TimestampInterface.hpp

#ifndef ZAO_ENDPOINT_TIMESTAMP_INTERFACE_HPP_
#define ZAO_ENDPOINT_TIMESTAMP_INTERFACE_HPP_
 
#include <cstdint>
 
namespace zao {
namespace endpoint {
 
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 endpoint
}  // namespace zao
 
#endif  // ZAO_ENDPOINT_TIMESTAMP_INTERFACE_HPP_