MetDef.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
 
 
#ifndef COLUMNAR_MET_MET_DEF_H
#define COLUMNAR_MET_MET_DEF_H
 
#include <ColumnarCore/ContainerId.h>
#include <xAODBase/IParticleContainer.h>
 
namespace columnar
{
  namespace MetDef
  {
    using iplink_t = ElementLink<xAOD::IParticleContainer>;
 
    static const SG::AuxElement::ConstAccessor< iplink_t  > acc_originalObject("originalObjectLink");
    static const SG::AuxElement::ConstAccessor< iplink_t  > acc_nominalObject("nominalObjectLink");
 
    static const SG::AuxElement::Accessor< std::vector<iplink_t> > dec_constitObjLinks("ConstitObjectLinks");
    static const SG::AuxElement::Accessor< std::vector<float> > dec_constitObjWeights("ConstitObjectWeights");
  }
 
  template<ContainerId CI> requires (CI == ContainerId::met0 || CI == ContainerId::met1)
  struct ContainerIdTraits<CI> final
  {
    static constexpr bool isDefined = true;
    static constexpr bool isMutable = false;
    static constexpr bool perEventRange = true;
    static constexpr bool perEventId = false;
 
    using xAODObjectIdType = const xAOD::MissingET;
 
    using xAODObjectRangeType = const xAOD::MissingETContainer;
 
    using xAODElementLinkType = xAOD::MissingETContainer;
  };
 
  template<>
  struct ContainerIdTraits<ContainerId::mutableMet> final
  {
    static constexpr bool isDefined = true;
    static constexpr bool isMutable = true;
    static constexpr ContainerId constId = ContainerId::met;
    static constexpr bool perEventRange = true;
    static constexpr bool perEventId = false;
 
    using xAODObjectIdType = xAOD::MissingET;
 
    using xAODObjectRangeType = xAOD::MissingETContainer;
 
    using xAODElementLinkType = xAOD::MissingETContainer;
  };
 
  template<>
  struct ContainerIdTraits<ContainerId::metAssociation> final
  {
    static constexpr bool isDefined = true;
    static constexpr bool isMutable = false;
    static constexpr bool perEventRange = true;
    static constexpr bool perEventId = false;
 
    using xAODObjectIdType = const xAOD::MissingETAssociation;
 
    using xAODObjectRangeType = const xAOD::MissingETAssociationMap;
 
    using xAODElementLinkType = xAOD::MissingETAssociationMap;
  };
}
 
#endif