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// -*- C++ -*-
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//
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// Package: CollectionMerger
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// Class: CollectionMerger
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//
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/**\class CollectionMerger CollectionMerger.cc Toolset/CollectionMerger/src/CollectionMerger.cc
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Description: [one line class summary]
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Implementation:
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[Notes on implementation]
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*/
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//
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// Original Author: Yutaro Iiyama,512 1-005,+41227670489,
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// Created: Thu Jun 21 16:48:38 CEST 2012
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// $Id$
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//
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//
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// system include files
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#include <memory>
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// user include files
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#include "FWCore/Framework/interface/Frameworkfwd.h"
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#include "FWCore/Framework/interface/EDProducer.h"
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#include "FWCore/Framework/interface/Event.h"
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#include "FWCore/Framework/interface/MakerMacros.h"
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#include "FWCore/ParameterSet/interface/ParameterSet.h"
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#include "FWCore/Utilities/interface/Exception.h"
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#include "FWCore/Utilities/interface/InputTag.h"
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#include "DataFormats/Common/interface/Handle.h"
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#include "DataFormats/Common/interface/RefToBaseVector.h"
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#include "DataFormats/Candidate/interface/Candidate.h"
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#include "DataFormats/Candidate/interface/CandidateFwd.h"
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#include "DataFormats/EgammaCandidates/interface/Photon.h"
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#include "DataFormats/EgammaCandidates/interface/PhotonFwd.h"
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#include "DataFormats/EgammaCandidates/interface/GsfElectron.h"
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#include "DataFormats/EgammaCandidates/interface/GsfElectronFwd.h"
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#include "DataFormats/MuonReco/interface/Muon.h"
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#include "DataFormats/MuonReco/interface/MuonFwd.h"
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//
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// class declaration
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//
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class CollectionMerger : public edm::EDProducer {
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public:
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explicit CollectionMerger(const edm::ParameterSet&);
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~CollectionMerger();
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static void fillDescriptions(edm::ConfigurationDescriptions& descriptions);
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private:
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virtual void beginJob() ;
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virtual void produce(edm::Event&, const edm::EventSetup&);
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virtual void endJob() ;
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virtual void beginRun(edm::Run&, edm::EventSetup const&);
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virtual void endRun(edm::Run&, edm::EventSetup const&);
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virtual void beginLuminosityBlock(edm::LuminosityBlock&, edm::EventSetup const&);
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virtual void endLuminosityBlock(edm::LuminosityBlock&, edm::EventSetup const&);
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// ----------member data ---------------------------
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std::vector<edm::InputTag> src_;
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std::string colType_;
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// bool clone_;
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unsigned maxOutputSize_;
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};
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//
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// constants, enums and typedefs
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//
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//
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// static data member definitions
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//
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//
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// constructors and destructor
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//
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CollectionMerger::CollectionMerger(const edm::ParameterSet& iConfig) :
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src_(iConfig.getParameter<std::vector<edm::InputTag> >("src")),
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colType_(iConfig.getParameter<std::string>("type")),
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// clone_(false),
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maxOutputSize_(-1)
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{
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// if(iConfig.existsAs<bool>("clone"))
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// clone_ = iConfig.getParameter<bool>("clone");
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if(iConfig.existsAs<int>("maxOutputSize"))
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maxOutputSize_ = iConfig.getParameter<int>("maxOutputSize");
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if(colType_ == "Photon"){
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// if(clone_)
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produces<reco::PhotonCollection>();
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// else
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// produces<edm::RefToBaseVector<reco::Photon> >();
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}
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else if(colType_ == "Electron"){
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// if(clone_)
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produces<reco::GsfElectronCollection>();
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// else
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// produces<reco::GsfElectronRefVector>();
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}
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else if(colType_ == "Muon"){
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// if(clone_)
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produces<reco::MuonCollection>();
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// else
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// produces<reco::MuonRefVector>();
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}
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else
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throw cms::Exception("Configuration") << colType_;
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}
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CollectionMerger::~CollectionMerger()
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{
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}
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//
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// member functions
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//
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// ------------ method called to produce the data ------------
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void
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CollectionMerger::produce(edm::Event& iEvent, const edm::EventSetup& iSetup)
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{
