mipSolution.h

/*
 * Copyright 2007-2024, RTE (https://www.rte-france.com)
 * See AUTHORS.txt
 * SPDX-License-Identifier: MPL-2.0
 * This file is part of Antares-Simulator,
 * Adequacy and Performance assessment for interconnected energy networks.
 *
 * Antares_Simulator is free software: you can redistribute it and/or modify
 * it under the terms of the Mozilla Public Licence 2.0 as published by
 * the Mozilla Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * Antares_Simulator 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
 * Mozilla Public Licence 2.0 for more details.
 *
 * You should have received a copy of the Mozilla Public Licence 2.0
 * along with Antares_Simulator. If not, see <https://opensource.org/license/mpl-2-0/>.
 */
 
#pragma once
 
#include <map>
#include <ortools/linear_solver/linear_solver.h>
#include <string>
#include <vector>
 
#include <antares/optimisation/linear-problem-api/mipSolution.h>
 
namespace Antares::Optimisation::LinearProblemMpsolverImpl
{
 
class OrtoolsMipSolution final: public LinearProblemApi::IMipSolution
{
public:
    OrtoolsMipSolution(operations_research::MPSolver::ResultStatus& responseStatus,
                       operations_research::MPSolver* solver);
 
    ~OrtoolsMipSolution() override = default;
 
    LinearProblemApi::MipStatus getStatus() const override;
    double getObjectiveValue() const override;
    double getOptimalValue(const LinearProblemApi::IMipVariable* var) const override;
    std::vector<double> getOptimalValues(
      const std::vector<LinearProblemApi::IMipVariable*>& vars) const override;
    const std::map<std::string, double>& getOptimalValues() const override;
 
private:
    operations_research::MPSolver::ResultStatus status_;
    operations_research::MPSolver* mpSolver_;
    std::map<std::string, double> solution_;
};
 
} // namespace Antares::Optimisation::LinearProblemMpsolverImpl