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#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
#include "FWCore/Framework/interface/one/EDProducer.h"
#include "FWCore/Framework/interface/Event.h"
#include "DataFormats/Provenance/interface/EventAuxiliary.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/Utilities/interface/EDPutToken.h"
#include <deque>
namespace edm {
class EventAuxiliaryHistoryProducer : public one::EDProducer<> {
public:
explicit EventAuxiliaryHistoryProducer(ParameterSet const&);
static void fillDescriptions(ConfigurationDescriptions& descriptions);
void produce(Event& e, EventSetup const& c) override;
void endJob() override;
private:
unsigned int depth_;
std::deque<EventAuxiliary> history_;
EDPutTokenT<std::vector<EventAuxiliary>> token_;
};
EventAuxiliaryHistoryProducer::EventAuxiliaryHistoryProducer(ParameterSet const& ps)
: depth_(ps.getParameter<unsigned int>("historyDepth")),
history_(),
token_{produces<std::vector<EventAuxiliary>>()} {}
void EventAuxiliaryHistoryProducer::produce(Event& e, EventSetup const&) {
EventAuxiliary aux(e.id(),
"",
e.time(),
e.isRealData(),
e.experimentType(),
e.bunchCrossing(),
EventAuxiliary::invalidStoreNumber,
e.orbitNumber());
//EventAuxiliary const& aux = e.auxiliary(); // when available
if (!history_.empty()) {
if (history_.back().id().next(aux.luminosityBlock()) != aux.id())
history_.clear();
if (history_.size() >= depth_)
history_.pop_front();
}
history_.push_back(aux);
e.emplace(token_, history_.begin(), history_.end());
}
void EventAuxiliaryHistoryProducer::endJob() {}
void EventAuxiliaryHistoryProducer::fillDescriptions(ConfigurationDescriptions& descriptions) {
ParameterSetDescription desc;
desc.add<unsigned int>("historyDepth");
descriptions.add("eventAuxiliaryHistory", desc);
}
} // namespace edm
using edm::EventAuxiliaryHistoryProducer;
DEFINE_FWK_MODULE(EventAuxiliaryHistoryProducer);
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