File indexing completed on 2024-04-06 12:01:16
0001 #ifndef CommonTools_UtilAlgos_ProductFromFwdPtrProducer_h
0002 #define CommonTools_UtilAlgos_ProductFromFwdPtrProducer_h
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0012 #include "FWCore/Framework/interface/global/EDProducer.h"
0013 #include "FWCore/Framework/interface/Event.h"
0014 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0015 #include "FWCore/Utilities/interface/InputTag.h"
0016 #include "DataFormats/Common/interface/View.h"
0017 #include "DataFormats/Common/interface/FwdPtr.h"
0018 #include "CommonTools/UtilAlgos/interface/FwdPtrConversionFactory.h"
0019 #include <vector>
0020
0021 namespace edm {
0022
0023 template <class T, class H = ProductFromFwdPtrFactory<T> >
0024 class ProductFromFwdPtrProducer : public edm::global::EDProducer<> {
0025 public:
0026 explicit ProductFromFwdPtrProducer(edm::ParameterSet const& params)
0027 : srcToken_(consumes<std::vector<edm::FwdPtr<T> > >(params.getParameter<edm::InputTag>("src"))) {
0028 produces<std::vector<T> >();
0029 }
0030
0031 ~ProductFromFwdPtrProducer() override {}
0032
0033 void produce(edm::StreamID, edm::Event& iEvent, const edm::EventSetup& iSetup) const override {
0034 edm::Handle<std::vector<edm::FwdPtr<T> > > hSrc;
0035 iEvent.getByToken(srcToken_, hSrc);
0036
0037 std::unique_ptr<std::vector<T> > pOutput(new std::vector<T>);
0038
0039 for (typename std::vector<edm::FwdPtr<T> >::const_iterator ibegin = hSrc->begin(), iend = hSrc->end(), i = ibegin;
0040 i != iend;
0041 ++i) {
0042 H factory;
0043 T t = factory(*i);
0044 pOutput->push_back(t);
0045 }
0046
0047 iEvent.put(std::move(pOutput));
0048 }
0049
0050 protected:
0051 const edm::EDGetTokenT<std::vector<edm::FwdPtr<T> > > srcToken_;
0052 };
0053 }
0054
0055 #endif