SIOVDetPedestalService_service.cc

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#include "art/Framework/Services/Registry/ActivityRegistry.h"
#include "art/Framework/Services/Registry/ServiceDefinitionMacros.h"
#include "art/Framework/Principal/Event.h"
#include "art/Persistency/Provenance/ScheduleContext.h"
#include "fhiclcpp/ParameterSet.h"
#include "larevt/CalibrationDBI/Interface/DetPedestalService.h"
#include "larevt/CalibrationDBI/Providers/DetPedestalRetrievalAlg.h"

namespace lariov{

  /**
     \class SIOVDetPedestalService
     art service implementation of DetPedestalService.  Implements
     a detector pedestal retrieval service for database scheme in which
     all elements in a database folder share a common interval of validity
  */
  class SIOVDetPedestalService : public DetPedestalService {

    public:

      SIOVDetPedestalService(fhicl::ParameterSet const& pset, art::ActivityRegistry& reg);
      ~SIOVDetPedestalService(){}

      void PreProcessEvent(const art::Event& evt, art::ScheduleContext) {
        fProvider.UpdateTimeStamp(evt.time().value());
      }

    private:

      const DetPedestalProvider& DoGetPedestalProvider() const override {
        return fProvider;
      }

      DetPedestalRetrievalAlg fProvider;
  };
}//end namespace lariov

DECLARE_ART_SERVICE_INTERFACE_IMPL(lariov::SIOVDetPedestalService, lariov::DetPedestalService, LEGACY)


namespace lariov{

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

}//end namespace lariov

DEFINE_ART_SERVICE_INTERFACE_IMPL(lariov::SIOVDetPedestalService, lariov::DetPedestalService)