Integration/plugins/RandomIntProducer.cc

0001 #include "FWCore/AbstractServices/interface/RandomNumberGenerator.h"
0002
0003 #include "FWCore/Framework/interface/one/EDProducer.h"
0004 #include "FWCore/Framework/interface/MakerMacros.h"
0005 #include "FWCore/Framework/interface/Event.h"
0006 #include "FWCore/Framework/interface/LuminosityBlock.h"
0007
0008 #include "FWCore/Utilities/interface/EDPutToken.h"
0009 #include "FWCore/Utilities/interface/Transition.h"
0010 #include "FWCore/ServiceRegistry/interface/Service.h"
0011
0012 #include "DataFormats/TestObjects/interface/ToyProducts.h"
0013
0014 #include "CLHEP/Random/RandFlat.h"
0015
0016 namespace edmtest {
0017   class RandomIntProducer : public edm::one::EDProducer<edm::BeginLuminosityBlockProducer> {
0018   public:
0019     RandomIntProducer(edm::ParameterSet const& iPSet);
0020
0021     void produce(edm::Event&, edm::EventSetup const&) final;
0022
0023     void beginLuminosityBlockProduce(edm::LuminosityBlock&, edm::EventSetup const&) final;
0024
0025   private:
0026     edm::EDPutTokenT<IntProduct> const evToken_;
0027     edm::EDPutTokenT<IntProduct> const lumiToken_;
0028   };
0029   RandomIntProducer::RandomIntProducer(edm::ParameterSet const&)
0030       : evToken_{produces<IntProduct>()},
0031         lumiToken_{produces<IntProduct, edm::Transition::BeginLuminosityBlock>("lumi")} {}
0032
0033   void RandomIntProducer::produce(edm::Event& iEvent, edm::EventSetup const&) {
0034     edm::Service<edm::RandomNumberGenerator> gen;
0035     iEvent.emplace(evToken_, CLHEP::RandFlat::shootInt(&gen->getEngine(iEvent.streamID()), 10));
0036   }
0037
0038   void RandomIntProducer::beginLuminosityBlockProduce(edm::LuminosityBlock& iLumi, edm::EventSetup const&) {
0039     edm::Service<edm::RandomNumberGenerator> gen;
0040     iLumi.emplace(lumiToken_, CLHEP::RandFlat::shootInt(&gen->getEngine(iLumi.index()), 10));
0041   }
0042
0043 }  // namespace edmtest
0044
0045 using namespace edmtest;
0046 DEFINE_FWK_MODULE(RandomIntProducer);