include/Geant4/G4RootRNtupleManager.hh

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0025 //
0026
0027 // Manager class for Root read ntuples.
0028 // It implements functions specific to Root read ntuples.
0029 //
0030 // Author: Ivana Hrivnacova, 09/04/2014 (ivana@ipno.in2p3.fr)
0031
0032 #ifndef G4RootRNtupleManager_h
0033 #define G4RootRNtupleManager_h 1
0034
0035 #include "G4TRNtupleManager.hh"
0036 #include "globals.hh"
0037
0038 #include "tools/rroot/ntuple"
0039
0040 #include <string_view>
0041 #include <utility>
0042
0043 class G4RootRFileManager;
0044 struct G4RootRNtupleDescription;
0045
0046 class G4RootRNtupleManager : public G4TRNtupleManager<tools::rroot::ntuple>
0047 {
0048   friend class G4RootAnalysisReader;
0049
0050   public:
0051     explicit G4RootRNtupleManager(const G4AnalysisManagerState& state);
0052     G4RootRNtupleManager() = delete;
0053     ~G4RootRNtupleManager() override = default;
0054
0055   private:
0056     // Set methods
0057     void SetFileManager(std::shared_ptr<G4RootRFileManager> fileManager);
0058
0059     // Methods from the base class
0060     G4int ReadNtupleImpl(const G4String& ntupleName, const G4String& fileName,
0061       const G4String& dirName, G4bool isUserFileName) final;
0062     G4bool GetTNtupleRow(G4TRNtupleDescription<tools::rroot::ntuple>* ntupleDescription) final;
0063
0064     // Static data members
0065     static constexpr std::string_view fkClass { "G4RootPNtupleManager" };
0066
0067     // Data members
0068     std::shared_ptr<G4RootRFileManager>  fFileManager { nullptr };
0069 };
0070
0071 inline void
0072 G4RootRNtupleManager::SetFileManager(std::shared_ptr<G4RootRFileManager> fileManager)
0073 {
0074   fFileManager = std::move(fileManager);
0075 }
0076
0077 #endif
0078