Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/electromagnetic/utils/include/G4EmDataRegistry.hh

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  1 //
  2 // ********************************************************************
  3 // * License and Disclaimer                                           *
  4 // *                                                                  *
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  6 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
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  9 // * include a list of copyright holders.                             *
 10 // *                                                                  *
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 13 // * work  make  any representation or  warranty, express or implied, *
 14 // * regarding  this  software system or assume any liability for its *
 15 // * use.  Please see the license in the file  LICENSE  and URL above *
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 17 // *                                                                  *
 18 // * This  code  implementation is the result of  the  scientific and *
 19 // * technical work of the GEANT4 collaboration.                      *
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 25 //
 26 // 18 April 2024   V.Ivanchenko
 27 //
 28 // This is a singleton class to store shared EM physics data.
 29 // The access to data is possible only by data name.
 30 // Once created data pointers does not changed or deleted until the
 31 // end of the job, this class is responsible for destruction.
 32 //
 33 
 34 #ifndef G4EmDataRegistry_h
 35 #define G4EmDataRegistry_h 1
 36 
 37 #include <vector>
 38 #include "G4EmDataHandler.hh"
 39 
 40 class G4EmDataRegistry
 41 {
 42  public:
 43 
 44   static G4EmDataRegistry* Instance();
 45 
 46   ~G4EmDataRegistry();
 47 
 48   // create or access data handler
 49   // nTable - number of tables in a new handler
 50   G4EmDataHandler* GetHandlerByName(const G4String&, std::size_t nTable);
 51 
 52   // register a new handler
 53   void Register(G4EmDataHandler*);
 54 
 55   // hide assignment operator 
 56   G4EmDataRegistry& operator=(const G4EmDataRegistry &right) = delete;
 57   G4EmDataRegistry(const G4EmDataRegistry&) = delete;
 58 
 59  private:
 60 
 61   G4EmDataRegistry();
 62 
 63   G4EmDataHandler* EmDataHandler(const G4String&);
 64 
 65   static G4EmDataRegistry* instance;
 66 
 67   std::vector<G4EmDataHandler*> fDataHandlers;
 68 };
 69 
 70 #endif
 71