Rename storage classes (#12913)

1 files changed, 0 insertions, 320 deletions

diff --git a/synapse/storage/state.py b/synapse/storage/state.py
index ab630953ac..96aaffb53c 100644
--- a/synapse/storage/state.py
+++ b/synapse/storage/state.py
@@ -15,7 +15,6 @@
 import logging
 from typing import (
     TYPE_CHECKING,
-    Awaitable,
     Callable,
     Collection,
     Dict,
@@ -32,15 +31,11 @@ import attr
 from frozendict import frozendict
 
 from synapse.api.constants import EventTypes
-from synapse.events import EventBase
-from synapse.storage.util.partial_state_events_tracker import PartialStateEventsTracker
 from synapse.types import MutableStateMap, StateKey, StateMap
 
 if TYPE_CHECKING:
     from typing import FrozenSet  # noqa: used within quoted type hint; flake8 sad
 
-    from synapse.server import HomeServer
-    from synapse.storage.databases import Databases
 
 logger = logging.getLogger(__name__)
 
@@ -578,318 +573,3 @@ _ALL_NON_MEMBER_STATE_FILTER = StateFilter(
     types=frozendict({EventTypes.Member: frozenset()}), include_others=True
 )
 _NONE_STATE_FILTER = StateFilter(types=frozendict(), include_others=False)
-
-
-class StateGroupStorage:
-    """High level interface to fetching state for event."""
-
-    def __init__(self, hs: "HomeServer", stores: "Databases"):
-        self._is_mine_id = hs.is_mine_id
-        self.stores = stores
-        self._partial_state_events_tracker = PartialStateEventsTracker(stores.main)
-
-    def notify_event_un_partial_stated(self, event_id: str) -> None:
-        self._partial_state_events_tracker.notify_un_partial_stated(event_id)
-
-    async def get_state_group_delta(
-        self, state_group: int
-    ) -> Tuple[Optional[int], Optional[StateMap[str]]]:
-        """Given a state group try to return a previous group and a delta between
-        the old and the new.
-
-        Args:
-            state_group: The state group used to retrieve state deltas.
-
-        Returns:
-            A tuple of the previous group and a state map of the event IDs which
-            make up the delta between the old and new state groups.
-        """
-
-        state_group_delta = await self.stores.state.get_state_group_delta(state_group)
-        return state_group_delta.prev_group, state_group_delta.delta_ids
-
-    async def get_state_groups_ids(
-        self, _room_id: str, event_ids: Collection[str]
-    ) -> Dict[int, MutableStateMap[str]]:
-        """Get the event IDs of all the state for the state groups for the given events
-
-        Args:
-            _room_id: id of the room for these events
-            event_ids: ids of the events
-
-        Returns:
-            dict of state_group_id -> (dict of (type, state_key) -> event id)
-
-        Raises:
-            RuntimeError if we don't have a state group for one or more of the events
-               (ie they are outliers or unknown)
-        """
-        if not event_ids:
-            return {}
-
-        event_to_groups = await self.get_state_group_for_events(event_ids)
-
-        groups = set(event_to_groups.values())
-        group_to_state = await self.stores.state._get_state_for_groups(groups)
-
-        return group_to_state
-
-    async def get_state_ids_for_group(
-        self, state_group: int, state_filter: Optional[StateFilter] = None
-    ) -> StateMap[str]:
-        """Get the event IDs of all the state in the given state group
-
-        Args:
-            state_group: A state group for which we want to get the state IDs.
-            state_filter: specifies the type of state event to fetch from DB, example: EventTypes.JoinRules
-
-        Returns:
-            Resolves to a map of (type, state_key) -> event_id
-        """
-        group_to_state = await self.get_state_for_groups((state_group,), state_filter)
-
-        return group_to_state[state_group]
-
-    async def get_state_groups(
-        self, room_id: str, event_ids: Collection[str]
-    ) -> Dict[int, List[EventBase]]:
-        """Get the state groups for the given list of event_ids
-
-        Args:
-            room_id: ID of the room for these events.
-            event_ids: The event IDs to retrieve state for.
-
-        Returns:
-            dict of state_group_id -> list of state events.
-        """
-        if not event_ids:
-            return {}
-
-        group_to_ids = await self.get_state_groups_ids(room_id, event_ids)
-
-        state_event_map = await self.stores.main.get_events(
-            [
-                ev_id
-                for group_ids in group_to_ids.values()
-                for ev_id in group_ids.values()
-            ],
-            get_prev_content=False,
-        )
-
-        return {
-            group: [
-                state_event_map[v]
-                for v in event_id_map.values()
-                if v in state_event_map
-            ]
-            for group, event_id_map in group_to_ids.items()
-        }
-
-    def _get_state_groups_from_groups(
-        self, groups: List[int], state_filter: StateFilter
-    ) -> Awaitable[Dict[int, StateMap[str]]]:
-        """Returns the state groups for a given set of groups, filtering on
-        types of state events.
-
-        Args:
-            groups: list of state group IDs to query
-            state_filter: The state filter used to fetch state
-                from the database.
-
-        Returns:
-            Dict of state group to state map.
-        """
-
-        return self.stores.state._get_state_groups_from_groups(groups, state_filter)
-
-    async def get_state_for_events(
-        self, event_ids: Collection[str], state_filter: Optional[StateFilter] = None
-    ) -> Dict[str, StateMap[EventBase]]:
-        """Given a list of event_ids and type tuples, return a list of state
-        dicts for each event.
-
-        Args:
-            event_ids: The events to fetch the state of.
-            state_filter: The state filter used to fetch state.
-
-        Returns:
-            A dict of (event_id) -> (type, state_key) -> [state_events]
-
-        Raises:
-            RuntimeError if we don't have a state group for one or more of the events
-               (ie they are outliers or unknown)
-        """
-        await_full_state = True
-        if state_filter and not state_filter.must_await_full_state(self._is_mine_id):
