63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
// (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_IGNORE_OPRIMITIVE_HPP
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#define BOOST_MPI_DETAIL_IGNORE_OPRIMITIVE_HPP
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#include <boost/config.hpp>
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#include <boost/mpi/datatype.hpp>
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#include <boost/serialization/array.hpp>
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namespace boost { namespace mpi { namespace detail {
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/// @brief a minimal output archive, which ignores any save
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///
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/// This class implements a minimal output archive, probably an output archive
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/// archetype, doing nothing at any save. It's use, besides acting as an
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/// archetype is as a base class to implement special archives that ignore
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/// saving of most types
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class ignore_oprimitive
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{
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public:
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/// a trivial default constructor
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ignore_oprimitive()
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{}
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/// don't do anything when saving binary data
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void save_binary(const void *, std::size_t )
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{
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}
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/// don't do anything when saving arrays
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template<class T>
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void save_array(serialization::array<T> const&, unsigned int )
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{
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}
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typedef is_mpi_datatype<mpl::_1> use_array_optimization;
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#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
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friend class archive::save_access;
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protected:
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#else
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public:
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#endif
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/// don't do anything when saving primitive types
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template<class T>
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void save(const T & t)
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{
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}
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};
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} } } // end namespace boost::mpi::detail
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#endif // BOOST_MPI_DETAIL_IGNORE_OPRIMITIVE_HPP
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