Flex Article

Developing Flex RIAs with Cairngorm microarchitecture – Part 5: Server-side integration

In Part 4 of this series, we discussed the client-side features of the Cairngorm application and advocated some best practices for structuring and architecting your view, that is, the MXML and ActionScript code that describes your user experience. We then dived into the details of feature-driven development using the Front Controller, Event Broadcaster, and Command patterns, explaining how they assist in rapidly and consistently delivering new functionality to rich Internet applications (RIAs).

The final piece of the RIA puzzle that Cairngorm helps you solve is integrating your application with services that reside on "the other side of the wire"—that is, on the server infrastructure. You've seen the benefits of adopting a consistent approach to implementing client-side business logic, and this article will demonstrate the benefits of a consistent approach to invoking business logic on a server and fetching data from a server for your client-side application.

By the end of this article, you will have seen the entire set of Cairngorm design patterns and how they collaborate in a Cairngorm application.

• Part 1: Introducing Cairngorm
• Part 2: Keeping state on the client
• Part 3: Architecting the view
• Part 4: Feature-driven development
• Part 5: Server-side integration
• Part 6: Rapid and consistent development with Cairngorm and Flex

Requirements

In order to make the most of this series, you need the following software and files:

Flex Builder 3

• Try
• Buy

Cairngorm version 2.2

• Download Cairngorm version 2.2

Cairngorm Store

Throughout the series you will find references to code taken from an e-commerce application named Cairngorm Store. You may use this sample application to gain a better understanding of Cairngorm, but please consider it only as a guide. Adobe is not responsible for maintaining the Cairngorm Store application.

• Download Cairngorm Store (J2EE Container version)
• Download Cairngorm Store (non J2EE Container version)

Prerequisites

Read the previous articles in the series, starting with Developing Flex RIAs with Cairngorm Microarchitecture – Part 1: Introducing Cairngorm before reading Part 5.

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