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

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KeywordListRepositoryInFile.h

Go to the documentation of this file.

#ifndef Impala_Persistency_KeywordListRepositoryInFile_h
#define Impala_Persistency_KeywordListRepositoryInFile_h

#include "Persistency/RepositoryInFileSystem.h"
#include "Core/Table/KeywordList.h"
#include "Persistency/KeywordListLocator.h"

namespace Impala
{
namespace Persistency
{


class KeywordListRepositoryInFile
{
public:

    typedef Core::Table::KeywordList KeywordList;

    KeywordListRepositoryInFile()
    {
    }

    bool
    Exists(const KeywordListLocator& loc)
    {
        File file = RepFS().GetFile(loc, "Annotations", loc.GetConceptSet(),
                                    false, true);
        return file.Valid();
    }

    KeywordList*
    Get(const KeywordListLocator& loc)
    {
        File file = RepFS().GetFile(loc, "Annotations", loc.GetConceptSet(),
                                    false, false);
        if (!file.Valid())
            return 0;
        KeywordList* res = new KeywordList();
        file.ReadStrings(std::back_inserter(*res));
        return res;
    }

    void
    Add(const KeywordListLocator& loc, KeywordList* keyList)
    {
        File file = RepFS().GetFile(loc, "Annotations", loc.GetConceptSet(),
                                    true, false);
        if (!file.Valid())
            return;
        file.WriteStrings(keyList->begin(), keyList->end());
    }

    void
    Delete(const KeywordListLocator& loc)
    {
        File file = RepFS().GetFile(loc, "Annotations", loc.GetConceptSet(),
                                    true, true);
        file.Delete();
    }

private:

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

    ILOG_VAR_DEC;
};

ILOG_VAR_INIT(KeywordListRepositoryInFile, Impala.Persistency);

} // namespace Persistency
} // namespace Impala

#endif

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