FLEX CAIRNGORM PDF

Cairngorm is a lightweight micro-architecture framework for Rich Internet Applications built in Flex or AIR, defining best-practices for a RIA. Instead of adding/mapping commands in AppController ‘s constructor. Declare it in initialize() function. Example is given below for your reference. public class. Cairngorm is based on Model View Controller (MVC) framework, specifically designed to facilitate complex state and data synchronization.

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The Controller tier is responsible for invoking appropriate code containing the business logic of your application, which is implemented by using global FrontController and ServiceLocator classes as well as additional Command and Delegate classes.

This page was last edited on 25 Decemberat The Command class then processes the event by running the Command class’ execute method, which caigngorm an ICommand interface method. Brief description of Flex Modules: It is not a library of patterns, but rather a set of objects that cairmgorm built to communicate and react.

Flex MVC-Cairngorm « Thinking in Java And Flex

PureMVC is a framework for creating applications based caitngorm the well-established model—view—controller design pattern. Do I need to modularize the application to be developed? The application retrieves data from Employee. Unfortunately, in debugging, I see that the addition of the command didn’t work out. It defines remoteobject in this example.

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1. Comparing Selected Flex Frameworks – Enterprise Development with Flex [Book]

Large projects are different animals. So far, each framework vairngorm was reviewed in this chapter is an MVC-based architectural framework. In a Cairngorm Model, related data are stored in Value Objects VOswhile simple variables can be stored as direct properties of the ModelLocator class. Object; public function LoadEmployeesDelegate command: In the example code, CairngormEventDispatcher dispatches the cgEvent: Instead of going by the straight forward way of calling required methods using Application.

Its components may be used either as an alternative to architectural frameworks or together with them. A fragment of EmployeeProxy. Because this application does not save modified data anywhere other than in memory, no other service calls are made to pass the changed data to the server side for persistence. To minimize the amount of manually written code, consider using Cairngen, an open source code generator for Cairngorm.

The business analyst realizes that she made a mistake. For web services, call the method getWebService. The code of the CafeTownsend. Using Parsley in Combination with Cairngorm 3 is much more elegant, reusable, simplier and componentizable.

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Introducing Cairngorm

It aims at greatly simplifying the development of RIA applications through client-side cainrgorm management, real-time messaging, transparent lazy-loading, paged queries, code generation and other features. No need to define the RemoteObject with result and fault handlers, as no server-side configuration is required. The other benefit is reusability of the modules.

The class LoadEmployeesEvent package com. If I recall correctly, in Cairngorm 2 you had to dispatch events like SliderEvent.

Frameworks Versus Component Libraries. This pattern really helps you create loosely coupled components. How to glue this junk together?

Post was not sent – check your email addresses! By using these callbacks the delegate will return to the command class the result or error information of the execution of the command in question. Fina1 draft 2nd edition of ECMA