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

/* $Id$ */

//_________________________________________________________________________
// Algorithm Base class to construct PHOS track segments
// Associates EMC and PPSD clusters
// Unfolds the EMC cluster   
//                  
//*-- Author: Dmitri Peressounko (RRC Ki & SUBATECH)

// --- ROOT system ---

// --- Standard library ---

// --- AliRoot header files ---

#include "TObjArray.h"
#include "AliPHOSDigit.h"
#include "AliPHOSRecPoint.h"
#include "AliPHOSIndexToObject.h"
#include "AliPHOSTrackSegment.h"

class  AliPHOSTrackSegmentMaker : public TObject {

public:

  AliPHOSTrackSegmentMaker() ;                     
  
  virtual ~ AliPHOSTrackSegmentMaker(){
    // dtor 
  } 

  virtual void MakeTrackSegments(DigitsList * DL, 
				 AliPHOSRecPoint::RecPointsList * emcl, 
				 AliPHOSRecPoint::RecPointsList * ppsdl,
				 AliPHOSTrackSegment::TrackSegmentsList * trsl ) = 0 ; // does the job
  virtual void SetMaxEmcPpsdDistance(Float_t r) = 0 ; 
  virtual void SetUnfoldFlag() = 0 ;
  virtual void UnsetUnfoldFlag() = 0 ;
  
 protected:
  
  Int_t                  fNTrackSegments ; // number of track segments found 
  AliPHOSGeometry      * fGeom ;           // pointer to PHOS geometry  
  AliPHOSIndexToObject * fPlease ;         // factory used to convert an index into the associated object

  ClassDef( AliPHOSTrackSegmentMaker,1)    // Algorithm class to make PHOS track segments (Base Class)

};

#endif // ALIPHOSTRACKSEGMENTMAKER_H