #include <boost/archive/detail/register_archive.hpp>
Chris@16: 
Chris@16: namespace boost { namespace mpi {
Chris@16: 
Chris@16: namespace detail {
Chris@16:   // an archive wrapper that stores only the data members but not the
Chris@16:   // special types defined by the serialization library
Chris@16:   // to define the data skeletons (classes, pointers, container sizes, ...)
Chris@16: 
Chris@16:   class BOOST_MPI_DECL content_oarchive
Chris@16:     : public mpi_datatype_primitive,
Chris@16:       public ignore_skeleton_oarchive<content_oarchive>
Chris@16:   {
Chris@16:   public:
Chris@16:       content_oarchive()
Chris@16:        : committed(false)
Chris@16:           {}
Chris@16: 
Chris@16:       content get_content()
Chris@16:       {
Chris@16:         if (!committed)
Chris@16:         {
Chris@16:           // create the content holder only once
Chris@16:           c=this->get_mpi_datatype();
Chris@16:           committed=true;
Chris@16:         }
Chris@16:         return c;
Chris@16:       }
Chris@16: 
Chris@16:   private:
Chris@16:     bool committed;
Chris@16:     content c;
Chris@16:   };
Chris@16: } // end namespace detail
Chris@16: 
Chris@16: template <class T>
Chris@16: const content get_content(const T& x)
Chris@16: {
Chris@16:   detail::content_oarchive ar;
Chris@16:   ar << x;
Chris@16:   return ar.get_content();
Chris@16: }
Chris@16: 
Chris@16: } } // end namespace boost::mpi
Chris@16: 
Chris@16: // required by export
Chris@16: BOOST_SERIALIZATION_REGISTER_ARCHIVE(boost::mpi::detail::content_oarchive)
Chris@16: BOOST_SERIALIZATION_REGISTER_ARCHIVE(boost::mpi::detail::ignore_skeleton_oarchive<boost::mpi::detail::content_oarchive>)
Chris@16: BOOST_SERIALIZATION_USE_ARRAY_OPTIMIZATION(boost::mpi::detail::content_oarchive)
Chris@16: #endif // BOOST_MPI_DETAIL_CONTENT_OARCHIVE_HPP