/cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.31/xAODCore/xAODCore/tools/TDVCollectionProxy.h

// Dear emacs, this is -*- c++ -*-
// $Id: TDVCollectionProxy.h 687822 2015-08-06 07:58:06Z krasznaa $
#ifndef XAODCORE_TDVCOLLECTIONPROXY_H
#define XAODCORE_TDVCOLLECTIONPROXY_H

// System include(s):
#include <cstddef>

// ROOT include(s):
#include <TGenCollectionProxy.h>

// Forward declaration(s):
class TClass;

namespace xAOD {

   class TDVCollectionProxyDummy {};

   class TDVCollectionProxy
      : public TGenCollectionProxy {

   public:
      typedef TGenCollectionProxy::Sizing_t Sizing_t;

      TDVCollectionProxy( const char* conttype );
      TDVCollectionProxy( const TDVCollectionProxy& rhs );

      virtual void PushProxy( void* objstart );

      virtual TVirtualCollectionProxy* Generate() const;

      void SetResize( Sizing_t func );

   private:
      virtual TGenCollectionProxy* InitializeEx( Bool_t silent );
      void FindOffsets( const char* elttype,
                        const char* conttype );

      TString fName;
      Bool_t fInitialized;

      ptrdiff_t fContoff;
      ptrdiff_t fOffset;

      TClass* fEltBase;
      TClass* fEltType;

      // Disallow copying.
      TDVCollectionProxy& operator=( const TDVCollectionProxy& );

   }; // class TDVCollectionProxy

} // namespace xAOD

#endif // XAODCORE_TDVCOLLECTIONPROXY_H

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