TGo4TreeProxy.h

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// $Id$
//-----------------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//         Experiment Data Processing at EE department, GSI
//-----------------------------------------------------------------------
// Copyright (C) 2000- GSI Helmholtzzentrum fuer Schwerionenforschung GmbH
//                     Planckstr. 1, 64291 Darmstadt, Germany
// Contact:            http://go4.gsi.de
//-----------------------------------------------------------------------
// This software can be used under the license agreements as stated
// in Go4License.txt file which is part of the distribution.
//-----------------------------------------------------------------------

#ifndef TGO4TREESLOT_H
#define TGO4TREESLOT_H

#include "TGo4Proxy.h"

class TTree;

class TGo4TreeProxy : public TGo4Proxy {
   public:
      TGo4TreeProxy();
      TGo4TreeProxy(TTree *tree, Bool_t owner = kFALSE);
      virtual ~TGo4TreeProxy();

      Bool_t HasSublevels() const override { return fTree!=nullptr; }

      TGo4LevelIter *MakeIter() override
        { return !fTree ? nullptr : ProduceIter(fTree); }

      std::unique_ptr<TGo4Access> ProvideAccess(const char *name) override
        { return CreateAccess(fTree, name); }

      Int_t GetObjectKind() const override;
      const char *GetContainedClassName() const override;

      static std::unique_ptr<TGo4Access> CreateAccess(TTree *tree, const char *name);
      static TGo4LevelIter *ProduceIter(TTree *tree);

   protected:
      TTree   *fTree{nullptr};   
      Bool_t   fOwner{kFALSE};  

   ClassDefOverride(TGo4TreeProxy, 1);
};

#endif