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
13 #include <TMCProcess.h>
15 #include "AliGenCocktail.h"
18 class AliGenCocktailEntry;
21 class AliGenCocktailAfterBurner : public AliGenCocktail
23 //container class for other generators
24 //extends AliGenCocktail functionality
25 //with possiblity of adding after-burners
28 AliGenCocktailAfterBurner();
29 AliGenCocktailAfterBurner(const AliGenCocktailAfterBurner& in);
30 virtual ~AliGenCocktailAfterBurner();
31 AliGenCocktailAfterBurner & operator=(const AliGenCocktailAfterBurner & rhs);
34 virtual void Generate();
35 virtual void SetTracks(Int_t stackno);
37 // Add a new generator to the list
38 virtual void AddAfterBurner
39 (AliGenerator *Generator, char* Name, Float_t RateExp );
41 AliStack* GetStack(Int_t n) const;
42 AliStack* GetActiveStack() const{return fActiveStack;}
44 AliGenerator* GetCurrentGenerator() const;
45 virtual void SetActiveEventNumber(Int_t actev);
46 Int_t GetActiveEventNumber() const {return fActiveEvent;}
47 virtual Int_t GetNumberOfEvents() const {return gAlice->GetEventsPerRun() + fNBgEvents;}
48 void SetNBgEvents(Int_t nbg=0){fNBgEvents = nbg;}
50 static TMCProcess IntToMCProcess(Int_t no);
53 Int_t fNAfterBurners; // Number of afterburners
54 TList *fAfterBurnerEntries;// List of afterburners
55 Bool_t fGenerationDone; // flag if generation is already done
56 // during first call of Generate method
57 // if true just return event to gAlice
59 TObjArray *fInternalStacks; //! List of internal stacks
60 Int_t fCurrentEvent; // Number of current event/stack
63 AliStack* fActiveStack; //! pointer to the current stack
64 Int_t fActiveEvent; //HBT Processor needs more then one event to do correlations
65 //Due to complications in fortran, it first calls C routine
66 //that sets the active event to be read. All alihbtp_gettrack
67 //are addressed to this event
69 AliGenerator *fCurrentGenerator; // Current event generator
70 Int_t fNBgEvents; //Nuber of backgrouns events
71 //(events that are generated only temporarly)
72 //needed by some afterburners that works better with higher statistics
73 //this generates such a artificial one
75 void Copy(TObject &arun) const;
77 ClassDef(AliGenCocktailAfterBurner,2) // Particle cocktail generator a la SHAKER
78 //background events added
82 AliGenCocktailAfterBurner::GetCurrentGenerator() const
84 return fCurrentGenerator;