lib/elasticsearch/api/actions/indices/exists.rb in elasticsearch-api-0.4.3 vs lib/elasticsearch/api/actions/indices/exists.rb in elasticsearch-api-0.4.4

@@ -8,18 +8,36 @@
         # @example Check whether index named _myindex_ exists
         #
         #     client.indices.exists index: 'myindex'
         #
         # @option arguments [List] :index A comma-separated list of indices to check (*Required*)
+        # @option arguments [Boolean] :allow_no_indices Whether to ignore if a wildcard indices expression resolves into
+        #                                               no concrete indices. (This includes `_all` string or when no
+        #                                               indices have been specified)
+        # @option arguments [String] :expand_wildcards Whether to expand wildcard expression to concrete indices that
+        #                                              are open, closed or both. (options: open, closed)
+        # @option arguments [String] :ignore_indices When performed on multiple indices, allows to ignore
+        #                                            `missing` ones (options: none, missing) @until 1.0
+        # @option arguments [Boolean] :ignore_unavailable Whether specified concrete indices should be ignored when
+        #                                                 unavailable (missing, closed, etc)
+        #
         # @return [true,false]
         #
         # @see http://www.elasticsearch.org/guide/reference/api/admin-indices-indices-exists/
         #
         def exists(arguments={})
           raise ArgumentError, "Required argument 'index' missing" unless arguments[:index]
+
+          valid_params = [
+            :ignore_indices,
+            :ignore_unavailable,
+            :allow_no_indices,
+            :expand_wildcards
+          ]
+
           method = 'HEAD'
           path   = Utils.__listify(arguments[:index])
-          params = {}
+          params = Utils.__validate_and_extract_params arguments, valid_params
           body   = nil
 
           perform_request(method, path, params, body).status == 200 ? true : false
         rescue Exception => e
           if e.class.to_s =~ /NotFound/ || e.message =~ /Not\s*Found|404/i