AnotherPrimaryVertexAnalyzer.cc

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// -*- C++ -*-
//
// Package:    Validation/RecoVertex
// Class:      AnotherPrimaryVertexAnalyzer
//
//
// Original Author:  Andrea Venturi
//         Created:  Mon Oct 27 17:37:53 CET 2008
//
//
 
// system include files
#include <memory>
 
// user include files
 
#include <vector>
#include <map>
#include <limits>
#include <string>
 
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/one/EDAnalyzer.h"
#include "FWCore/Framework/interface/ConsumesCollector.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/Run.h"
#include "FWCore/Framework/interface/MakerMacros.h"
 
#include "FWCore/ParameterSet/interface/ParameterSet.h"
 
#include "FWCore/Utilities/interface/InputTag.h"
 
#include "Validation/RecoVertex/interface/VertexHistogramMaker.h"
#include "DataFormats/VertexReco/interface/VertexFwd.h"
#include "DataFormats/VertexReco/interface/Vertex.h"
 
#include "CommonTools/TriggerUtils/interface/PrescaleWeightProvider.h"
 
//
// class decleration
//
 
class AnotherPrimaryVertexAnalyzer : public edm::one::EDAnalyzer<edm::one::WatchRuns, edm::one::SharedResources> {
public:
  explicit AnotherPrimaryVertexAnalyzer(const edm::ParameterSet&);
  ~AnotherPrimaryVertexAnalyzer() override;
 
private:
  void beginJob() override;
  void analyze(const edm::Event&, const edm::EventSetup&) override;
  void beginRun(const edm::Run&, const edm::EventSetup&) override;
  void endRun(const edm::Run&, const edm::EventSetup&) override;
  void endJob() override;
 
  // ----------member data ---------------------------
 
  VertexHistogramMaker _vhm;
  edm::EDGetTokenT<reco::VertexCollection> _recoVertexCollectionToken;
  bool _firstOnly;
 
  std::unique_ptr<PrescaleWeightProvider> _weightprov;
};
 
//
// constants, enums and typedefs
//
 
//
// static data member definitions
//
 
//
// constructors and destructor
//
AnotherPrimaryVertexAnalyzer::AnotherPrimaryVertexAnalyzer(const edm::ParameterSet& iConfig)
    : _vhm(iConfig.getParameter<edm::ParameterSet>("vHistogramMakerPSet"), consumesCollector()),
      _recoVertexCollectionToken(consumes<reco::VertexCollection>(iConfig.getParameter<edm::InputTag>("pvCollection"))),
      _firstOnly(iConfig.getUntrackedParameter<bool>("firstOnly", false)),
      _weightprov(
          iConfig.getParameter<bool>("usePrescaleWeight")
              ? new PrescaleWeightProvider(
                    iConfig.getParameter<edm::ParameterSet>("prescaleWeightProviderPSet"), consumesCollector(), *this)
              : nullptr) {
  //now do what ever initialization is needed
  usesResource(TFileService::kSharedResource);
  //
  _vhm.book();
}
 
AnotherPrimaryVertexAnalyzer::~AnotherPrimaryVertexAnalyzer() {}
 
//
// member functions
//
 
// ------------ method called to for each event  ------------
void AnotherPrimaryVertexAnalyzer::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup) {
  // compute event weigth
 
  double weight = 1.;
 
  if (_weightprov)
    weight = _weightprov->prescaleWeight(iEvent, iSetup);
 
  // get PV
 
  edm::Handle<reco::VertexCollection> pvcoll;
  iEvent.getByToken(_recoVertexCollectionToken, pvcoll);
 
  if (_firstOnly) {
    reco::VertexCollection firstpv;
    if (!pvcoll->empty())
      firstpv.push_back((*pvcoll)[0]);
    _vhm.fill(iEvent, firstpv, weight);
  } else {
    _vhm.fill(iEvent, *pvcoll, weight);
  }
}
 
// ------------ method called once each job just before starting event loop  ------------
void AnotherPrimaryVertexAnalyzer::beginJob() {}
 
void AnotherPrimaryVertexAnalyzer::beginRun(const edm::Run& iRun, const edm::EventSetup& iSetup) {
  _vhm.beginRun(iRun);
 
  if (_weightprov)
    _weightprov->initRun(iRun, iSetup);
}
 
void AnotherPrimaryVertexAnalyzer::endRun(const edm::Run& iRun, const edm::EventSetup& iSetup) {}
// ------------ method called once each job just after ending the event loop  ------------
void AnotherPrimaryVertexAnalyzer::endJob() {}
 
//define this as a plug-in
DEFINE_FWK_MODULE(AnotherPrimaryVertexAnalyzer);