Java EE 7 Development with NetBeans 8

Chapter 6. Contexts and Dependency Injection

Contexts and Dependency Injection (CDI) can be used to simplify integrating the different layers of a Java EE application. For example, CDI allows us to use a session bean as a managed bean, so that we can take advantage of the EJB features, such as transactions, directly in our managed beans.

In this chapter, we will cover the following topics:

• Introduction to CDI
• Qualifiers
• Stereotypes
• Interceptor binding types
• Custom scopes

Introduction to CDI

JavaServer Faces (JSF) web applications employing CDI are very similar to JSF applications without CDI; the main difference is that instead of using JSF managed beans for our model and controllers, we use CDI named beans. What makes CDI applications easier to develop ...