// @(#)root/tmva $Id$
// Author: Andreas Hoecker, Peter Speckmayer, Joerg Stelzer, Helge Voss

/**********************************************************************************
 * Project: TMVA - a Root-integrated toolkit for multivariate data analysis       *
 * Package: TMVA                                                                  *
 * Class  : Results                                                               *
 *                                                                                *
 *                                                                                *
 * Description:                                                                   *
 *      Base-class for result-vectors                                             *
 *                                                                                *
 * Authors (alphabetical):                                                        *
 *      Andreas Hoecker <Andreas.Hocker@cern.ch> - CERN, Switzerland              *
 *      Peter Speckmayer <Peter.Speckmayer@cern.ch>  - CERN, Switzerland          *
 *      Joerg Stelzer   <Joerg.Stelzer@cern.ch>  - CERN, Switzerland              *
 *      Helge Voss      <Helge.Voss@cern.ch>     - MPI-K Heidelberg, Germany      *
 *                                                                                *
 * Copyright (c) 2006:                                                            *
 *      CERN, Switzerland                                                         *
 *      U. of Victoria, Canada                                                    *
 *      MPI-K Heidelberg, Germany                                                 *
 *                                                                                *
 * Redistribution and use in source and binary forms, with or without             *
 * modification, are permitted according to the terms listed in LICENSE           *
 * (see tmva/doc/LICENSE)                                                         *
 **********************************************************************************/

#ifndef ROOT_TMVA_Results
#define ROOT_TMVA_Results

//////////////////////////////////////////////////////////////////////////
//                                                                      //
// Results                                                              //
//                                                                      //
// Class that is the base-class for a vector of results                 //
//                                                                      //
//////////////////////////////////////////////////////////////////////////

#include <vector>
#include <map>

#include "TList.h"

#include "TMVA/Types.h"
#include "TMVA/DataSetInfo.h"

class TH1;
class TH2;
class TGraph;

namespace TMVA {

class DataSet;
class MsgLogger;

class Results : public TObject {

public:
   Results(const DataSetInfo *dsi, TString resultsName);
   Results();
   virtual ~Results();

   // setters
   void Store(TObject *obj, const char *alias = nullptr);
   void SetTreeType(Types::ETreeType type) { fTreeType = type; }

   // getters
   Types::ETreeType GetTreeType() const { return fTreeType; }
   const DataSetInfo *GetDataSetInfo() const { return fDsi; }
   DataSet *GetDataSet() const { return fDsi->GetDataSet(); }
   TList *GetStorage() const { return fStorage; }
   TObject *GetObject(const TString &alias) const;
   TH1 *GetHist(const TString &alias) const;
   TH2 *GetHist2D(const TString &alias) const;
   TGraph *GetGraph(const TString &alias) const;
   virtual Types::EAnalysisType GetAnalysisType() { return Types::kNoAnalysisType; }
   // test
   Bool_t DoesExist(const TString &alias) const;

   // delete all stored data
   //       using TObject::Delete;
   void Delete(Option_t *option = "") override;

   virtual const std::vector<Float_t> &operator[](Int_t ievt) const = 0;

private:
   Types::ETreeType fTreeType;               ///< tree type for this result
   const DataSetInfo *fDsi;                  ///<-> a pointer to the datasetinfo-object
   TList *fStorage;                          ///<-> stores all the result-histograms
   std::map<TString, TObject *> *fHistAlias; ///<-> internal map for quick access to stored histograms
   mutable MsgLogger *fLogger;               ///<! message logger
   MsgLogger &Log() const { return *fLogger; }

public:
   ClassDefOverride(Results, 2);
};
} // namespace TMVA

#endif
