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/** \class edmtest::PluginUsingProducer
\author Chris Jones, created 21 September 2018
*/
#include "FWCore/Framework/interface/global/EDProducer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
#include "FWCore/ParameterSet/interface/PluginDescription.h"
#include "FWCore/ParameterSet/interface/ValidatedPluginMacros.h"
#include "FWCore/ParameterSet/interface/ValidatedPluginFactoryMacros.h"
#include <vector>
namespace edm {
class EventSetup;
}
namespace edmtest {
struct IntMakerBase {
virtual ~IntMakerBase() = default;
virtual int value() const = 0;
};
using IntFactory = edmplugin::PluginFactory<IntMakerBase*(edm::ParameterSet const&)>;
} // namespace edmtest
EDM_REGISTER_VALIDATED_PLUGINFACTORY(edmtest::IntFactory, "edmtestIntFactory");
namespace edmtest {
struct OneMaker : public IntMakerBase {
explicit OneMaker(edm::ParameterSet const&) {}
int value() const final { return 1; };
static void fillPSetDescription(edm::ParameterSetDescription&) {}
};
struct ValueMaker : public IntMakerBase {
explicit ValueMaker(edm::ParameterSet const& iPSet) : value_{iPSet.getParameter<int>("value")} {}
int value() const final { return value_; };
static void fillPSetDescription(edm::ParameterSetDescription& iDesc) { iDesc.add<int>("value", 5); }
int value_;
};
class PluginUsingProducer : public edm::global::EDProducer<> {
public:
explicit PluginUsingProducer(edm::ParameterSet const&);
void produce(edm::StreamID, edm::Event&, edm::EventSetup const&) const override;
static void fillDescriptions(edm::ConfigurationDescriptions& iConf) {
edm::ParameterSetDescription pluginDesc;
pluginDesc.addNode(edm::PluginDescription<IntFactory>("type", "edmtestValueMaker", true));
edm::ParameterSetDescription top;
top.add<edm::ParameterSetDescription>("plugin", pluginDesc);
iConf.addWithDefaultLabel(top);
}
private:
std::unique_ptr<IntMakerBase> maker_;
edm::EDPutTokenT<int> putToken_;
};
PluginUsingProducer::PluginUsingProducer(edm::ParameterSet const& pset) : putToken_{produces<int>()} {
auto pluginPSet = pset.getParameter<edm::ParameterSet>("plugin");
maker_ = std::unique_ptr<IntMakerBase>{
IntFactory::get()->create(pluginPSet.getParameter<std::string>("type"), pluginPSet)};
}
void PluginUsingProducer::produce(edm::StreamID, edm::Event& event, edm::EventSetup const&) const {
event.emplace(putToken_, maker_->value());
}
} // namespace edmtest
using edmtest::PluginUsingProducer;
DEFINE_FWK_MODULE(PluginUsingProducer);
DEFINE_EDM_VALIDATED_PLUGIN(edmtest::IntFactory, edmtest::OneMaker, "edmtestOneMaker");
DEFINE_EDM_VALIDATED_PLUGIN(edmtest::IntFactory, edmtest::ValueMaker, "edmtestValueMaker");
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