RDFDescription.hxx

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// Author: Ivan Kabadzhov, Enrico Guiraud CERN  01/2022
 
/*************************************************************************
 * Copyright (C) 1995-2022, 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_RDFDescription
#define ROOT_RDFDescription
 
#include <string>
 
namespace ROOT {
namespace RDF {
 
/**
\class ROOT::RDF::RDFDescription
\ingroup dataframe
\brief A DFDescription contains useful information about a given RDataFrame computation graph.
 
 A DFDescription is returned by the Describe() RDataFrame method.
 Each DFDescription object can output either a brief or full description.
*/
class RDFDescription {
 
   std::string fBriefDescription;
   std::string fFullDescription;
   unsigned int fFileCount;
 
public:
   RDFDescription(const std::string &briefDescription, const std::string &fullDescription, unsigned int filecount);
 
   std::string AsString(bool shortFormat = false) const;
 
   unsigned int GetNFiles() const { return fFileCount; }
 
   void Print(bool shortFormat = false) const;
 
   friend std::ostream &operator<<(std::ostream &os, const RDFDescription &description);
};
 
} // namespace RDF
} // namespace ROOT
 
/// Print an RDFDescription at the prompt
namespace cling {
std::string printValue(ROOT::RDF::RDFDescription *td);
} // namespace cling
 
#endif