NMaxPerLumi.cc

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// -*- C++ -*-
//
// Package:    NMaxPerLumi
// Class:      NMaxPerLumi
//
//
// Original Author:  Jean-Roch Vlimant,40 3-A28,+41227671209,
//         Created:  Fri Apr  9 18:54:59 CEST 2010
// $Id: NMaxPerLumi.cc,v 1.3 2010/10/03 10:15:07 elmer Exp $
//
//
 
// system include files
#include <memory>
 
// user include files
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/EDFilter.h"
 
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"
 
#include "FWCore/ParameterSet/interface/ParameterSet.h"
 
//
// class declaration
//
 
class NMaxPerLumi : public edm::EDFilter {
public:
  explicit NMaxPerLumi(const edm::ParameterSet&);
  ~NMaxPerLumi() override;
 
private:
  void beginJob() override;
  bool filter(edm::Event&, const edm::EventSetup&) override;
  void endJob() override;
 
  // ----------member data ---------------------------
  std::map<unsigned int, std::map<unsigned int, unsigned int> > counters;
  unsigned int nMaxPerLumi_;
};
 
//
// constants, enums and typedefs
//
 
//
// static data member definitions
//
 
//
// constructors and destructor
//
NMaxPerLumi::NMaxPerLumi(const edm::ParameterSet& iConfig) {
  //now do what ever initialization is needed
 
  nMaxPerLumi_ = iConfig.getParameter<unsigned int>("nMaxPerLumi");
}
 
NMaxPerLumi::~NMaxPerLumi() {
  // do anything here that needs to be done at desctruction time
  // (e.g. close files, deallocate resources etc.)
}
 
//
// member functions
//
 
// ------------ method called on each new Event  ------------
bool NMaxPerLumi::filter(edm::Event& iEvent, const edm::EventSetup& iSetup) {
  const edm::EventID& id = iEvent.id();
 
  if (counters[id.run()][id.luminosityBlock()] >= nMaxPerLumi_)
    return false;
  else {
    counters[id.run()][id.luminosityBlock()]++;
    return true;
  }
}
 
// ------------ method called once each job just before starting event loop  ------------
void NMaxPerLumi::beginJob() {}
 
// ------------ method called once each job just after ending the event loop  ------------
void NMaxPerLumi::endJob() {}
 
//define this as a plug-in
DEFINE_FWK_MODULE(NMaxPerLumi);