Summary
In this chapter, we covered how to implement business logic via stateless and stateful session beans. Additionally, we covered how to implement message-driven beans to consume Jakarta messaging messages.
The following topics were covered in this chapter:
- How to take advantage of the transactional nature of enterprise beans to simplify implementing the DAO pattern
- Container-managed transactions and how to control transactions by using the appropriate annotations
- Bean-managed transactions, for cases in which container-managed transactions are not enough to satisfy our requirements
- Life cycles for the different types of Enterprise Java beans, including an explanation of how to have enterprise bean methods automatically invoked by the Jakarta EE runtime at certain points in the life cycle
- How to have enterprise bean methods invoked periodically by the runtime by taking advantage of the timer service
- How to make sure enterprise bean methods are only...