WebSphere V3.5 Handbook

11.5. Container managed persistence (CMP) entity beans

A container-managed persistence (CMP) bean is an entity bean for which the container handles the interactions between the enterprise bean and the data source. The container is responsible for synchronization of instance fields with the persistent store. When you develop a container-managed persistence bean, the application is insulated from the details of the persistence mechanism.

11.5.1. Entity beans life cycle

Once an enterprise bean is deployed into a container, clients can create and use instances of that bean as required. Within the container, instances of an enterprise bean go through a defined life cycle. The events in an enterprise bean’s life cycle are derived from actions initiated ...