/data/refman/pasoursint/CMSSW_4_1_8_patch13/src/GeneratorInterface/ExternalDecays/interface/ExternalDecayDriver.h

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#ifndef gen_ExternalDecayDriver_h
#define gen_ExternalDecayDriver_h

#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Framework/interface/EventSetup.h"

namespace HepMC
{
class GenEvent;
}

namespace gen {

class TauolaInterface;
class EvtGenInterface;
class PhotosInterface;

   class ExternalDecayDriver 
   {
      public:
         
         // ctor & dtor
         ExternalDecayDriver( const edm::ParameterSet& );
         ~ExternalDecayDriver();
         
         void init( const edm::EventSetup& );

         const std::vector<int>&         operatesOnParticles() { return fPDGs; }
         const std::vector<std::string>& specialSettings()     { return fSpecialSettings; }
         
         HepMC::GenEvent* decay( HepMC::GenEvent* );
         
         void statistics() const;
      
      private:
         
         bool                     fIsInitialized;
         TauolaInterface*         fTauolaInterface;
         EvtGenInterface*         fEvtGenInterface;
         PhotosInterface*         fPhotosInterface;
         std::vector<int>         fPDGs;
         std::vector<std::string> fSpecialSettings;
         
   };

}

#endif