Baloo

documenttimedb.h
1 /*
2  This file is part of the KDE Baloo project.
3  SPDX-FileCopyrightText: 2015 Vishesh Handa <[email protected]>
4 
5  SPDX-License-Identifier: LGPL-2.1-or-later
6 */
7 
8 #ifndef BALOO_DOCUMENTTIMEDB_H
9 #define BALOO_DOCUMENTTIMEDB_H
10 
11 #include "engine_export.h"
12 
13 #include <QMap>
14 #include <QDebug>
15 #include <lmdb.h>
16 
17 namespace Baloo {
18 
19 class BALOO_ENGINE_EXPORT DocumentTimeDB
20 {
21 public:
22  DocumentTimeDB(MDB_dbi dbi, MDB_txn* txn);
23  ~DocumentTimeDB();
24 
25  static MDB_dbi create(MDB_txn* txn);
26  static MDB_dbi open(MDB_txn* txn);
27 
28  struct TimeInfo
29  {
30  /** Tracking of file time stamps
31  *
32  * @sa QDateTime::toSecsSinceEpoch()
33  * @sa QFileInfo::lastModified()
34  * @sa QFileInfo::metadataChangeTime()
35  */
36  quint32 mTime; /**< file (data) modification time */
37  quint32 cTime; /**< metadata (e.g. XAttr) change time */
38  /* No birthtime yet */
39 
40  explicit TimeInfo(quint32 mt = 0, quint32 ct = 0) : mTime(mt), cTime(ct) {}
41 
42  bool operator == (const TimeInfo& rhs) const {
43  return mTime == rhs.mTime && cTime == rhs.cTime;
44  }
45  };
46  void put(quint64 docId, const TimeInfo& info);
47  TimeInfo get(quint64 docId);
48 
49  void del(quint64 docId);
50  bool contains(quint64 docId);
51 
52  QMap<quint64, TimeInfo> toTestMap() const;
53 private:
54  MDB_txn* m_txn;
55  MDB_dbi m_dbi;
56 };
57 
58 inline QDebug operator<<(QDebug dbg, const DocumentTimeDB::TimeInfo &time) {
59  dbg << "(" << time.mTime << "," << time.cTime << ")";
60  return dbg;
61 }
62 
63 }
64 
65 #endif // BALOO_DOCUMENTTIMEDB_H
KCALENDARCORE_EXPORT QDataStream & operator<<(QDataStream &out, const KCalendarCore::Alarm::Ptr &)
QAction * open(const QObject *recvr, const char *slot, QObject *parent)
QAction * create(StandardAction id, const QObject *recvr, const char *slot, QObject *parent)
Implements storage for docIds without any associated data Instantiated for:
Definition: coding.cpp:11
KGuiItem del()
virtual bool put(ScriptableExtension *callerPrincipal, quint64 objId, const QString &propName, const QVariant &value)
virtual QVariant get(ScriptableExtension *callerPrincipal, quint64 objId, const QString &propName)
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