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authorErik Johnston <erikj@jki.re>2016-09-07 09:39:58 +0100
committerGitHub <noreply@github.com>2016-09-07 09:39:58 +0100
commit94a83b534f0c482a4faa6f33433126615f14401a (patch)
treefd9f61ff3907fba599d387b5b70c5b6ec16ce9c6 /synapse/events
parentMerge pull request #1073 from matrix-org/erikj/presence_fiddle (diff)
parentScale the batch size so that we're not bitten by the minimum (diff)
downloadsynapse-94a83b534f0c482a4faa6f33433126615f14401a.tar.xz
Merge pull request #1065 from matrix-org/erikj/state_storage
Move to storing state_groups_state as deltas
Diffstat (limited to 'synapse/events')
-rw-r--r--synapse/events/snapshot.py21
1 files changed, 21 insertions, 0 deletions
diff --git a/synapse/events/snapshot.py b/synapse/events/snapshot.py
index e895b1c450..11605b34a3 100644
--- a/synapse/events/snapshot.py
+++ b/synapse/events/snapshot.py
@@ -15,9 +15,30 @@
 
 
 class EventContext(object):
+    __slots__ = [
+        "current_state_ids",
+        "prev_state_ids",
+        "state_group",
+        "rejected",
+        "push_actions",
+        "prev_group",
+        "delta_ids",
+        "prev_state_events",
+    ]
+
     def __init__(self):
+        # The current state including the current event
         self.current_state_ids = None
+        # The current state excluding the current event
         self.prev_state_ids = None
         self.state_group = None
+
         self.rejected = False
         self.push_actions = []
+
+        # A previously persisted state group and a delta between that
+        # and this state.
+        self.prev_group = None
+        self.delta_ids = None
+
+        self.prev_state_events = None