EvtStringParticle.hh

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#ifndef EVTSTRINGPARTICLE_HH
#define EVTSTRINGPARTICLE_HH

#include "EvtGenBase/EvtId.hh"
#include "EvtGenBase/EvtParticle.hh"

// Description: EvtStringParticle particle is a class to keep the
//              collection of partons that are generated by jetset.
//              This is supposedly the _only_ use of this particle.

class EvtStringParticle : public EvtParticle {
  public:
    void init( EvtId id, const EvtVector4R& p4 ) override;
    void initPartons( int npartons, EvtVector4R* p4partons, EvtId* idpartons );
    int getNPartons();
    EvtId getIdParton( int i );
    EvtVector4R getP4Parton( int i );
    EvtSpinDensity rotateToHelicityBasis() const override;
    EvtSpinDensity rotateToHelicityBasis( double alpha, double beta,
                                          double gamma ) const override;

  private:
    std::vector<EvtVector4R> _p4partons;
    std::vector<EvtId> _idpartons;

    EvtStringParticle& operator=( const EvtStringParticle& d );
};
#endif