// -------------------------------------------------------------------------
// -----                   PndSttTraer. Please consider using one of the 32 headers found in section 17.4.1.2 of the C++ standard. Examples include substickFinder header file               -----
// -----                  Created 28/03/06  by R. Castelijns           -----
// -------------------------------------------------------------------------


/** PndSttTrackFinder
 *@author R.Castelijns <r.castelijns@fz-jeulich.de>
 **
 ** Abstract base class for concrete STT track finding algorithm.
 ** Each derived class must implement the method DoFind. This has
 ** to operate on the two TClonesArrays of pixel and strip hits
 ** and to fill the PndSttTrackArray.
 **/

#ifndef PNDSTTTRACKFINDER
#define PNDSTTTRACKFINDER 1

#include "TObject.h"
#include "TList.h"
#include <iostream>

class TClonesArray;

class PndSttTrackFinder : public TObject
{
 public:

  /** Default constructor **/
  PndSttTrackFinder() { }; 


  /** Destructor **/
  virtual ~PndSttTrackFinder() { };


  /** Virtual method Init. If needed, to be implemented in the
   ** concrete class. Else no action.
   **/
  virtual void Init() { };


  /** Abstract method DoFind. To be implemented in the concrete class.
   ** Task: Read the pixel and strip hit arrays and fill the track array,
   ** pointers to which are given as arguments
   *@value Number of tracks created
   **/
  virtual Int_t DoFind(TClonesArray* trackArray, TClonesArray* helixHitArray) = 0; 
  virtual Int_t DoFind(TClonesArray* trackArray, TClonesArray* trackCandArray, TClonesArray* helixHitArray) = 0; // CHECK
   
  /** Virtual method Finish. If needed, to be implemented in the concrete
   ** class. Executed at the end of the run.
   **/
  virtual void Finish() { };

  virtual void AddHitCollection(TClonesArray* mHitArray, TClonesArray* mPointArray) { };

  /** Set verbosity 
   *@param verbose   Verbosity level
   **/
  void SetVerbose(Int_t verbose) { fVerbose = verbose; };
 
  /** set the helix hit production flag true or false **/
  void SetHelixHitProduction(Bool_t hhprod) { fHelixHitProduction = hhprod; };
 
  /** CHECK added **/
  virtual void SetTubeArray(TClonesArray *tubeArray) = 0;
  
  virtual void SetInputBranchName(char* string1 ){};

 private:
  
 protected:
  Int_t fVerbose;      // Verbosity level
  /** production to file of helix hit from PR or not **/
  Bool_t fHelixHitProduction;

  ClassDef(PndSttTrackFinder,1);
};

#endif