Chapter 27. Container-Managed Persistence Examples
An entity bean with container-managed persistence (CMP) offers important advantages to the bean developer. First, the EJB container handles all database storage and retrieval calls. Second, the container manages the relationships between the entity beans. Because of these services, you don't have to code the database access calls in the entity bean. Instead, you specify settings in the bean's deployment descriptor. Not only does this approach save you time, but it also makes the bean portable across various database servers.
This chapter focuses on the source code and deployment settings for an example called RosterApp, an application that features entity beans with container-managed persistence. ...
Get The J2EE™ Tutorial Second Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
