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"

#include <string>
#include <vector>

namespace HepMC
{
class GenEvent;
}

namespace CLHEP {
   class HepRandomEngine;
}

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;

         void setRandomEngine(CLHEP::HepRandomEngine*);
         std::vector<std::string> const& sharedResources() const { return exSharedResources; }

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

         std::vector<std::string> exSharedResources;
   };

}

#endif