PATTriggerObjectStandAloneSlimmer.cc

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// -*- C++ -*-
//
// Package:    PatAlgos
// Class:      pat::PATTriggerObjectStandAloneSlimmer
//
//
#include "FWCore/Framework/interface/global/EDProducer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Utilities/interface/InputTag.h"
 
#include "DataFormats/PatCandidates/interface/TriggerObjectStandAlone.h"
#include <set>
 
namespace pat {
 
  class PATTriggerObjectStandAloneSlimmer : public edm::global::EDProducer<> {
  public:
    explicit PATTriggerObjectStandAloneSlimmer(const edm::ParameterSet& iConfig);
    ~PATTriggerObjectStandAloneSlimmer() override{};
 
  private:
    void produce(edm::StreamID, edm::Event& iEvent, const edm::EventSetup& iSetup) const override;
 
    const edm::EDGetTokenT<TriggerObjectStandAloneCollection> srcToken_;
    const edm::EDGetTokenT<edm::TriggerResults> triggerResultsToken_;
 
    bool packFilterLabels_, packP4_;
  };
 
}  // namespace pat
 
using namespace pat;
 
PATTriggerObjectStandAloneSlimmer::PATTriggerObjectStandAloneSlimmer(const edm::ParameterSet& iConfig)
    : srcToken_(consumes<TriggerObjectStandAloneCollection>(iConfig.getParameter<edm::InputTag>("src"))),
      triggerResultsToken_(consumes<edm::TriggerResults>(iConfig.getParameter<edm::InputTag>("triggerResults"))),
      packFilterLabels_(iConfig.getParameter<bool>("packFilterLabels")),
      packP4_(iConfig.getParameter<bool>("packP4")) {
  produces<TriggerObjectStandAloneCollection>();
  if (packFilterLabels_) {
    produces<std::vector<std::string>>("filterLabels");
  }
}
 
void PATTriggerObjectStandAloneSlimmer::produce(edm::StreamID,
                                                edm::Event& iEvent,
                                                const edm::EventSetup& iSetup) const {
  edm::Handle<TriggerObjectStandAloneCollection> src;
  iEvent.getByToken(srcToken_, src);
  edm::Handle<edm::TriggerResults> triggerResults;
  iEvent.getByToken(triggerResultsToken_, triggerResults);
 
  auto slimmed = std::make_unique<TriggerObjectStandAloneCollection>(*src);
 
  if (packFilterLabels_) {
    std::set<std::string> allLabels;
    for (auto& obj : *slimmed) {
      obj.packFilterLabels(iEvent, *triggerResults);
    }
  }
  if (packP4_) {
    for (TriggerObjectStandAlone& obj : *slimmed) {
      obj.packP4();
    }
  }
  iEvent.put(std::move(slimmed));
}
 
#include "FWCore/Framework/interface/MakerMacros.h"
DEFINE_FWK_MODULE(PATTriggerObjectStandAloneSlimmer);