LeechCraft  0.6.70-13729-g7046a9d2a7
Modular cross-platform feature rich live environment.
dblock.h
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29 
30 #pragma once
31 
32 #include <QMutex>
33 #include <QString>
34 #include <QSet>
35 #include "dbconfig.h"
36 
37 class QSqlError;
38 class QSqlQuery;
39 class QSqlDatabase;
40 
41 namespace LC
42 {
43  namespace Util
44  {
62  class DBLock
63  {
64  QSqlDatabase& Database_;
65 
66  bool Good_ = false;
67  bool Initialized_ = false;
68 
69  static QMutex LockedMutex_;
70  static QSet<QString> LockedBases_;
71  public:
72  DBLock (const DBLock&) = delete;
73  DBLock& operator= (const DBLock&) = delete;
74 
75  DBLock (DBLock&&) = default;
76 
86  UTIL_DB_API DBLock (QSqlDatabase& database);
87 
94 
102  UTIL_DB_API void Init ();
103 
110  UTIL_DB_API void Good ();
111 
116  UTIL_DB_API static void DumpError (const QSqlError& error);
117 
122  UTIL_DB_API static void DumpError (const QSqlQuery& query);
123 
132  UTIL_DB_API static void Execute (QSqlQuery& query);
133  };
134  };
135 };
UTIL_DB_API void Init()
Initializes the transaction.
Definition: dblock.cpp:61
#define UTIL_DB_API
Definition: dbconfig.h:37
Provides database transaction lock.
Definition: dblock.h:62
static UTIL_DB_API void DumpError(const QSqlError &error)
Dumps the error to the qWarning() stream.
Definition: dblock.cpp:84
static UTIL_DB_API void Execute(QSqlQuery &query)
Tries to execute the given query.
Definition: dblock.cpp:97
DBLock & operator=(const DBLock &)=delete
UTIL_DB_API ~DBLock()
Destructor.
Definition: dblock.cpp:47
UTIL_DB_API void Good()
Notifies the lock about successful higher-level operations.
Definition: dblock.cpp:79
DBLock(const DBLock &)=delete
Definition: constants.h:35