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G4CrossSectionFactoryRegistry.cc
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25 //
26 // G4CrossSectionFactoryRegistry class
27 //
28 // History:
29 // 1-Apr-2013: A. Dotti, first implementation
31 #include "G4CrossSectionFactory.hh"
32 #include "G4AutoLock.hh"
33 #include "globals.hh"
34 
35 namespace {
36  //This is used to lock on shared resource
37  G4Mutex xsFactoryRegisterMutex = G4MUTEX_INITIALIZER;
38 }
39 
40 G4CrossSectionFactoryRegistry* G4CrossSectionFactoryRegistry::instance = 0;
42 {
43  G4AutoLock l(&xsFactoryRegisterMutex);
44  if ( !instance ) instance = new G4CrossSectionFactoryRegistry();
45  return instance;
46 }
47 
48 G4CrossSectionFactoryRegistry::G4CrossSectionFactoryRegistry()
49 {
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 assignement operator not allowed");
61  return *this;
62 }
63 
65 {
66  G4AutoLock l(&xsFactoryRegisterMutex);
67  if ( factories.find(name) != factories.end() )
68  {
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 
79 {
80  G4AutoLock l(&xsFactoryRegisterMutex);
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  {
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 }
const XML_Char * name
Definition: expat.h:151
std::ostringstream G4ExceptionDescription
Definition: globals.hh:76
if(nIso!=0)
#define G4MUTEX_INITIALIZER
Definition: G4Threading.hh:175
void Register(const G4String &name, G4VBaseXSFactory *factory)
G4VBaseXSFactory * GetFactory(const G4String &name, G4bool abortIfNotFound=true) const
bool G4bool
Definition: G4Types.hh:79
void G4Exception(const char *originOfException, const char *exceptionCode, G4ExceptionSeverity severity, const char *comments)
Definition: G4Exception.cc:41
G4int G4Mutex
Definition: G4Threading.hh:173
std::ostream & operator<<(std::ostream &, const BasicVector3D< float > &)
static G4CrossSectionFactoryRegistry * Instance()