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 EvtGenInterfaceBase;
  class TauolaInterfaceBase;
  class PhotosInterfaceBase;

   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 hastauolapp;           
     bool                     fIsInitialized;
     TauolaInterfaceBase*     fTauolaInterface;
     EvtGenInterfaceBase*     fEvtGenInterface;
     PhotosInterfaceBase*     fPhotosInterface;
     std::vector<int>         fPDGs;
     std::vector<std::string> fSpecialSettings;
   };
}

#endif