communication_pattern_base.h

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// ---------------------------------------------------------------------
//
// Copyright (C) 2015 - 2020 by the deal.II authors
//
// This file is part of the deal.II library.
//
// The deal.II library is free software; you can use it, redistribute
// it, and/or modify it under the terms of the GNU Lesser General
// Public License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// The full text of the license can be found in the file LICENSE.md at
// the top level directory of deal.II.
//
// ---------------------------------------------------------------------
 
#ifndef dealii_communication_pattern_base_h
#define dealii_communication_pattern_base_h
 
#include <deal.II/base/config.h>
 
#include <deal.II/base/mpi.h>
 
DEAL_II_NAMESPACE_OPEN
 
// Forward declaration
#ifndef DOXYGEN
class IndexSet;
#endif
 
namespace LinearAlgebra
{
  class CommunicationPatternBase
  {
  public:
    virtual ~CommunicationPatternBase() = default;
 
    virtual void
    reinit(const IndexSet &vector_space_vector_index_set,
           const IndexSet &read_write_vector_index_set,
           const MPI_Comm &communicator) = 0;
 
    virtual const MPI_Comm &
    get_mpi_communicator() const = 0;
  };
 
} // end of namespace LinearAlgebra
 
DEAL_II_NAMESPACE_CLOSE
 
#endif