MultiMeshForm.h

// Copyright (C) 2013-2016 Anders Logg
//
// This file is part of DOLFIN.
//
// DOLFIN is free software: you can 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 3 of the License, or
// (at your option) any later version.
//
// DOLFIN is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with DOLFIN. If not, see <http://www.gnu.org/licenses/>.
//
// First added:  2013-09-12
// Last changed: 2016-03-02

#ifndef __MULTI_MESH_FORM_H
#define __MULTI_MESH_FORM_H

#include <vector>
#include <memory>

namespace dolfin
{

  // Forward declarations
  class MultiMeshFunctionSpace;
  class MultiMeshFunction;
  class MultiMesh;
  class Form;


  class MultiMeshForm
  {
  public:

    // FIXME: Test multimesh functionals. Should likely require a multimesh
    // when instaniated and this constructor should then be removed.
    MultiMeshForm() {}

    MultiMeshForm(std::shared_ptr<const MultiMesh> multimesh);

    MultiMeshForm(std::shared_ptr<const MultiMeshFunctionSpace> function_space);

    MultiMeshForm(std::shared_ptr<const MultiMeshFunctionSpace> function_space_0,
                  std::shared_ptr<const MultiMeshFunctionSpace> function_space_1);

    ~MultiMeshForm();

    std::size_t rank() const;

    std::size_t num_parts() const;

    std::shared_ptr<const MultiMesh> multimesh() const;

    std::shared_ptr<const Form> part(std::size_t i) const;

    std::shared_ptr<const MultiMeshFunctionSpace> function_space(std::size_t i) const;

    void add(std::shared_ptr<const Form> form);

    void build();

    void clear();

    void set_multimesh_coefficient(std::size_t i,
                                   std::shared_ptr<const MultiMeshFunction> coefficient);

    std::map<std::size_t, std::shared_ptr<const MultiMeshFunction>> multimesh_coefficients() const;

    std::shared_ptr<const MultiMeshFunction> multimesh_coefficient(std::size_t i) const;

    std::vector<std::size_t> multimesh_coefficient_keys() const;

  private:

    // The rank of the form
    std::size_t _rank;

    // Multimesh
    std::shared_ptr<const MultiMesh> _multimesh;

    // Function spaces (one for each argument)
    std::vector<std::shared_ptr<const MultiMeshFunctionSpace>> _function_spaces;

    // List of forms (one for each part)
    std::vector<std::shared_ptr<const Form>> _forms;

    // Map of MultiMesh coefficents
    std::map<std::size_t, std::shared_ptr<const MultiMeshFunction>> _multimesh_coefficients;


  };

}

#endif