CDI (Contexts and Dependency Injection) is one of the most essential and powerful APIs in Java EE. With CDI, you can easily divide your application into separate components interacting with each other, avoiding all the hassles of managing your components, life cycles, calling JNDI, and any other redundant programmatic work. Although the initial goal of CDI was to provide an easy mechanism for tying the web layer to the data access layer, CDI now has a broader scope of usage and implementation scenarios. Let's take an overview of the key features that CDI provides to our middleware solution:
- DI (Dependency Injection): A popular technique for supplying components with other components they depend on. CDI provides a declarative approach for defining components and their scope of life, and of course obtaining them back. Moreover, DI in...
