xAODTMetaBranch.h

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// Dear emacs, this is -*- c++ -*-
//
// Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
//
#ifndef XAODROOTACCESS_TOOLS_XAODTMETABRANCH_H
#define XAODROOTACCESS_TOOLS_XAODTMETABRANCH_H
 
// System include(s):
#include <typeinfo>
 
// ROOT include(s):
#include <TBranchObject.h>
 
// Forward declaration(s).
namespace xAOD {
   class TEvent;
}

class xAODTMetaBranch : public ::TBranchObject {
 
public:
   xAODTMetaBranch( ::TTree& parent, xAOD::TEvent& event,
                    const std::type_info& ti, const char* brName,
                    const char* brType );
 
   // Note that the virtual functions are not marked with "override" because the
   // functions defined by ClassDef are not marked like that either. So using
   // "override" on just these functions would introduce a compile time warning.

   virtual ::Int_t GetEntry( ::Long64_t entry, ::Int_t getall );

   virtual ::TClass* IsA() const;
 
private:
   xAOD::TEvent* m_event; 
   const std::type_info* m_ti; 
   const void* m_object; 

#define IsA IsARoot
   ClassDef( xAODTMetaBranch, 0 )
#undef IsA
 
}; // class xAODTMetaBranch
 
#endif // XAODROOTACCESS_TOOLS_XAODTMETABRANCH_H