4 ///////////////////////////////////////////////////////
8 // Class storing and managing set events //
9 // designed for fast acces //
11 // Piotr.Skowronski@cern.ch //
12 // http://alisoft.cern.ch/people/skowron/analyzer //
14 ///////////////////////////////////////////////////////
17 #include "AliHBTEvent.h"
18 #include <TObjArray.h>
24 class AliHBTRun: public TObject
30 void AddParticle(Int_t event, AliHBTParticle* part); //inerface to AliHBTEvent::AddParticle(AliHBTParticle*)
31 void AddParticle(Int_t event, TParticle* part, Int_t idx);//inerface to AliHBTEvent::AddParticle(TParticle*)
33 //inerface to AliHBTEvent::AddParticle(Int_t.Double_t,Double_t,Double_t,Double_t,Double_t,Double_t,Double_t,Double_t,Double_t)
34 void AddParticle(Int_t event, Int_t pdg, Int_t idx,
35 Double_t px, Double_t py, Double_t pz, Double_t etot,
36 Double_t vx, Double_t vy, Double_t vz, Double_t time);
38 void SetEvent(Int_t number, AliHBTEvent* event);
39 AliHBTParticle* GetParticle(Int_t event, Int_t n); //returns nth particle from event
40 AliHBTEvent* GetEvent(Int_t event) const; //returns AliHBTEvent number "event"
42 Int_t GetNumberOfEvents() const; //returns number of events
43 Int_t GetNumberOfParticlesInEvent(Int_t event) const; //returns number of particles in event number "event"
44 void Reset();//clears all events in the array (deletes)
46 TObjArray* fEvents;//!Array containig AliHBTEvents
54 /**************************************************************************/
57 AliHBTEvent* AliHBTRun::GetEvent(Int_t event) const
59 //returns pointer to AliHBTEvent number "event"
60 //check if array is enough big - protect from error massage from array "Out Of Bounds"
61 if (event>=fEvents->GetSize()) return 0x0;//WARNING, that line relies
62 //on index of first object in TObjArray is 0
64 return (AliHBTEvent*)fEvents->At(event);
66 /**************************************************************************/
68 AliHBTParticle* AliHBTRun::GetParticle(Int_t event, Int_t n)
70 //returns nth particle from event number event
71 AliHBTEvent* e = GetEvent(event);
72 return (e)?e->GetParticle(n):0x0;
75 /**************************************************************************/
78 Int_t AliHBTRun::GetNumberOfEvents() const
80 //returns number of events in collection
82 return fEvents->GetEntriesFast(); //there may be empty slots but we do not care
83 //Analysis checks it if return is not NULL
85 /**************************************************************************/
88 Int_t AliHBTRun::GetNumberOfParticlesInEvent(Int_t event) const
90 //returns number of Particles in event
91 AliHBTEvent* e = GetEvent(event);
92 return (e)?e->GetNumberOfParticles():0x0;