optimal_replacement.h

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#pragma once
 
#include <memory>
#include <vector>
 
#include "contur/memory/i_page_replacement.h"
 
namespace contur {

    class OptimalReplacement final : public IPageReplacementPolicy
    {
        public:
        explicit OptimalReplacement(std::vector<FrameId> futureAccesses);

        ~OptimalReplacement() override;

        OptimalReplacement(const OptimalReplacement &) = delete;

        OptimalReplacement &operator=(const OptimalReplacement &) = delete;
        OptimalReplacement(OptimalReplacement &&) noexcept;

        OptimalReplacement &operator=(OptimalReplacement &&) noexcept;

        [[nodiscard]] std::string_view name() const noexcept override;

        [[nodiscard]] FrameId selectVictim(const PageTable &pageTable) override;

        void onAccess(FrameId frame) override;

        void onLoad(FrameId frame) override;

        void reset() override;
 
        private:
        struct Impl;
        std::unique_ptr<Impl> impl_;
    };
 
} // namespace contur