art::detail::DummyProductCache Class Reference

#include "DummyProductCache.h"

Public Member Functions
EDProduct const *	product (std::string const &wrappedName)

Private Attributes
std::map< std::string, std::unique_ptr< EDProduct > >	dummies_

Detailed Description

Definition at line 13 of file DummyProductCache.h.

Member Function Documentation

EDProduct const * art::detail::DummyProductCache::product

(

std::string const &

wrappedName

)

Definition at line 9 of file DummyProductCache.cc.

References art::errors::DictionaryNotFound, and dummies_.

Referenced by art::RootOutputFile::getProduct().

    {
      auto it = dummies_.find(wrappedName);
      if (it == dummies_.cend()) {
        TClass* cp = TClass::GetClass(wrappedName.c_str());
        if (cp == nullptr) {
          throw art::Exception(art::errors::DictionaryNotFound)
            << "TClass::GetClass() returned null pointer for name: "
            << wrappedName << '\n';
        }
        std::unique_ptr<EDProduct> dummy{
          reinterpret_cast<EDProduct*>(cp->New())};
        it = dummies_.emplace(wrappedName, move(dummy)).first;
      }
      return it->second.get();
    }

Member Data Documentation

std::map<std::string, std::unique_ptr<EDProduct> > art::detail::DummyProductCache::dummies_

private

Definition at line 18 of file DummyProductCache.h.

Referenced by product().

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The documentation for this class was generated from the following files:

• art/Framework/IO/Root/detail/DummyProductCache.h
• art/Framework/IO/Root/detail/DummyProductCache.cc