BkgTruthClusterVarSet.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
#pragma once
 
#include <tracking/trackingUtilities/varsets/VarSet.h>
#include <tracking/trackingUtilities/varsets/VarNames.h>
 
namespace Belle2 {
  namespace TrackingUtilities {
    class CDCWireHitCluster;
  }
  namespace TrackFindingCDC {

    constexpr
    static char const* const bkgTruthClusterNames[] = {
      "n_background_hits_truth",
      "background_fraction_truth",
      "weight",
      "truth",
    };

    struct BkgTruthClusterVarNames : public TrackingUtilities::VarNames<TrackingUtilities::CDCWireHitCluster> {

      // we shouldn't use public member variables but we do want to rewrite all related code using setters/getters
      // at least tell cppcheck that everything is fine
      // cppcheck-suppress duplInheritedMember
      static const size_t nVars = TrackingUtilities::size(bkgTruthClusterNames);

      static constexpr char const* getName(int iName)
      {
        return bkgTruthClusterNames[iName];
      }
    };

    class BkgTruthClusterVarSet : public TrackingUtilities::VarSet<BkgTruthClusterVarNames> {
 
    private:
      using Super = TrackingUtilities::VarSet<BkgTruthClusterVarNames>;
 
    public:
      void initialize() override;

      void beginEvent() override;

      bool extract(const TrackingUtilities::CDCWireHitCluster* ptrCluster) final;
    };
  }
}