| Geant4 Cross Reference |
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25 // 25 //
26 // G4CrossSectionFactoryRegistry class 26 // G4CrossSectionFactoryRegistry class
27 // 27 //
28 // This class implements a regsitry for cross- 28 // This class implements a regsitry for cross-section factories
29 // It can be used to access factories to insta 29 // It can be used to access factories to instantiate cross-section
30 // datasets on demand. This is intended to be 30 // datasets on demand. This is intended to be shared among threads
31 // see G4CrossSectionFactory class: while G4Cr 31 // see G4CrossSectionFactory class: while G4CrossSectionDataSetRegistry
32 // is per-thread (G4ThreadLocal), this class i 32 // is per-thread (G4ThreadLocal), this class is shared, so only one instance
33 // of each factory exists for each application 33 // of each factory exists for each application. This is needed because factories
34 // rely on global variables to register themse 34 // rely on global variables to register themselves in this registry.
35 // Note: use of this class is thread-safe. 35 // Note: use of this class is thread-safe.
36 // 36 //
37 // History: 37 // History:
38 // 1-Apr-2013: A. Dotti, first implementation 38 // 1-Apr-2013: A. Dotti, first implementation
39 #ifndef G4CROSSSECTIONFACTORYREGISTRY_HH 39 #ifndef G4CROSSSECTIONFACTORYREGISTRY_HH
40 #define G4CROSSSECTIONFACTORYREGISTRY_HH 40 #define G4CROSSSECTIONFACTORYREGISTRY_HH
41 41
42 #include <ostream> 42 #include <ostream>
43 #include <G4String.hh> 43 #include <G4String.hh>
44 #include <map> 44 #include <map>
45 45
46 class G4VBaseXSFactory; 46 class G4VBaseXSFactory;
47 47
48 class G4CrossSectionFactoryRegistry 48 class G4CrossSectionFactoryRegistry
49 { 49 {
50 friend std::ostream& operator<<(std::ostre 50 friend std::ostream& operator<<(std::ostream&, const G4CrossSectionFactoryRegistry&);
51 private: 51 private:
52 std::map<G4String, G4VBaseXSFactory*> fact 52 std::map<G4String, G4VBaseXSFactory*> factories;
53 static G4CrossSectionFactoryRegistry* inst 53 static G4CrossSectionFactoryRegistry* instance; //Note this is shared among threads
54 G4CrossSectionFactoryRegistry(); 54 G4CrossSectionFactoryRegistry();
55 G4CrossSectionFactoryRegistry(const G4Cros 55 G4CrossSectionFactoryRegistry(const G4CrossSectionFactoryRegistry& );
56 G4CrossSectionFactoryRegistry& operator=(c 56 G4CrossSectionFactoryRegistry& operator=(const G4CrossSectionFactoryRegistry&);
57 //Disable copy-ctr and assignement operato 57 //Disable copy-ctr and assignement operator
58 public: 58 public:
59 static G4CrossSectionFactoryRegistry* Inst 59 static G4CrossSectionFactoryRegistry* Instance();
60 G4VBaseXSFactory* GetFactory( const G4Stri 60 G4VBaseXSFactory* GetFactory( const G4String& name , G4bool abortIfNotFound = true) const;
61 //Search a cross-section factory by name, 61 //Search a cross-section factory by name, by default rise an exception if factory is not found
62 void Register( const G4String& name , G4VB 62 void Register( const G4String& name , G4VBaseXSFactory* factory );
63 }; 63 };
64 64
65 std::ostream& operator<<(std::ostream& msg, c 65 std::ostream& operator<<(std::ostream& msg, const G4CrossSectionFactoryRegistry& rhs);
66 66
67 #endif // G4CROSSSECTIONFACTORYREGISTRY_HH 67 #endif // G4CROSSSECTIONFACTORYREGISTRY_HH
68 68