statistics.h

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#pragma once
 
#include <memory>
 
#include "contur/core/types.h"
 
namespace contur {

    class Statistics
    {
        public:
        explicit Statistics(double alpha = 0.5);
        ~Statistics();
 
        Statistics(const Statistics &) = delete;
        Statistics &operator=(const Statistics &) = delete;
        Statistics(Statistics &&) noexcept;
        Statistics &operator=(Statistics &&) noexcept;

        void recordBurst(ProcessId pid, Tick burst);

        [[nodiscard]] Tick predictedBurst(ProcessId pid) const noexcept;

        [[nodiscard]] bool hasPrediction(ProcessId pid) const noexcept;

        void clear(ProcessId pid);

        void reset();

        [[nodiscard]] double alpha() const noexcept;
 
        private:
        struct Impl;
        std::unique_ptr<Impl> impl_;
    };
 
} // namespace contur