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FairDbTableProxyRegistry.h
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1 #ifndef FAIRDBTABLEPROXYREGISTRY_H
2 #define FAIRDBTABLEPROXYREGISTRY_H
3 
4 
5 #if !defined(__CINT__) || defined(__MAKECINT__)
6 #include "Rtypes.h"
7 #endif
8 #include <map>
9 #include <string>
10 #include <cstdlib>
11 
12 #include "FairDbConfigurable.h"
13 #include "FairDbSimFlagAssociation.h"
14 #include "FairDbRollbackDates.h"
15 
16 
17 class FairDbMultConnector;
18 class FairDbTableProxy;
19 class FairDbTableRow;
20 
21 class FairDbTableProxyRegistry : public FairDbConfigurable
22 {
23 
24  public:
25 
26 // State testing member functions
27  void ShowStatistics() const;
28 
29 // State changing member functions
30  static FairDbTableProxyRegistry& Instance();
31  static Bool_t IsActive() { return fgInstance ? kTRUE: kFALSE; }
32 
33  void Config();
34  void ClearRollbackDates();
35  void ClearSimFlagAssociation();
36  FairDbMultConnector& GetMultConnector() { return *fMultConnector; }
37  FairDbTableProxy& GetTableProxy(const std::string& tableName,
38  const FairDbTableRow* tableRow) ;
39  Bool_t HasRowCounter(const std::string& tableName);
40  void PurgeCaches();
41  void RefreshMetaData(const std::string& tableName);
42  void SetSqlCondition(const std::string& sql="");
43 
44  protected:
45 
46 // Constructors (protected because singleton).
47  FairDbTableProxyRegistry();
48  virtual ~FairDbTableProxyRegistry();
49 
50  private:
51 
52  void SetConfigFromEnvironment();
53 
54  public:
55 
56  struct Cleaner {
57  static int fgCount; // counts #includes
58  Cleaner() { this->Increment(); }
59  ~Cleaner() {
60  if (--fgCount==0 && FairDbTableProxyRegistry::fgInstance!=0) {
61  delete FairDbTableProxyRegistry::fgInstance;
62  FairDbTableProxyRegistry::fgInstance = 0;
63  }
64  }
65  void Increment() { ++fgCount; };
66  };
67  friend class Cleaner;
68 
69 
71  FairDbMultConnector* fMultConnector;
72 
73 
74  private:
75 
76 
77  FairDbTableProxyRegistry(const FairDbTableProxyRegistry&);
78  FairDbTableProxyRegistry& operator=(const FairDbTableProxyRegistry&);
79 
80 // State testing member functions
81  void ApplySqlCondition() const;
82  void ApplySqlCondition(FairDbTableProxy* proxy) const;
83 
84 // Data members
85 
86 
88  std::string fSqlCondition;
89 
90 #ifndef __CINT__ // Hide map from CINT; complains: missing Streamer() etc.
91 
92  std::map<std::string,FairDbTableProxy*> fTPmap;
93 #endif // __CINT__
94 
96  FairDbRollbackDates fRollbackDates;
97 
99  FairDbSimFlagAssociation fSimFlagAss;
100 
101 
103  static FairDbTableProxyRegistry* fgInstance;
104 
105  ClassDef(FairDbTableProxyRegistry,0) // Singleton register FairDbTableProxys.
106 
107 };
108 
109 #ifndef __CINT__
110 
111 static struct FairDbTableProxyRegistry::Cleaner __dbi_cleaner;
112 #endif
113 
114 #endif // FAIRDBTABLEPROXYREGISTRY_H