TypelessConstAccessor.h

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// This file's extension implies that it's C, but it's really -*- C++ -*-.
/*
 * Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration.
 */
#ifndef ATHCONTAINERS_TYPELESSCONSTACCESSOR_H
#define ATHCONTAINERS_TYPELESSCONSTACCESSOR_H
 
 
#include "AthContainersInterfaces/AuxTypes.h"
#include "AthContainersInterfaces/IAuxElement.h"
#include "AthContainers/AuxVectorData.h"
#include "AthContainers/tools/AuxElementConcepts.h"
#include <string>
#include <typeinfo>
 
 
namespace SG {
 
 
class TypelessConstAccessor
{
public:
  TypelessConstAccessor (const std::string& name);
 
 
  TypelessConstAccessor (const std::type_info& ti,
                         const std::string& name);
 
 
  TypelessConstAccessor (const std::string& name,
                         const std::string& clsname);
 
 
  TypelessConstAccessor (const std::type_info& ti,
                         const std::string& name,
                         const std::string& clsname);
 
 
  template <class ELT>
  ATH_REQUIRES( IsConstAuxElement<ELT> )
  const void* operator() (const ELT& e) const;
    
 
  const void* operator() (const AuxVectorData& container, size_t index) const;
 
    
  const void* getDataArray (const AuxVectorData& container) const;
    
 
  template <class ELT>
  ATH_REQUIRES( IsConstAuxElement<ELT> )
  bool isAvailable (const ELT& e) const;
 
 
  SG::auxid_t auxid() const;
 
 
protected:
  SG::auxid_t m_auxid;
 
  size_t m_eltSize;
};
 
 
} // namespace SG
 
 
#include "AthContainers/TypelessConstAccessor.icc"
 
 
#endif // not ATHCONTAINERS_TYPELESSCONSTACCESSOR_H