public static void main()

in java/showcase/src/main/java/org/apache/flink/statefun/playground/java/showcase/part6/serving/GreeterAppServer.java [72:92]

• 12 lines of code
• 1 McCabe index (conditional complexity)

  public static void main(String[] args) {

    // Register the functions that you want to serve ...
    final StatefulFunctions functions = new StatefulFunctions();
    functions.withStatefulFunction(UserFn.SPEC);
    functions.withStatefulFunction(GreetingsFn.SPEC);

    // ... and build a request-reply handler for the registered functions, which understands how to
    // decode invocation requests dispatched from StateFun / encode side-effects (e.g. state storage
    // updates, or invoking other functions) as responses to be handled by StateFun.
    final RequestReplyHandler requestReplyHandler = functions.requestReplyHandler();

    // Use the request-reply handler along with your favorite HTTP web server framework
    // to serve the functions!
    final Undertow httpServer =
        Undertow.builder()
            .addHttpListener(PORT, "localhost")
            .setHandler(new UndertowHttpHandler(requestReplyHandler))
            .build();
    httpServer.start();
  }