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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 "AliRun.h" | |
17 | ||
18 | class AliGenCocktailEntry; | |
19 | class AliStack; | |
20 | ||
21 | // ANDREAS MORSCH ------------------------------------- ( | |
22 | class AliCollisionGeometry; | |
23 | // ANDREAS MORSCH ------------------------------------- ) | |
24 | ||
25 | class AliGenCocktailAfterBurner : public AliGenCocktail | |
26 | { | |
27 | //container class for other generators | |
28 | //extends AliGenCocktail functionality | |
29 | //with possiblity of adding after-burners | |
30 | ||
31 | public: | |
32 | AliGenCocktailAfterBurner(); | |
33 | AliGenCocktailAfterBurner(const AliGenCocktailAfterBurner& in); | |
34 | virtual ~AliGenCocktailAfterBurner(); | |
35 | AliGenCocktailAfterBurner & operator=(const AliGenCocktailAfterBurner & rhs); | |
36 | ||
37 | virtual void Init(); | |
38 | virtual void Generate(); | |
39 | virtual void SetTracks(Int_t stackno); | |
40 | // | |
41 | // Add a new generator to the list | |
42 | virtual void AddAfterBurner | |
43 | (AliGenerator *Generator, char* Name, Float_t RateExp ); | |
44 | ||
45 | AliStack* GetStack(Int_t n) const; | |
46 | AliStack* GetActiveStack() const{return fActiveStack;} | |
47 | ||
48 | // ANDREAS MORSCH ------------------------------------- ( | |
49 | AliCollisionGeometry* GetCollisionGeometry(Int_t n) const; | |
50 | // ANDREAS MORSCH ------------------------------------- ) | |
51 | ||
52 | AliGenerator* GetCurrentGenerator() const; | |
53 | virtual void SetActiveEventNumber(Int_t actev); | |
54 | Int_t GetActiveEventNumber() const {return fActiveEvent;} | |
55 | virtual Int_t GetNumberOfEvents() const {return gAlice->GetEventsPerRun() + fNBgEvents;} | |
56 | void SetNBgEvents(Int_t nbg=0){fNBgEvents = nbg;} | |
57 | ||
58 | static TMCProcess IntToMCProcess(Int_t no); | |
59 | ||
60 | protected: | |
61 | Int_t fNAfterBurners; // Number of afterburners | |
62 | TList *fAfterBurnerEntries;// List of afterburners | |
63 | Bool_t fGenerationDone; // flag if generation is already done | |
64 | // during first call of Generate method | |
65 | // if true just return event to gAlice | |
66 | // | |
67 | TObjArray *fInternalStacks; //! List of internal stacks | |
68 | ||
69 | // ANDREAS MORSCH ------------------------------------- ( | |
70 | AliCollisionGeometry** fCollisionGeometries; //! List of Collision Geometries | |
71 | // ANDREAS MORSCH ------------------------------------- ) | |
72 | ||
73 | Int_t fCurrentEvent; // Number of current event/stack | |
74 | ||
75 | ||
76 | AliStack* fActiveStack; //! pointer to the current stack | |
77 | Int_t fActiveEvent; //HBT Processor needs more then one event to do correlations | |
78 | //Due to complications in fortran, it first calls C routine | |
79 | //that sets the active event to be read. All alihbtp_gettrack | |
80 | //are addressed to this event | |
81 | ||
82 | AliGenerator *fCurrentGenerator; // Current event generator | |
83 | Int_t fNBgEvents; //Nuber of backgrouns events | |
84 | //(events that are generated only temporarly) | |
85 | //needed by some afterburners that works better with higher statistics | |
86 | //this generates such a artificial one | |
87 | private: | |
88 | void Copy(TObject &arun) const; | |
89 | ||
90 | ClassDef(AliGenCocktailAfterBurner,2) // Particle cocktail generator a la SHAKER | |
91 | //background events added | |
92 | }; | |
93 | ||
94 | inline AliGenerator* | |
95 | AliGenCocktailAfterBurner::GetCurrentGenerator() const | |
96 | { | |
97 | return fCurrentGenerator; | |
98 | } | |
99 | ||
100 | ||
101 | #endif | |
102 | ||
103 | ||
104 | ||
105 | ||
106 |