reco::PFCandidateFwdPtrFactory Class Reference

Creates a FwdPtr<PFCandidate> from an input PFCandidate. If the PFCandidate has a valid sourceCandidatePtr, that is used for the FwdPtr's "backPtr". More...

#include "CommonTools/ParticleFlow/interface/PFCandidateFwdPtrFactory.h"

Public Member Functions
edm::FwdPtr< reco::PFCandidate >	operator() (edm::View< reco::PFCandidate > const &view, unsigned int i) const

Detailed Description

Creates a FwdPtr<PFCandidate> from an input PFCandidate. If the PFCandidate has a valid sourceCandidatePtr, that is used for the FwdPtr's "backPtr".

Author

Salvatore Rappoccio

Definition at line 17 of file PFCandidateFwdPtrFactory.h.

Member Function Documentation

edm::FwdPtr<reco::PFCandidate> reco::PFCandidateFwdPtrFactory::operator() ( edm::View< reco::PFCandidate > const &  view, unsigned int  i  ) const

inline

Definition at line 18 of file PFCandidateFwdPtrFactory.h.

References edm::Ptr< T >::isAvailable(), edm::Ptr< T >::isNonnull(), reco::PFCandidate::numberOfSourceCandidatePtrs(), edm::View< T >::ptrAt(), and reco::PFCandidate::sourceCandidatePtr().

                                                                                                          { 
      edm::Ptr<reco::PFCandidate> ptr = view.ptrAt(i);
      edm::Ptr<reco::PFCandidate> backPtr = ptr;
      if ( ptr.isNonnull() && ptr.isAvailable() && ptr->numberOfSourceCandidatePtrs() > 0 ) {
        edm::Ptr<reco::Candidate> basePtr = ptr->sourceCandidatePtr(0);
        if (basePtr.isNonnull() && basePtr.isAvailable())
          backPtr = edm::Ptr<reco::PFCandidate>( basePtr );//this cast works only for available stuff
      }
      return edm::FwdPtr<reco::PFCandidate>(ptr,backPtr); 
    }