lib/elasticsearch/api/actions/indices/flush.rb in elasticsearch-api-0.4.0 vs lib/elasticsearch/api/actions/indices/flush.rb in elasticsearch-api-0.4.1

@@ -18,19 +18,19 @@
         # @option arguments [Boolean] :refresh Refresh the index after performing the operation
         #
         # @see http://www.elasticsearch.org/guide/reference/api/admin-indices-flush/
         #
         def flush(arguments={})
+          valid_params = [
+            :force,
+            :full,
+            :ignore_indices,
+            :refresh ]
+
           method = 'POST'
-          path   = Utils.__pathify( Utils.__listify(arguments[:index]), '_flush' )
-          params = arguments.select do |k,v|
-            [ :force,
-              :full,
-              :ignore_indices,
-              :refresh ].include?(k)
-          end
-          # Normalize Ruby 1.8 and Ruby 1.9 Hash#select behaviour
-          params = Hash[params] unless params.is_a?(Hash)
+          path   = Utils.__pathify Utils.__listify(arguments[:index]), '_flush'
+
+          params = Utils.__validate_and_extract_params arguments, valid_params
           body = nil
 
           perform_request(method, path, params, body).body
         end
       end