Gets an asset search session.

        return: (osid.repository.AssetSearchSession) - an
                ``AssetSearchSession``
        raise:  OperationFailed - unable to complete request
        raise:  Unimplemented - ``supports_asset_search()`` is ``false``
        *compliance: optional -- This method must be implemented if
        ``supports_asset_search()`` is ``true``.*

def get_asset_search_session(self):
        """Gets an asset search session.

        return: (osid.repository.AssetSearchSession) - an
                ``AssetSearchSession``
        raise:  OperationFailed - unable to complete request
        raise:  Unimplemented - ``supports_asset_search()`` is ``false``
        *compliance: optional -- This method must be implemented if
        ``supports_asset_search()`` is ``true``.*

        """
        if not self.supports_asset_search():
            raise errors.Unimplemented()
        # pylint: disable=no-member
        return sessions.AssetSearchSession(runtime=self._runtime)