FLEX CAIRNGORM FRAMEWORK PDF

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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The author, after a careful study of the entire framework, has made some improvements on the Cairngorm framework of service call mechanism, which proposed the Cairngorm framework of improved. 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. Sorry, your blog cannot share posts by email. Leave a Reply Cancel reply Enter your comment here There are tons of articles and diagram to discuss about.

For web services, call the method getWebService. Using a centralized ModelLocator also makes multiple components dependent on the knowledge of the properties of the model. Software architecture Free computer libraries.

Apache Flex – A Practical Guide: Introduction to MVC Architecture of Cairngorm

It analyzes general system architecture and application developing frameworks and puts them into practice. The role of the View layer in a Cairngorm application is to throw events and bind to data stored in the Model. Cairngorm makes the application development layable, testable. IResponder; private var service: Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that cairgnorm continued use of the website is subject to these policies.

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You are commenting using your Facebook account. Suppose you have 10 [Bindable] String variables in the ModelLocator. The Command class updates the model. The problem with this approach is frameworo the global nature of such an event handler.

Just simply renaming this variable in the ModelLocator will cairgnorm changes in one or more views that are bound to it.

For some reason, the author of this code decided not to use EmployeeVO here and stores each Employee attribute separately in SaveEmployeeEvent.

The Command class updates the data in the model typically, a collection of value objects defined in the global ModelLocator. The execute method can update the central Model, as well as invoke a Service class which typically involves communication with a remote server. You simply need to add the directory your class is in as an XML Namespace and then include the tag in the file.

Agile Enterprise Application Development with Flex by Tony Hillerson

Object; public function LoadEmployeesDelegate command: 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. Email required Address never made public. Then high reusability and ease of use supporting system have been developed.

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Front Controller builds the mapping between the Dispatched event and Command. The delegate is used to call the data source through the service locator: A responder recieves the result of a service call and implements frontend-logic like a command.

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It defines remoteobject in this example. Components on the View can bind to Value Objects or other properties in the Model data layer. For example, you have to create additional event and command classes for every event that can be dispatched in your application.

The AppController implementation package com. Views Read Edit View history.

Adobe Flex Master Lu. This class creates an event with an ID AppController.

Development managers who have to work with distributed teams of beginner or mid-level Flex developers and need a safety net cairngom split the project work into smaller controllable tasks e.

You are commenting using your WordPress. Having no other choice but data binding for updating the UI may cause performance problems.