Update from Prabhat - DptDpt Corr

[u/mrichter/AliRoot.git] / PWG / CaloTrackCorrBase / AliCaloTrackESDReader.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

//_________________________________________________________________________
// Class for reading data (ESDs) in order to do prompt gamma 
// or other particle identification and correlations
//
//
//
//
//*-- Author: Gustavo Conesa (LNF-INFN) 
//////////////////////////////////////////////////////////////////////////////


//---- ANALYSIS system ----
#include "AliCaloTrackESDReader.h" 
#include "AliAODEvent.h"
#include "AliMultiEventInputHandler.h"
#include "AliAnalysisManager.h"
#include "AliMixedEvent.h"
#include "AliESDEvent.h"

ClassImp(AliCaloTrackESDReader)

//______________________________________________
AliCaloTrackESDReader::AliCaloTrackESDReader() : 
AliCaloTrackReader()
{
  //Default Ctor
  
  //Initialize parameters
  fDataType=kESD;
  fReadStack          = kTRUE;
  fReadAODMCParticles = kFALSE;

}

//_________________________________________________________________
void AliCaloTrackESDReader::SetInputOutputMCEvent(AliVEvent* esd, 
                                                  AliAODEvent* aod, 
                                                  AliMCEvent* mc) 
{
  // Connect the data pointers
  
  Bool_t tesd = kFALSE ; 
  
  if ( strcmp(esd->GetName(), "AliMixedEvent") == 0 ) 
  {
    AliMultiEventInputHandler* multiEH = dynamic_cast<AliMultiEventInputHandler*>((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
    if(multiEH)
    {
      if (multiEH->GetFormat() == 0 ) 
      {
        tesd = kTRUE ; 
      }
    }
    else
    {
      printf("AliCaloTrackESDReader::SetInputOutputMCEvent() - MultiEventHandler is NULL");
      abort();
    }
  }
  if (strcmp(esd->GetName(),"AliESDEvent") == 0)
  {
    tesd = kTRUE ; 
  }
  
  if(!tesd)
  {
    AliFatal(Form("AliCaloTrackESDReader::SetInputOutputMCEvent() - STOP ::Wrong reader, here only ESDs. Input name: %s != AliESDEvent \n",esd->GetName()));
  }
  
  SetInputEvent(esd);
  SetOutputEvent(aod);
  SetMC(mc);
  
}