MuonPOGStandardCut.cc

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#include "PhysicsTools/SelectorUtils/interface/CutApplicatorBase.h"
#include "PhysicsTools/SelectorUtils/interface/CutApplicatorWithEventContentBase.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "DataFormats/MuonReco/interface/Muon.h"
#include "DataFormats/MuonReco/interface/MuonSelectors.h"

class MuonPOGStandardCut : public CutApplicatorWithEventContentBase {
public:
  MuonPOGStandardCut(const edm::ParameterSet& c);

  result_type operator()(const reco::MuonPtr&) const final;
  CandidateType candidateType() const final { return MUON; }

  void setConsumes(edm::ConsumesCollector&) final;
  void getEventContent(const edm::EventBase&) final;

  double value(const reco::CandidatePtr& cand) const final;

private:
  enum CutType { LOOSE, MEDIUM, TIGHT, SOFT, HIGHPT, NONE } cutType_;
  edm::Handle<reco::VertexCollection> vtxs_;
};
DEFINE_EDM_PLUGIN(CutApplicatorFactory, MuonPOGStandardCut, "MuonPOGStandardCut");

// Define constructors and initialization routines
MuonPOGStandardCut::MuonPOGStandardCut(const edm::ParameterSet& c) : CutApplicatorWithEventContentBase(c) {
  const auto cutTypeName = c.getParameter<std::string>("idName");
  if (cutTypeName == "loose")
    cutType_ = LOOSE;
  else if (cutTypeName == "tight")
    cutType_ = TIGHT;
  else if (cutTypeName == "medium")
    cutType_ = MEDIUM;
  else if (cutTypeName == "soft")
    cutType_ = SOFT;
  else if (cutTypeName == "highpt")
    cutType_ = HIGHPT;
  else {
    edm::LogError("MuonPOGStandardCut") << "Wrong cut id name, " << cutTypeName;
    cutType_ = NONE;
  }

  contentTags_.emplace("vertices", c.getParameter<edm::InputTag>("vertexSrc"));
}

void MuonPOGStandardCut::setConsumes(edm::ConsumesCollector& cc) {
  auto vtcs = cc.consumes<reco::VertexCollection>(contentTags_["vertices"]);
  contentTokens_.emplace("vertices", vtcs);
}

void MuonPOGStandardCut::getEventContent(const edm::EventBase& ev) { ev.getByLabel(contentTags_["vertices"], vtxs_); }

// Functors for evaluation
CutApplicatorBase::result_type MuonPOGStandardCut::operator()(const reco::MuonPtr& cand) const {
  switch (cutType_) {
    case LOOSE:
      return muon::isLooseMuon(*cand);
      break;
    case TIGHT:
      return muon::isTightMuon(*cand, vtxs_->at(0));
      break;
    case MEDIUM:
      return muon::isMediumMuon(*cand);
      break;
    case SOFT:
      return muon::isSoftMuon(*cand, vtxs_->at(0));
      break;
    case HIGHPT:
      return muon::isHighPtMuon(*cand, vtxs_->at(0));
      break;
    case NONE:
      return false;
      break;
  }

  return true;
}

double MuonPOGStandardCut::value(const reco::CandidatePtr& cand) const {
  edm::Ptr<reco::Muon> mu(cand);
  switch (cutType_) {
    case LOOSE:
      return muon::isLooseMuon(*mu);
      break;
    case TIGHT:
      return muon::isTightMuon(*mu, vtxs_->at(0));
      break;
    case MEDIUM:
      return muon::isMediumMuon(*mu);
      break;
    case SOFT:
      return muon::isSoftMuon(*mu, vtxs_->at(0));
      break;
    case HIGHPT:
      return muon::isHighPtMuon(*mu, vtxs_->at(0));
      break;
    case NONE:
      return 0.0;
      break;
  }
  return 1.0;
}