Discover the Ceylon/Vert.x integration and Cayla: Ceylon's new web framework.

1. Cayla + Vert.x

2. Disclaimer
•
I make a very poor Julien Viet

3. Big picture
•
•
Vert.x — a node.js-style web server for the JVM
•
Vert.x Ceylon — load Ceylon modules in Vert.x server
•
ceylon.promises — promises module in Ceylon SDK
Ceylon Vert.x — embed Vert.x in Ceylon, integrate
with Ceylon SDK

4. Big picture
•
•
Cayla — a server-side web framework for Vert.x
Cayla MVVM — a client side MVC framework with
databinding (Knockout-like)

5. Promises
Synchronous
!
try {
String s = do();
return “it works ” + s;
}
catch (Exception e) {
return “it failed”;
}
Asynchronous
!
Promise<String> p = do();
p.then_(
(String s) => “it works ” + s,
(Exception e) => “it failed”
);

6. Demo
•
Let’s write a little program using promises in Cayla
and Vert.x