PdgIdPFCandidateSelectorDefinition.h

Go to the documentation of this file.

#ifndef CommonTools_ParticleFlow_PdgIdPFCandidateSelectorDefinition
#define CommonTools_ParticleFlow_PdgIdPFCandidateSelectorDefinition

#include "FWCore/Common/interface/EventBase.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/ConsumesCollector.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "DataFormats/ParticleFlowCandidate/interface/PFCandidateFwd.h"
#include "DataFormats/ParticleFlowCandidate/interface/PFCandidate.h"
#include "CommonTools/ParticleFlow/interface/PFCandidateSelectorDefinition.h"

namespace pf2pat {

  class PdgIdPFCandidateSelectorDefinition : public PFCandidateSelectorDefinition {
  public:
    PdgIdPFCandidateSelectorDefinition(const edm::ParameterSet& cfg, edm::ConsumesCollector&& iC)
        : pdgIds_(cfg.getParameter<std::vector<int> >("pdgId")) {}

    void select(const HandleToCollection& hc, const edm::EventBase& e, const edm::EventSetup& s) {
      selected_.clear();

      unsigned key = 0;
      for (collection::const_iterator pfc = hc->begin(); pfc != hc->end(); ++pfc, ++key) {
        for (unsigned iId = 0; iId < pdgIds_.size(); iId++) {
          if (pfc->pdgId() == pdgIds_[iId]) {
            selected_.push_back(reco::PFCandidate(*pfc));
            reco::PFCandidatePtr ptrToMother(hc, key);
            selected_.back().setSourceCandidatePtr(ptrToMother);
            break;
          }
        }
      }
    }

  private:
    std::vector<int> pdgIds_;
  };

}  // namespace pf2pat

#endif