include/Geant4/G4ClonedTrajectoryPoint.hh

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0025 //
0026 // G4ClonedTrajectoryPoint
0027 //
0028 // Class description:
0029 //
0030 // This class is identical to G4TrajectoryPoint class, but uses the
0031 // singleton G4Allocator so that the master thread can safely
0032 // delete the object instantiated by worker threads in sub-event
0033 // parallel mode.
0034 //
0035 // Makoto Asai (JLab) - Oct.2024
0036 // --------------------------------------------------------------------
0037 //
0038 #ifndef G4ClonedTrajectoryPoint_hh
0039 #define G4ClonedTrajectoryPoint_hh 1
0040
0041 #include "G4Allocator.hh"  // Include from 'particle+matter'
0042 #include "G4ThreeVector.hh"  // Include from 'geometry'
0043 #include "G4VTrajectoryPoint.hh"
0044 #include "G4Threading.hh"
0045 #include "globals.hh"  // Include from 'global'
0046
0047 #include "trkgdefs.hh"
0048
0049 class G4TrajectoryPoint;
0050
0051 class G4ClonedTrajectoryPoint : public G4VTrajectoryPoint
0052 {
0053  public:
0054   // Constructors/Destructor
0055
0056   G4ClonedTrajectoryPoint() = default;
0057   G4ClonedTrajectoryPoint(const G4TrajectoryPoint& right);
0058   ~G4ClonedTrajectoryPoint() override;
0059
0060   // Operators
0061
0062   inline void* operator new(size_t);
0063   inline void operator delete(void* aTrajectoryPoint);
0064   inline G4bool operator==(const G4ClonedTrajectoryPoint& right) const;
0065
0066   // Get/Set functions
0067
0068   inline const G4ThreeVector GetPosition() const override { return fPosition; }
0069
0070   // Get method for HEPRep style attributes
0071   const std::map<G4String, G4AttDef>* GetAttDefs() const override;
0072   std::vector<G4AttValue>* CreateAttValues() const override;
0073
0074  private:
0075   G4ThreeVector fPosition{0., 0., 0.};
0076 };
0077
0078 extern G4TRACKING_DLL G4Allocator<G4ClonedTrajectoryPoint>*& aClonedTrajectoryPointAllocator();
0079
0080 inline void* G4ClonedTrajectoryPoint::operator new(size_t)
0081 {
0082   if (aClonedTrajectoryPointAllocator() == nullptr) {
0083     aClonedTrajectoryPointAllocator() = new G4Allocator<G4ClonedTrajectoryPoint>;
0084   }
0085   return (void*)aClonedTrajectoryPointAllocator()->MallocSingle();
0086 }
0087
0088 inline void G4ClonedTrajectoryPoint::operator delete(void* aTrajectoryPoint)
0089 {
0090   aClonedTrajectoryPointAllocator()->FreeSingle((G4ClonedTrajectoryPoint*)aTrajectoryPoint);
0091 }
0092
0093 inline G4bool G4ClonedTrajectoryPoint::operator==(const G4ClonedTrajectoryPoint& right) const
0094 {
0095   return (this == &right);
0096 }
0097
0098 #endif