| Geant4 Cross Reference |
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25 //
26 // G4CrossSectionFactoryRegistry class
27 //
28 // History:
29 // 1-Apr-2013: A. Dotti, first implementation
30 #include "G4CrossSectionFactoryRegistry.hh"
31 #include "G4CrossSectionFactory.hh"
32 #include "G4AutoLock.hh"
33 #include "globals.hh"
34
35 //This is used to lock on shared resource
36 // G4TypeMutex<G4CrossSectionFactoryRegistry>()
37
38 G4CrossSectionFactoryRegistry* G4CrossSectionFactoryRegistry::instance = 0;
39 G4CrossSectionFactoryRegistry* G4CrossSectionFactoryRegistry::Instance()
40 {
41 G4AutoLock l(G4TypeMutex<G4CrossSectionFactoryRegistry>());
42 if (!instance)
43 new G4CrossSectionFactoryRegistry();
44 return instance;
45 }
46
47 G4CrossSectionFactoryRegistry::G4CrossSectionFactoryRegistry()
48 {
49 instance = this;
50 }
51
52 G4CrossSectionFactoryRegistry::G4CrossSectionFactoryRegistry(const G4CrossSectionFactoryRegistry&)
53 {
54 G4Exception("G4CrossSectionFactoryRegistry::G4CrossSectionFactoryRegistry",
55 "CrossSection004",FatalException,"Use of copy constructor not allowed");
56 }
57 G4CrossSectionFactoryRegistry& G4CrossSectionFactoryRegistry::operator=(const G4CrossSectionFactoryRegistry&)
58 {
59 G4Exception("G4CrossSectionFactoryRegistry::G4CrossSectionFactoryRegistry",
60 "CrossSection004",FatalException,"Use of assignment operator not allowed");
61 return *this;
62 }
63
64 void G4CrossSectionFactoryRegistry::Register( const G4String& name, G4VBaseXSFactory* factory )
65 {
66 G4AutoLock l(G4TypeMutex<G4CrossSectionFactoryRegistry>());
67 if ( factories.find(name) != factories.end() )
68 {
69 G4ExceptionDescription msg;
70 msg <<"Cross section factory with name: "<<name
71 <<" already existing, old factory has been replaced";
72 G4Exception("G4CrossSectionFactoryRegistry::Register(...)",
73 "CrossSection002",JustWarning,msg);
74 }
75 factories[name] = factory;
76 }
77
78 G4VBaseXSFactory* G4CrossSectionFactoryRegistry::GetFactory( const G4String& name, G4bool abortIfNotFound ) const
79 {
80 G4AutoLock l(G4TypeMutex<G4CrossSectionFactoryRegistry>());
81 std::map<G4String,G4VBaseXSFactory*>::const_iterator it = factories.find(name);
82 if ( it != factories.end() ) return it->second;
83 else
84 {
85 if ( abortIfNotFound )
86 {
87 G4ExceptionDescription msg;
88 msg <<"Cross section factory with name: "<<name
89 <<" not found.";
90 G4Exception("G4CrossSectionFactoryRegistry::Register(...)",
91 "CrossSection003",FatalException,msg);
92 }
93 }
94 return static_cast<G4VBaseXSFactory*>(0);
95 }
96
97
98 std::ostream& operator<<(std::ostream& msg, const G4CrossSectionFactoryRegistry& rhs) {
99 msg<<"Factory Registry "<<&rhs<<" has factories: [";
100 for ( std::map<G4String,G4VBaseXSFactory*>::const_iterator it =rhs.factories.begin() ;
101 it != rhs.factories.end() ; ++it )
102 {
103 msg<<(*it).first<<":"<<(*it).second<<",";
104 }
105 msg<<"]";
106 return msg;
107 }
108