SingleObjectRefSelector.h

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#ifndef UtilAlgos_SingleObjectRefSelector_h
#define UtilAlgos_SingleObjectRefSelector_h
/* \class SingleObjectRefSelector
 *
 * \author Luca Lista, INFN
 */
#include "FWCore/Framework/interface/ConsumesCollector.h"
#include "CommonTools/UtilAlgos/interface/ObjectSelector.h"
#include "CommonTools/UtilAlgos/interface/StoreContainerTrait.h"
#include "CommonTools/UtilAlgos/interface/SelectionAdderTrait.h"
#include "CommonTools/UtilAlgos/interface/SingleElementCollectionRefSelector.h"
#include "DataFormats/Common/interface/View.h"

template <typename InputType,
          typename Selector,
          typename OutputCollection = typename ::helper::SelectedOutputCollectionTrait<edm::View<InputType>>::type,
          typename StoreContainer = typename ::helper::StoreContainerTrait<OutputCollection>::type,
          typename PostProcessor = ::helper::NullPostProcessor<OutputCollection>,
          typename StoreManager = typename ::helper::StoreManagerTrait<OutputCollection, edm::stream::EDFilter<>>::type,
          typename Base = typename ::helper::StoreManagerTrait<OutputCollection, edm::stream::EDFilter<>>::base,
          typename RefAdder = typename ::helper::SelectionAdderTrait<edm::View<InputType>, StoreContainer>::type>
class SingleObjectRefSelector
    : public ObjectSelector<
          SingleElementCollectionRefSelector<InputType, Selector, OutputCollection, StoreContainer, RefAdder>,
          OutputCollection,
          NonNullNumberSelector,
          PostProcessor,
          StoreManager,
          Base> {
public:
  explicit SingleObjectRefSelector(const edm::ParameterSet& cfg)
      : ObjectSelector<
            SingleElementCollectionRefSelector<InputType, Selector, OutputCollection, StoreContainer, RefAdder>,
            OutputCollection,
            NonNullNumberSelector,
            PostProcessor>(cfg) {}
  ~SingleObjectRefSelector() override {}
};

#endif