def METHOD_NAME(self):
    """
    Retrieves a job summary from the HTCondor Schedd object
    :return: a list of classads representing the matching jobs, or None if failed
    """
    ### NOTE: SummaryOnly does not work with xquery method
    jobs = None  # return None to signalize the query failed
    queryOpts = htcondor.htcondor.QueryOpts.SummaryOnly
    try:
        return self.schedd.query(opts=queryOpts)
    except Exception:
        self.recreateSchedd()
    try:
        jobs = self.schedd.query(opts=queryOpts)
    except Exception as ex:
        logging.exception("Failed to fetch summary of jobs from Condor Schedd. Error: %s", str(ex))
    return jobs