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LabelSetRepositoryInFile.h

Go to the documentation of this file.

#ifndef Impala_Persistency_LabelSetRepositoryInFile_h
#define Impala_Persistency_LabelSetRepositoryInFile_h

#include "Persistency/RepositoryInFileSystem.h"
#include "Core/Feature/LabelSet.h"
#include "Persistency/FeatureLocator.h"

namespace Impala
{
namespace Persistency
{


class LabelSetRepositoryInFile
{
public:

    typedef Core::Feature::LabelSet LabelSet;

    LabelSetRepositoryInFile()
    {
    }

    LabelSet*
    Get(const FeatureLocator& loc)
    {
        String dir = GetDir(loc);
        File file = RepFS().GetFile(loc, dir, loc.GetFeatureString(),
                                    false, false);
        if (!file.Valid())
            return 0;
        Util::IOBuffer* buf = file.GetReadBuffer();
        LabelSet* res = new LabelSet();
        res->Read(buf);
        delete buf;
        return res;
    }

    void
    Add(const FeatureLocator& loc, LabelSet* labelSet)
    {
        String dir = GetDir(loc);
        File file = RepFS().GetFile(loc, dir, loc.GetFeatureString(),
                                    true, false);
        if (!file.Valid())
            return;
        Util::IOBuffer* buf = file.GetWriteBuffer();
        labelSet->Write(buf);
        delete buf;
    }

private:

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

    String
    GetDir(const FeatureLocator& loc)
    {
        String dir = loc.GetTopString();
        dir = FileNameConcat(dir, loc.GetWalkType());
        if (!loc.GetIsCodebook())
            dir = FileNameConcat(dir, loc.GetFeatureName());
        dir = FileNameConcat(dir, loc.GetContainer());
        return dir;
    }

    ILOG_VAR_DEC;
};

ILOG_VAR_INIT(LabelSetRepositoryInFile, Impala.Persistency);

} // namespace Persistency
} // namespace Impala

#endif

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