cache_store.rb in riak-client-0.8.0

- old
+ new

@@ -10,13 +10,17 @@
 #    distributed under the License is distributed on an "AS IS" BASIS,
 #    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
 require 'riak'
+
 module Riak
+  # An ActiveSupport::Cache::Store implementation that uses Riak.
+  # Compatible only with ActiveSupport version 3 or greater.
   class CacheStore < ActiveSupport::Cache::Store
     attr_accessor :client
 
+    # Creates a Riak-backed cache store.
     def initialize(options = {})
       super
       @bucket_name = options.delete(:bucket) || '_cache'
       @n_value = options.delete(:n_value) || 2
       @r = options.delete(:r) || 1