Devserver: only populate data during cron jobs, meaning all data from instances

chrome/common/extensions/docs/server2/object_store_creator.py

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-from in_memory_object_store import InMemoryObjectStore
+from cache_chain_object_store import CacheChainObjectStore
 from memcache_object_store import MemcacheObjectStore
+from persistent_object_store import PersistentObjectStore
 
 class ObjectStoreCreator(object):
   class Factory(object):
     def __init__(self, branch=None):
       self._branch = branch
 
     '''Creates ObjectStoreCreators (yes seriously) bound to an SVN branch.
     '''
     def Create(self, cls, store_type=None):
       return ObjectStoreCreator(cls, branch=self._branch, store_type=store_type)
@@ skipping 21 matching lines @@
     '''
     namespace = self._name
     if category is not None:
       assert not any(c.isdigit() for c in category)
       namespace = '%s/%s' % (namespace, category)
     if version is not None:
       assert isinstance(version, int)
       namespace = '%s/%s' % (namespace, version)
     if self._store_type is not None:
       return self._store_type(namespace)
-    return InMemoryObjectStore(MemcacheObjectStore(namespace))
+    return CacheChainObjectStore((MemcacheObjectStore(namespace),
+                                  PersistentObjectStore(namespace)))