HitAlgoMakerToolBase.h

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#ifndef LARANA_OPTICALDETECTOR_HITALGOMAKERTOOLBASE_H
#define LARANA_OPTICALDETECTOR_HITALGOMAKERTOOLBASE_H

// LArSoft libraries
#include "larana/OpticalDetector/IHitAlgoMakerTool.h"
#include "larana/OpticalDetector/OpHitFinder/PMTPulseRecoBase.h"
#include "larana/OpticalDetector/OpHitFinder/RiseTimeTools/RiseTimeCalculatorBase.h"

// framework libraries
#include "art/Utilities/ToolConfigTable.h"
#include "art/Utilities/make_tool.h"
#include "fhiclcpp/ParameterSet.h"
#include "fhiclcpp/types/DelegatedParameter.h"
#include "fhiclcpp/types/OptionalDelegatedParameter.h"

namespace opdet {
  template <class HitAlgoClass>
  class HitAlgoMakerToolBase;
}

template <class HitAlgoClass>
class opdet::HitAlgoMakerToolBase : public opdet::IHitAlgoMakerTool {

public:
  struct Config {

    fhicl::DelegatedParameter HitAlgoPset{
      fhicl::Name{"HitAlgoPset"},
      fhicl::Comment{"configuration of the hit finder algorithm"}};

    fhicl::OptionalDelegatedParameter RiseTimeCalculator{
      fhicl::Name{"RiseTimeCalculator"},
      fhicl::Comment{"configuration of the rise time calculator algorithm"}};

  }; // struct Config

  using Parameters = art::ToolConfigTable<Config>;

  HitAlgoMakerToolBase(Parameters const& params);

  virtual std::unique_ptr<pmtana::PMTPulseRecoBase> makeAlgo() override;

protected:
  Config fConfig; 

}; // opdet::HitAlgoMakerToolBase

// -----------------------------------------------------------------------------
// ---  template implementation
// -----------------------------------------------------------------------------
template <class HitAlgoClass>
opdet::HitAlgoMakerToolBase<HitAlgoClass>::HitAlgoMakerToolBase(Parameters const& params)
  : fConfig{params()}
{}

// -----------------------------------------------------------------------------
template <class HitAlgoClass>
std::unique_ptr<pmtana::PMTPulseRecoBase> opdet::HitAlgoMakerToolBase<HitAlgoClass>::makeAlgo()
{

  std::unique_ptr<pmtana::RiseTimeCalculatorBase> riseCalcAlgo =
    fConfig.RiseTimeCalculator.hasValue() ?
      art::make_tool<pmtana::RiseTimeCalculatorBase>(
        fConfig.RiseTimeCalculator.template get_if_present<fhicl::ParameterSet>().value()) :
      nullptr;

  return std::make_unique<HitAlgoClass>(fConfig.HitAlgoPset.template get<fhicl::ParameterSet>(),
                                        std::move(riseCalcAlgo));

} // opdet::HitAlgoMakerToolBase::makeAlgo()

// -----------------------------------------------------------------------------

#endif // LARANA_OPTICALDETECTOR_HITALGOMAKERTOOLBASE_H