Book Image

Digital Java EE 7 Web Application Development

By : Peter Pilgrim
Book Image

Digital Java EE 7 Web Application Development

By: Peter Pilgrim

Overview of this book

Digital Java EE 7 presents you with an opportunity to master writing great enterprise web software using the Java EE 7 platform with the modern approach to digital service standards. You will first learn about the lifecycle and phases of JavaServer Faces, become completely proficient with different validation models and schemes, and then find out exactly how to apply AJAX validations and requests. Next, you will touch base with JSF in order to understand how relevant CDI scopes work. Later, you’ll discover how to add finesse and pizzazz to your digital work in order to improve the design of your e-commerce application. Finally, you will deep dive into AngularJS development in order to keep pace with other popular choices, such as Backbone and Ember JS. By the end of this thorough guide, you’ll have polished your skills on the Digital Java EE 7 platform and be able to creat exiting web application.
Table of Contents (21 chapters)
Digital Java EE 7 Web Application Development
About the Author
About the Reviewers

Conversational scope

Conversational scope is defined by a lifecycle that spans many HTTP requests to the server. The developer determines when the scope begins and ends, and most importantly, it is associated with a user. The key annotation is defined by a CDI specification called @javax.enterprise.context.ConversationScoped. When you apply this annotation to a controller or POJO, remember to ensure that you implement the marker interface,

CDI also defines an interface, javax.enterprise.context.Conversation that represents the conversation interface. A conversation can be two distinct states of existence: transient and long-running. The transient state means that the conversation is a temporary state. When you annotate a bean with @ConversationScoped, it will be in the transient state by default.

The developer controls when the conversation switches from the transient to the long-running state. The conversation, then, becomes active and it maintains the holds state of...