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authorErik Johnston <erik@matrix.org>2015-08-10 14:16:24 +0100
committerErik Johnston <erik@matrix.org>2015-08-10 14:16:24 +0100
commitdcefac3b0637673179e4a107b8cdfb844ba3a6c9 (patch)
tree2f53cbde730d7fdf866b709974c111e96ab46103 /synapse/util/dictionary_cache.py
parentMerge branch 'develop' of github.com:matrix-org/synapse into erikj/dictionary... (diff)
downloadsynapse-dcefac3b0637673179e4a107b8cdfb844ba3a6c9.tar.xz
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Diffstat (limited to 'synapse/util/dictionary_cache.py')
-rw-r--r--synapse/util/dictionary_cache.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/synapse/util/dictionary_cache.py b/synapse/util/dictionary_cache.py
index 38b131677c..c7564cdf0d 100644
--- a/synapse/util/dictionary_cache.py
+++ b/synapse/util/dictionary_cache.py
@@ -26,6 +26,9 @@ DictionaryEntry = namedtuple("DictionaryEntry", ("full", "value"))
 
 
 class DictionaryCache(object):
+    """Caches key -> dictionary lookups, supporting caching partial dicts, i.e.
+    fetching a subset of dictionary keys for a particular key.
+    """
 
     def __init__(self, name, max_entries=1000):
         self.cache = LruCache(max_size=max_entries)