-            await_full_state = False
-
-        event_to_groups = await self.get_state_group_for_events(
-            event_ids, await_full_state=await_full_state
-        )
-
-        groups = set(event_to_groups.values())
-        group_to_state = await self.stores.state._get_state_for_groups(
-            groups, state_filter or StateFilter.all()
-        )
-
-        state_event_map = await self.stores.main.get_events(
-            [ev_id for sd in group_to_state.values() for ev_id in sd.values()],
-            get_prev_content=False,
-        )
-
-        event_to_state = {
-            event_id: {
-                k: state_event_map[v]
-                for k, v in group_to_state[group].items()
-                if v in state_event_map
-            }
-            for event_id, group in event_to_groups.items()
-        }
-
-        return {event: event_to_state[event] for event in event_ids}
-
-    async def get_state_ids_for_events(
-        self,
-        event_ids: Collection[str],
-        state_filter: Optional[StateFilter] = None,
-    ) -> Dict[str, StateMap[str]]:
-        """
-        Get the state dicts corresponding to a list of events, containing the event_ids
-        of the state events (as opposed to the events themselves)
-
-        Args:
-            event_ids: events whose state should be returned
-            state_filter: The state filter used to fetch state from the database.
-
-        Returns:
-            A dict from event_id -> (type, state_key) -> event_id
-
-        Raises:
-            RuntimeError if we don't have a state group for one or more of the events
-                (ie they are outliers or unknown)
-        """
-        await_full_state = True
-        if state_filter and not state_filter.must_await_full_state(self._is_mine_id):
-            await_full_state = False
-
-        event_to_groups = await self.get_state_group_for_events(
-            event_ids, await_full_state=await_full_state
-        )
-
-        groups = set(event_to_groups.values())
-        group_to_state = await self.stores.state._get_state_for_groups(
-            groups, state_filter or StateFilter.all()
-        )
-
-        event_to_state = {
-            event_id: group_to_state[group]
-            for event_id, group in event_to_groups.items()
-        }
-
-        return {event: event_to_state[event] for event in event_ids}
-
-    async def get_state_for_event(
-        self, event_id: str, state_filter: Optional[StateFilter] = None
-    ) -> StateMap[EventBase]:
-        """
-        Get the state dict corresponding to a particular event
-
-        Args:
-            event_id: event whose state should be returned
-            state_filter: The state filter used to fetch state from the database.
-
-        Returns:
-            A dict from (type, state_key) -> state_event
-
-        Raises:
-            RuntimeError if we don't have a state group for the event (ie it is an
-                outlier or is unknown)
-        """
-        state_map = await self.get_state_for_events(
-            [event_id], state_filter or StateFilter.all()
-        )
-        return state_map[event_id]
-
-    async def get_state_ids_for_event(
-        self, event_id: str, state_filter: Optional[StateFilter] = None
-    ) -> StateMap[str]:
-        """
-        Get the state dict corresponding to a particular event
-
-        Args:
-            event_id: event whose state should be returned
-            state_filter: The state filter used to fetch state from the database.
-
-        Returns:
-            A dict from (type, state_key) -> state_event_id
-
-        Raises:
-            RuntimeError if we don't have a state group for the event (ie it is an
-                outlier or is unknown)
-        """
-        state_map = await self.get_state_ids_for_events(
-            [event_id], state_filter or StateFilter.all()
-        )
-        return state_map[event_id]
-
-    def get_state_for_groups(
-        self, groups: Iterable[int], state_filter: Optional[StateFilter] = None
-    ) -> Awaitable[Dict[int, MutableStateMap[str]]]:
-        """Gets the state at each of a list of state groups, optionally
-        filtering by type/state_key
-
-        Args:
-            groups: list of state groups for which we want to get the state.
-            state_filter: The state filter used to fetch state.
-                from the database.
-
-        Returns:
-            Dict of state group to state map.
-        """
-        return self.stores.state._get_state_for_groups(
-            groups, state_filter or StateFilter.all()
-        )
-
-    async def get_state_group_for_events(
-        self,
-        event_ids: Collection[str],
-        await_full_state: bool = True,
-    ) -> Mapping[str, int]:
-        """Returns mapping event_id -> state_group
-
-        Args:
-            event_ids: events to get state groups for
-            await_full_state: if true, will block if we do not yet have complete
-               state at these events.
-        """
-        if await_full_state:
-            await self._partial_state_events_tracker.await_full_state(event_ids)
-
-        return await self.stores.main._get_state_group_for_events(event_ids)
-
-    async def store_state_group(
-        self,
-        event_id: str,
-        room_id: str,
-        prev_group: Optional[int],
-        delta_ids: Optional[StateMap[str]],
-        current_state_ids: StateMap[str],
-    ) -> int:
-        """Store a new set of state, returning a newly assigned state group.
-
-        Args:
-            event_id: The event ID for which the state was calculated.
-            room_id: ID of the room for which the state was calculated.
-            prev_group: A previous state group for the room, optional.
-            delta_ids: The delta between state at `prev_group` and
-                `current_state_ids`, if `prev_group` was given. Same format as
-                `current_state_ids`.
-            current_state_ids: The state to store. Map of (type, state_key)
-                to event_id.
-
-        Returns:
-            The state group ID
-        """
-        return await self.stores.state.store_state_group(
-            event_id, room_id, prev_group, delta_ids, current_state_ids
-        )