TSCBLBuilderWithPropagatorESProducer.cc

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//
// Original Author:  Matt Rudolph
//         Created:  Sat Mar 28 20:13:08 CET 2009
//
//

// system include files
#include <memory>

// user include files
#include "FWCore/Framework/interface/ModuleFactory.h"
#include "FWCore/Framework/interface/ESProducer.h"
#include "FWCore/Framework/interface/ESHandle.h"

#include "TrackingTools/PatternTools/interface/TrajectoryStateClosestToBeamLineBuilder.h"
#include "TrackingTools/PatternTools/interface/TSCBLBuilderWithPropagator.h"
#include "TrackingTools/Records/interface/TrackingComponentsRecord.h"

//
// class decleration
//

class TSCBLBuilderWithPropagatorESProducer : public edm::ESProducer {
public:
  TSCBLBuilderWithPropagatorESProducer(const edm::ParameterSet&);
  ~TSCBLBuilderWithPropagatorESProducer() override;

  typedef std::unique_ptr<TrajectoryStateClosestToBeamLineBuilder> ReturnType;

  ReturnType produce(const TrackingComponentsRecord&);

private:
  // ----------member data ---------------------------
  edm::ParameterSet pset_;
};

//
// constants, enums and typedefs
//

//
// static data member definitions
//

//
// constructors and destructor
//
TSCBLBuilderWithPropagatorESProducer::TSCBLBuilderWithPropagatorESProducer(const edm::ParameterSet& p) {
  //the following line is needed to tell the framework what
  // data is being produced
  std::string myName = p.getParameter<std::string>("ComponentName");
  pset_ = p;
  setWhatProduced(this, myName);

  //now do what ever other initialization is needed
}

TSCBLBuilderWithPropagatorESProducer::~TSCBLBuilderWithPropagatorESProducer() {
  // do anything here that needs to be done at desctruction time
  // (e.g. close files, deallocate resources etc.)
}

//
// member functions
//

// ------------ method called to produce the data  ------------
TSCBLBuilderWithPropagatorESProducer::ReturnType TSCBLBuilderWithPropagatorESProducer::produce(
    const TrackingComponentsRecord& iRecord) {
  using namespace edm::es;
  std::string propname = pset_.getParameter<std::string>("Propagator");

  edm::ESHandle<Propagator> theProp;
  iRecord.get(propname, theProp);

  const Propagator* pro = theProp.product();

  auto pTSCBLBuilderWithPropagator = std::make_unique<TSCBLBuilderWithPropagator>(*pro);

  return pTSCBLBuilderWithPropagator;
}

//define this as a plug-in
DEFINE_FWK_EVENTSETUP_MODULE(TSCBLBuilderWithPropagatorESProducer);