EJB Section Index | Page 27
A stateful session bean is an enterprise bean (EJB component) that acts as a server-side extension of the client that uses it. The stateful session bean is created by a client and will work for o...more
A session bean is a type of enterprise bean; a type of EJB server-side component. Session bean components implement the javax.ejb.SessionBean interface and can be stateless or stateful. Stateles...more
An enterprise bean is a server-side component -- defined in the Java technology -- which adheres to the Enterprise JavaBeans server-side component model. A server-side component is business object...more
The official Sun Definition: The Enterprise JavaBeans architecture is a component architecture for the development and deployment of component-based distributed business applications. Applications...more
Enterprise JavaBeans simplifies the task of developing distributed objects systems. It's easier for developers to create transactional distributed object applications with EJB than with any other...more
The new specification requires minor changes to ejbCreate method in container-managed entity beans as well as changes in how enterprise beans access JDBC connections, environment properties, and o...more
EJB 1.1 requires support for entity beans, which ensures a more consistent programming model across vendors. In addition, EJB 1.1 addresses many of the ambiguities and loopholes found in the prev...more
Several servers will avoid supporting EJB 1.1 until the new specification is finalized. Those that do support EJB 1.1 are in beta or were just released. This make EJB 1.0 servers attractive, esp...more
The most significant changes are listed below: Entity bean support, both container- and bean-managed persistence, is required. Java RMI-IIOP argument and reference types must be...more
EJB 1.0 was released as a final specification in March 1997 at JavaOne '97 in San Francisco.
EJB 1.1 is currently in Public Release 2, a non-final preliminary draft. Final release of the specification is expect by the end of the 4th quarter.