PROJECT 3An AdministrationSystem (Big Brother)
CHAPTER 9A JRuby Enterprise Bean
After the last chapter's focus on XML and content rendering, we'll spend a few pages talking about a service application. For a few years, one of the most important cornerstones of Java enterprise applications has been Enterprise JavaBeans (EJBs). At the moment, EJBs are seeing a bit of a resurgence with the new EJB 3.0 standard. In this chapter, we'll focus on combining EJB3 with JRuby.
The next three chapters will describe a service application and a web interface that uses this service. We'll create that service in this chapter. It will have no user interface at all; the only way to access it will be through an EJB. The purpose of doing it this way is twofold. ...