EgammaHLTPixelMatchElectronAlgo.h

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#ifndef EgammaHLTPixelMatchElectronAlgo_H
#define EgammaHLTPixelMatchElectronAlgo_H

#include "DataFormats/EgammaCandidates/interface/Electron.h"
#include "DataFormats/EgammaCandidates/interface/ElectronFwd.h"

#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/Event.h"

#include "MagneticField/Engine/interface/MagneticField.h"
#include "RecoTracker/TkDetLayers/interface/GeometricSearchTracker.h"

#include "Geometry/TrackerGeometryBuilder/interface/TrackerGeometry.h"

#include "DataFormats/GeometryVector/interface/GlobalPoint.h"

class MultiTrajectoryStateMode;
class MultiTrajectoryStateTransform;

class EgammaHLTPixelMatchElectronAlgo {

public:

  EgammaHLTPixelMatchElectronAlgo(const edm::ParameterSet& conf);

  ~EgammaHLTPixelMatchElectronAlgo();

  //disabling the ability to copy this module (lets hope nobody was actually copying it before as Bad Things (TM) would have happened)
private:
  EgammaHLTPixelMatchElectronAlgo(const EgammaHLTPixelMatchElectronAlgo& rhs){}
  EgammaHLTPixelMatchElectronAlgo& operator=(const EgammaHLTPixelMatchElectronAlgo& rhs){return *this;}

public:
  void setupES(const edm::EventSetup& setup);
  void run(edm::Event&, reco::ElectronCollection&);

 private:

  // create electrons from tracks
  //void process(edm::Handle<reco::TrackCollection> tracksH, reco::ElectronCollection & outEle, Global3DPoint & bs);  
  void process(edm::Handle<reco::TrackCollection> tracksH, edm::Handle<reco::GsfTrackCollection> gsfTracksH, reco::ElectronCollection & outEle, Global3DPoint & bs);  
  bool isInnerMostWithLostHits(const reco::GsfTrackRef&, const reco::GsfTrackRef&, bool&);

  edm::InputTag trackProducer_; 
  edm::InputTag gsfTrackProducer_; 
  bool useGsfTracks_;
  edm::InputTag bsProducer_; 

  MultiTrajectoryStateMode* mtsMode_; //its not clear to me why this is a pointer but its not the only one so changing things wouldnt make this class safer
  MultiTrajectoryStateTransform* mtsTransform_;

  edm::ESHandle<MagneticField> magField_;
  edm::ESHandle<TrackerGeometry> trackerGeom_;
  int unsigned long long cacheIDTDGeom_;
  unsigned long long cacheIDMagField_;
};


#endif // EgammaHLTPixelMatchElectronAlgo_H