idtreedb.h

/*
    This file is part of the KDE Baloo project.
    SPDX-FileCopyrightText: 2015 Vishesh Handa <vhanda@kde.org>
 
    SPDX-License-Identifier: LGPL-2.1-or-later
*/
 
#ifndef BALOO_IDTREEDB_H
#define BALOO_IDTREEDB_H
 
#include "engine_export.h"
#include <lmdb.h>
#include <QVector>
#include <QMap>
 
namespace Baloo {
 
class PostingIterator;
 
class BALOO_ENGINE_EXPORT IdTreeDB
{
public:
    IdTreeDB(MDB_dbi dbi, MDB_txn* txn);
 
    static MDB_dbi create(MDB_txn* txn);
    static MDB_dbi open(MDB_txn* txn);
 
    void set(quint64 docId, const QVector<quint64> &subDocIds);
    QVector<quint64> get(quint64 docId);
 
    /**
     * Returns an iterator which will return all the docIds which use \p docId
     * are the parent docID.
     */
    PostingIterator* iter(quint64 docId);
 
    QMap<quint64, QVector<quint64>> toTestMap() const;
private:
    MDB_txn* m_txn;
    MDB_dbi m_dbi;
};
}
 
#endif // BALOO_IDTREEDB_H