HcalSimParametersESModule.cc

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#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
#include "FWCore/Framework/interface/ModuleFactory.h"
#include "FWCore/Framework/interface/ESProducer.h"
#include "FWCore/Framework/interface/ESTransientHandle.h"
#include "CondFormats/GeometryObjects/interface/HcalSimulationParameters.h"
#include "DetectorDescription/Core/interface/DDCompactView.h"
#include "DetectorDescription/DDCMS/interface/DDCompactView.h"
#include "Geometry/Records/interface/IdealGeometryRecord.h"
#include "Geometry/Records/interface/HcalParametersRcd.h"
#include "Geometry/HcalCommonData/interface/HcalSimParametersFromDD.h"
 
#include <memory>
 
//#define EDM_ML_DEBUG
 
class HcalSimParametersESModule : public edm::ESProducer {
public:
  HcalSimParametersESModule(const edm::ParameterSet&);
 
  using ReturnType = std::unique_ptr<HcalSimulationParameters>;
 
  static void fillDescriptions(edm::ConfigurationDescriptions&);
 
  ReturnType produce(const HcalParametersRcd&);
 
private:
  edm::ESGetToken<DDCompactView, IdealGeometryRecord> cpvTokenDDD_;
  edm::ESGetToken<cms::DDCompactView, IdealGeometryRecord> cpvTokenDD4Hep_;
  bool fromDD4Hep_;
};
 
HcalSimParametersESModule::HcalSimParametersESModule(const edm::ParameterSet& ps) {
  fromDD4Hep_ = ps.getParameter<bool>("fromDD4Hep");
  auto cc = setWhatProduced(this);
  if (fromDD4Hep_)
    cpvTokenDD4Hep_ = cc.consumesFrom<cms::DDCompactView, IdealGeometryRecord>(edm::ESInputTag());
  else
    cpvTokenDDD_ = cc.consumesFrom<DDCompactView, IdealGeometryRecord>(edm::ESInputTag());
 
#ifdef EDM_ML_DEBUG
  edm::LogVerbatim("HCalGeom") << "HcalSimParametersESModule::HcalSimParametersESModule called with dd4hep: "
                               << fromDD4Hep_;
#endif
}
 
void HcalSimParametersESModule::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
  edm::ParameterSetDescription desc;
  desc.add<bool>("fromDD4Hep", false);
  descriptions.add("hcalSimulationParameters", desc);
}
 
HcalSimParametersESModule::ReturnType HcalSimParametersESModule::produce(const HcalParametersRcd& iRecord) {
#ifdef EDM_ML_DEBUG
  edm::LogInfo("HCalGeom") << "HcalSimParametersESModule::produce(const HcalParametersRcd& iRecord)";
#endif
 
  auto ptp = std::make_unique<HcalSimulationParameters>();
  HcalSimParametersFromDD builder;
 
  if (fromDD4Hep_) {
#ifdef EDM_ML_DEBUG
    edm::LogVerbatim("HCalGeom") << "HcalSimParametersESModule::Try to access cms::DDCompactView";
#endif
    edm::ESTransientHandle<cms::DDCompactView> cpv = iRecord.getTransientHandle(cpvTokenDD4Hep_);
    builder.build(*cpv, *ptp);
  } else {
    edm::ESTransientHandle<DDCompactView> cpv = iRecord.getTransientHandle(cpvTokenDDD_);
    builder.build(&(*cpv), *ptp);
  }
  return ptp;
}
 
DEFINE_FWK_EVENTSETUP_MODULE(HcalSimParametersESModule);