#ifndef FAIRTUTORIALDET4STRAIGHTLINEFITTER_H
#define FAIRTUTORIALDET4STRAIGHTLINEFITTER_H

#include "FairTask.h"                   // for InitStatus, FairTask

#include "Rtypes.h"                     // for ClassDef

class TClonesArray;

class FairTutorialDet4StraightLineFitter : public FairTask
{
  public:

    /** Default constructor **/
    FairTutorialDet4StraightLineFitter();

    /** Constructor with parameters (Optional) **/
    //  FairTutorialDet4StraightLineFitter(Int_t verbose);


    /** Destructor **/
    ~FairTutorialDet4StraightLineFitter();


    /** Initiliazation of task at the beginning of a run **/
    virtual InitStatus Init();

    /** ReInitiliazation of task when the runID changes **/
    virtual InitStatus ReInit();


    /** Executed for each event. **/
    virtual void Exec(Option_t* opt);

    /** Load the parameter container from the runtime database **/
    virtual void SetParContainers();

    /** Finish task called at the end of the run **/
    virtual void Finish();

    void SetVersion(Int_t val) {fVersion = val;}

  private:

    /** Input array from previous already existing data level **/
    TClonesArray* fHits;

    /** Output array to  new data level**/
    TClonesArray* fTracks;

    Int_t fVersion;

    Bool_t IsGoodEvent();

    FairTutorialDet4StraightLineFitter(const FairTutorialDet4StraightLineFitter&);
    FairTutorialDet4StraightLineFitter operator=(const FairTutorialDet4StraightLineFitter&);

    ClassDef(FairTutorialDet4StraightLineFitter,1);
};

#endif