64 lines
1.8 KiB
Python
64 lines
1.8 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014 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 twisted.internet import defer
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class EventSnapshot(object):
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def __init__(self, prev_events, depth, current_state,
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current_state_group):
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self._prev_events = prev_events
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self._depth = depth
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self._current_state = current_state
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self._current_state_group = current_state_group
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class EventCache(object):
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def __init__(self, store):
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self._store = store
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self._cache = {}
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@defer.inlineCallbacks
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def load_event(self, event_id):
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event = self._cache.get(event_id, None)
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if not event:
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event = yield self._store.get_event(
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event_id,
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allow_none=True
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)
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if event:
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self._cache[event_id] = event
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defer.returnValue(event)
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def load_event_from_cache(self, event_id):
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return self._cache.get(event_id, None)
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def add_to_cache(self, *events):
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self._cache.update({
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event.event_id: event
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for event in events
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})
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class EventContext(object):
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def __init__(self, current_state, auth_events):
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self.current_state = current_state
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self.auth_events = auth_events
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