2017-07-20 10:13:18 -06:00
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# -*- coding: utf-8 -*-
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# Copyright 2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from synapse.storage import DataStore
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from synapse.util.caches.stream_change_cache import StreamChangeCache
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2018-07-09 00:09:20 -06:00
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from ._base import BaseSlavedStore
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from ._slaved_id_tracker import SlavedIdTracker
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2017-07-20 10:13:18 -06:00
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class SlavedGroupServerStore(BaseSlavedStore):
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def __init__(self, db_conn, hs):
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super(SlavedGroupServerStore, self).__init__(db_conn, hs)
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self.hs = hs
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self._group_updates_id_gen = SlavedIdTracker(
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db_conn, "local_group_updates", "stream_id",
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)
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self._group_updates_stream_cache = StreamChangeCache(
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"_group_updates_stream_cache", self._group_updates_id_gen.get_current_token(),
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)
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get_groups_changes_for_user = DataStore.get_groups_changes_for_user.__func__
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get_group_stream_token = DataStore.get_group_stream_token.__func__
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get_all_groups_for_user = DataStore.get_all_groups_for_user.__func__
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def stream_positions(self):
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result = super(SlavedGroupServerStore, self).stream_positions()
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result["groups"] = self._group_updates_id_gen.get_current_token()
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return result
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def process_replication_rows(self, stream_name, token, rows):
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if stream_name == "groups":
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self._group_updates_id_gen.advance(token)
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for row in rows:
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self._group_updates_stream_cache.entity_has_changed(
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row.user_id, token
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)
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return super(SlavedGroupServerStore, self).process_replication_rows(
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stream_name, token, rows
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)
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