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