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Chapter Using BlazeDS Blaze Data Services (BlazeDS) is an open-source data-exchange technology that connects Flex clients to server-side resources. For connecting Flex to Java, BlazeDS is an open source technology for An ideal example of this is the Borders book store chain, which. Professional BlazeDS by Shashank Tiwari, , available at Book Depository with free delivery worldwide.

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You can develop with the existing tools used bpazeds develop Java. Remoting and messaging program that can be extended by using its Java API. In the same manner, you can pass an object from the client back to the server. Join a community of oversenior developers. This can lead to all sorts of problems if you instantiate classes dynamically.

Where to get Flex – Java DS (Blaze) training material? – Stack Overflow

Visit our Beautiful Books page and find lovely books for kids, photography lovers and more. Data binding, event handling, component layout, and other, common UI development techniques are built into the language, which allows you to be productive even when you know very little about the language. If the accessed data is not changing during the course of its reuse it always makes sense to cache it. In addition to the endpoints, BlazeDS includes adapters that provide the critical compatibility between the core BlazeDS Servlet that talks to Flex and a server-side resource such as a JMS resource, a persistent data store, or an Object-Relational mapping layer.

More about the possible configurations can be learned online at http: I further doubt the Spring brand needs advertising on this forum: Other books in boo series. Go on with examples in Tour de Flexits awesome!!! It begins with an introduction to the technology and then continues with a detailed example project that uses the Remoting Service and touches upon the Proxy Service.


The binding of channels and endpoints to their implementation classes and balzeds pairing is done in the services-config. The basic steps to set up BlazeDS with an existing application are:. According to James Ward, a Flex blazeda for Adobe, there is still a large need for senior Flex developers. This Servlet, called MessageBrokerServlet, uses artifacts like channels, endpoints, and adapters to enable proxy, remoting, and messaging services.

Table of contents Foreword. Adapters are also configured in services-config.

Professional BlazeDS : Shashank Tiwari :

This channel avoids the overhead of polling and keeps the connection open for the entire scope of communication between the client and the server. Program that intercepts all communication between a Flash Player and a Java server.

With these brief configuration examples blaseds place, let’s explore BlazeDS’s pull-based or request-response based communication abilities. The following sections include a few more in context configuration illustrations. From the user interface developers point-of-view that’s the killer tool for the next years.

Professional BlazeDS : Creating Rich Internet Applications with Flex and Java

In addition, you can choose to go with a text-based format that could be well structured like XML or delimited like comma-separated or tabdelimited text. Behavioral Definition BlazeDS enables and facilitates: As soon as you want to do anything out of the ordinary, you have to do it yourself. In a previous project, my team wrote an application blazdes contained over 50 different screens and would regularly transfer several thousand rows of data between blazede server and client.

Otherwise, you can extract the Java archive JAR files and use them in your project. Flex on Java covers BlazeDS in the chapter 5. BlazeDS does not include Java NIO implementations for its communication channels but it’s not very difficult to include one. Non-blocking channels allow for greater number of connections to be served provided they are not all active at the same time always.


Not everybody love Spring! Read More Find articles, ebooks, sample chapters and tables of contents for hundreds of books, and more reference resources on programming topics that matter to you.

They are the primary components that enable communication between these two entities. With Java, you gook code a UI, do some network programming, manipulate the database, parse some Blazexs and mash it all up to do something funky, all without leaving the language.

Use Flex what it is meant for: With the help of this project it becomes easy to configure Spring Beans as server side remoting counterparts of Flex blzeds. Chepech 3, 3 34 For example a service class configured as a Spring Bean as follows: Long polling can provide near real-time data push by waiting till the response from the server is bblazeds to be dispatched. Then, in your Flex application, you can read these variables by getting the application parameters:.

Set of services that can be managed using JMX agents. It’s not a horrible environment, but is designed for fairly simple applicactions. Besides, demoting BlazeDS can also act as a proxy server and help access data from domains that are not explicitly trusted via a crossdomain. ServiceAdapter abstract class sits at the root of the hierarchy. The reason for this special need arises because of the way BlazeDS serializes data across the wire. Is the writer a Springsource marketing?

By defining endpoints in the remoting configuration file, you can call any basic Java service from a Flex client. Java developers new to Flex and BlazeDS will find the development process highly productive and easy to learn. Flex doesn’t support bi-directional binding.