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#ifndef Alignment_CommonAlignmentAlgorithm_AlignmentTrackFromVertexSelector_h
#define Alignment_CommonAlignmentAlgorithm_AlignmentTrackFromVertexSelector_h
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/VertexReco/interface/Vertex.h"
#include "DataFormats/VertexReco/interface/VertexFwd.h"
#include "FWCore/Framework/interface/ConsumesCollector.h"
#include "FWCore/Utilities/interface/EDGetToken.h"
#include "FWCore/Utilities/interface/InputTag.h"
#include "TrackingTools/Records/interface/TransientTrackRecord.h"
#include "TrackingTools/TransientTrack/interface/TransientTrackBuilder.h"
#include <vector>
namespace edm {
class Event;
class ParameterSet;
} // namespace edm
class TrackingRecHit;
class AlignmentTrackFromVertexSelector {
public:
typedef std::vector<const reco::Track*> Tracks;
/// constructor
AlignmentTrackFromVertexSelector(const edm::ParameterSet& cfg, edm::ConsumesCollector& iC);
/// destructor
~AlignmentTrackFromVertexSelector();
/// select tracks
Tracks select(const edm::Handle<reco::TrackCollection>& tc,
const edm::Event& evt,
const edm::EventSetup& setup) const;
// compute closest vertex
const reco::Vertex* findClosestVertex(const reco::TrackCollection& leptonTracks,
const reco::VertexCollection* vertices,
const edm::EventSetup& setup) const;
private:
const edm::ESGetToken<TransientTrackBuilder, TransientTrackRecord> ttbESToken_;
edm::EDGetTokenT<reco::VertexCollection> vertexToken_;
edm::EDGetTokenT<reco::TrackCollection> diLeptonToken_;
bool useClosestVertex_;
unsigned int vertexIndex_;
};
#endif
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