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0b359ada | 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 */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | // Container class for AliGenerator through recursion. | |
9 | // (Container is itself an AliGenerator) | |
20dddfab | 10 | // Author: piotr.skowronski@cern.ch |
0b359ada | 11 | // |
88cb7938 | 12 | |
13 | #include <TMCProcess.h> | |
14 | ||
0b359ada | 15 | #include "AliGenCocktail.h" |
4a33c50d | 16 | #include "AliRunLoader.h" |
0b359ada | 17 | |
18 | class AliGenCocktailEntry; | |
19 | class AliStack; | |
cc41459d | 20 | class AliCollisionGeometry; |
9c64a93a | 21 | class AliGenCocktailEventHeader; |
22 | ||
cc41459d | 23 | |
0b359ada | 24 | class AliGenCocktailAfterBurner : public AliGenCocktail |
25 | { | |
20dddfab | 26 | //container class for other generators |
27 | //extends AliGenCocktail functionality | |
28 | //with possiblity of adding after-burners | |
29 | ||
0b359ada | 30 | public: |
31 | AliGenCocktailAfterBurner(); | |
0b359ada | 32 | virtual ~AliGenCocktailAfterBurner(); |
20dddfab | 33 | |
34 | virtual void Init(); | |
35 | virtual void Generate(); | |
36 | virtual void SetTracks(Int_t stackno); | |
0b359ada | 37 | // |
38 | // Add a new generator to the list | |
20dddfab | 39 | virtual void AddAfterBurner |
0b359ada | 40 | (AliGenerator *Generator, char* Name, Float_t RateExp ); |
0b359ada | 41 | |
20dddfab | 42 | AliStack* GetStack(Int_t n) const; |
43 | AliStack* GetActiveStack() const{return fActiveStack;} | |
cc41459d | 44 | |
cc41459d | 45 | AliCollisionGeometry* GetCollisionGeometry(Int_t n) const; |
cc41459d | 46 | |
20dddfab | 47 | AliGenerator* GetCurrentGenerator() const; |
0b359ada | 48 | virtual void SetActiveEventNumber(Int_t actev); |
20dddfab | 49 | Int_t GetActiveEventNumber() const {return fActiveEvent;} |
ed15ce56 | 50 | virtual Int_t GetNumberOfEvents() const {return AliRunLoader::Instance()->GetNumberOfEventsPerRun() + fNBgEvents;} |
20dddfab | 51 | void SetNBgEvents(Int_t nbg=0){fNBgEvents = nbg;} |
e3b21c34 | 52 | AliGenCocktailEventHeader* GetActiveEventHeader() const { return fHeaders[fActiveEvent]; } |
984c69bd | 53 | |
acc86a24 | 54 | static TMCProcess IntToMCProcess(Int_t no); |
0af12c00 | 55 | |
0b359ada | 56 | protected: |
984c69bd | 57 | Int_t fNAfterBurners; // Number of afterburners |
58 | TList *fAfterBurnerEntries;// List of afterburners | |
2b9786f4 | 59 | Bool_t fGenerationDone; // flag if generation is already done |
60 | // during first call of Generate method | |
61 | // if true just return event to gAlice | |
62 | // | |
984c69bd | 63 | TObjArray *fInternalStacks; //! List of internal stacks |
cc41459d | 64 | |
9c64a93a | 65 | AliCollisionGeometry** fCollisionGeometries; //! List of Collision Geometries |
66 | AliGenCocktailEventHeader** fHeaders; //! List of Headers | |
cc41459d | 67 | |
984c69bd | 68 | Int_t fCurrentEvent; // Number of current event/stack |
0b359ada | 69 | |
984c69bd | 70 | |
71 | AliStack* fActiveStack; //! pointer to the current stack | |
72 | Int_t fActiveEvent; //HBT Processor needs more then one event to do correlations | |
73 | //Due to complications in fortran, it first calls C routine | |
74 | //that sets the active event to be read. All alihbtp_gettrack | |
75 | //are addressed to this event | |
0b359ada | 76 | |
984c69bd | 77 | AliGenerator *fCurrentGenerator; // Current event generator |
20dddfab | 78 | Int_t fNBgEvents; //Nuber of backgrouns events |
79 | //(events that are generated only temporarly) | |
80 | //needed by some afterburners that works better with higher statistics | |
81 | //this generates such a artificial one | |
198bb1c7 | 82 | private: |
93a2041b | 83 | AliGenCocktailAfterBurner(const AliGenCocktailAfterBurner& in); |
84 | AliGenCocktailAfterBurner & operator=(const AliGenCocktailAfterBurner & rhs); | |
0af12c00 | 85 | |
466bfded | 86 | ClassDef(AliGenCocktailAfterBurner,2) // Particle cocktail generator a la SHAKER |
87 | //background events added | |
0b359ada | 88 | }; |
89 | ||
90 | inline AliGenerator* | |
20dddfab | 91 | AliGenCocktailAfterBurner::GetCurrentGenerator() const |
0b359ada | 92 | { |
93 | return fCurrentGenerator; | |
94 | } | |
95 | ||
96 | ||
97 | #endif | |
98 | ||
99 | ||
100 | ||
101 | ||
102 |