SIOVPmtGainService_service.cc

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#ifndef SIOVPMTGAINSERVICE_CC
#define SIOVPMTGAINSERVICE_CC

#include "art/Framework/Services/Registry/ServiceMacros.h"
#include "art/Framework/Services/Registry/ActivityRegistry.h"
#include "art/Framework/Principal/Event.h"
#include "fhiclcpp/ParameterSet.h"
#include "larevt/CalibrationDBI/Interface/PmtGainService.h"
#include "larevt/CalibrationDBI/Providers/SIOVPmtGainProvider.h"

namespace lariov{

  class SIOVPmtGainService : public PmtGainService {
  
    public:
    
      SIOVPmtGainService(fhicl::ParameterSet const& pset, art::ActivityRegistry& reg);
      ~SIOVPmtGainService(){}
      
      void PreProcessEvent(const art::Event& evt) {
        fProvider.Update(evt.time().value());
      }
     
    private:
    
      PmtGainProvider const& DoGetProvider() const override {
        return fProvider;
      }   
      
      PmtGainProvider const* DoGetProviderPtr() const override {
        return &fProvider; 
      }
    
      SIOVPmtGainProvider fProvider;
  };
}//end namespace lariov
      
DECLARE_ART_SERVICE_INTERFACE_IMPL(lariov::SIOVPmtGainService, lariov::PmtGainService, LEGACY)
      

namespace lariov{

  SIOVPmtGainService::SIOVPmtGainService(fhicl::ParameterSet const& pset, art::ActivityRegistry& reg) 
  : fProvider(pset.get<fhicl::ParameterSet>("PmtGainProvider"))
  {
    //register callback to update local database cache before each event is processed
    reg.sPreProcessEvent.watch(this, &SIOVPmtGainService::PreProcessEvent);
  }

}//end namespace lariov

DEFINE_ART_SERVICE_INTERFACE_IMPL(lariov::SIOVPmtGainService, lariov::PmtGainService)

#endif