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#ifndef CommonTools_UtilAlgos_ProductFromFwdPtrProducer_h
#define CommonTools_UtilAlgos_ProductFromFwdPtrProducer_h
/**
\class edm::ProductFromFwdPtrProducer ProductFromFwdPtrProducer.h "CommonTools/UtilAlgos/interface/ProductFromFwdPtrProducer.h"
\brief Produces a list of objects "by value" that correspond to the FwdPtr's from an input collection.
\author Salvatore Rappoccio
*/
#include "FWCore/Framework/interface/global/EDProducer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Utilities/interface/InputTag.h"
#include "DataFormats/Common/interface/View.h"
#include "DataFormats/Common/interface/FwdPtr.h"
#include "CommonTools/UtilAlgos/interface/FwdPtrConversionFactory.h"
#include <vector>
namespace edm {
template <class T, class H = ProductFromFwdPtrFactory<T> >
class ProductFromFwdPtrProducer : public edm::global::EDProducer<> {
public:
explicit ProductFromFwdPtrProducer(edm::ParameterSet const& params)
: srcToken_(consumes<std::vector<edm::FwdPtr<T> > >(params.getParameter<edm::InputTag>("src"))) {
produces<std::vector<T> >();
}
~ProductFromFwdPtrProducer() override {}
void produce(edm::StreamID, edm::Event& iEvent, const edm::EventSetup& iSetup) const override {
edm::Handle<std::vector<edm::FwdPtr<T> > > hSrc;
iEvent.getByToken(srcToken_, hSrc);
std::unique_ptr<std::vector<T> > pOutput(new std::vector<T>);
for (typename std::vector<edm::FwdPtr<T> >::const_iterator ibegin = hSrc->begin(), iend = hSrc->end(), i = ibegin;
i != iend;
++i) {
H factory;
T t = factory(*i);
pOutput->push_back(t);
}
iEvent.put(std::move(pOutput));
}
protected:
const edm::EDGetTokenT<std::vector<edm::FwdPtr<T> > > srcToken_;
};
} // namespace edm
#endif
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