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#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "FWCore/Framework/interface/stream/EDFilter.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
class SimpleEventFilter : public edm::stream::EDFilter<> {
public:
SimpleEventFilter(const edm::ParameterSet &);
~SimpleEventFilter() override;
static void fillDescriptions(edm::ConfigurationDescriptions &descriptions);
private:
bool filter(edm::Event &, edm::EventSetup const &) override;
int nEvent_;
int nInterval_;
bool verbose_;
};
//
// -- Constructor
//
SimpleEventFilter::SimpleEventFilter(const edm::ParameterSet &pset) {
nInterval_ = pset.getUntrackedParameter<int>("EventsToSkip", 10);
verbose_ = pset.getUntrackedParameter<bool>("DebugOn", false);
nEvent_ = 0;
}
//
// -- Destructor
//
SimpleEventFilter::~SimpleEventFilter() = default;
bool SimpleEventFilter::filter(edm::Event &, edm::EventSetup const &) {
nEvent_++;
bool ret = true;
if (nEvent_ % nInterval_ != 0)
ret = false;
//if (verbose_ && !ret)
if (!ret)
edm::LogInfo("SimpleEventFilter") << ">>> filtering event" << nEvent_ << std::endl;
return ret;
}
// ------------ method fills 'descriptions' with the allowed parameters for the module ------------
void SimpleEventFilter::fillDescriptions(edm::ConfigurationDescriptions &descriptions) {
edm::ParameterSetDescription desc;
desc.setComment("filters one event every N");
desc.addUntracked<bool>("DebugOn", false)->setComment("activates debugging");
desc.addUntracked<int>("EventsToSkip", 10)->setComment("events to skip");
descriptions.add("_simpleEventFilter", desc);
}
#include "FWCore/Framework/interface/MakerMacros.h"
DEFINE_FWK_MODULE(SimpleEventFilter);
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