/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
* See cxx source for full Copyright notice */
/* $Id$ */


#ifndef AliAnalysisTaskLeeYangZeros_H
#define AliAnalysisTaskLeeYangZeros_H

// AliAnalysisTaskLeeYangZeros:
// analysis task for 
// Lee Yang Zeroes method
// Author: 
// Naomi van der Kolk (kolk@nikhef.nl)             

class AliESDEvent;
class AliAODEvent;
class AliCFManager;
class AliFlowAnalysisWithLeeYangZeros;
class AliFlowEventSimpleMaker;
class TFile;
class TList;

#include "TString.h"
#include "AliAnalysisTask.h"

class AliAnalysisTaskLeeYangZeros : public AliAnalysisTask {
 public:
  AliAnalysisTaskLeeYangZeros();
  AliAnalysisTaskLeeYangZeros(const char *name, Bool_t firstrun, Bool_t QAon);
  virtual ~AliAnalysisTaskLeeYangZeros();
  
  virtual void   ConnectInputData(Option_t *);
  virtual void   CreateOutputObjects();
  virtual void   Exec(Option_t *option);
  virtual void   Terminate(Option_t *);

  //lyz flags
  void           SetFirstRunLYZ(Bool_t kt)     { this->fFirstRunLYZ = kt ;  }
  Bool_t         GetFirstRunLYZ() const        { return this->fFirstRunLYZ ; }
  void           SetUseSumLYZ(Bool_t kt)       { this->fUseSumLYZ = kt ;  }
  Bool_t         GetUseSumLYZ() const          { return this->fUseSumLYZ ; }
  void           SetAnalysisType(TString type) {this->fAnalysisType = type ; }
  TString        GetAnalysisType()             {return this->fAnalysisType; } 
  void           SetCFManager1(AliCFManager* cfmgr) {this->fCFManager1 = cfmgr; } 
  AliCFManager*  GetCFManager1()               {return this->fCFManager1; }
  void           SetCFManager2(AliCFManager* cfmgr) {this->fCFManager2 = cfmgr; } 
  AliCFManager*  GetCFManager2()               {return this->fCFManager2; }
  void           SetQAList1(TList* list)       {this->fQAInt = list; }
  TList*         GetQAList1()                  {return this->fQAInt; }
  void           SetQAList2(TList* list)       {this->fQADiff = list; }
  TList*         GetQAList2()                  {return this->fQADiff; }
  void           SetQAOn(Bool_t kt)            {this->fQA = kt; }
  Bool_t         GetQAOn()                     {return this->fQA; }

 private:
 
  AliAnalysisTaskLeeYangZeros(const AliAnalysisTaskLeeYangZeros& aAnalysis);
  AliAnalysisTaskLeeYangZeros& operator=(const AliAnalysisTaskLeeYangZeros& aAnalysis);

  AliESDEvent*     fESD;                  // ESD object
  AliAODEvent*     fAOD;                  // AOD object
  TString          fAnalysisType;         // string to select which kind of input to analyse: ESD, AOD or MC
  AliCFManager*    fCFManager1;           // correction framework manager
  AliCFManager*    fCFManager2;           // correction framework manager
  AliFlowAnalysisWithLeeYangZeros* fLyz;  // LYZ analysis object
  AliFlowEventSimpleMaker* fEventMaker;   // FlowEventSimple maker object

  TFile*           fFirstRunFile;         // file from the first loop over events
  TList*           fListHistos;           // collection of output
  TList*           fQAInt;                // QA histogram list
  TList*           fQADiff;               // QA histogram list

  //flags
  Bool_t fFirstRunLYZ ;    // flag for lyz analysis 
  Bool_t fUseSumLYZ ;      // flag for lyz analysis 
  Bool_t fQA;              // flag to set the filling of the QA hostograms
  
      
  ClassDef(AliAnalysisTaskLeeYangZeros, 1);  //AliAnalysisTaskLeeYangZeros class object
};

#endif