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G4HCofThisEvent.hh
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28 
29 #ifndef G4HCofThisEvent_h
30 #define G4HCofThisEvent_h 1
31 
32 #include "globals.hh"
33 #include "G4Allocator.hh"
34 #include "G4VHitsCollection.hh"
35 #include <vector>
36 
37 // class description:
38 //
39 // This is a class which stores hits collections generated at one event.
40 // This class is exclusively constructed by G4SDManager when the first
41 // hits collection of an event is passed to the manager, and this class
42 // object is deleted by G4RunManager when a G4Event class object is deleted.
43 // Almost all public methods must be used by Geant4 kernel classes and
44 // the user should not invoke them. The user can use two const methods,
45 // GetHC() and GetNumberOfCollections() for accessing to the stored hits
46 // collection(s).
47 
48 class G4HCofThisEvent
49 {
50  public:
54  inline void *operator new(size_t);
55  inline void operator delete(void* anHCoTE);
56 
57  void AddHitsCollection(G4int HCID,G4VHitsCollection * aHC);
58 
61  private:
62  std::vector<G4VHitsCollection*> * HC;
63 
64  public: // with description
66  { return (*HC)[i]; }
67  // Returns a pointer to a hits collection. Null will be returned
68  // if the particular collection is not stored at the current event.
69  // The integer argument is ID number which is assigned by G4SDManager
70  // and the number can be obtained by G4SDManager::GetHitsCollectionID()
71  // method.
73  {
74  G4int n = 0;
75  for(size_t i=0;i<HC->size();i++)
76  {
77  if((*HC)[i]) n++;
78  }
79  return n;
80  }
81  // Returns the number of hits collections which are stored in this class
82  // object.
83  public:
84  inline size_t GetCapacity()
85  {
86  return HC->size();
87  }
88 };
89 
90 #if defined G4DIGI_ALLOC_EXPORT
92 #else
94 #endif
95 
96 inline void* G4HCofThisEvent::operator new(size_t)
98  void* anHCoTH;
99  anHCoTH = (void*)anHCoTHAllocator.MallocSingle();
100  return anHCoTH;
101 }
102 
103 inline void G4HCofThisEvent::operator delete(void* anHCoTH)
105  anHCoTHAllocator.FreeSingle((G4HCofThisEvent*)anHCoTH);
106 }
107 
108 
109 #endif
110