RootAuxDynIO.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef ROOTAUXDYN_IO_H
#define ROOTAUXDYN_IO_H
 
#include "Gaudi/PluginService.h"
 
#include "RootAuxDynIO/IRootAuxDynIO.h"
 
namespace SG { class IAuxStoreIO; }
class TClass;
class TBranch;
 
namespace RootAuxDynIO
{
 
 class AuxDynAttrAccess
   {
   public:
      AuxDynAttrAccess(TClass& tc);
      bool hasAuxDynStore() const;
      
   protected:
      int auxStoreOffset(TClass &tc);
      SG::IAuxStoreIO* castIOStore(void *object);
 
      TClass&   m_holderType;
      int       m_ioStoreOffset;
   };
 
 
   std::string getKeyFromBranch(TBranch* branch);
 
 
   class FactoryTool : public IFactoryTool
   {
   public:
      using Factory = Gaudi::PluginService::Factory< IFactoryTool*() >;
 
      virtual std::unique_ptr<IRootAuxDynReader>
      getBranchAuxDynReader(TTree*, TBranch*) const override final;
 
      virtual std::unique_ptr<IRootAuxDynWriter>
      getBranchAuxDynWriter(TTree&, TClass&, int bufferSize, int splitLevel,
                            int offsettab_len, bool do_branch_fill) const override final;
 
      virtual std::unique_ptr<IRNTupleAuxDynWriter>
      getNTupleAuxDynWriter(TClass &tc) const override final;
 
      virtual std::unique_ptr<IRootAuxDynReader>
      getNTupleAuxDynReader(const std::string& field_name, const std::string& field_type,
                            ROOT::RNTupleReader* reader) const override final;
 
      virtual bool hasAuxStore(std::string_view fieldname, TClass *tc) const override final;
 
      virtual bool hasAuxStoreIO(TClass *tc) const override final;
 
      virtual bool isAuxDynBranch(TBranch *branch) const override final;
   };
 
}
 
#endif