Chapter 11. The CMP Engine

IN THIS CHAPTER

• Example Code

• The jbosscmp-jdbc Structure

• Entity Beans

• CMP Fields

• Container-Managed Relationships

• Declaring Queries

• Optimized Loading

• The Loading Process

• Transactions

• Optimistic Locking

• Entity Commands and Primary Key Generation

• JBoss Global Defaults

• Datasource Customization

This chapter explores the use of container-managed persistence (CMP) in JBoss. It assumes that you have a basic familiarity with the EJB CMP model and focuses on the operation of the JBoss CMP engine. Specifically, this chapter looks at how to configure and optimize CMP applications on JBoss. For more introductory coverage of basic CMP concepts, see Enterprise Java Beans (O'Reilly Publishing).