DetailedOutputAggregator.h

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// @(#)root/roostats:$Id$
// Author: Sven Kreiss, Kyle Cranmer   Nov 2010
/*************************************************************************
 * Copyright (C) 1995-2008, 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 ROOSTATS_DetailedOutputAggregator
#define ROOSTATS_DetailedOutputAggregator
 
#include "TString.h"
 
class RooAbsCollection;
class RooFitResult;
class RooDataSet;
class RooArgList;
class RooArgSet;
 
namespace RooStats {
 
   class DetailedOutputAggregator {
 
   public:
 
      /// Translate the given fit result to a RooArgSet in a generic way.
      /// Prefix is prepended to all variable names.
      /// Note that the returned set is managed by the user and the user must
      /// explicitly delete all the set content (the returned set does not own the content)
      static RooArgSet *GetAsArgSet(RooFitResult *result, TString prefix="", bool withErrorsAndPulls=false);
 
      DetailedOutputAggregator() {
         fResult = nullptr;
         fBuiltSet = nullptr;
      }
 
      /// For each variable in aset, prepend prefix to its name and add
      /// to the internal store. Note this will not appear in the produced
      /// dataset unless CommitSet is called.
      void AppendArgSet(const RooAbsCollection *aset, TString prefix="");
 
      const RooArgList* GetAsArgList() const {
         // Returns this set of detailed output.
         // Note that the ownership of the returned list is not transferred
         // It is managed by the DetailedOutputAggregator class
         return fBuiltSet;
      }
 
      /// Commit to the result RooDataSet.
      void CommitSet(double weight=1.0);
 
      RooDataSet *GetAsDataSet(TString name, TString title);
 
      virtual ~DetailedOutputAggregator();
 
   private:
 
      RooDataSet *fResult;
      RooArgList *fBuiltSet;
 
   protected:
      ClassDef(DetailedOutputAggregator,1)
   };
}
 
#endif