This document is from the authorized Flex curriculum written by learn the basics of building Flex applications using the Cairngorm framework. Cairngorm is based on Model View Controller (MVC) framework, specifically designed to facilitate complex state and data synchronization. These explain the Cairngorm Architecture, which is our preferred way to structure Flex applications. Below the introductory material can be found more detailed.

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It includes 3 objects: You are commenting using your Twitter account. Explore the Flex Cairngorm framework and improvements: Adobe Labs features Cairngorm as the architectural framework for Rich Internet Application programmers. Object; public function LoadEmployeesDelegate command: On the same note, changes in the UI are propagated to the server side through this business layer.

If one of them will get updated, not only will its listener get notified to update the view, but the other 9 will get this event, too.

List of Flex frameworks – Wikipedia

Commands actually do the majority of an applications work. It manages the view an is declared as [Bindable] to use all variables for data binding in the view.

Get unlimited access to videos, live online training, learning paths, books, tutorials, and more. And it must have implemented one method for each server-side method to be called.

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Adobe Flex application framework designed to start introduction of the Cairngorm framework. It allows only one-to-one mapping between events and commands. The complete frontend-logic of the RIA is encapsulated within the commands.

Flex frameworks are software libraries that assist developers in building framewirk internet applications on the Apache Flex platform. Model Locator carries all the transport information between the components It is a Bindable object; Service Locator defines the interface to communicate with datasource Httpservice, Webservice,Remoteobject.

The business folder is for delegates and service components. They recieve the event and its data, execute the logic an can change the workflow state of the model and view. PureMVC is a framework for creating applications based upon the well-established model—view—controller design pattern.

Views dispatch events handled by the controller. The View portion contains visual components required by your application, value objects, and Cairngorm-specific event classes used for communication with the Model and Controller tiers. On the application startup, the code dispatches LoadEmployeesEvent and, as if by magic, the EmployeeList gets populated from Employees. Cairngorm follows the principle of separating the view and business logic which is known as the Model-View-Controller pattern MVC.

The first step of using Cairngorm should be creating the backbone of frame work. Cairngorm Framework for Flex Developers p. Responders implement the mx. The Delegate implementation package com. Use either RobotLegs or Parsley. Service Locator defines the interface to communicate with datasource Httpservice, Webservice,Remoteobject. In recent years, the Flex technology has been widely used. The free, open source framework was originally implemented in the ActionScript 3 language for use with Adobe FlexFlash and AIRand it has since been ported to nearly all the major web development platforms.

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I had gone through many documents, no where mentioned how cairngorm framework works internally, means, how cairngorm Event, frontController, BusinessDelegate,ServiceLocator,Commands works and why we are extending or implementing cairngorm class like ICommand, IResponder and cairngormEvent.

Meanwhile, keep these observations about Cairngorm in mind:. Now imagine a midsize web application that consists of 10 modules.

List of Flex frameworks

Then Do the mapping thing in the front controller. It was developed by iteration:: It extends the Cairngorm FrontController class and maps the dispatched events to its corresponding commands.

Cainrgorm continuing to use this website, you agree to their use. It should only pass strongly typed value objects to a responder.