SensitivityProblemModifier.h

#pragma once
 
#include "antares-xpansion/benders/benders_core/common.h"
#include "antares-xpansion/multisolver_interface/SolverAbstract.h"
 
class SensitivityProblemModifier
{
public:
    SensitivityProblemModifier() = delete;
    explicit SensitivityProblemModifier(double epsilon,
                                        double best_ub,
                                        std::shared_ptr<const SolverAbstract> last_master);
    ~SensitivityProblemModifier() = default;
 
    std::shared_ptr<SolverAbstract> changeProblem(unsigned int nb_candidates) const;
 
private:
    const double _epsilon;
    const double _best_ub;
    const std::shared_ptr<const SolverAbstract> last_master;
 
    virtual std::vector<double>
    get_cost_vector(const SolverAbstract& solver_model, unsigned int nb_candidates) const = 0;
    void add_near_optimal_cost_constraint(SolverAbstract& solver_model) const;
};