JETAN/AliJetReader.h

   1 #ifndef ALIJETREADER_H
   2 #define ALIJETREADER_H
   3
   4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   5  * See cxx source for full Copyright notice                               */
   6
   7 // Jet reader base class
   8 // manages the reading of input for jet algorithms
   9 // Authors: jgcn@mda.cinvestav.mx
  10 //          Magali Estienne <magali.estienne@subatech.in2p3.fr>
  11
  12 #include <TObject.h>
  13 #include <TChain.h>
  14 #include <TArrayI.h>
  15
  16 class TTree;
  17 class TChain;
  18 class TTask;
  19 class TClonesArray;
  20 class TRefArray;
  21 class AliJetReaderHeader;
  22 class AliESDEvent;
  23 class AliHeader;
  24 class AliJetUnitArray;
  25 class AliJetHadronCorrection;
  26 class AliJet;
  27 class AliJetFillUnitArray;
  28
  29 class AliJetReader : public TObject
  30 {
  31  public:
  32   AliJetReader();
  33   virtual ~AliJetReader();
  34
  35   // Getters
  36   virtual TClonesArray*       GetMomentumArray()     const {return fMomentumArray;}
  37   virtual TRefArray*          GetReferences()        const {return 0;}
  38   virtual TClonesArray        *GetUnitArray() const {return fUnitArray;}
  39   virtual AliJetReaderHeader* GetReaderHeader()      const {return fReaderHeader;}
  40   virtual AliHeader           *GetAliHeader() const  {return fAliHeader;}
  41   virtual Int_t               GetSignalFlag(Int_t i) const {return fSignalFlag[i];}
  42   virtual Int_t               GetCutFlag(Int_t i)    const {return fCutFlag[i];}
  43   virtual Int_t               GetArrayInitialised()  const {return fArrayInitialised;}
  44   virtual Int_t               GetNumCandidate()      const {return fNumCandidate;}
  45   virtual Int_t               GetNumCandidateCut()   const {return fNumCandidateCut;}
  46
  47   // Setters
  48   virtual Bool_t FillMomentumArray() {return kTRUE;}
  49   virtual Bool_t ReadEventLoader(Int_t) {return kTRUE;}
  50   virtual void   InitUnitArray() {}
  51   virtual void   InitParameters() {}
  52   virtual void   CreateTasks(TChain* /*tree*/) {}
  53   virtual Bool_t ExecTasks(Bool_t /*procid*/, TRefArray* /*refArray*/) {return kFALSE;}
  54   // Correction of hadronic energy
  55   virtual void   SetHadronCorrector(AliJetHadronCorrection*) {;}
  56   virtual void   SetApplyMIPCorrection(Bool_t /*val*/){;}
  57   virtual void   SetApplyFractionHadronicCorrection(Bool_t /*val*/){;}
  58   virtual void   SetFractionHadronicCorrection(Double_t /*val*/){;}
  59   virtual void   SetApplyElectronCorrection(Int_t /*flag*/) {;}
  60   virtual void   SetReaderHeader(AliJetReaderHeader* header)
  61   {fReaderHeader = header;}
  62   virtual void   SetESD(AliESDEvent* esd) { fESD = esd;}
  63
  64   // Others
  65   virtual void   OpenInputFiles() {}
  66   virtual void   SetInputEvent(const TObject* /*esd*/, const TObject* /*aod*/, const TObject* /*mc*/) {;}
  67   virtual void   ConnectTree(TTree* /*tree*/, TObject* /*data*/) {}
  68   virtual Bool_t GetGenJets(AliJet* /*genJets*/) {return kFALSE;}
  69
  70   void ClearArray();
  71
  72  protected:
  73   AliJetReader(const AliJetReader& rJetReader);
  74   AliJetReader& operator = (const AliJetReader& rhsr);
  75
  76   TChain                          *fChain;                 // chain for reconstructed tracks
  77   TChain                          *fTree;                  // tree for reconstructed tracks
  78   TClonesArray                    *fMomentumArray;         // array of particle momenta
  79   TClonesArray                    *fArrayMC;               //! array of mc particles
  80   TTask                           *fFillUnitArray;         //! task list for filling the UnitArray
  81   AliESDEvent                     *fESD;                   // pointer to esd
  82   AliJetReaderHeader              *fReaderHeader;          // pointer to header
  83   AliHeader                       *fAliHeader;             // AliHeader
  84   TArrayI                          fSignalFlag;            // to flag if a particle comes from pythia or
  85                                                            // from the underlying event
  86   TArrayI                          fCutFlag;               // to flag if a particle passed the pt cut or not
  87   TClonesArray                    *fUnitArray;             // array of digit position and energy
  88   Bool_t                           fArrayInitialised;      // To check that array of units is initialised
  89   AliJetFillUnitArray             *fFillUAFromTracks;      // For charged particle task
  90   AliJetFillUnitArray             *fFillUAFromEMCalDigits; // For neutral particle task
  91   Int_t                            fNumCandidate;          // Number of entries different from zero in unitarray
  92   Int_t                            fNumCandidateCut;       // Number of entries different from zero in unitarray
  93                                                            // which pass pt cut
  94   AliJetHadronCorrection          *fHadronCorrector;       //! Pointer to hadronic correction
  95   Int_t                            fHCorrection;           //  Hadron correction flag
  96   Int_t                            fECorrection;           //  Electron correction flag
  97   Bool_t                           fEFlag;                 //  Electron correction flag
  98
  99
 100   ClassDef(AliJetReader,1)
 101 };
 102
 103 #endif