PFRecHitProducer.cc

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#include "RecoParticleFlow/PFClusterProducer/plugins/PFRecHitProducer.h"

namespace {
  bool sortByDetId(const reco::PFRecHit& a,
           const reco::PFRecHit& b) {
    return a.detId() < b.detId();
  }
}

 PFRecHitProducer:: PFRecHitProducer(const edm::ParameterSet& iConfig)
{

  produces<reco::PFRecHitCollection>();
  produces<reco::PFRecHitCollection>("Cleaned");

  edm::ConsumesCollector iC = consumesCollector();

  std::vector<edm::ParameterSet> creators = iConfig.getParameter<std::vector<edm::ParameterSet> >("producers");
  for (unsigned int i=0;i<creators.size();++i) {
      std::string name = creators.at(i).getParameter<std::string>("name");
      creators_.emplace_back(PFRecHitFactory::get()->create(name,creators.at(i),iC));
  }


  edm::ParameterSet navSet = iConfig.getParameter<edm::ParameterSet>("navigator");

  navigator_.reset(PFRecHitNavigationFactory::get()->create(navSet.getParameter<std::string>("name"),navSet));
    
}


 PFRecHitProducer::~ PFRecHitProducer()
{
 }


//
// member functions
//

// ------------ method called to produce the data  ------------
void
 PFRecHitProducer::produce(edm::Event& iEvent, const edm::EventSetup& iSetup)
{
   using namespace edm;
   std::auto_ptr<reco::PFRecHitCollection> out(new reco::PFRecHitCollection );
   std::auto_ptr<reco::PFRecHitCollection> cleaned(new reco::PFRecHitCollection );

   navigator_->beginEvent(iSetup);

   for( const auto& creator : creators_ ) {
     creator->importRecHits(out,cleaned,iEvent,iSetup);
   }

   std::sort(out->begin(),out->end(),sortByDetId);

   //create a refprod here
   edm::RefProd<reco::PFRecHitCollection> refProd = 
     iEvent.getRefBeforePut<reco::PFRecHitCollection>();

   for( auto& pfrechit : *out ) {
     navigator_->associateNeighbours(pfrechit,out,refProd);
   }

   iEvent.put(out,"");
   iEvent.put(cleaned,"Cleaned");

}

void
 PFRecHitProducer::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
  //The following says we do not know what parameters are allowed so do no validation
  // Please change this to state exactly what you do use, even if it is no parameters
  edm::ParameterSetDescription desc;
  desc.setUnknown();
  descriptions.addDefault(desc);
}