TBulkBranchRead.hxx

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// Author: Brian Bockelman 14/06/17
 
/*************************************************************************
 * Copyright (C) 1995-2017, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
 
#ifndef ROOT_TBulkBranchRead
#define ROOT_TBulkBranchRead
 
//////////////////////////////////////////////////////////////////////////
//                                                                      //
// TBulkBranchRead                                                      //
//                                                                      //
// TBulkBranchRead is used to check if a branch supports bulk API;      //
// it also includes a set of API that allows reading serialized data    //
// directly into user-defined buffer without going through ROOT-        //
// deserialization code path by default.                                //
//////////////////////////////////////////////////////////////////////////
 
#include "TBranch.h"
 
namespace ROOT {
namespace Experimental {
namespace Internal {
 
class TBulkBranchRead {
 
   friend class ::TBranch;
 
public:
   Int_t  GetBulkEntries(Long64_t evt, TBuffer& user_buf);
   Int_t  GetEntriesSerialized(Long64_t evt, TBuffer& user_buf);
   Int_t  GetEntriesSerialized(Long64_t evt, TBuffer& user_buf, TBuffer* count_buf);
   Bool_t SupportsBulkRead() const;
 
private:
   TBulkBranchRead(TBranch &parent)
      : fParent(parent)
   {}
 
   TBranch &fParent;
};
 
}  // Internal
}  // Experimental
}  // ROOT
 
#endif  // ROOT_TBulkBranchRead