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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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+
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+from ._base import BaseSlavedStore
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+from ._slaved_id_tracker import SlavedIdTracker
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+
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+from synapse.storage import DataStore
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+
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+
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+class SlavedPusherStore(BaseSlavedStore):
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+
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+ def __init__(self, db_conn, hs):
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+ super(SlavedPusherStore, self).__init__(db_conn, hs)
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+ self._pushers_id_gen = SlavedIdTracker(
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+ db_conn, "pushers", "id",
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+ extra_tables=[("deleted_pushers", "stream_id")],
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+ )
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+
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+ get_all_pushers = DataStore.get_all_pushers.__func__
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+ get_pushers_by = DataStore.get_pushers_by.__func__
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+ get_pushers_by_app_id_and_pushkey = (
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+ DataStore.get_pushers_by_app_id_and_pushkey.__func__
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+ )
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+ _decode_pushers_rows = DataStore._decode_pushers_rows.__func__
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+
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+ def stream_positions(self):
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+ result = super(SlavedPusherStore, self).stream_positions()
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+ result["pushers"] = self._pushers_id_gen.get_current_token()
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+ return result
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+
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+ def process_replication(self, result):
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+ stream = result.get("pushers")
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+ if stream:
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+ self._pushers_id_gen.advance(stream["position"])
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+
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+ stream = result.get("deleted_pushers")
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+ if stream:
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+ self._pushers_id_gen.advance(stream["position"])
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+
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+ return super(SlavedPusherStore, self).process_replication(result)
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