TAuxVector.h

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// Dear emacs, this is -*- c++ -*-
//
// Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
//
#ifndef XAODROOTACCESS_TOOLS_TAUXVECTOR_H
#define XAODROOTACCESS_TOOLS_TAUXVECTOR_H
 
// EDM include(s):
#include "AthContainersInterfaces/IAuxTypeVector.h"
#include "AthContainersInterfaces/IAuxTypeVectorFactory.h"
 
// Forward declaration(s):
class TClass;
class TVirtualCollectionProxy;
 
namespace xAOD {
   class TAuxVectorFactory;

   class TAuxVector : public SG::IAuxTypeVector {
 
   public:
      TAuxVector( const TAuxVectorFactory* factory,
                  SG::auxid_t auxid,
                  const ::TClass* cl, size_t size, size_t capacity,
                  bool isLinked );
      TAuxVector( const TAuxVector& parent );
      ~TAuxVector();

      TAuxVector& operator= ( const TAuxVector& other );


      virtual std::unique_ptr< SG::IAuxTypeVector > clone() const override;

      virtual void* toPtr() override;
      virtual const void* toPtr() const override;
      virtual void* toVector() override;

      virtual size_t size() const override;

      virtual bool resize( size_t sz ) override;
      virtual void reserve( size_t sz ) override;
      virtual bool shift( size_t pos, ptrdiff_t offs ) override;
      virtual bool insertMove (size_t pos,
                               void* src, size_t src_pos, size_t src_n,
                               SG::IAuxStore& srcStore) override;

 
  protected:
     virtual SG::AuxDataSpanBase getDataSpanImpl() const override final;

     void storeDataSpan();
 
 
   private:
      void copyRange( const void* src, void* dst, size_t n );
      // Function clearing the payload of a given range
      void clearRange( void* dst, size_t n );

      const TAuxVectorFactory* m_factory;
      std::unique_ptr<::TVirtualCollectionProxy> m_proxy;
      void* m_vec;
 
   }; // class TAuxVector
 
} // namespace xAOD
 
#endif // XAODROOTACCESS_TOOLS_TAUXVECTOR_H