code: public static void setOriginContainer(final Set<Tag> tags, final EntityContainer container) {
  	final UUID id = Identifiable.getID(container);
  	if (id != null) {
  	    tags.add(new OriginContainer(id));
  	}
      }
docs: Sets the origin container to the provided container (if {@link Identifiable}).
  
  @param tags
  Tag set.
  @param container
  Possible origin container.