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/*_________________________________________________________________
class: AlcaPCCIntegrator.cc
authors: Sam Higginbotham (shigginb@cern.ch), Chris Palmer (capalmer@cern.ch), Attila Radl (attila.radl@cern.ch)
________________________________________________________________**/
// C++ standard
#include <string>
// CMS
#include "DataFormats/Luminosity/interface/PixelClusterCounts.h"
#include "DataFormats/Luminosity/interface/PixelClusterCountsInEvent.h"
#include "FWCore/Framework/interface/ConsumesCollector.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/LuminosityBlock.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/Framework/interface/global/EDProducer.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Utilities/interface/EDGetToken.h"
//The class
class AlcaPCCIntegrator : public edm::global::EDProducer<edm::LuminosityBlockSummaryCache<reco::PixelClusterCounts>,
edm::StreamCache<reco::PixelClusterCounts>,
edm::EndLuminosityBlockProducer,
edm::Accumulator> {
public:
explicit AlcaPCCIntegrator(const edm::ParameterSet&);
~AlcaPCCIntegrator() override = default;
std::unique_ptr<reco::PixelClusterCounts> beginStream(edm::StreamID) const override;
std::shared_ptr<reco::PixelClusterCounts> globalBeginLuminosityBlockSummary(edm::LuminosityBlock const&,
edm::EventSetup const&) const override;
void accumulate(edm::StreamID iID, const edm::Event& iEvent, const edm::EventSetup&) const override;
void streamEndLuminosityBlockSummary(edm::StreamID,
edm::LuminosityBlock const&,
edm::EventSetup const&,
reco::PixelClusterCounts*) const override;
void globalEndLuminosityBlockSummary(edm::LuminosityBlock const&,
edm::EventSetup const&,
reco::PixelClusterCounts* iCounts) const override;
void globalEndLuminosityBlockProduce(edm::LuminosityBlock& iLumi,
edm::EventSetup const&,
reco::PixelClusterCounts const* iCounts) const override;
private:
const edm::EDPutTokenT<reco::PixelClusterCounts> lumiPutToken_;
const edm::EDGetTokenT<reco::PixelClusterCountsInEvent> pccToken_;
};
AlcaPCCIntegrator::AlcaPCCIntegrator(const edm::ParameterSet& iConfig)
: lumiPutToken_(produces<reco::PixelClusterCounts, edm::Transition::EndLuminosityBlock>(
iConfig.getParameter<edm::ParameterSet>("AlcaPCCIntegratorParameters").getParameter<std::string>("ProdInst"))),
pccToken_(consumes<reco::PixelClusterCountsInEvent>(
iConfig.getParameter<edm::ParameterSet>("AlcaPCCIntegratorParameters")
.getParameter<edm::InputTag>("inputPccLabel"))) {}
std::unique_ptr<reco::PixelClusterCounts> AlcaPCCIntegrator::beginStream(edm::StreamID StreamID) const {
return std::make_unique<reco::PixelClusterCounts>();
}
std::shared_ptr<reco::PixelClusterCounts> AlcaPCCIntegrator::globalBeginLuminosityBlockSummary(
edm::LuminosityBlock const&, edm::EventSetup const&) const {
return std::make_shared<reco::PixelClusterCounts>();
}
void AlcaPCCIntegrator::globalEndLuminosityBlockSummary(edm::LuminosityBlock const&,
edm::EventSetup const&,
reco::PixelClusterCounts*) const {}
void AlcaPCCIntegrator::accumulate(edm::StreamID iID, const edm::Event& iEvent, const edm::EventSetup&) const {
edm::Handle<reco::PixelClusterCountsInEvent> pccHandle;
iEvent.getByToken(pccToken_, pccHandle);
if (!pccHandle.isValid()) {
// do not resolve a not existing product!
return;
}
const reco::PixelClusterCountsInEvent inputPcc = *pccHandle;
unsigned int bx = iEvent.bunchCrossing();
// add the BXID of the event to the stream cache
streamCache(iID)->eventCounter(bx);
// add the PCCs from the event to the stream cache
streamCache(iID)->add(inputPcc);
}
void AlcaPCCIntegrator::streamEndLuminosityBlockSummary(edm::StreamID iID,
edm::LuminosityBlock const&,
edm::EventSetup const&,
reco::PixelClusterCounts* iCounts) const {
iCounts->merge(*streamCache(iID));
// now clear in order to be ready for the next LuminosityBlock
streamCache(iID)->reset();
}
void AlcaPCCIntegrator::globalEndLuminosityBlockProduce(edm::LuminosityBlock& iLumi,
edm::EventSetup const&,
reco::PixelClusterCounts const* iCounts) const {
// save the PCC object
iLumi.emplace(lumiPutToken_, *iCounts);
}
DEFINE_FWK_MODULE(AlcaPCCIntegrator);
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