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File indexing completed on 2022-07-14 00:48:31

0001 #include "FWCore/Framework/interface/MakerMacros.h"
0002 
0003 #include "FWCore/Framework/interface/stream/EDAnalyzer.h"
0004 #include "FWCore/Framework/interface/Event.h"
0005 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0006 #include "FWCore/Utilities/interface/InputTag.h"
0007 
0008 #include "DataFormats/PatCandidates/interface/EventHypothesis.h"
0009 #include "DataFormats/PatCandidates/interface/EventHypothesisLooper.h"
0010 #include "DataFormats/Common/interface/ValueMap.h"
0011 #include "DataFormats/Math/interface/deltaR.h"
0012 
0013 #include "DataFormats/JetReco/interface/CaloJet.h"
0014 #include "DataFormats/MuonReco/interface/Muon.h"
0015 
0016 class TestEventHypothesisReader : public edm::stream::EDAnalyzer<> {
0017 public:
0018   TestEventHypothesisReader(const edm::ParameterSet &iConfig);
0019   void analyze(const edm::Event &iEvent, const edm::EventSetup &iSetup) override;
0020   void runTests(const pat::EventHypothesis &h);
0021 
0022 private:
0023   edm::EDGetTokenT<std::vector<pat::EventHypothesis> > hypsToken_;
0024   edm::EDGetTokenT<edm::ValueMap<double> > deltaRsHToken_;
0025 };
0026 
0027 TestEventHypothesisReader::TestEventHypothesisReader(const edm::ParameterSet &iConfig)
0028     : hypsToken_(consumes<std::vector<pat::EventHypothesis> >(iConfig.getParameter<edm::InputTag>("events"))),
0029       deltaRsHToken_(consumes<edm::ValueMap<double> >(
0030           edm::InputTag((iConfig.getParameter<edm::InputTag>("events")).label(), "deltaR"))) {}
0031 
0032 void TestEventHypothesisReader::runTests(const pat::EventHypothesis &h) {
0033   using namespace std;
0034   using namespace pat::eventhypothesis;
0035   cout << "Test 1: Print the muon " << h["mu"]->pt() << endl;
0036 
0037   for (size_t i = 0; i < h.count() - 2; ++i) {
0038     cout << "Test 2." << (i + 1) << ": Getting of the other jets: " << h.get("other jet", i)->et() << endl;
0039   }
0040 
0041   cout << "Test 3: count: " << (h.count() - 2) << " vs " << h.count("other jet") << endl;
0042 
0043   cout << "Test 4: regexp count: " << (h.count() - 1) << " vs " << h.count(".*jet") << endl;
0044 
0045   cout << "Test 5.0: all with muon: " << h.all("mu").size() << endl;
0046   cout << "Test 5.1: all with muon: " << h.all("mu").front()->pt() << endl;
0047   cout << "Test 5.2: all with other jets: " << h.all("other jet").size() << endl;
0048   cout << "Test 5.3: all with regex: " << h.all(".*jet").size() << endl;
0049 
0050   cout << "Test 6.0: get as : " << h.getAs<reco::CaloJet>("nearest jet")->maxEInHadTowers() << endl;
0051 
0052   cout << "Loopers" << endl;
0053   cout << "Test 7.0: simple looper on all" << endl;
0054   for (CandLooper jet = h.loop(); jet; ++jet) {
0055     cout << "\titem " << jet.index() << ", role " << jet.role() << ": " << jet->et() << endl;
0056   }
0057   cout << "Test 7.1: simple looper on jets" << endl;
0058   for (CandLooper jet = h.loop(".*jet"); jet; ++jet) {
0059     cout << "\titem " << jet.index() << ", role " << jet.role() << ": " << jet->et() << endl;
0060   }
0061   cout << "Test 7.2: loopAs on jets" << endl;
0062   for (Looper<reco::CaloJet> jet = h.loopAs<reco::CaloJet>(".*jet"); jet; ++jet) {
0063     cout << "\titem " << jet.index() << ", role " << jet.role() << ": " << jet->maxEInHadTowers() << endl;
0064   }
0065 }
0066 
0067 void TestEventHypothesisReader::analyze(const edm::Event &iEvent, const edm::EventSetup &iSetup) {
0068   using namespace edm;
0069   using namespace std;
0070   using reco::Candidate;
0071   using reco::CandidatePtr;
0072 
0073   Handle<vector<pat::EventHypothesis> > hyps;
0074   iEvent.getByToken(hypsToken_, hyps);
0075 
0076   Handle<ValueMap<double> > deltaRsH;
0077   iEvent.getByToken(deltaRsHToken_, deltaRsH);
0078   const ValueMap<double> &deltaRs = *deltaRsH;
0079 
0080   for (size_t i = 0, n = hyps->size(); i < n; ++i) {
0081     const pat::EventHypothesis &h = (*hyps)[i];
0082 
0083     std::cout << "Hypothesis " << (i + 1) << ": " << std::endl;
0084     CandidatePtr mu = h["mu"];
0085     std::cout << "   muon : pt = " << mu->pt() << ", eta = " << mu->eta() << ", phi = " << mu->phi() << std::endl;
0086     CandidatePtr jet = h["nearest jet"];
0087     std::cout << "   n jet: pt = " << jet->pt() << ", eta = " << jet->eta() << ", phi = " << jet->phi() << std::endl;
0088 
0089     for (pat::EventHypothesis::CandLooper j2 = h.loop("other jet"); j2; ++j2) {
0090       std::cout << "   0 jet: pt = " << j2->pt() << ", eta = " << j2->eta() << ", phi = " << j2->phi() << std::endl;
0091     }
0092 
0093     Ref<vector<pat::EventHypothesis> > key(hyps, i);
0094     std::cout << "   deltaR: " << deltaRs[key] << "\n" << std::endl;
0095 
0096     runTests(h);
0097   }
0098 
0099   std::cout << "Found " << hyps->size() << " possible options"
0100             << "\n\n"
0101             << std::endl;
0102 }
0103 
0104 DEFINE_FWK_MODULE(TestEventHypothesisReader);