Sams Teach Yourself EJB in 21 Days

Day 10. Developing Bean-Managed Persistence Entity Beans

Today, you'll work on a complete example of developing a bean-managed persistence (BMP) entity bean. You might question why you need to learn bean-managed persistence when container-managed persistence (CMP) is simpler to write and is the preferred approach. The answer is that you should use bean-managed persistence if you want complete control of managing persistence, if you're writing persistence logic to a very proprietary legacy database system, or when your persistent store is not a database.

The concept of the student is central to the sample university registration application. Multiple clients must share behavior, such as creating a student account, verifying an existing account, ...