A Techno Blog, mainly about Java

Enterprise Java Beans

I just picked up Richard Monson-Haefel’s EJB bookwhich covers EJB 2.0, but here is an related article Developing Your First EJBs, Part 2

Access the actual Bean which live in the EJB container via the Home Interface
and the Remote Interface.

Home Interface (extend javax.ejb.EJBHome) : life cycle methods

Remote Interface (extend javax.ejb.EJBObject) : business methods of
the bean

Call back methods: notification methods that are invoked when certain events occur

Entity Bean (like what id done by JDO or Hibernate): represent data in a database

Session Beans:

Interesting, EJB and JDO.


September 24, 2004 - Posted by | EJB

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