| Geant4 Cross Reference |
1 //
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25 //
26 // Class G4VScoreHistFiller
27 //
28 // Class description:
29 // Abstract base class that defines functions to fill histogram and
30 // profile plot. This class avoids the direct dependency to G4Analysis
31 // category. Template class G4TScoreHistFiller should be used by the
32 // user to specify the type of the file format.
33 //
34 // Created: M. Asai (Sept. 2020)
35 //
36 //
37
38 #include "G4VScoreHistFiller.hh"
39
40 G4VScoreHistFiller* G4VScoreHistFiller::fgMasterInstance = nullptr;
41 G4ThreadLocal G4VScoreHistFiller* G4VScoreHistFiller::fgInstance = nullptr;
42
43 G4VScoreHistFiller* G4VScoreHistFiller::Instance()
44 {
45 // This function invokes creating the objects on workes,
46 // The master instance should be created by the user
47 // via the concrete class constructor
48
49 G4bool isMaster = ! G4Threading::IsWorkerThread();
50
51 if ((! isMaster) && (fgInstance == nullptr)) {
52 if (fgMasterInstance != nullptr) {
53 fgInstance = fgMasterInstance->CreateInstance();
54 }
55 }
56
57 return fgInstance;
58 }
59
60 G4VScoreHistFiller::G4VScoreHistFiller()
61 {
62 G4bool isMaster = ! G4Threading::IsWorkerThread();
63
64 if (isMaster && (fgMasterInstance != nullptr)) {
65 G4ExceptionDescription description;
66 description << " "
67 << "G4VScoreHistFiller on master already exists."
68 << "Cannot create another instance.";
69 G4Exception(
70 "G4VScoreHistFiller::G4VScoreHistFiller()", "Analysis_F001", FatalException, description);
71 }
72 if (fgInstance != nullptr) {
73 G4ExceptionDescription description;
74 description << " "
75 << "G4VScoreHistFiller on worker already exists."
76 << "Cannot create another instance.";
77 G4Exception(
78 "G4VScoreHistFiller::G4VScoreHistFiller()", "Analysis_F001", FatalException, description);
79 }
80 if (isMaster) fgMasterInstance = this;
81 fgInstance = this;
82 }
83
84 G4VScoreHistFiller::~G4VScoreHistFiller() { fgInstance = nullptr; }
85