Chapter 3. EJB Concepts

In this chapter

Grasping the Concepts Early

What Is an Enterprise Bean?

EJB Roles and Their Responsibilities

Local Versus Remote EJB Clients

Using RMI to Communicate with Enterprise JavaBeans

Accessing an EJB Through Its Component Interface

Locating Enterprise Beans Using the Home Interface

Deciding Whether to Use a Local or Remote Client

Creation and Removal of EJBs

Passivation and Activation

Object Pooling

Handles

The EJBMetaData Class

EJB Server and Container Implementations