diff options
Diffstat (limited to 'synapse/storage/util')
| -rw-r--r-- | synapse/storage/util/id_generators.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/synapse/storage/util/id_generators.py b/synapse/storage/util/id_generators.py index 86d04ea9ac..f89ce0bed2 100644 --- a/synapse/storage/util/id_generators.py +++ b/synapse/storage/util/id_generators.py @@ -166,6 +166,7 @@ class ChainedIdGenerator(object): def __init__(self, chained_generator, db_conn, table, column): self.chained_generator = chained_generator + self._table = table self._lock = threading.Lock() self._current_max = _load_current_id(db_conn, table, column) self._unfinished_ids = deque() # type: Deque[Tuple[int, int]] @@ -204,6 +205,16 @@ class ChainedIdGenerator(object): return self._current_max, self.chained_generator.get_current_token() + def advance(self, token: int): + """Stub implementation for advancing the token when receiving updates + over replication; raises an exception as this instance should be the + only source of updates. + """ + + raise Exception( + "Attempted to advance token on source for table %r", self._table + ) + class MultiWriterIdGenerator: """An ID generator that tracks a stream that can have multiple writers. |