// (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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#include <boost/serialization/array.hpp>
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#ifndef BOOST_MPI_DETAIL_FORWARD_IPRIMITIVE_HPP
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#define BOOST_MPI_DETAIL_FORWARD_IPRIMITIVE_HPP
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namespace boost { namespace mpi { namespace detail {
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/// @brief a minimal input archive, which forwards reading to another archive
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///
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/// This class template is designed to use the loading facilities of another
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/// input archive (the "implementation archive", whose type is specified by
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/// the template argument, to handle serialization of primitive types,
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/// while serialization for specific types can be overriden independently
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/// of that archive.
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template <class ImplementationArchive>
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class forward_iprimitive
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{
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public:
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/// the type of the archive to which the loading of primitive types will be forwarded
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typedef ImplementationArchive implementation_archive_type;
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/// the constructor takes a reference to the implementation archive used for loading primitve types
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forward_iprimitive(implementation_archive_type& ar)
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: implementation_archive(ar)
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{}
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/// binary loading is forwarded to the implementation archive
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void load_binary(void * address, std::size_t count )
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{
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implementation_archive.load_binary(address,count);
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}
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/// loading of arrays is forwarded to the implementation archive
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template<class T>
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void load_array(serialization::array_wrapper<T> & x, unsigned int file_version )
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{
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implementation_archive.load_array(x,file_version);
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}
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typedef typename ImplementationArchive::use_array_optimization use_array_optimization;
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#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
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friend class archive::load_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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/// loading of primitives is forwarded to the implementation archive
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template<class T>
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void load(T & t)
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{
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implementation_archive >> t;
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}
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private:
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implementation_archive_type& implementation_archive;
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};
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} } } // end namespace boost::mpi::detail
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#endif // BOOST_MPI_DETAIL_FORWARD_IPRIMITIVE_HPP
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