timestamp.hpp

 
//
// 版权所有 2024 Realm Inc.
//
// 根据 Apache 许可证 2.0 版（“许可证”）获得许可；
// 除非符合合规，否则不得使用此文件。
// 您可以在以下网址获取许可证副本：
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// 除非适用法律要求或书面同意，否则软件
// 根据许可证分发是按“原样”分发的，
// 不提供任何类型的Express或暗示的保证或条件。
// 请参阅管理权限的特定语言的许可证和
// 许可证下的限制。
//
 
#ifndef CPPREALM_BRIDGE_TIMESTAMP_HPP
#define CPPREALM_BRIDGE_TIMESTAMP_HPP
 
#include <chrono>
#include <cpprealm/internal/bridge/utils.hpp>
 
命名空间域 {
    class Timestamp;
 }
 
命名空间realm::internal::bridge {
    struct 时间戳{
        timestamp () = 默认 ;
        timestamp ( const timestamp & other) = 默认 ;
        timestamp & Operator=( const timestamp & other) = default ;
        timestamp ( timestamp && other) = default ;
        timestamp & 操作符=( timestamp && other) = 默认 ;
        ~timestamp () = 默认 ;
        timestamp ( const Timestamp&); //NOLINT(google-explicit-constructor)
        操作符 Timestamp() const ; //NOLINT(google-explicit-constructor)
        操作符 std::chrono::time_point<std::chrono::system_clock>() const ; //NOLINT(google-explicit-constructor)
        timestamp (int 64 _t 秒, int 32 _t 纳秒);
        timestamp ( const std::chrono::time_point<std::chrono::system_clock>& tp); //NOLINT(google-explicit-constructor)
 [[nodiscard]] int 64 _t get_seconds() const noException ;
 [[nodiscard]] int 32 _t get_nanoseconds() const noException ;
 [[nodiscard]] std::chrono::time_point<std::chrono::system_clock, std::chrono::system_clock::duration>
 get_time_point() const {
 int 64 _t Native_nano = get_seconds() *anoseconds_per_second + get_nanoseconds();
            auto duration = std::chrono::duration_cast<std::chrono::system_clock::duration>(std::chrono::duration<int64_t, std::nano>{native_nano});
            return std::chrono::time_point<std::chrono::system_clock,
 std::chrono::system_clock::duration>(duration);
 }
    private :
        静态 constexpr int 32 _t Nanoseconds_per_second = 1000000000 ;
 int 64 _t m_seconds = 0 ;
 int 32 _t m_nanoseconds = 0 ;
        朋友 bool 操作符 ==( const timestamp &, const timestamp &);
        朋友 bool 操作符 !=( const timestamp &, const timestamp &);
        朋友 bool Operator >( const timestamp &, const timestamp &);
        朋友 bool 操作符 <( const timestamp &, const timestamp &);
        朋友 bool 操作符 >=( const timestamp &, const timestamp &);
        朋友 bool 操作符 <=( const timestamp &, const timestamp &);
 }；
 
    bool 操作符 ==( const timestamp &, const timestamp &);
    bool 操作符 !=( const timestamp &, const timestamp &);
    bool Operator >( const timestamp &, const timestamp &);
    bool 操作符 <( const timestamp &, const timestamp &);
    bool 操作符 >=( const timestamp &, const timestamp &);
    bool 操作符 <=( const timestamp &, const timestamp &);
 }
 
#endif //CPREALM_BRIDGE_TIMESTAMP_HPP