PatUtils/plugins/PATCaloJetMETcorrInputProducer.cc

0001 #include "JetMETCorrections/Type1MET/interface/CaloJetMETcorrInputProducerT.h"
0002
0003 #include "FWCore/Utilities/interface/Exception.h"
0004
0005 #include "DataFormats/PatCandidates/interface/Jet.h"
0006
0007 #include "PhysicsTools/PatUtils/interface/PATJetCorrExtractor.h"
0008
0009 namespace CaloJetMETcorrInputProducer_namespace {
0010   template <>
0011   class InputTypeCheckerT<pat::Jet> {
0012   public:
0013     void operator()(const pat::Jet& jet) const {
0014       // check that pat::Jet is of Calo-type
0015       if (!jet.isCaloJet())
0016         throw cms::Exception("InvalidInput") << "Input pat::Jet is not of Calo-type !!\n";
0017     }
0018     bool isPatJet(const pat::Jet& jet) const { return true; }
0019   };
0020
0021   template <>
0022   class RawJetExtractorT<pat::Jet> {
0023   public:
0024     RawJetExtractorT() {}
0025
0026     reco::Candidate::LorentzVector operator()(const pat::Jet& jet) const {
0027       if (jet.jecSetsAvailable())
0028         return jet.correctedP4("Uncorrected");
0029       else
0030         return jet.p4();
0031     }
0032   };
0033 }  // namespace CaloJetMETcorrInputProducer_namespace
0034
0035 typedef CaloJetMETcorrInputProducerT<pat::Jet, PATJetCorrExtractor> PATCaloJetMETcorrInputProducer;
0036
0037 #include "FWCore/Framework/interface/MakerMacros.h"
0038
0039 DEFINE_FWK_MODULE(PATCaloJetMETcorrInputProducer);