EKPoissonSolverNode.hpp

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/*
 * Copyright (C) 2025 The ESPResSo project
 *
 * This file is part of ESPResSo.
 *
 * ESPResSo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * ESPResSo 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include <config/config.hpp>
 
#ifdef ESPRESSO_WALBERLA
 
#include "EKPoissonSolver.hpp"
#include "LatticeIndices.hpp"
 
#include <script_interface/ScriptInterface.hpp>
#include <script_interface/auto_parameters/AutoParameters.hpp>
 
#include <walberla_bridge/electrokinetics/EKinWalberlaBase.hpp>
 
#include <utils/Vector.hpp>
 
#include <cassert>
#include <memory>
#include <string>
 
namespace ScriptInterface::walberla {
 
class EKPoissonSolverNode
    : public AutoParameters<EKPoissonSolverNode, LatticeIndices> {
  std::shared_ptr<::walberla::PoissonSolver> m_ek_poisson_solver;
  Utils::Vector3i m_index;
  Utils::Vector3i m_grid_size;
 
public:
  EKPoissonSolverNode() {
    add_parameters(
        {{"_index", AutoParameter::read_only, [this]() { return m_index; }}});
  }
 
  void do_construct(VariantMap const &params) override {
    auto const ek_sip =
        get_value<std::shared_ptr<EKPoissonSolver>>(params, "parent_sip");
    m_ek_poisson_solver = ek_sip->get_instance();
    assert(m_ek_poisson_solver);
    m_grid_size = m_ek_poisson_solver->get_lattice().get_grid_dimensions();
    m_index = get_mapped_index(get_value<Utils::Vector3i>(params, "index"),
                               m_grid_size);
  }
 
  Variant do_call_method(std::string const &name,
                         VariantMap const &params) override;
};
} // namespace ScriptInterface::walberla
 
#endif // ESPRESSO_WALBERLA