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Jess in Action: Rule-Based Systems in Java by Ernest Friedman-Hill

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Chapter 21. Jess in the J2EE environment

In this chapter you’ll...

  • Use Jess in EJBs
  • Write an RMI-based rule service
  • Learn about the javax.rules API

Most of the time, when people talk about working in the J2EE environment, they actually mean they are working with Enterprise JavaBeans (EJBs). Programming EJBs can be a real challenge, but they offer powerful capabilities. In this chapter, we’ll briefly review what EJBs are and how they are programmed, and then we’ll look at several strategies for incorporating rule engines in general, and Jess in particular, into EJB applications.

21.1. A quick tour of EJB concepts

Enterprise JavaBeans is a component architecture for server-side Java programming. The Beans referred to are the individual components. ...

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