Introducing Jakarta EE CDI: Contexts and Dependency Injection for Enterprise Java Development

© Luqman Saeed 2020

L. SaeedIntroducing Jakarta EE CDIhttps://doi.org/10.1007/978-1-4842-5642-8_10

10. The CDI Ecosystem

Luqman Saeed¹ 

(1)

Accra, Ghana

 

The Contexts and Dependency Injection (CDI) API is at the heart of the entire Jakarta EE platform. CDI provides a powerful Service Provider Interface (SPI) that allows third-party libraries to create portable extensions for the platform. In effect, CDI makes it easy for other projects to integrate into Jakarta EE.

A portable extension may integrate into the platform by

• Providing its beans, interceptors, and decorators to the container

• Injecting dependencies into its objects using the dependency injection service

• Providing a context implementation for a custom scope

• Augmenting or overriding the annotation-based ...