MuonNumbering/plugins/MuonNumberingInitialization.cc

0001 // -*- C++ -*-
0002 //
0003 // Package:    MuonNumberingInitialization
0004 // Class:      MuonNumberingInitialization
0005 //
0006 /**\class MuonNumberingInitialization MuonNumberingInitialization.h Geometry/MuonNumberingInitialization/interface/MuonNumberingInitialization.h
0007
0008  Description: <one line class summary>
0009
0010  Implementation:
0011      <Notes on implementation>
0012 */
0013 //
0014 // Original Author:  Michael Case
0015 //         Created:  Thu Sep 28 16:40:29 PDT 2006
0016 //
0017 //
0018
0019 #include <memory>
0020
0021 #include "FWCore/Framework/interface/ModuleFactory.h"
0022 #include "FWCore/Framework/interface/ESProducer.h"
0023 #include "FWCore/Framework/interface/ESTransientHandle.h"
0024
0025 #include "Geometry/MuonNumbering/interface/MuonDDDConstants.h"
0026 #include "Geometry/Records/interface/MuonNumberingRecord.h"
0027
0028 class MuonNumberingInitialization : public edm::ESProducer {
0029 public:
0030   MuonNumberingInitialization(const edm::ParameterSet&);
0031
0032   using ReturnType = std::unique_ptr<MuonDDDConstants>;
0033
0034   ReturnType produce(const MuonNumberingRecord&);
0035
0036 private:
0037   const edm::ESGetToken<DDCompactView, IdealGeometryRecord> geomToken_;
0038 };
0039
0040 MuonNumberingInitialization::MuonNumberingInitialization(const edm::ParameterSet&)
0041     : geomToken_{setWhatProduced(this).consumes()} {}
0042
0043 MuonNumberingInitialization::ReturnType MuonNumberingInitialization::produce(const MuonNumberingRecord& iRecord) {
0044   edm::ESTransientHandle<DDCompactView> pDD = iRecord.getTransientHandle(geomToken_);
0045
0046   return std::make_unique<MuonDDDConstants>(*pDD);
0047 }
0048
0049 DEFINE_FWK_EVENTSETUP_MODULE(MuonNumberingInitialization);