4 Entity Beans

This chapter demonstrates Entity Bean development with a basic configuration and deployment. Download the entity bean example from the OC4J sample code page at http://www.oracle.com/technology/tech/java/oc4j/demos/ on the OTN Web site.

This chapter demonstrates the following:

• Entity Bean Overview

• Creating Entity Beans

• How to Define and Use Primary Keys for Your Entity Bean

• Create Data Consistency in Your Entity Bean by Using Persistence

• Tie Entity Beans Together Through Container-Managed Relationships

• Managing the Entity Bean Lifecycle

• How to Avoid Database Resource Contention

• Using Transactions With Entity Beans

• Providing Security for Your Entity Beans

• Using Timers With Your Entity Bean

See Chapter 8, "BMP Entity Beans", for an example of how to create a simple bean-managed persistent entity bean. For a description of persisting object relationships between EJBs, see Chapter 6, "Entity Relationship Mapping".