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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) | |
10 | // Author: piotr.skowronski@cern.ch | |
11 | // | |
12 | ||
13 | #include <TMCProcess.h> | |
14 | ||
15 | #include "AliGenCocktail.h" | |
16 | #include "AliRunLoader.h" | |
17 | ||
18 | class AliGenCocktailEntry; | |
19 | class AliStack; | |
20 | class AliCollisionGeometry; | |
21 | class AliGenCocktailEventHeader; | |
22 | ||
23 | ||
24 | class AliGenCocktailAfterBurner : public AliGenCocktail | |
25 | { | |
26 | //container class for other generators | |
27 | //extends AliGenCocktail functionality | |
28 | //with possiblity of adding after-burners | |
29 | ||
30 | public: | |
31 | AliGenCocktailAfterBurner(); | |
32 | virtual ~AliGenCocktailAfterBurner(); | |
33 | ||
34 | virtual void Init(); | |
35 | virtual void Generate(); | |
36 | virtual void SetTracks(Int_t stackno); | |
37 | // | |
38 | // Add a new generator to the list | |
39 | virtual void AddAfterBurner | |
40 | (AliGenerator *Generator, char* Name, Float_t RateExp ); | |
41 | ||
42 | AliStack* GetStack(Int_t n) const; | |
43 | AliStack* GetActiveStack() const{return fActiveStack;} | |
44 | ||
45 | AliCollisionGeometry* GetCollisionGeometry(Int_t n) const; | |
46 | ||
47 | AliGenerator* GetCurrentGenerator() const; | |
48 | virtual void SetActiveEventNumber(Int_t actev); | |
49 | Int_t GetActiveEventNumber() const {return fActiveEvent;} | |
50 | virtual Int_t GetNumberOfEvents() const {return AliRunLoader::Instance()->GetNumberOfEventsPerRun() + fNBgEvents;} | |
51 | void SetNBgEvents(Int_t nbg=0){fNBgEvents = nbg;} | |
52 | AliGenCocktailEventHeader* GetActiveEventHeader() const { return fHeaders[fActiveEvent]; } | |
53 | ||
54 | static TMCProcess IntToMCProcess(Int_t no); | |
55 | ||
56 | protected: | |
57 | Int_t fNAfterBurners; // Number of afterburners | |
58 | TList *fAfterBurnerEntries;// List of afterburners | |
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 | // | |
63 | TObjArray *fInternalStacks; //! List of internal stacks | |
64 | ||
65 | AliCollisionGeometry** fCollisionGeometries; //! List of Collision Geometries | |
66 | AliGenCocktailEventHeader** fHeaders; //! List of Headers | |
67 | ||
68 | Int_t fCurrentEvent; // Number of current event/stack | |
69 | ||
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 | |
76 | ||
77 | AliGenerator *fCurrentGenerator; // Current event generator | |
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 | |
82 | private: | |
83 | AliGenCocktailAfterBurner(const AliGenCocktailAfterBurner& in); | |
84 | AliGenCocktailAfterBurner & operator=(const AliGenCocktailAfterBurner & rhs); | |
85 | ||
86 | ClassDef(AliGenCocktailAfterBurner,2) // Particle cocktail generator a la SHAKER | |
87 | //background events added | |
88 | }; | |
89 | ||
90 | inline AliGenerator* | |
91 | AliGenCocktailAfterBurner::GetCurrentGenerator() const | |
92 | { | |
93 | return fCurrentGenerator; | |
94 | } | |
95 | ||
96 | ||
97 | #endif | |
98 | ||
99 | ||
100 | ||
101 | ||
102 |