|| || || || || ||

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FrameHashesRepositoryInFile.h

Go to the documentation of this file.

#ifndef Impala_Persistency_FrameHashesRepositoryInFile_h
#define Impala_Persistency_FrameHashesRepositoryInFile_h

#include "Core/Array/Arrays.h"
#include "Core/Array/ReadFile.h"
#include "Core/Array/WriteFile.h"

#include "Persistency/RepositoryInFileSystem.h"
#include "Persistency/FrameHashesLocator.h"

#include "Core/VideoSet/FrameHashes.h"


namespace Impala
{
namespace Persistency
{

class FrameHashesRepositoryInFile
{

    typedef Core::VideoSet::FrameHashes FrameHashes;

public:

    FrameHashesRepositoryInFile()
    {
    }

    FrameHashes*
    Get(const FrameHashesLocator& loc)
    {
        String dir = GetDir(loc);
        File file = RepFS().GetFile(loc, dir, "hashes.tab", false, false);
        if (!file.Valid())
            return 0;
        FrameHashes* frameHashes = new FrameHashes(100);
        Core::Table::Read(frameHashes, file);
        return frameHashes;
    }

    void
    Add(const FrameHashesLocator& loc, FrameHashes* frameHashes)
    {
        String dir = GetDir(loc);
        File file = RepFS().GetFile(loc, dir, "hashes.tab", true, false);
        Util::IOBuffer* buffer = file.GetWriteBuffer();
        const bool binary = true;
        Core::Table::Write(frameHashes, buffer, binary);
        delete buffer;
    }

private:

    RepositoryInFileSystem&
    RepFS()
    {
        return RepositoryInFileSystem::GetInstance();
    }

    String
    GetDir(const FrameHashesLocator& loc)
    {
        String dir = "Frames";
        dir = FileNameConcat(dir, loc.GetContainer());
        return dir;
    }

    ILOG_VAR_DECL;
};

ILOG_VAR_INIT(FrameHashesRepositoryInFile, Impala.Persistency);

} // namespace Persistency
} // namespace Impala

#endif

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