Transmit expiracy value of cache factory to DistributedRamCache plugin.

This patch authorize to purge old entries on backend side automatically (if backend
storage support this feature)



git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@39385 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/CachePlugins/DistributedRamCache.py

@@ -84,6 +84,7 @@ class DistributedRamCache(BaseCache):
       dictionary = local_dict[configuration_key]
     except KeyError:
       dictionary = MemcachedDict(self._servers.split('\n'),
+                      expiration_time=self._expiration_time,
                       server_max_key_length=self._server_max_key_length,
                       server_max_value_length=self._server_max_value_length)
       local_dict[configuration_key] = dictionary