Expert.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
#ifndef INCLUDE_GUARD_BELLE2_MVA_EXPERT_HEADER
#define INCLUDE_GUARD_BELLE2_MVA_EXPERT_HEADER
 
#include <mva/interface/Options.h>
#include <mva/interface/Dataset.h>
#include <mva/interface/Weightfile.h>
 
#include <vector>
 
namespace Belle2 {
  namespace MVA {

    class Expert {
    public:
      Expert() = default;

      virtual void load(Weightfile& weightfile) = 0;

      virtual std::vector<float> apply(Dataset& test_data) const = 0;

      virtual std::vector<std::vector<float>> applyMulticlass(Dataset& test_data) const
      {
 
        B2ERROR("Attempted to call applyMulticlass() of the abstract base class MVA::Expert. All methods that support multiclass classification should override this definition.");
        (void) test_data;
 
        return std::vector<std::vector<float>>();
      };
      virtual std::vector<std::vector<float>> applyMulticlass(Dataset& test_data) const {…}

      virtual ~Expert() = default;
    protected:
      GeneralOptions m_general_options; 
    };
    class Expert {…};
 
  }
}
#endif