ar_light.rb in blacklight-spotlight-0.0.3

- old
+ new

@@ -13,9 +13,25 @@
     end
     def initialize (source_doc={}, solr_response=nil)
       @association_cache = {}
       super
     end
+
+    # Returns true if +comparison_object+ is the same exact object, or +comparison_object+
+    # is of the same type and +self+ has an ID and it is equal to +comparison_object.id+.
+    #
+    # Note that new records are different from any other record by definition, unless the
+    # other record is the receiver itself. Besides, if you fetch existing records with
+    # +select+ and leave the ID out, you're on your own, this predicate will return false.
+    #
+    # Note also that destroying a record preserves its ID in the model instance, so deleted
+    # models are still comparable.
+    def ==(comparison_object)
+      super ||
+        comparison_object.instance_of?(self.class) &&
+        id &&
+        comparison_object.id == id
+    end
       
     module ClassMethods
       def generated_feature_methods
         @generated_feature_methods ||= begin
           mod = const_set(:GeneratedFeatureMethods, Module.new)