Reconstruction/MdcPatRec/TrkBase/include/TrkBase/TrkHitOnTrkUpdater.h

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#ifndef TRKHITONTRKUPDATER_H
#define TRKHITONTRKUPDATER_H
 
//--------------------------------------------------------------------------
//
// Environment:
//      This software was developed for the BaBar collaboration.  If you
//      use all or part of it, please give an appropriate acknowledgement.
//
// Copyright Information:
//      Copyright (C) 2000      University of California, San Diego
//
//------------------------------------------------------------------------
 
#include "TrkBase/TrkErrCode.h"
#include "TrkBase/TrkHitOnTrk.h"
 
/**
 *  TrkHitOnTrkUpdater.
 *     this class regulates access to some protected functions
 *     in TrkHitOnTrk: only classes inheriting from this one can
 *     modify the status of a TrkHitOnTrk
 *
 *
 *  This software was developed for the BaBar collaboration.  If you
 *  use all or part of it, please give an appropriate acknowledgement.
 *
 *  Copyright (C) 2000 University of California, San Diego
 *
 *  @version $Id: TrkHitOnTrkUpdater.h,v 1.1.1.1 2005/04/21 06:01:42 zhangy Exp $
 *
 *  @author (Gerhard Raven)           (based on an idea of Steve Schaffner)
 */
#include "TrkBase/TrkFunctors.h"
 
class TrkHitOnTrkUpdater {
public:
  virtual ~TrkHitOnTrkUpdater() = 0;
 
protected:
  TrkErrCode updateMeasurement( TrkHitOnTrk& hot, const TrkDifTraj* traj = 0,
                                bool maintainAmbiguity = false ) const {
    return hot.updateMeasurement( traj, maintainAmbiguity );
  }
  // allow subclasses (essentially TrkReps) to set hot activity directly
  void setActivity( TrkHitOnTrk& hot, bool active ) const { hot.setActive( active ); }
  // allow changing the parent to which a hot is assigned
  void setParent( TrkHitOnTrk& hot, TrkRep* parent ) const { hot._parentRep = parent; }
 
  TrkBase::Functors::updateMeasurement
  updateMeasurement( const TrkDifTraj* traj = 0, bool maintainAmbiguity = false ) const {
    return TrkBase::Functors::updateMeasurement( traj, maintainAmbiguity );
  }
  TrkBase::Functors::setParent setParent( TrkRep* parent ) const {
    return TrkBase::Functors::setParent( parent );
  }
  TrkBase::Functors::setActive setActive( bool active ) const {
    return TrkBase::Functors::setActive( active );
  }
};
 
#endif