// Checker.h

#ifndef Checker_H
#define Checker_H

// Abstract interface for a checker which tests an MTrack
// and returns true if the track is ok.

#include "trfbase/Algorithm.h"

namespace trf {

class MTrack;
class CutRecord;

class Checker : public Algorithm {

private:  // data

  // Flag to identify infinite loop.
  mutable bool _loop;

public:  // static methods

  // Return the type name.
  static TypeName get_type_name() { return "Checker"; }

  // Return the creator.
  static ObjCreator get_creator();

  // Return the type.
  static Type get_static_type() { return get_creator(); }

public:

  // constructor
  Checker();

  // destructor
  virtual ~Checker();

  // Return the generic type.
  // This is only needed at this level.
  Type get_generic_type() const { return get_static_type(); }

  // Check.
  // Default implementation calls status_with_record with a
  // null record.
  // User must override this or status_with_record.
  virtual bool status(const MTrack& trm) const;

  // Check with cut record.
  // Default implementation calls status.
  // User must override this or status_with_record.
  virtual bool
  status_with_record(const MTrack& trm, CutRecord* prec) const;

};

}  // end namespace trf

#endif