IObjectAssociator.h

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/*
  Copyright (C) 2002-2018 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef ASSOCIATIONUTILS_IOBJECTASSOCIATOR_H
#define ASSOCIATIONUTILS_IOBJECTASSOCIATOR_H
 
// EDM includes
#include <xAODBase/ObjectType.h>
 
// Columnar includes
#include "ColumnarCore/ColumnarTool.h"
#include "ColumnarCore/ParticleDef.h"
 
namespace ORUtils
{

  class IParticleAssociator : public columnar::ColumnarTool<>
  {
    public:
      virtual ~IParticleAssociator(){};

      virtual StatusCode setObjectTypes (xAODType::ObjectType type1,
                                   xAODType::ObjectType type2) = 0;

      virtual bool objectsMatch(columnar::Particle1Id p1,
                                columnar::Particle2Id p2, bool swapArgs = false) const = 0;
      bool objectsMatch(columnar::Particle2Id p2,
                        columnar::Particle1Id p1) const
      { return objectsMatch(p1, p2, true); }
  };
 
} // namespace ORUtils
 
#endif