IndexFile.h

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#pragma once
#include "RawFile.h"
#include <string>
 
namespace catapult { namespace io {
 
    class IndexFile {
    public:
        explicit IndexFile(const std::string& filename, LockMode lockMode = LockMode::File);
 
    public:
        bool exists() const;
 
        uint64_t get() const;
 
    public:
        void set(uint64_t value);
 
        uint64_t increment();
 
    private:
        RawFile open(OpenMode mode) const;
 
    private:
        std::string m_filename;
        LockMode m_lockMode;
    };
}}