CalibrationTrackSelectorModule.cc

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#include "CommonTools/UtilAlgos/interface/ObjectSelector.h"
#include "FWCore/Framework/interface/ConsumesCollector.h"
#include "FWCore/Framework/interface/MakerMacros.h"

// the selectores used to select the tracks
#include "Calibration/TkAlCaRecoProducers/interface/CalibrationTrackSelector.h"

// the following include is necessary to clone all track branches
// including recoTrackExtras and TrackingRecHitsOwned.
// if you remove it the code will compile, but the cloned
// tracks have only the recoTracks branch!
#include "CommonTools/RecoAlgos/interface/TrackSelector.h"

struct SiStripCalTrackConfigSelector {
  typedef std::vector<const reco::Track *> container;
  typedef container::const_iterator const_iterator;
  typedef reco::TrackCollection collection;

  SiStripCalTrackConfigSelector(const edm::ParameterSet &cfg, edm::ConsumesCollector &&iC) : theBaseSelector(cfg) {
    // TODO Wrap the BaseSelector into its own PSet
    theBaseSwitch = cfg.getParameter<bool>("applyBasicCuts") || cfg.getParameter<bool>("minHitsPerSubDet") ||
                    cfg.getParameter<bool>("applyNHighestPt") || cfg.getParameter<bool>("applyMultiplicityFilter");
  }

  const_iterator begin() const { return theSelectedTracks.begin(); }
  const_iterator end() const { return theSelectedTracks.end(); }
  size_t size() const { return theSelectedTracks.size(); }

  void select(const edm::Handle<reco::TrackCollection> &c, const edm::Event &evt, const edm::EventSetup & /*dummy*/) {
    theSelectedTracks.clear();
    for (reco::TrackCollection::const_iterator i = c.product()->begin(); i != c.product()->end(); ++i) {
      theSelectedTracks.push_back(&*i);
    }
    // might add EvetSetup to the select(...) method of the Selectors
    if (theBaseSwitch)
      theSelectedTracks = theBaseSelector.select(theSelectedTracks, evt);
  }

private:
  container theSelectedTracks;

  bool theBaseSwitch;
  CalibrationTrackSelector theBaseSelector;
};

typedef ObjectSelector<SiStripCalTrackConfigSelector> CalibrationTrackSelectorModule;

DEFINE_FWK_MODULE(CalibrationTrackSelectorModule);