StoreContainerTrait.h

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#ifndef UtilAlgos_StoreContainerTrait_h
#define UtilAlgos_StoreContainerTrait_h
/* \class helper::StoreContainerTrait
 *
 * \author Luca Lista, INFN
 */
#include "DataFormats/Common/interface/RefVector.h"
#include "DataFormats/Common/interface/RefToBaseVector.h"
#include "DataFormats/Common/interface/PtrVector.h"
#include "DataFormats/Common/interface/AssociationVector.h"

namespace helper {
  template <typename OutputCollection>
  struct StoreContainerTrait {
    typedef std::vector<const typename OutputCollection::value_type *> type;
  };

  template <typename C>
  struct StoreContainerTrait<edm::RefVector<C> > {
    typedef edm::RefVector<C> type;
  };

  template <typename T>
  struct StoreContainerTrait<edm::RefToBaseVector<T> > {
    typedef edm::RefToBaseVector<T> type;
  };

  template <typename T>
  struct StoreContainerTrait<edm::PtrVector<T> > {
    typedef edm::PtrVector<T> type;
  };

  template <typename R, typename C>
  struct StoreContainerTrait<edm::AssociationVector<R, C> > {
    typedef typename StoreContainerTrait<typename R::product_type>::type type;
  };
}  // namespace helper

#endif