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# Copyright 2022 The Matrix.org Foundation C.I.C.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from typing import TYPE_CHECKING
import attr
from synapse.replication.tcp.streams import Stream
from synapse.replication.tcp.streams._base import current_token_without_instance
if TYPE_CHECKING:
from synapse.server import HomeServer
@attr.s(slots=True, frozen=True, auto_attribs=True)
class UnPartialStatedRoomStreamRow:
# ID of the room that has been un-partial-stated.
room_id: str
class UnPartialStatedRoomStream(Stream):
"""
Stream to notify about rooms becoming un-partial-stated;
that is, when the background sync finishes such that we now have full state for
the room.
"""
NAME = "un_partial_stated_room"
ROW_TYPE = UnPartialStatedRoomStreamRow
def __init__(self, hs: "HomeServer"):
store = hs.get_datastores().main
super().__init__(
hs.get_instance_name(),
# TODO(faster_joins, multiple writers): we need to account for instance names
current_token_without_instance(store.get_un_partial_stated_rooms_token),
store.get_un_partial_stated_rooms_from_stream,
)
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