IOverlapTool.h

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/*
  Copyright (C) 2002-2018 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef ASSOCIATIONUTILS_IOVERLAPTOOL_H
#define ASSOCIATIONUTILS_IOVERLAPTOOL_H
 
// Framework includes
#include "AsgTools/IAsgTool.h"
#include "AsgTools/CurrentContext.h"
 
// EDM includes
#include "xAODBase/IParticleContainer.h"
 
// Columnar includes
#include "ColumnarCore/ObjectRange.h"
#include "ColumnarCore/ParticleDef.h"
 
namespace ORUtils
{

  class IOverlapTool : virtual public asg::IAsgTool
  {

      ASG_TOOL_INTERFACE(IOverlapTool)
 
    public:

      virtual StatusCode findOverlaps(columnar::Particle1Range cont1,
                                      columnar::Particle2Range cont2,
                                      columnar::EventContextId eventContext) const = 0;
      StatusCode findOverlaps(const xAOD::IParticleContainer& cont1,
                              const xAOD::IParticleContainer& cont2,
                              const EventContext& eventContext = Gaudi::Hive::currentContext()) const {
        return findOverlaps(
          columnar::Particle1Range(cont1),
          columnar::Particle2Range(cont2),
          eventContext);
      }
 
  }; // class IOverlapTool
 
} // namespace ORUtils
 
#endif