fetchHcalAlgoData.cc

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#include "RecoLocalCalo/HcalRecAlgos/interface/fetchHcalAlgoData.h"
#include "FWCore/Framework/interface/ESHandle.h"

// Includes for AbsHcalAlgoData descendants
// and their corresponding records
#include "CondFormats/HcalObjects/interface/HFPhase1PMTParams.h"
#include "CondFormats/DataRecord/interface/HFPhase1PMTParamsRcd.h"

namespace {
  // Class Data must inherit from AbsHcalAlgoData
  // and must have a copy constructor. This function
  // returns an object allocated on the heap.
  template <class Data, class Record>
  Data* fetchHcalAlgoDataHelper(const edm::EventSetup& es) {
    edm::ESHandle<Data> p;
    es.get<Record>().get(p);
    return new Data(*p.product());
  }
}  // namespace

std::unique_ptr<AbsHcalAlgoData> fetchHcalAlgoData(const std::string& className, const edm::EventSetup& es) {
  AbsHcalAlgoData* data = nullptr;

  // Compare with possibe class names
  //
  if (className == "HFPhase1PMTParams")
    data = fetchHcalAlgoDataHelper<HFPhase1PMTParams, HFPhase1PMTParamsRcd>(es);

  return std::unique_ptr<AbsHcalAlgoData>(data);
}