/data/refman/pasoursint/CMSSW_6_1_2_SLHC2/src/RecoMuon/DetLayers/plugins/MuonDetLayerGeometryESProducer.cc

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#include <RecoMuon/DetLayers/plugins/MuonDetLayerGeometryESProducer.h>
#include <Geometry/Records/interface/MuonGeometryRecord.h>

#include <Geometry/DTGeometry/interface/DTGeometry.h>
#include <Geometry/CSCGeometry/interface/CSCGeometry.h>
#include <Geometry/RPCGeometry/interface/RPCGeometry.h>

#include <RecoMuon/DetLayers/src/MuonCSCDetLayerGeometryBuilder.h>
#include <RecoMuon/DetLayers/src/MuonRPCDetLayerGeometryBuilder.h>
#include <RecoMuon/DetLayers/src/MuonDTDetLayerGeometryBuilder.h>

#include <FWCore/Framework/interface/EventSetup.h>
#include <FWCore/Framework/interface/ESHandle.h>

#include <FWCore/MessageLogger/interface/MessageLogger.h>
#include <FWCore/Framework/interface/NoProxyException.h>

#include <memory>

using namespace edm;

MuonDetLayerGeometryESProducer::MuonDetLayerGeometryESProducer(const edm::ParameterSet & p){
  setWhatProduced(this);
}


MuonDetLayerGeometryESProducer::~MuonDetLayerGeometryESProducer(){}


boost::shared_ptr<MuonDetLayerGeometry>
MuonDetLayerGeometryESProducer::produce(const MuonRecoGeometryRecord & record) {

  const std::string metname = "Muon|RecoMuon|RecoMuonDetLayers|MuonDetLayerGeometryESProducer";
  MuonDetLayerGeometry* muonDetLayerGeometry = new MuonDetLayerGeometry();
  
  // Build DT layers  
  try {
    edm::ESHandle<DTGeometry> dt;
    record.getRecord<MuonGeometryRecord>().get(dt);
    if (dt.isValid()) {
      muonDetLayerGeometry->addDTLayers(MuonDTDetLayerGeometryBuilder::buildLayers(*dt));
    }
  } catch (edm::eventsetup::NoProxyException<DTGeometry>& e) {
    // No DT geo available: trap the exception.
    LogInfo(metname) << "No DT geometry is available."; 
  }

  // Build CSC layers
  try {
    edm::ESHandle<CSCGeometry> csc;
    record.getRecord<MuonGeometryRecord>().get(csc);
    if (csc.isValid()) {
      muonDetLayerGeometry->addCSCLayers(MuonCSCDetLayerGeometryBuilder::buildLayers(*csc));
    }
  } catch (edm::eventsetup::NoProxyException<CSCGeometry>& e) {
    // No CSC geo available: trap the exception.
    LogInfo(metname) << "No CSC geometry is available.";
  }
  
  // Build RPC layers
  try {
    edm::ESHandle<RPCGeometry> rpc;
    record.getRecord<MuonGeometryRecord>().get(rpc);
    if (rpc.isValid()) {
      muonDetLayerGeometry->addRPCLayers(MuonRPCDetLayerGeometryBuilder::buildBarrelLayers(*rpc),MuonRPCDetLayerGeometryBuilder::buildEndcapLayers(*rpc));
    }
    
  } catch (edm::eventsetup::NoProxyException<RPCGeometry>& e) {
    // No RPC geo available: trap the exception.
    LogInfo(metname) << "No RPC geometry is available.";
  }  
  

  // Sort layers properly
  muonDetLayerGeometry->sortLayers();

  return boost::shared_ptr<MuonDetLayerGeometry>(muonDetLayerGeometry);
}