//-*- Mode: C++ -*-
// @(#) $Id$

//* This file is property of and copyright by the ALICE HLT Project        * 
//* ALICE Experiment at CERN, All rights reserved.                         *
//* See cxx source for full Copyright notice                               *

#ifndef ALIHLTTPCCATRACK_H
#define ALIHLTTPCCATRACK_H

#include "AliHLTTPCCADef.h"
#include "AliHLTTPCCATrackParam.h"

/**
 * @class ALIHLTTPCCAtrack
 *
 * The class describes the [partially] reconstructed TPC track [candidate].
 * The class is dedicated for internal use by the AliHLTTPCCATracker algorithm.
 * The track parameters at both ends are stored separately in the AliHLTTPCCAEndPoint class
 */
class AliHLTTPCCATrack
{
 public:
#if !defined(HLTCA_GPUCODE)
  AliHLTTPCCATrack() :fAlive(0),fFirstHitID(0),fNHits(0), fParam(){}
  ~AliHLTTPCCATrack(){}
#endif

  GPUhd() Bool_t &Alive()               { return fAlive; }
  GPUhd() Int_t  &NHits()               { return fNHits; }
  GPUhd() Int_t  &FirstHitID()          { return fFirstHitID; }
  GPUhd() AliHLTTPCCATrackParam &Param(){ return fParam; };
  
private:
  
  Bool_t fAlive;       // flag for mark tracks used by the track merger
  Int_t  fFirstHitID; // index of the first track cell in the track->cell pointer array
  Int_t  fNHits;      // number of track cells
  AliHLTTPCCATrackParam fParam; // track parameters 
  
private:
  //void Dummy(); // to make rulechecker happy by having something in .cxx file

  //ClassDef(AliHLTTPCCATrack,1)
};

#endif