Add concept of cache contexts

1 files changed, 3 insertions, 0 deletions

diff --git a/synapse/util/caches/treecache.py b/synapse/util/caches/treecache.py

index 03bc1401b7..c31585aea3 100644
--- a/synapse/util/caches/treecache.py
+++ b/synapse/util/caches/treecache.py
@@ -64,6 +64,9 @@ class TreeCache(object):
         self.size -= cnt
         return popped
 
+    def values(self):
+        return [e.value for e in self.root.values()]
+
     def __len__(self):
         return self.size