proxy.rb in ripple-1.0.0.beta

- old
+ new

@@ -1,19 +1,5 @@
-# Copyright 2010 Sean Cribbs, Sonian Inc., and Basho Technologies, Inc.
-#
-#    Licensed under the Apache License, Version 2.0 (the "License");
-#    you may not use this file except in compliance with the License.
-#    You may obtain a copy of the License at
-#
-#        http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    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 'ripple/associations'
 
 module Ripple
   module Associations
     class Proxy
@@ -95,9 +81,17 @@
       end
 
       def ===(other)
         load_target
         other === target
+      end
+
+      def loaded_documents
+        loaded? ? Array(target) : []
+      end
+
+      def has_changed_documents?
+        loaded_documents.any? { |doc| doc.changed? }
       end
 
       protected
       def method_missing(method, *args, &block)
         load_target