Reconstruction/MdcPatRec/TrkBase/include/TrkBase/TrkHistory.h

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//--------------------------------------------------------------------------
// File and Version Information:
//      $Id: TrkHistory.h,v 1.1.1.1 2005/04/21 06:01:42 zhangy Exp $
//
// Description:  TrkHistory; simple class to record the history
// of a track fit
//
// Environment:
//      Software developed for the BaBar Detector at the SLAC B-Factory.
//
// Author(s): Dave Brown
//
//------------------------------------------------------------------------
 
#ifndef TRKHISTORY_HH
#define TRKHISTORY_HH
 
#include "TrkBase/TrkErrCode.h"
#include <iostream>
 
class TrkHistory {
public:
  TrkHistory();
  TrkHistory( const TrkErrCode& err, const char* modname );
  TrkHistory( const TrkHistory& other );
  TrkHistory& operator=( const TrkHistory& other );
  ~TrkHistory();
  // accessors
  const TrkErrCode& status() const { return _err; }
  const char*       module() const { return _mod; }
  bool              operator==( const TrkHistory& other ) const;
  void              print( std::ostream& os = std::cout ) const;
 
private:
  TrkErrCode  _err;
  const char* _mod;
};
// stream operator
std::ostream& operator<<( std::ostream& os, const TrkHistory& history );
 
#endif