lib/oboe/api/memcache.rb in oboe-2.7.1.7-java vs lib/oboe/api/memcache.rb in oboe-2.7.2.fuchs1

@@ -1,25 +1,27 @@
 # Copyright (c) 2013 AppNeta, Inc.
 # All rights reserved.
 
 module Oboe
   module API
+    ##
+    # Utility methods for the Memcache instrumentation
     module Memcache
-      MEMCACHE_OPS = %w{add append cas decr decrement delete fetch get incr increment prepend replace set}
+      MEMCACHE_OPS = %w(add append cas decr decrement delete fetch get incr increment prepend replace set)
 
       def memcache_hit?(result)
         result.nil? ? 0 : 1
       end
 
       def remote_host(key)
-        return unless defined?(Lib.memcached_server_by_key)\
-          and defined?(@struct) and defined?(is_unix_socket?)
+        return unless defined?(Lib.memcached_server_by_key) \
+          && defined?(@struct) && defined?(is_unix_socket?)
 
-        server_as_array = Lib.memcached_server_by_key(@struct, args[0].to_s)
+        server_as_array = Lib.memcached_server_by_key(@struct, key.to_s)
         if server_as_array.is_a?(Array)
           server = server_as_array.first
           if is_unix_socket?(server)
-            return "localhost"
+            return 'localhost'
           elsif defined?(server.hostname)
             return server.hostname
           end
         end
       end