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#ifndef Candidate_CandidateWithRef_h
#define Candidate_CandidateWithRef_h
/** \class reco::CandidateWithRef
*
* Reco Candidates with a generic reference as component
*
* \author Luca Lista, INFN
*
*
*/
#include "DataFormats/Candidate/interface/Candidate.h"
#include "DataFormats/Candidate/interface/LeafCandidate.h"
#include "DataFormats/Common/interface/RefToBase.h"
namespace reco {
template <typename Ref>
class CandidateWithRef : public LeafCandidate {
public:
typedef Ref reference;
/// default constructor
CandidateWithRef() : LeafCandidate() {}
/// constructor from values
CandidateWithRef(const LorentzVector &p4, Charge q = 0, const Point &vtx = Point(0, 0, 0))
: LeafCandidate(q, p4, vtx) {}
/// destructor
~CandidateWithRef() override;
/// returns a clone of the candidate
CandidateWithRef *clone() const override;
/// set reference
void setRef(const Ref &r) { ref_ = r; }
/// reference
reference ref() const { return ref_; }
CMS_CLASS_VERSION(13)
private:
/// check overlap with another candidate
bool overlap(const Candidate &) const override;
/// reference to a CaloRecHit
reference ref_;
};
// the following has to be added for any single Ref type
// GET_DEFAULT_CANDIDATE_COMPONENT( CandidateWithRef<Ref>, CandidateWithRef<Ref>::reference, ref )
template <typename Ref>
CandidateWithRef<Ref>::~CandidateWithRef() {}
template <typename Ref>
CandidateWithRef<Ref> *CandidateWithRef<Ref>::clone() const {
return new CandidateWithRef<Ref>(*this);
}
template <typename Ref>
bool CandidateWithRef<Ref>::overlap(const Candidate &c) const {
const CandidateWithRef *o = dynamic_cast<const CandidateWithRef *>(&c);
if (o == nullptr)
return false;
if (ref().isNull())
return false;
if (o->ref().isNull())
return false;
return (ref() != o->ref());
}
} // namespace reco
#endif
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