### Question:
RpcFactory { public static IConsumerServer getConsumerService() { String protocol = Property.Rpc.protocol; IConsumerServer extension = ExtensionLoader.getExtensionLoader(IConsumerServer.class).getExtension(protocol); return extension; }  static IConsumerServer getConsumerService(); static IProviderServer getProviderServer();  }### Answer:
@Test public void consumer() { IConsumerServer consumerService = RpcFactory.getConsumerService(); Object execute = consumerService.execute("127.0.0.1:20880", new RequestDTO()); }