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#ifndef DataFormats_Common_SimpleEDProductGetter_h
#define DataFormats_Common_SimpleEDProductGetter_h
#include "DataFormats/Common/interface/EDProductGetter.h"
#include "DataFormats/Common/interface/Wrapper.h"
#include "FWCore/Utilities/interface/propagate_const.h"
#include <map>
#include <memory>
class SimpleEDProductGetter : public edm::EDProductGetter {
public:
typedef std::map<edm::ProductID, edm::propagate_const<std::shared_ptr<edm::WrapperBase>>> map_t;
template <typename T>
void addProduct(edm::ProductID const& id, std::unique_ptr<T> p) {
typedef edm::Wrapper<T> wrapper_t;
std::shared_ptr<wrapper_t> product = std::make_shared<wrapper_t>(std::move(p));
database[id] = product;
}
size_t size() const { return database.size(); }
edm::WrapperBase const* getIt(edm::ProductID const& id) const override {
map_t::const_iterator i = database.find(id);
if (i == database.end()) {
edm::Exception e(edm::errors::ProductNotFound, "InvalidID");
e << "No product with ProductID " << id << " is available from this EDProductGetter\n";
throw e;
}
return i->second.get();
}
std::optional<std::tuple<edm::WrapperBase const*, unsigned int>> getThinnedProduct(edm::ProductID const&,
unsigned int) const override {
return std::nullopt;
}
void getThinnedProducts(edm::ProductID const& pid,
std::vector<edm::WrapperBase const*>& wrappers,
std::vector<unsigned int>& keys) const override {}
edm::OptionalThinnedKey getThinnedKeyFrom(edm::ProductID const&, unsigned int, edm::ProductID const&) const override {
return std::monostate{};
}
private:
unsigned int transitionIndex_() const override { return 0U; }
map_t database;
};
#endif
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