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#ifndef CommonTools_CandUtils_CandMapTrait_h
#define CommonTools_CandUtils_CandMapTrait_h
#include "DataFormats/Common/interface/AssociationMap.h"
#include "DataFormats/Candidate/interface/CandidateFwd.h"
/* \class reco::helper::CandMapTrait<T>
*
* \author Luca Lista, INFN
*
* \version $Id: CandMapTrait.h,v 1.2 2007/10/20 16:00:52 llista Exp $
*
*/
namespace reco {
namespace helper {
template <typename C1, typename C2 = C1>
struct CandMapTrait {
typedef edm::AssociationMap<edm::OneToOne<C1, C2> > type;
};
template <typename C1>
struct CandMapTrait<C1, CandidateView> {
typedef edm::AssociationMap<edm::OneToOneGeneric<C1, CandidateView> > type;
};
template <typename C2>
struct CandMapTrait<CandidateView, C2> {
typedef edm::AssociationMap<edm::OneToOneGeneric<CandidateView, C2> > type;
};
template <>
struct CandMapTrait<CandidateView, CandidateView> {
typedef edm::AssociationMap<edm::OneToOneGeneric<CandidateView, CandidateView> > type;
};
template <typename C>
struct CandRefTrait {
typedef edm::Ref<C> ref_type;
typedef edm::RefProd<C> refProd_type;
};
template <typename T>
struct CandRefTrait<edm::View<T> > {
typedef edm::RefToBase<T> ref_type;
typedef edm::RefToBaseProd<T> refProd_type;
};
} // namespace helper
} // namespace reco
#endif
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