TimeProvider.h

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#pragma once
 
#include "Common.h"
#include "System/Object.h"
#include "System/DateTimeOffset.h"
#include "System/TimeSpan.h"
#include "System/SmartPointer.h"
 
namespace DotNetDupe {
    namespace System {
 
        class TimeProvider;

        using TimeProviderPtr = SmartPointer<TimeProvider>;

        class TimeProvider : public Object {
        public:
            virtual ~TimeProvider() = default;

            DOTNETDUPE_API virtual DateTimeOffset GetUtcNow() const = 0;

            DOTNETDUPE_API virtual DateTimeOffset GetLocalNow() const = 0;

            DOTNETDUPE_API virtual int64_t GetTimestamp() const = 0;

            DOTNETDUPE_API virtual int64_t GetTimestampFrequency() const = 0;

            DOTNETDUPE_API TimeSpan GetElapsedTime(int64_t startingTimestamp) const;

            DOTNETDUPE_API TimeSpan GetElapsedTime(int64_t startingTimestamp, int64_t endingTimestamp) const;

            DOTNETDUPE_API static TimeProviderPtr GetSystem();
        };
 
    }
}