1 // (C) Copyright 2005 Matthias Troyer 2 3 // Use, modification and distribution is subject to the Boost Software 4 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at 5 // http://www.boost.org/LICENSE_1_0.txt) 6 7 // Authors: Matthias Troyer 8 9 #ifndef BOOST_MPI_DETAIL_CONTENT_OARCHIVE_HPP 10 #define BOOST_MPI_DETAIL_CONTENT_OARCHIVE_HPP 11 12 #include <boost/archive/detail/auto_link_archive.hpp> 13 #include <boost/archive/basic_archive.hpp> 14 #include <boost/mpi/detail/ignore_skeleton_oarchive.hpp> 15 #include <boost/mpi/detail/mpi_datatype_primitive.hpp> 16 #include <boost/mpi/datatype.hpp> 17 #include <boost/archive/detail/register_archive.hpp> 18 19 namespace boost { namespace mpi { 20 21 namespace detail { 22 // an archive wrapper that stores only the data members but not the 23 // special types defined by the serialization library 24 // to define the data skeletons (classes, pointers, container sizes, ...) 25 26 class BOOST_MPI_DECL content_oarchive 27 : public mpi_datatype_primitive, 28 public ignore_skeleton_oarchive<content_oarchive> 29 { 30 public: content_oarchive()31 content_oarchive() 32 : committed(false) 33 {} 34 get_content()35 content get_content() 36 { 37 if (!committed) 38 { 39 // create the content holder only once 40 c=this->get_mpi_datatype(); 41 committed=true; 42 } 43 return c; 44 } 45 46 private: 47 bool committed; 48 content c; 49 }; 50 } // end namespace detail 51 52 template <class T> get_content(const T & x)53const content get_content(const T& x) 54 { 55 detail::content_oarchive ar; 56 ar << x; 57 return ar.get_content(); 58 } 59 60 } } // end namespace boost::mpi 61 62 // required by export 63 BOOST_SERIALIZATION_REGISTER_ARCHIVE(boost::mpi::detail::content_oarchive) 64 BOOST_SERIALIZATION_REGISTER_ARCHIVE(boost::mpi::detail::ignore_skeleton_oarchive<boost::mpi::detail::content_oarchive>) 65 BOOST_SERIALIZATION_USE_ARRAY_OPTIMIZATION(boost::mpi::detail::content_oarchive) 66 #endif // BOOST_MPI_DETAIL_CONTENT_OARCHIVE_HPP 67