LinTrackCache Class Reference

#include <LinTrackCache.h>

Classes
struct	Comparer
struct	Vicinity

Public Types
typedef ReferenceCountingPointer < LinearizedTrackState< 5 > >	RefCountedLinearizedTrackState

Public Member Functions
void	clear ()
RefCountedLinearizedTrackState	linTrack (const GlobalPoint &, const reco::TransientTrack &)
	~LinTrackCache ()

Private Types
typedef std::map < reco::TransientTrack, bool >	HasLinTrkMap
typedef std::map < reco::TransientTrack, RefCountedLinearizedTrackState >	LinTrkMap

Private Attributes
std::map< GlobalPoint, HasLinTrkMap, Vicinity >	theHasLinTrack
std::map< GlobalPoint, LinTrkMap, Vicinity >	theLinTracks

Detailed Description

caches LinearizedTrackStates

Definition at line 10 of file LinTrackCache.h.

Member Typedef Documentation

typedef std::map< reco::TransientTrack, bool > LinTrackCache::HasLinTrkMap

private

Definition at line 37 of file LinTrackCache.h.

typedef std::map< reco::TransientTrack, RefCountedLinearizedTrackState > LinTrackCache::LinTrkMap

private

Definition at line 36 of file LinTrackCache.h.

typedef ReferenceCountingPointer<LinearizedTrackState<5> > LinTrackCache::RefCountedLinearizedTrackState

Definition at line 25 of file LinTrackCache.h.

Constructor & Destructor Documentation

LinTrackCache::~LinTrackCache

(

)

Definition at line 69 of file LinTrackCache.cc.

References hitfit::clear().

{
  clear();
}

Member Function Documentation

void LinTrackCache::clear

(

void

)

Definition at line 74 of file LinTrackCache.cc.

{
  theLinTracks.clear();
  theHasLinTrack.clear();
}

LinTrackCache::RefCountedLinearizedTrackState LinTrackCache::linTrack	(	const GlobalPoint &	pos,
		const reco::TransientTrack &	rt
	)

Definition at line 26 of file LinTrackCache.cc.

References LinearizedTrackStateFactory::linearizedTrackState(), and pos.

Referenced by MultiVertexFitter::updateSeeds(), and MultiVertexFitter::updateWeights().

{
  if ( theHasLinTrack[pos][rt] )
  {
    return theLinTracks[pos][rt];
  };

  LinearizedTrackStateFactory lTrackFactory;
  RefCountedLinearizedTrackState lTrData =
    lTrackFactory.linearizedTrackState( pos, rt );

  theLinTracks[pos][rt]=lTrData;
  theHasLinTrack[pos][rt]=true;
  return lTrData;
}

Member Data Documentation

std::map< GlobalPoint, HasLinTrkMap, Vicinity > LinTrackCache::theHasLinTrack

private

Definition at line 39 of file LinTrackCache.h.

std::map< GlobalPoint, LinTrkMap, Vicinity > LinTrackCache::theLinTracks

private

Definition at line 38 of file LinTrackCache.h.