LeechCraft  0.6.70-13729-g7046a9d2a7
Modular cross-platform feature rich live environment.
consistencychecker.h
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29 
30 #pragma once
31 
32 #include <memory>
33 #include <variant>
34 #include <QObject>
35 #include "dbconfig.h"
36 
37 template<typename>
38 class QFuture;
39 
40 template<typename>
42 
43 namespace LC
44 {
45 namespace Util
46 {
47  class UTIL_DB_API ConsistencyChecker : public QObject
48  , public std::enable_shared_from_this<ConsistencyChecker>
49  {
50  const QString DBPath_;
51  const QString DialogContext_;
52 
53  friend class FailedImpl;
54 
55  ConsistencyChecker (const QString& dbPath, const QString& dialogContext, QObject* = nullptr);
56  public:
57  static std::shared_ptr<ConsistencyChecker> Create (const QString& dbPath, const QString& dialogContext);
58 
59  struct DumpFinished
60  {
61  qint64 OldFileSize_;
62  qint64 NewFileSize_;
63  };
64  struct DumpError
65  {
66  QString Error_;
67  };
68  using DumpResult_t = std::variant<DumpFinished, DumpError>;
69 
70  struct Succeeded {};
71  struct IFailed
72  {
73  virtual QFuture<DumpResult_t> DumpReinit () = 0;
74  };
75  using Failed = std::shared_ptr<IFailed>;
76 
77  using CheckResult_t = std::variant<Succeeded, Failed>;
78 
79  QFuture<CheckResult_t> StartCheck ();
80  private:
81  CheckResult_t CheckDB ();
82 
83  QFuture<DumpResult_t> DumpReinit ();
84  void DumpReinitImpl (QFutureInterface<DumpResult_t>);
85 
86  void HandleDumperFinished (QFutureInterface<DumpResult_t>, const QString&);
87  };
88 }
89 }
std::shared_ptr< IFailed > Failed
std::variant< Succeeded, Failed > CheckResult_t
#define UTIL_DB_API
Definition: dbconfig.h:37
std::variant< DumpFinished, DumpError > DumpResult_t
Definition: constants.h:35