PWG3/hfe/AliHFEpidBase.cxx

   1 /**************************************************************************
   2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3 *                                                                        *
   4 * Author: The ALICE Off-line Project.                                    *
   5 * Contributors are mentioned in the code where appropriate.              *
   6 *                                                                        *
   7 * Permission to use, copy, modify and distribute this software and its   *
   8 * documentation strictly for non-commercial purposes is hereby granted   *
   9 * without fee, provided that the above copyright notice appears in all   *
  10 * copies and that both the copyright notice and this permission notice   *
  11 * appear in the supporting documentation. The authors make no claims     *
  12 * about the suitability of this software for any purpose. It is          *
  13 * provided "as is" without express or implied warranty.                  *
  14 **************************************************************************/
  15 /************************************************************************
  16  *                                                                      *
  17  * Abstract PID base class for Detector PID classes                     *
  18  * Supplies detector PID classes with basic informations (i.e. Debug    *
  19  * Level)                                                               *
  20  *                                                                      *
  21  * Authors:                                                             *
  22  *   Markus Fasel <M.Fasel@gsi.de>                                      *
  23  *                                                                      *
  24  ************************************************************************/
  25 #include <TParticle.h>
  26
  27 #include "AliESDtrack.h"
  28 #include "AliMCParticle.h"
  29 #include "AliMCEvent.h"
  30
  31 #include "AliHFEpidBase.h"
  32
  33 ClassImp(AliHFEpidBase)
  34
  35 //___________________________________________________________________
  36 AliHFEpidBase::AliHFEpidBase(const Char_t *name):
  37   TNamed(name, ""),
  38   fMCEvent(0x0),
  39   fDebugLevel(0)
  40 {
  41   //
  42   // Default constructor
  43   //
  44 }
  45
  46 //___________________________________________________________________
  47 AliHFEpidBase::AliHFEpidBase(const AliHFEpidBase &c):
  48   TNamed(),
  49   fMCEvent(0x0),
  50   fDebugLevel(0)
  51 {
  52   //
  53   //Copy constructor
  54   //
  55   c.Copy(*this);
  56 }
  57
  58 //___________________________________________________________________
  59 AliHFEpidBase &AliHFEpidBase::operator=(const AliHFEpidBase &ref){
  60   //
  61   // Assignment operator
  62   //
  63   if(this != &ref){
  64     ref.Copy(*this);
  65   }
  66
  67   return *this;
  68 }
  69
  70 //___________________________________________________________________
  71 void AliHFEpidBase::Copy(TObject &ref) const {
  72   AliHFEpidBase &target = dynamic_cast<AliHFEpidBase &>(ref);
  73
  74   target.fMCEvent = fMCEvent;
  75   target.fDebugLevel = fDebugLevel;
  76
  77   TNamed::Copy(ref);
  78 }
  79
  80 //___________________________________________________________________
  81 Int_t AliHFEpidBase::GetPdgCode(AliVParticle *track){
  82   //
  83   // returns the MC PDG code of the particle species
  84   //
  85   if(!fMCEvent) return 0;
  86   AliMCParticle *mctrack = 0x0;
  87   if(TString(track->IsA()->GetName()).CompareTo("AliESDtrack") == 0)
  88     mctrack = dynamic_cast<AliMCParticle *>(fMCEvent->GetTrack(TMath::Abs((dynamic_cast<AliESDtrack *>(track))->GetLabel())));
  89   else if(TString(track->IsA()->GetName()).CompareTo("AliMCParticle") == 0)
  90     mctrack = dynamic_cast<AliMCParticle *>(track);
  91   if(!mctrack) return 0;
  92   return mctrack->Particle()->GetPdgCode();
  93 }