IPhotonVertexSelectionTool.h

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/*
  Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef PhotonVertexSelection_IPhotonVertexSelectionTool_h
#define PhotonVertexSelection_IPhotonVertexSelectionTool_h
 
// Framework includes
#include "AsgTools/IAsgTool.h"
 
// EDM includes
#include "xAODTracking/VertexFwd.h"
#include "xAODEgamma/EgammaContainer.h"
#include "xAODEgamma/PhotonContainer.h"
 
// std includes
#include <vector>
 
// Forward declarations
namespace CP {
  class IPhotonPointingTool;
}
 
namespace CP {
 
  class IPhotonVertexSelectionTool : public virtual asg::IAsgTool {

    ASG_TOOL_INTERFACE(CP::IPhotonVertexSelectionTool)
 
  public:
    enum FailType {
      Unkown        = -99,  // Init value
      NoFail        =   0,  // Ok to run the MVA algorithm
      NoVxCont      =   1,  // No vertex container
      NoEventInfo   =   2,  // No EventInfo
      FailPointing  =   3,  // Calo pointing failed
      FailEgamVect  =   4,  // No diphoton event
      NoGdCandidate =   5,  // Pointing succeded but too distant from any other vertex
      MatchedTrack  =   6,  // Conversion photon has a track attached to a primary/pileup vertex
    };
 
    enum yyVtxType{
      Unknown       =  -1,  // Init value
      ConvTrack     =   0,  // conv track associated to vertex,
      SiConvTrack   =   1,  // at least one conv track with Si hits, 
      NoSiTracks    =   2,  // no tracks with Si hits or conversions ignored
    };

    virtual StatusCode decorateInputs(const xAOD::EgammaContainer &egammas, FailType* failType = nullptr) const = 0;

    virtual StatusCode getVertex(const xAOD::EgammaContainer &egammas, const xAOD::Vertex* &vertex, bool ignoreConv = false) const= 0;

    virtual std::vector< std::pair<const xAOD::Vertex*, float> > getVertex(const xAOD::EgammaContainer &egammas, bool ignoreConv = false, bool noDecorate = false, yyVtxType* vtxCase = nullptr, FailType* failType = nullptr) const = 0;

    virtual int getCase() const = 0;

    virtual const xAOD::Vertex* getPrimaryVertexFromConv(const xAOD::PhotonContainer *photons) const = 0;
 
  }; // class IPhotonVertexSelectionTool
 
} // namespace CP
 
 
#endif // PhotonVertexSelection_IPhotonVertexSelectionTool_h