module ActiveFedora::Attributes

def [](key)
  if assoc = self.association(key.to_sym)
    # This is for id attributes stored in the rdf graph.
    assoc.reader
  elsif self.class.properties.key?(key.to_s)
    # Use the generated method so that single value assetions are single
    self.send(key)
  else
    # The attribute is a delegate to a datastream
    array_reader(key)
  end
end