PFCand_AssoMap.cc

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// -*- C++ -*-
//
// Package:    PFCand_AssoMap
// Class:      PFCand_AssoMap
//
//
// Original Author:  Matthias Geisler
//         Created:  Wed Apr 18 14:48:37 CEST 2012
// $Id: PFCand_AssoMap.cc,v 1.5 2012/11/21 09:52:27 mgeisler Exp $
//
//
#include "CommonTools/RecoUtils/interface/PFCand_AssoMap.h"

// system include files
#include <memory>
#include <vector>
#include <string>

// user include files

#include "FWCore/MessageLogger/interface/MessageLogger.h"

#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/Common/interface/View.h"

//
// constructors and destructor
//
PFCand_AssoMap::PFCand_AssoMap(const edm::ParameterSet& iConfig):PFCand_AssoMapAlgos(iConfig, consumesCollector())
{

   //now do what ever other initialization is needed

    input_AssociationType_ = iConfig.getParameter<edm::InputTag>("AssociationType");

    token_PFCandidates_ = consumes<reco::PFCandidateCollection>(iConfig.getParameter<edm::InputTag>("PFCandidateCollection"));

   //register your products

    if ( input_AssociationType_.label() == "PFCandsToVertex" ) {
      produces<PFCandToVertexAssMap>();
    } else {
      if ( input_AssociationType_.label() == "VertexToPFCands" ) {
        produces<VertexToPFCandAssMap>();
      } else {
        if ( input_AssociationType_.label() == "Both" ) {
          produces<PFCandToVertexAssMap>();
          produces<VertexToPFCandAssMap>();
        } else {
          std::cout << "No correct InputTag for AssociationType!" << std::endl;
          std::cout << "Won't produce any AssociationMap!" << std::endl;
        }
      }
    }

}


PFCand_AssoMap::~PFCand_AssoMap()
{
}


//
// member functions
//

// ------------ method called to produce the data  ------------
void
PFCand_AssoMap::produce(edm::Event& iEvent, const edm::EventSetup& iSetup)
{

  using namespace edm;
  using namespace std;
  using namespace reco;

    //get the input pfCandidateCollection
    Handle<PFCandidateCollection> pfCandH;
    iEvent.getByToken(token_PFCandidates_,pfCandH);

    string asstype = input_AssociationType_.label();

    PFCand_AssoMapAlgos::GetInputCollections(iEvent,iSetup);

        if (asstype == "PFCandsToVertex" || asstype == "VertexToPFCands" || asstype == "Both") {
          auto mappings = createMappings(pfCandH, iSetup);
          if (asstype == "PFCandsToVertex" || asstype == "Both") {
            iEvent.put( SortPFCandAssociationMap( &(*mappings.first), &iEvent.productGetter() ) );
          }
          if (asstype == "VertexToPFCands" || asstype == "Both") {
            iEvent.put( std::move(mappings.second));
          }          
        }

}

// ------------ method fills 'descriptions' with the allowed parameters for the module  ------------
void
PFCand_AssoMap::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);
}

//define this as a plug-in
DEFINE_FWK_MODULE(PFCand_AssoMap);