67 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			67 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
// (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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