1. Introduction to the Development Environment for Enterprise Server Add-On Components
Services in the HK2 Component Model
Instantiation of Components in HK2
Instantiation Cascading in HK2
Identifying a Class as an Add-On Component
Using the Apache Maven Build System to Develop HK2 Components
3. Extending the Administration Console
4. Extending the asadmin Utility
5. Adding Container Capabilities
6. Packaging, Integrating, and Delivering an Add-On Component
The Hundred-Kilobyte Kernel (HK2) is the lightweight and extensible kernel of Enterprise Server. To interact with Enterprise Server, add-on components plug in to this kernel. In the HK2 component model, the functions of an add-on component are declared through a contract-service implementation paradigm. An HK2 contract identifies and describes the building blocks or the extension points of an application. An HK2 service implements an HK2 contract.
The following topics are addressed here: