Reconstruction/MdcPatRec/TrkBase/include/TrkBase/TrkExpectedHot.h

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//--------------------------------------------------------------------------
// File and Version Information:
//      $Id: TrkExpectedHot.h,v 1.1.1.1 2005/04/21 06:01:42 zhangy Exp $
//
// Description:
//      Defines a Expected hit on a track, and stores information about it.
//
// Environment:
//      Software developed for the BaBar Detector at the SLAC B-Factory.
//
// Authors: Eric Charles            UW Madison
//
//
//------------------------------------------------------------------------
 
#ifndef TRKEXPECTEDHOT_HH
#define TRKEXPECTEDHOT_HH
 
//---------------
// C++ Headers --
//---------------
 
#include "TrkBase/TrkDetElemId.h"
#include <iostream>
 
//----------------
//  BaBar Headers
//----------------
 
class TrkExpectedTrk;
class TrkHitOnTrk;
class TrkDifPoca;
 
#include <vector>
 
// Class interface //
class TrkExpectedHot {
 
public:
  // copy c'tor
  TrkExpectedHot( const TrkExpectedHot& );
 
  // Destructor
  virtual ~TrkExpectedHot();
 
  // access to the internal id of the associated element
  // ( offset by subsystem )
  const TrkDetElemId& id() const { return _id; }
 
  // sorting
  // sorting uses the internal id
  bool operator==( const TrkExpectedHot& rhs ) const;
  bool operator<( const TrkExpectedHot& rhs ) const;
 
  virtual bool setHot( const TrkHitOnTrk* aHot )     = 0;
  virtual bool setHots( const TrkExpectedHot* aHot ) = 0;
 
  virtual bool hasHot() const  = 0;
  virtual bool hasGHit() const = 0;
 
  bool isSvt() const;
  bool isMdc() const;
 
  virtual bool getHots( std::vector<TrkHitOnTrk*>& hots ) const = 0;
 
  virtual void printAll( std::ostream& os ) const = 0;
 
  const TrkExpectedTrk* exTrk() const { return _exTrk; };
 
protected:
  // c'tors are protected, only called by concrete classes
  TrkExpectedHot( const TrkDetElemId& id );
  TrkExpectedHot( const int& id, TrkDetElemId::systemIndex sysInd );
 
  void setExTrk( const TrkExpectedTrk* anExTrk ) { _exTrk = anExTrk; }
 
private:
  // elem id
  const TrkDetElemId    _id;
  const TrkExpectedTrk* _exTrk;
 
  friend class TrkExpectedHotSet;
};
 
#endif