FwdPtrConversionFactory.h

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#ifndef CommonTools_UtilAlgos_FwdPtrConversionFactory_h
#define CommonTools_UtilAlgos_FwdPtrConversionFactory_h
 
#include "DataFormats/Common/interface/FwdPtr.h"
#include "DataFormats/Common/interface/RefToBaseVector.h"
 
namespace edm {
  template <class T>
  struct ProductFromFwdPtrFactory {
    T operator()(edm::FwdPtr<T> const &r) const { return T(*r); }
  };
 
  template <class T>
  struct FwdPtrFromProductFactory {
    edm::FwdPtr<T> operator()(edm::View<T> const &view, unsigned int i) const {
      return edm::FwdPtr<T>(view.ptrAt(i), view.ptrAt(i));
    }
  };
 
}  // namespace edm
 
#endif