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using namespace edm;
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RefToBaseVector<reco::Candidate> merged;
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for(unsigned iS(0); iS < src_.size(); iS++){
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RefToBaseVector<reco::Candidate> const* vSrc(0);
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Handle<View<reco::Candidate> > srcHndl;
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if(iEvent.getByLabel(src_[iS], srcHndl))
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vSrc = &(srcHndl->refVector());
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else{
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Handle<RefToBaseVector<reco::Candidate> > bsrcHndl;
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if(iEvent.getByLabel(src_[iS], bsrcHndl))
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vSrc = bsrcHndl.product();
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else
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throw cms::Exception("ProductNotFound") << src_[iS];
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}
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for(RefToBaseVector<reco::Candidate>::const_iterator cItr(vSrc->begin()); cItr != vSrc->end(); ++cItr){
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bool counted(false);
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for(RefToBaseVector<reco::Candidate>::const_iterator it(merged.begin()); it != merged.end(); ++it){
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if(it->get() == cItr->get()){
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counted = true;
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break;
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}
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}
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if(counted) continue;
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merged.push_back(*cItr);
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}
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}
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if(colType_ == "Photon"){
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// if(clone_){
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std::auto_ptr<reco::PhotonCollection> output(new reco::PhotonCollection);
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unsigned iOut(0);
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for(RefToBaseVector<reco::Candidate>::const_iterator eItr(merged.begin()); eItr != merged.end() && iOut != maxOutputSize_; ++eItr, iOut++)
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output->push_back(*(static_cast<reco::Photon const*>(eItr->get())));
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iEvent.put(output);
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// }
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// else{
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// std::auto_ptr<RefToBaseVector<reco::Photon> > output(new RefToBaseVector<>);
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// unsigned iOut(0);
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// for(reco::PhotonRefVector::const_iterator eItr(merged.begin()); eItr != merged.end() && iOut != maxOutputSize_; ++eItr, iOut++)
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// output->push_back(*eItr);
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// iEvent.put(output);
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// std::auto_
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// produces<reco::PhotonCollection>();
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// else
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// produces<edm::RefToBaseVector<reco::Photon> >();
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}
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else if(colType_ == "Electron"){
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std::auto_ptr<reco::GsfElectronCollection> output(new reco::GsfElectronCollection);
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unsigned iOut(0);
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for(RefToBaseVector<reco::Candidate>::const_iterator eItr(merged.begin()); eItr != merged.end() && iOut != maxOutputSize_; ++eItr, iOut++)
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output->push_back(*(static_cast<reco::GsfElectron const*>(eItr->get())));
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iEvent.put(output);
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}
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else if(colType_ == "Muon"){
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std::auto_ptr<reco::MuonCollection> output(new reco::MuonCollection);
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unsigned iOut(0);
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for(RefToBaseVector<reco::Candidate>::const_iterator eItr(merged.begin()); eItr != merged.end() && iOut != maxOutputSize_; ++eItr, iOut++)
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output->push_back(*(static_cast<reco::Muon const*>(eItr->get())));
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iEvent.put(output);
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}
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}
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// ------------ method called once each job just before starting event loop ------------
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void
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CollectionMerger::beginJob()
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{
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}
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// ------------ method called once each job just after ending the event loop ------------
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void
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CollectionMerger::endJob() {
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}
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// ------------ method called when starting to processes a run ------------
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void
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CollectionMerger::beginRun(edm::Run&, edm::EventSetup const&)
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{
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}
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// ------------ method called when ending the processing of a run ------------
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void
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CollectionMerger::endRun(edm::Run&, edm::EventSetup const&)
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{
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}
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// ------------ method called when starting to processes a luminosity block ------------
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void
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CollectionMerger::beginLuminosityBlock(edm::LuminosityBlock&, edm::EventSetup const&)
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{
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}
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// ------------ method called when ending the processing of a luminosity block ------------
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void
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CollectionMerger::endLuminosityBlock(edm::LuminosityBlock&, edm::EventSetup const&)
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{
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}
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// ------------ method fills 'descriptions' with the allowed parameters for the module ------------
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void
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CollectionMerger::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
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//The following says we do not know what parameters are allowed so do no validation
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// Please change this to state exactly what you do use, even if it is no parameters
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edm::ParameterSetDescription desc;
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desc.setUnknown();
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descriptions.addDefault(desc);
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}
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//define this as a plug-in
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DEFINE_FWK_MODULE(CollectionMerger);
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