diff options
Diffstat (limited to 'synapse/util/caches/stream_change_cache.py')
| -rw-r--r-- | synapse/util/caches/stream_change_cache.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/synapse/util/caches/stream_change_cache.py b/synapse/util/caches/stream_change_cache.py index 3c051dabc4..b72bb0ff02 100644 --- a/synapse/util/caches/stream_change_cache.py +++ b/synapse/util/caches/stream_change_cache.py @@ -121,3 +121,9 @@ class StreamChangeCache(object): k, r = self._cache.popitem() self._earliest_known_stream_pos = max(k, self._earliest_known_stream_pos) self._entity_to_key.pop(r, None) + + def get_max_pos_of_last_change(self, entity): + """Returns an upper bound of the stream id of the last change to an + entity. + """ + return self._entity_to_key.get(entity, self._earliest_known_stream_pos) |