added server-side client metadata object caching

1 files changed, 12 insertions, 0 deletions

diff --git a/src/lib/Bcfg2/Cache.py b/src/lib/Bcfg2/Cache.py
new file mode 100644
index 000000000..9a828e2c9
--- /dev/null
+++ b/src/lib/Bcfg2/Cache.py
@@ -0,0 +1,12 @@
+""" An implementation of a simple memory-backed cache. Right now this
+doesn't provide many features, but more (time-based expiration, etc.)
+can be added as necessary. """
+
+class Cache(dict):
+    """ an implementation of a simple memory-backed cache """
+    def expire(self, key=None):
+        if key is None:
+            self.clear()
+        elif key in self:
+            del self[key]
+