GenericFile.h

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//==============================================================================================
//  FILENAME    :   GenericFile.h
//  AUTHOR      :   vovechkin
//  CREATION    :   2004-09-29
//  Copyright (C) MicroStrategy Incorporated 2004
//  All Rights Reserved
//==============================================================================================
#ifndef MFileSystem_GenericFile_h
#define MFileSystem_GenericFile_h

#include "Base/Defines/BasicTypes.h"
#include "Base/Defines/StrongPtr.h"
#include "Base/Defines/ReturnPtr.h"

namespace MBase
{
    class Message;
}

namespace MFileSystem
{
    class GenericFile
    {
    public:

        typedef MBase::StrongPtr<GenericFile> Ptr;
        typedef MBase::ReturnPtr<GenericFile> ReturnPtr;

        // virtual destructor is a must
        virtual ~GenericFile() throw()
        {
        }

        virtual const char* GetPath() const = 0;

        virtual bool IsAccessibleViaPath() const = 0;

        virtual Int64 GetSize() const = 0;

        virtual Int64 GetPosition() const = 0;

        virtual void MovePosition(Int64 iOffset) = 0;

        virtual void SetPosition(Int64 iOffset) = 0;

        virtual Int64 SetPositionToEnd() = 0;
    };
}

#endif // MFileSystem_GenericFile_h