//-*- Mode: C++ -*-

//* 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 ALIHLTTPCCASTARTHITSFINDER_H
#define ALIHLTTPCCASTARTHITSFINDER_H

#include "AliHLTTPCCADef.h"
#include "AliHLTTPCCAParameters.h"

class AliHLTTPCCATracker;
class AliHLTTPCCASliceData;
class AliHLTTPCCARow_ArBB;
class AliHLTTPCCARowHit;

#include "AliHLTTPCCAStartHitId.h"
template<typename T, std::size_t N> class array;
template<typename T, std::size_t N> class dense;


/**
 * @class AliHLTTPCCAStartHitsFinder
 *
 * find start hits for tracklets
 */

struct AliHLTTPCCAStartHitsFinder {
AliHLTTPCCAStartHitsFinder( nested_my<AliHLTTPCCARowHit>& rows_ArBB, AliHLTTPCCAStartHitId_ArBB::TDense<1>& startHits_ArBB ) : fRows_ArBB(rows_ArBB), fStartHits_ArBB(startHits_ArBB) {}
  
  void run(int iter );

    // for ArBB
  nested_my<AliHLTTPCCARowHit>& fRows_ArBB;
  AliHLTTPCCAStartHitId_ArBB::TDense<1>& fStartHits_ArBB;
  
  struct FindStartHitsParam { // param to use in FindNeighboursOnRow_ArBB
    TRowI_ArBB neighboursChainMinLength;
  };
  static void FindStartHits(AliHLTTPCCAStartHitId_ArBB::TDense<1>& startHits, nested_my<AliHLTTPCCARowHit>& rows_ArBB, const FindStartHitsParam& param);
};

#endif