def _cleanup(self):
# Last event log has to be preserved so we can continue enforcing
# monotonicity. We entomb offset because that also has to be
# monotonic, but the size does not.
if 0 < self._index < len(self._logs):
deleted = self._logs[:self._index]
self._logs = self._logs[self._index:]
self._index = 0
self._entombed_progress += sum(l.get_offset() for l in deleted)
util.close_all(deleted)
def close(self):
"""Closes all event log readers.
This method may be called multiple times, but further operations
are not permitted.
Raises:
Exception: To propagate the most recent exception thrown by the
EventLogReader close method. Suppressed exceptions are
logged.
"""
util.close_all(self._logs)
self._index = len(self._logs)
self._mark = -1
self._prepended_events.clear()
self._saved_events.clear()
