SiStripClusters2ApproxClusters.cc

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#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/stream/EDProducer.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Utilities/interface/InputTag.h"
#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
#include "DataFormats/SiStripCluster/interface/SiStripApproximateCluster.h"
#include "DataFormats/SiStripCluster/interface/SiStripCluster.h"
#include "DataFormats/Common/interface/DetSetVectorNew.h"
#include "DataFormats/Common/interface/DetSetVector.h"

#include <vector>
#include <memory>

class SiStripClusters2ApproxClusters : public edm::stream::EDProducer<> {
public:
  explicit SiStripClusters2ApproxClusters(const edm::ParameterSet& conf);
  void produce(edm::Event&, const edm::EventSetup&) override;

  static void fillDescriptions(edm::ConfigurationDescriptions& descriptions);

private:
  edm::InputTag inputClusters;
  edm::EDGetTokenT<edmNew::DetSetVector<SiStripCluster> > clusterToken;
};

SiStripClusters2ApproxClusters::SiStripClusters2ApproxClusters(const edm::ParameterSet& conf) {
  inputClusters = conf.getParameter<edm::InputTag>("inputClusters");

  clusterToken = consumes<edmNew::DetSetVector<SiStripCluster> >(inputClusters);
  produces<edmNew::DetSetVector<SiStripApproximateCluster> >();
}

void SiStripClusters2ApproxClusters::produce(edm::Event& event, edm::EventSetup const&) {
  auto result = std::make_unique<edmNew::DetSetVector<SiStripApproximateCluster> >();
  const auto& clusterCollection = event.get(clusterToken);

  for (const auto& detClusters : clusterCollection) {
    edmNew::DetSetVector<SiStripApproximateCluster>::FastFiller ff{*result, detClusters.id()};

    for (const auto& cluster : detClusters)
      ff.push_back(SiStripApproximateCluster(cluster));
  }

  event.put(std::move(result));
}

void SiStripClusters2ApproxClusters::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
  edm::ParameterSetDescription desc;
  desc.add<edm::InputTag>("inputClusters", edm::InputTag("siStripClusters"));
  descriptions.add("SiStripClusters2ApproxClusters", desc);
}

DEFINE_FWK_MODULE(SiStripClusters2ApproxClusters);