| Geant4 Cross Reference |
1 //
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24 // ********************************************************************
25 //
26 // G4ClonedTrajectoryPoint
27 //
28 // Class description:
29 //
30 // This class is identical to G4TrajectoryPoint class, but uses the
31 // singleton G4Allocator so that the master thread can safely
32 // delete the object instantiated by worker threads in sub-event
33 // parallel mode.
34 //
35 // Makoto Asai (JLab) - Oct.2024
36 // --------------------------------------------------------------------
37 //
38 #ifndef G4ClonedTrajectoryPoint_hh
39 #define G4ClonedTrajectoryPoint_hh 1
40
41 #include "G4Allocator.hh" // Include from 'particle+matter'
42 #include "G4ThreeVector.hh" // Include from 'geometry'
43 #include "G4VTrajectoryPoint.hh"
44 #include "G4Threading.hh"
45 #include "globals.hh" // Include from 'global'
46
47 #include "trkgdefs.hh"
48
49 class G4TrajectoryPoint;
50
51 class G4ClonedTrajectoryPoint : public G4VTrajectoryPoint
52 {
53 public:
54 // Constructors/Destructor
55
56 G4ClonedTrajectoryPoint() = default;
57 G4ClonedTrajectoryPoint(const G4TrajectoryPoint& right);
58 ~G4ClonedTrajectoryPoint() override;
59
60 // Operators
61
62 inline void* operator new(size_t);
63 inline void operator delete(void* aTrajectoryPoint);
64 inline G4bool operator==(const G4ClonedTrajectoryPoint& right) const;
65
66 // Get/Set functions
67
68 inline const G4ThreeVector GetPosition() const override { return fPosition; }
69
70 // Get method for HEPRep style attributes
71 const std::map<G4String, G4AttDef>* GetAttDefs() const override;
72 std::vector<G4AttValue>* CreateAttValues() const override;
73
74 private:
75 G4ThreeVector fPosition{0., 0., 0.};
76 };
77
78 extern G4TRACKING_DLL G4Allocator<G4ClonedTrajectoryPoint>*& aClonedTrajectoryPointAllocator();
79
80 inline void* G4ClonedTrajectoryPoint::operator new(size_t)
81 {
82 if (aClonedTrajectoryPointAllocator() == nullptr) {
83 aClonedTrajectoryPointAllocator() = new G4Allocator<G4ClonedTrajectoryPoint>;
84 }
85 return (void*)aClonedTrajectoryPointAllocator()->MallocSingle();
86 }
87
88 inline void G4ClonedTrajectoryPoint::operator delete(void* aTrajectoryPoint)
89 {
90 aClonedTrajectoryPointAllocator()->FreeSingle((G4ClonedTrajectoryPoint*)aTrajectoryPoint);
91 }
92
93 inline G4bool G4ClonedTrajectoryPoint::operator==(const G4ClonedTrajectoryPoint& right) const
94 {
95 return (this == &right);
96 }
97
98 #endif
99