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Diffstat (limited to '')
| -rw-r--r-- | synapse/util/caches/stream_change_cache.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/synapse/util/caches/stream_change_cache.py b/synapse/util/caches/stream_change_cache.py index 70fe00ce0b..c498aee46c 100644 --- a/synapse/util/caches/stream_change_cache.py +++ b/synapse/util/caches/stream_change_cache.py @@ -89,6 +89,21 @@ class StreamChangeCache(object): return result + def has_any_entity_changed(self, stream_pos): + """Returns if any entity has changed + """ + assert type(stream_pos) is int + + if stream_pos >= self._earliest_known_stream_pos: + self.metrics.inc_hits() + if stream_pos >= max(self._cache): + return False + else: + return True + else: + self.metrics.inc_misses() + return True + def get_all_entities_changed(self, stream_pos): """Returns all entites that have had new things since the given position. If the position is too old it will return None. |