The Rules Engine provides an environment to evaluate, infer, and execute rules. The Rules Engine is available on the application server as a stateless session bean.
You can use Rules Engine in two ways:
A JEE application can lookup and invoke the Rule Engine as a stateless session bean
You can write a Web service (Rules Service) which will lookup and invoke the Rule Engine as a stateless session bean internally
This Web service can be exposed as a re-usable Web service.
This section describes the tasks that you can perform with Rules Engine.