':param log_file_name: (optional) name of file to log command output to'

def __init__(self, log_file_name=None):

    self.done = False
    self.started = False
    self.success = None
    self.aborted = False
    self.monitor = None
    self.queue_entry_ids = []
    self.host_ids = []
    self._log_file_name = log_file_name
