- Vertex using Vertex() method.

[u/mrichter/AliRoot.git] / EVGEN / AliGenCocktailAfterBurner.h

diff --git a/EVGEN/AliGenCocktailAfterBurner.h b/EVGEN/AliGenCocktailAfterBurner.h
index ccef04fdda0e7243fa8555d3a7abadcbde25ca62..fd255051f623dd5610c17f698b30b04e32388acf 100644 (file)
--- a/EVGEN/AliGenCocktailAfterBurner.h
+++ b/EVGEN/AliGenCocktailAfterBurner.h
@@ -7,56 +7,74 @@
 
 // Container class for AliGenerator through recursion.
 // (Container is itself an AliGenerator)
-// Author: andreas.morsch@cern.ch 
+// Author: piotr.skowronski@cern.ch 
 //
-#include "AliGenCocktailAfterBurner.h"
 #include "AliGenCocktail.h"
-
+#include "AliRun.h"
 
 class AliGenCocktailEntry;
 class AliStack;
 
 class AliGenCocktailAfterBurner : public  AliGenCocktail
 {
+//container class for other generators
+//extends AliGenCocktail functionality
+//with possiblity of adding after-burners
+
  public:
     AliGenCocktailAfterBurner();
-//    AliGenCocktailAfterBurner(const AliGenCocktailAfterBurner &cocktail){}
-     
+    AliGenCocktailAfterBurner(const AliGenCocktailAfterBurner& in);
     virtual ~AliGenCocktailAfterBurner();
-    virtual void Init();
-    virtual void Generate();
-    virtual void SetTracks(Int_t stackno);
+    AliGenCocktailAfterBurner & operator=(const AliGenCocktailAfterBurner & rhs);
+    
+    virtual void  Init();
+    virtual void  Generate();
+    virtual void  SetTracks(Int_t stackno);
     //
     // Add a new generator to the list
-    virtual void AddAfterBurner
+    virtual void  AddAfterBurner
        (AliGenerator *Generator, char* Name, Float_t RateExp );
-    AliGenCocktailAfterBurner & operator=(const AliGenCocktailAfterBurner & rhs);
     
-    AliStack* GetStack(Int_t n);
-    AliStack* GetActiveStack() {return fActiveStack;}
+    AliStack*     GetStack(Int_t n) const;
+    AliStack*     GetActiveStack() const{return fActiveStack;}
     
-    AliGenerator* GetCurrentGenerator();
+    AliGenerator* GetCurrentGenerator() const;
     virtual void  SetActiveEventNumber(Int_t actev);
-    Int_t GetActiveEventNumber() {return fActiveEvent;}
-    static AliMCProcess IntToMCProcess(Int_t no);
+    Int_t         GetActiveEventNumber() const {return fActiveEvent;}
+    virtual Int_t GetNumberOfEvents() const {return gAlice->GetEventsPerRun() + fNBgEvents;}
+    void          SetNBgEvents(Int_t nbg=0){fNBgEvents = nbg;}
+
+    static TMCProcess IntToMCProcess(Int_t no);
+
  protected:
-    Int_t fNAfterBurners; 
-    TList  *fAfterBurnerEntries;
-    Bool_t fGenerationDone;
-    TObjArray *fInternalStacks; // ! List of internal stacks
-    Int_t fCurrentEvent; //  Number of current event/stack
+    Int_t fNAfterBurners;       // Number of afterburners  
+    TList  *fAfterBurnerEntries;// List of afterburners
+    Bool_t fGenerationDone;     // flag if generation is already done 
+                                //   during first call of Generate method
+                                //   if true just return event to gAlice
+                                //   
+    TObjArray *fInternalStacks; //! List of internal stacks
+    Int_t fCurrentEvent;        //  Number of current event/stack
     
+
+    AliStack* fActiveStack;   //! pointer to the current stack
+    Int_t fActiveEvent;       //HBT Processor needs more then one event to do correlations
+                              //Due to complications in fortran, it first calls C routine
+                              //that sets the active event to be read. All alihbtp_gettrack
+                              //are addressed to this event
     
-    AliStack* fActiveStack; // ! pointer to the current stack
-    Int_t fActiveEvent;
-   
-    AliGenerator *fCurrentGenerator;
-    
-    ClassDef(AliGenCocktailAfterBurner,1) // Particle cocktail generator a la SHAKER
+    AliGenerator *fCurrentGenerator;      // Current event generator 
+    Int_t fNBgEvents;                     //Nuber of backgrouns events 
+                                          //(events that are generated only temporarly)
+                                          //needed by some afterburners that works better with higher statistics 
+                                          //this generates such a artificial one
+ private:   
+    ClassDef(AliGenCocktailAfterBurner,2) // Particle cocktail generator a la SHAKER
+                                          //background events added
 };
 
 inline  AliGenerator*  
-    AliGenCocktailAfterBurner::GetCurrentGenerator()
+    AliGenCocktailAfterBurner::GetCurrentGenerator() const
 {
   return fCurrentGenerator;
 }