def reload_root_document
      {}.merge(collection.find({ _id: _id }, session: _session).read(mode: :primary).first || {})
    end
def reload_root_document
      {}.merge(collection.find({ _id: _id }, session: _session).read(mode: :primary).first || {})
    end
Reload the root document.

 @example Reload the document.
   document.reload_root_document

 @return [ Hash ] The reloaded attributes.

 @since 2.3.2