/* CbmLitQualitySort.h
 * @author Andrey Lebedev <andrey.lebedev@gsi.de>
 * @since 2011
 * @version 1.0
 *
 * Sorts a track array by the quality criterion.
 */

#ifndef CBMLITQUALITYSORT_H_
#define CBMLITQUALITYSORT_H_

#include "base/CbmLitEnums.h"
#include "base/CbmLitTypes.h"

class CbmLitQualitySort
{
public:
   /* Constructor */
   CbmLitQualitySort();

   /* Destructor */
   virtual ~CbmLitQualitySort();

   /* Sorts track array by quality */
   virtual LitStatus DoSort(
      TrackPtrIterator itBegin,
      TrackPtrIterator itEnd);

   /* Sorts track array by quality */
   virtual LitStatus DoSort(
      TrackPtrVector& tracks);

private:

   /* Sorts track array by quality
    * using number of hits and chi2 */
   void SortNofHits(
      TrackPtrIterator itBegin,
      TrackPtrIterator itEnd);

   /* Sorts track array by quality
    * using last plane id and chi2 */
   void SortLastPlaneId(
      TrackPtrIterator itBegin,
      TrackPtrIterator itEnd);
};

#endif /* CBMLITQUALITYSORT_H_ */