TimestampInterface.hpp

#ifndef ZEP_TIMESTAMP_INTERFACE_HPP_
#define ZEP_TIMESTAMP_INTERFACE_HPP_

#include <cstdint>

namespace zep {

class TimestampInterface {
 public:
  using Rep = std::uint64_t;

  using ClockRep = std::uint64_t;

  virtual void GetRatio(std::intmax_t& numerator,
                        std::intmax_t& denominator) const noexcept = 0;

  virtual void SetCurrentTimestamp(Rep timestamp) noexcept = 0;

  virtual bool GetCurrentTimestamp(Rep& timestamp) const noexcept = 0;

  virtual bool ConvertToClock(Rep timestamp,
                              ClockRep& clock) const noexcept = 0;

  virtual bool ConvertFromClock(ClockRep clock,
                                Rep& timestamp) const noexcept = 0;

  virtual ~TimestampInterface() noexcept = default;
};

}  // namespace zep

#endif  // ZEP_TIMESTAMP_INTERFACE_HPP_