Event/EventKernel/EventKernel/IParticle.h

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// dear emacs, this is -*- C++ -*-
 
/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef EVENTKERNEL_IPARTICLE_H
#define EVENTKERNEL_IPARTICLE_H 1
//                                                                           //
//             Interface for Particle-like objects                           //
//                                                                           //
//             Created by: Kyle Cranmer <kyle.cranmer@cern.ch>               //
//                                                                           //
//                                                                           //
 
#include "AthenaKernel/CLASS_DEF.h"
#include "EventKernel/INavigable4Momentum.h"
#include "AthLinks/ElementLink.h"
 
#ifndef SIMULATIONBASE
#ifndef XAOD_ANALYSIS
// VxVertex includes
#include "VxVertex/VxContainer.h"
#endif
#endif
 
// Forward declarations
namespace Trk { class RecVertex; }
 

namespace ParticleDataType {
  enum DataType {Data = 0, Full = 1, FastShower = 2, Fast = 3, True = 4} ;
}

typedef double ChargeType ;
 
class IParticle : public virtual INavigable4Momentum
{
 public:
 
  virtual ~IParticle();

  virtual ParticleDataType::DataType dataType() const = 0;

  virtual const Trk::RecVertex* origin() const = 0;
 
#ifndef SIMULATIONBASE
#ifndef XAOD_ANALYSIS
  virtual const ElementLink<VxContainer>& originLink() const = 0;
#endif
#endif

  virtual bool hasCharge()         const  = 0;

  virtual ChargeType charge() const = 0;

  virtual bool hasPdgId()          const = 0;

  virtual int pdgId()     const = 0;
  
};
 
CLASS_DEF(IParticle, 154185086, 1)
#endif