@utilities.arguments_not_none<EOL><INDENT>def search_among_assets(self, asset_ids):<DEDENT>
self._id_list = asset_ids<EOL>
Execute this search among the given list of assets.

        arg:    asset_ids (osid.id.IdList): list of asset ``Ids``
        raise:  NullArgument - ``asset_ids`` is ``null``
        *compliance: mandatory -- This method must be implemented.*