//-----------------------------------------------------------
// File and Version Information:
// $Id$
//
// Description:
//      Reading data from the FOPI CDC and provide it to
//      the framework
//
// Environment:
//      Software developed for the PANDA Detector at FAIR.
//
// Author List:
//      Maxence Boehmer    TUM            (original author)
//
//
//-----------------------------------------------------------


#ifndef CERNDATAREADER_HH
#define CERNDATAREADER_HH

#include "FairTask.h"
#include "TString.h"

//#include "TpcEventIdentifier.h"


class TClonesArray;
class TFile;
class TTree;
class TTreeIndex;
class CsGEMPlane;
class TpcEventIdentifier;


class CernDataReaderTask : public FairTask {

 
 public:
 // Constructors / Destructors
  CernDataReaderTask();
  ~CernDataReaderTask(); 
  
  // Accessors  
  void SetPersistence(Bool_t opt=kTRUE) {fPersistence=opt;}
  void SetInputFile(const TString& name) {fInputFileName=name;}
  //TODO: implement
  void SetInputChain(const TChain* ch) {;} //stub
  void SetGEMTreeName(const TString& n) {fGEMTreeName=n;}
  void SetCsGEMInBranchName(const TString& s) {fCsGEMInBranch=s;}
  void SetTpcEventIDBranchName(const TString& s) {fTpcEventIDBranch=s;}
    
  // Methods
  virtual InitStatus Init();
  virtual void Exec(Option_t* opt);
  virtual void SetParContainers() {;}

  void SetDebug(bool opt) {DEBUG=opt;}
  

 private:

  Bool_t fPersistence;
  TString fInputFileName;
  TFile* fInputFile;
  unsigned int fNGEMEvents;

  TString fCsGEMInBranch;
  TString fTpcEventIDBranch;
  TString fGEMTreeName;
  
  TClonesArray* fCsGEMArray;
  TClonesArray* fTpcEventID;
  std::vector<CsGEMPlane*> planes;
  TTree* fGEMTree;
  TTreeIndex* fGEMIndex;  //the tree has ownership

  bool DEBUG;

public:
  ClassDef(CernDataReaderTask,1)

};

#endif