HBTAN/AliHBTReaderESD.h

   1 #ifndef ALIHBTREADERESD_H
   2 #define ALIHBTREADERESD_H
   3
   4 #include "AliHBTReader.h"
   5 //___________________________________________________________________________
   6 /////////////////////////////////////////////////////////////////////////////
   7 //                                                                         //
   8 // Multi file reader for ESD                                               //
   9 //                                                                         //
  10 // This reader reads tracks from Event Summary Data                        //
  11 // do not read particles                                                   //
  12 // Piotr.Skowronski@cern.ch                                                //
  13 // more info: http://alisoft.cern.ch/people/skowron/analyzer/index.html    //
  14 //                                                                         //
  15 /////////////////////////////////////////////////////////////////////////////
  16
  17 #include <TString.h>
  18 class TFile;
  19 class AliRunLoader;
  20
  21 class AliHBTReaderESD: public AliHBTReader
  22 {
  23   public:
  24     AliHBTReaderESD(const Char_t* esdfilename = "AliESDs.root", const Char_t* galfilename = "galice.root");
  25
  26     AliHBTReaderESD(TObjArray* dirs,const Char_t* esdfilename = "AliESDs.root", const Char_t* galfilename = "galice.root");
  27
  28     virtual ~AliHBTReaderESD();
  29
  30     void          Rewind();
  31
  32     void          ReadParticles(Bool_t flag){fReadParticles = flag;}
  33     Bool_t        ReadsTracks() const {return kTRUE;}
  34     Bool_t        ReadsParticles() const {return fReadParticles;}
  35
  36     enum ESpecies {kESDElectron = 0, kESDMuon, kESDPion, kESDKaon, kESDProton, kNSpecies};
  37     static Int_t  GetSpeciesPdgCode(ESpecies spec);//skowron
  38
  39   protected:
  40     Int_t         ReadNext();
  41     TFile*        OpenFile(Int_t evno);//opens files to be read for given event
  42     void          CloseFiles(TFile*);//close files
  43
  44     TString       fESDFileName;//name of the file with tracks
  45     TString       fGAlFileName;//name of the file with tracks
  46     TFile*        fFile;//! pointer to current ESD file
  47     AliRunLoader* fRunLoader;//!Run Loader
  48     Bool_t        fReadParticles;//flag indicating wether to read particles from kinematics
  49
  50   private:
  51     ClassDef(AliHBTReaderESD,2)
  52 };
  53
  54
  55 #endif