VertexSorting.h

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#ifndef RecoBTag_SecondaryVertex_VertexSorting_h
#define RecoBTag_SecondaryVertex_VertexSorting_h

#include <vector>
#include <string>

#include "FWCore/ParameterSet/interface/ParameterSet.h"

#include "RecoBTag/SecondaryVertex/interface/SecondaryVertex.h"

namespace reco {

class VertexSorting {
    public:
    VertexSorting(const edm::ParameterSet &params);
    ~VertexSorting() {}

    std::vector<unsigned int>
    operator () (const std::vector<SecondaryVertex> &svCandidates) const;

    private:
    enum SortCriterium {
        sortDist3dVal = 0,
        sortDist3dErr,
        sortDist3dSig,
        sortDist2dErr,
        sortDist2dSig,
        sortDist2dVal
    };

    static SortCriterium getSortCriterium(const std::string &criterium);

    SortCriterium   sortCriterium;
};

} // namespace reco

#endif // RecoBTag_SecondaryVertex_VertexSorting_h