/data/refman/pasoursint/CMSSW_5_2_7_hltpatch1/src/DataFormats/DTRecHit/interface/DTRecHit1DPair.h

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#ifndef DTRecHit_DTRecHit1DPair_H
#define DTRecHit_DTRecHit1DPair_H

#include "DataFormats/DTRecHit/interface/DTRecHit1D.h"
#include "DataFormats/MuonDetId/interface/DTWireId.h"

#include <utility>

class DTLayer;
class DTDigi;

class DTRecHit1DPair : public RecHit1D {
public:
  DTRecHit1DPair(const DTWireId& wireId,
                 const DTDigi& digi);

  DTRecHit1DPair();


  virtual ~DTRecHit1DPair();

  // Operations

  virtual DTRecHit1DPair * clone() const;


  virtual LocalPoint localPosition() const;


  virtual LocalError localPositionError() const;


  virtual std::vector<const TrackingRecHit*> recHits() const;


  virtual std::vector<TrackingRecHit*> recHits();


  virtual DetId geographicalId() const;


  float digiTime() const {
    return theLeftHit.digiTime();
  }


  bool operator==(const DTRecHit1DPair& hit) const;


  bool operator!=(const DTRecHit1DPair& hit) const {
    return !(*this==hit);
  }


  LocalPoint localPosition(DTEnums::DTCellSide lrside) const;


  LocalError localPositionError(DTEnums::DTCellSide lrside) const;


  void setPosition(DTEnums::DTCellSide lrside, const LocalPoint& point);


  void setPositionAndError(DTEnums::DTCellSide lrside,
                           const LocalPoint& point, 
                           const LocalError& err);


  // Return the wireId
  DTWireId wireId() const {
    return theLeftHit.wireId();
  }


  const DTRecHit1D* componentRecHit(DTEnums::DTCellSide lrSide) const;

  
  std::pair<const DTRecHit1D*, const DTRecHit1D*> componentRecHits() const;


 private:

  DTRecHit1D* componentRecHit(DTEnums::DTCellSide lrSide);

  // The two rechits
  DTRecHit1D theLeftHit;
  DTRecHit1D theRightHit;

};


std::ostream& operator<<(std::ostream& os, const DTRecHit1DPair& hit);

#endif