Book Image

Mastering Java EE Development with WildFly

By : Luca Stancapiano
Book Image

Mastering Java EE Development with WildFly

By: Luca Stancapiano

Overview of this book

Packed with rich assets and APIs, Wildfly 10 allows you to create state-of-the-art Java applications. This book will help you take your understanding of Java EE to the next level by creating distributed Java applications using Wildfly. The book begins by showing how to get started with a native installation of WildFly and it ends with a cloud installation. After setting up the development environment, you will implement and work with different WildFly features, such as implementing JavaServer Pages. You will also learn how you can use clustering so that your apps can handle a high volume of data traffic. You will also work with enterprise JavaBeans, solve issues related to failover, and implement Java Message Service integration. Moving ahead, you will be working with Java Naming and Directory Interface, Java Transaction API, and use ActiveMQ for message relay and message querying. This book will also show you how you can use your existing backend JavaScript code in your application. By the end of the book, you’ll have gained the knowledge to implement the latest Wildfly features in your Java applications.
Table of Contents (20 chapters)
5
Working with Distributed Transactions
16
WildFly in Cloud

Context and dependency injection 1.1 for Java

This includes advanced SPI interfaces and annotations for CDI development.

Injection and contexts

When we inject a bean, we participate in a context. The context is declared in the CDI specifications as an environment based on the scope. The scope represents how the instances are registered and the type of visibility. If a bean is part of a context representing a session, it will work only in the session. If the same bean is called outside of its context, that bean excluding memory errors could become a part of another context. All instances inside a context are called contextual instances. A bean and a resource are contextual instances.

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