def get_repositories(self):
if self.retrieved:<EOL><INDENT>raise errors.IllegalState('<STR_LIT>')<EOL><DEDENT>self.retrieved = True<EOL>return objects.RepositoryList(self._results, runtime=self._runtime)<EOL>
Gets the repository list resulting from the search.

        return: (osid.repository.RepositoryList) - the repository list
        raise:  IllegalState - the list has already been retrieved
        *compliance: mandatory -- This method must be implemented.*