GenericDecorBranch.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
#ifndef MUONTESTER_GENERICDECORBRANCH_H
#define MUONTESTER_GENERICDECORBRANCH_H
#include <MuonTesterTree/VectorBranch.h>
#include <functional>
 
namespace MuonVal{
  template<class AuxType, class dType>
      class GenericAuxEleBranch : public VectorBranch<dType>, virtual public IAuxElementDecorationBranch  {
          public:  
            using Filler_t = std::function<dType(const AuxType& )>;

            GenericAuxEleBranch(TTree* t, const std::string& branchName, Filler_t fillFunc);
            GenericAuxEleBranch(MuonTesterTree& t, const std::string& var_name, Filler_t fillFunc);
 
 
            void push_back(const SG::AuxElement* p) override;
            void push_back(const SG::AuxElement& p) override;
            void operator+=(const SG::AuxElement* p) override;
            void operator+=(const SG::AuxElement& p) override;
        
            using VectorBranch<dType>::push_back;
        
            virtual ~GenericAuxEleBranch() = default;
        private:
          Filler_t m_fillFunc;
    };
 
    template <class PartType, class dType> 
        class GenericPartDecorBranch: public GenericAuxEleBranch<PartType, dType>,  
                                      virtual public IParticleDecorationBranch {
          public:
              using GenericAuxEleBranch<PartType, dType>::GenericAuxEleBranch;
 
              using GenericAuxEleBranch<PartType, dType>::push_back;
              using GenericAuxEleBranch<PartType, dType>::operator+=;
 
              void push_back(const xAOD::IParticle* p) override;
              void push_back(const xAOD::IParticle& p) override;
              void operator+=(const xAOD::IParticle* p) override;
              void operator+=(const xAOD::IParticle& p) override;
    };
}
 
#include "MuonTesterTree/GenericDecorBranch.icc"
#endif