TFriendProxy.h

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// @(#)root/treeplayer:$Id$
// Author: Philippe Canal 01/06/2004
 
/*************************************************************************
 * Copyright (C) 1995-2004, Rene Brun and Fons Rademakers and al.        *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
 
#ifndef ROOT_TFriendProxy
#define ROOT_TFriendProxy
 
#include "TBranchProxyDirector.h"
 
class TTree;
 
namespace ROOT {
namespace Internal {
 
   class TFriendProxy {
   protected:
      TBranchProxyDirector fDirector; ///< Contain pointer to TTree and entry to be read
      Int_t  fIndex;                  ///< Index of this tree in the list of friends
      bool fHasIndex{false};          ///< Whether this friend has a TTreeIndex attached
 
   public:
      TFriendProxy();
      TFriendProxy(TBranchProxyDirector *director, TTree *main, Int_t index);
 
      TBranchProxyDirector *GetDirector() { return &fDirector; }
 
      Long64_t GetReadEntry() const;
      void     ResetReadEntry();
      void     Update(TTree *newmain);
      bool HasIndex() const { return fHasIndex; }
   };
 
} // namespace Internal
} // namespace ROOT
 
#endif