Benders.h

//
// Created by henri on 08.05.25.
//
 
#ifndef IDOL_ROBUST_BENDERS_H
#define IDOL_ROBUST_BENDERS_H
 
#include "idol/general/optimizers/OptimizerFactory.h"
#include "idol/bilevel/modeling/Description.h"
#include "idol/robust/modeling/Description.h"
 
namespace idol::Robust {
    class Benders;
}
 
class idol::Robust::Benders : public idol::OptimizerFactoryWithDefaultParameters<Benders> {
    const Bilevel::Description& m_bilevel_description;
    const Robust::Description& m_robust_description;
 
    // Initial scenarios
    std::vector<Point<Var>> m_initial_scenarios;
 
    // Separation
    std::list<std::unique_ptr<OptimizerFactory>> m_optimizer_feasibility_separation;
    std::list<std::unique_ptr<OptimizerFactory>> m_optimizer_optimality_separation;
    std::list<std::unique_ptr<OptimizerFactory>> m_optimizer_joint_separation;
public:
    Benders(const Robust::Description& t_robust_description,
            const Bilevel::Description& t_bilevel_description);
 
    Benders(const Benders& t_src);
 
    Optimizer *operator()(const Model &t_model) const override;
 
    [[nodiscard]] OptimizerFactory *clone() const override;
 
    Benders& reserve_initial_scenarios(unsigned int t_n);
 
    Benders& add_initial_scenario(Point<Var> t_scenario);
 
    Benders& add_feasibility_separation_optimizer(const OptimizerFactory& t_optimizer);
 
    Benders& add_optimality_separation_optimizer(const OptimizerFactory& t_optimizer);
 
    Benders& add_joint_separation_optimizer(const OptimizerFactory& t_optimizer);
};
 
#endif //IDOL_ROBUST_BENDERS_H