File indexing completed on 2024-04-21 03:51:39

0001 /*
0002     This file is part of the KDE Baloo project.
0003     SPDX-FileCopyrightText: 2015 Vishesh Handa <vhanda@kde.org>
0004 
0005     SPDX-License-Identifier: LGPL-2.1-or-later
0006 */
0007 
0008 #ifndef BALOO_DOCUMENTDB_H
0009 #define BALOO_DOCUMENTDB_H
0010 
0011 #include "engine_export.h"
0012 #include <lmdb.h>
0013 #include <QVector>
0014 #include <QMap>
0015 
0016 namespace Baloo {
0017 
0018 /**
0019  * Implements storage for a set of <term>s for the given docId
0020  * Instantiated for:
0021  * - document (content) terms
0022  * - filename terms
0023  * - xattr terms
0024  */
0025 class BALOO_ENGINE_EXPORT DocumentDB
0026 {
0027 public:
0028     DocumentDB(MDB_dbi dbi, MDB_txn* txn);
0029     ~DocumentDB();
0030 
0031     static MDB_dbi create(const char* name, MDB_txn* txn);
0032     static MDB_dbi open(const char* name, MDB_txn* txn);
0033 
0034     void put(quint64 docId, const QVector< QByteArray >& list);
0035     QVector<QByteArray> get(quint64 docId);
0036 
0037     bool contains(quint64 docId);
0038     void del(quint64 docId);
0039     uint size();
0040 
0041     QMap<quint64, QVector<QByteArray>> toTestMap() const;
0042 private:
0043     MDB_txn* m_txn;
0044     MDB_dbi m_dbi;
0045 };
0046 }
0047 
0048 #endif // BALOO_DOCUMENTDB_H