Special Edition Using Java™ 2 Enterprise Edition

Using the Java Transaction API (JTA) for Bean-Managed Transactions

The Java Transaction API (JTA) is a simple API for defining transaction boundaries. The architecture of JTA is similar to JDBC in that it defines an abstract interface, which then accesses an underlying implementation. In this case, you use JTA to control transactions and the JTA classes access the Java Transaction Service (JTS) implementation. You never access the JTS directly, you always use the JTA. The main class you need to know about is the UserTransaction class. Keep in mind that an entity bean is not allowed to control its transaction scope at all, so you can only use the UserTransaction class from a session bean.

Note

When you create a session bean, you can choose whether ...