AlignmentCSCTrackSelectorModule.cc

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

//the selectores used to select the tracks
#include "Alignment/CommonAlignmentProducer/interface/AlignmentCSCTrackSelector.h"
#include "Alignment/CommonAlignmentProducer/interface/AlignmentGlobalTrackSelector.h"
#include "Alignment/CommonAlignmentProducer/interface/AlignmentTwoBodyDecayTrackSelector.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 CSCTrackConfigSelector {
  typedef std::vector<const reco::Track *> container;
  typedef container::const_iterator const_iterator;
  typedef reco::TrackCollection collection;

  CSCTrackConfigSelector(const edm::ParameterSet &cfg, edm::ConsumesCollector &&iC) : theBaseSelector(cfg) {}

  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*/) {
    container all;
    for (reco::TrackCollection::const_iterator i = c.product()->begin(); i != c.product()->end(); ++i) {
      all.push_back(&*i);
    }
    theSelectedTracks = theBaseSelector.select(all, evt);  // might add dummy
  }

private:
  container theSelectedTracks;

  AlignmentCSCTrackSelector theBaseSelector;
};

typedef ObjectSelector<CSCTrackConfigSelector> AlignmentCSCTrackSelectorModule;

DEFINE_FWK_MODULE(AlignmentCSCTrackSelectorModule);