1 #ifndef AliGenCocktailAfterBurner_H
2 #define AliGenCocktailAfterBurner_H
3 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
8 // Container class for AliGenerator through recursion.
9 // (Container is itself an AliGenerator)
10 // Author: piotr.skowronski@cern.ch
12 #include "AliGenCocktail.h"
15 class AliGenCocktailEntry;
18 class AliGenCocktailAfterBurner : public AliGenCocktail
20 //container class for other generators
21 //extends AliGenCocktail functionality
22 //with possiblity of adding after-burners
25 AliGenCocktailAfterBurner();
26 AliGenCocktailAfterBurner(const AliGenCocktailAfterBurner& in);
27 virtual ~AliGenCocktailAfterBurner();
28 AliGenCocktailAfterBurner & operator=(const AliGenCocktailAfterBurner & rhs);
31 virtual void Generate();
32 virtual void SetTracks(Int_t stackno);
34 // Add a new generator to the list
35 virtual void AddAfterBurner
36 (AliGenerator *Generator, char* Name, Float_t RateExp );
38 AliStack* GetStack(Int_t n) const;
39 AliStack* GetActiveStack() const{return fActiveStack;}
41 AliGenerator* GetCurrentGenerator() const;
42 virtual void SetActiveEventNumber(Int_t actev);
43 Int_t GetActiveEventNumber() const {return fActiveEvent;}
44 virtual Int_t GetNumberOfEvents() const {return gAlice->GetEventsPerRun() + fNBgEvents;}
45 void SetNBgEvents(Int_t nbg=0){fNBgEvents = nbg;}
47 static TMCProcess IntToMCProcess(Int_t no);
50 Int_t fNAfterBurners; // Number of afterburners
51 TList *fAfterBurnerEntries;// List of afterburners
52 Bool_t fGenerationDone; // flag if generation is already done
53 // during first call of Generate method
54 // if true just return event to gAlice
56 TObjArray *fInternalStacks; //! List of internal stacks
57 Int_t fCurrentEvent; // Number of current event/stack
60 AliStack* fActiveStack; //! pointer to the current stack
61 Int_t fActiveEvent; //HBT Processor needs more then one event to do correlations
62 //Due to complications in fortran, it first calls C routine
63 //that sets the active event to be read. All alihbtp_gettrack
64 //are addressed to this event
66 AliGenerator *fCurrentGenerator; // Current event generator
67 Int_t fNBgEvents; //Nuber of backgrouns events
68 //(events that are generated only temporarly)
69 //needed by some afterburners that works better with higher statistics
70 //this generates such a artificial one
72 ClassDef(AliGenCocktailAfterBurner,2) // Particle cocktail generator a la SHAKER
73 //background events added
77 AliGenCocktailAfterBurner::GetCurrentGenerator() const
79 return fCurrentGenerator;