PndGiBuuGenerator.h

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// -------------------------------------------------------------------------
// -----                 PndGiBuuGenerator header file                  -----
// -----               Created 02/08/12  by T.Stockmanns                -----
// -------------------------------------------------------------------------

#ifndef PND_GiBuuGENERATOR_H
#define PND_GiBuuGENERATOR_H


#include "FairGenerator.h"
#include "PndGiBuuDecayerAbs.h"

#include "TString.h"
#include <fstream>
#include <map>

class FairPrimaryGenerator;



class PndGiBuuGenerator : public FairGenerator
{

 public: 


  PndGiBuuGenerator(const Char_t* fileName, const Char_t* pidDataFileName);


  virtual ~PndGiBuuGenerator();


  virtual Bool_t ReadEvent(FairPrimaryGenerator* primGen);

  void RegisterDecayer(Int_t pdgCode, PndGiBuuDecayerAbs* decayer){ fDecayerMap[pdgCode] = decayer; }

 protected:
 Bool_t Init();
        
 private:
 PndGiBuuGenerator() {};

 void FillPidMap();
 Int_t GetPdgParticleId(Int_t GiBuuId, Int_t charge);
 void WriteoutDecayParticle(Int_t oldEventNr, Int_t oldRunId, FairPrimaryGenerator* primGen);

 std::map<std::pair<Int_t, Int_t>, Int_t > fMapGiBuuToPdg; 
  
  Int_t fEvent;      
  Int_t fRunId;                 
  TString fFileName;   
  TString fPidDataFileName; 
  std::ifstream *fInputAsciiFile; 

  std::map<Int_t, PndGiBuuDecayerAbs*> fDecayerMap; 

  Double_t fPx, fPy, fPz;  
  Int_t    fPdg;           

  void CloseInput();


  ClassDef(PndGiBuuGenerator,1);

};

#endif