This table provides a quick reference for what types of managed classes can inject what object in Java EE 5.
| Objects | ||||
|---|---|---|---|---|
| Managed Classes | Stateful | Stateless | Message-driven Bean (MDB) |
Interceptors |
| JDBC DataSource | Yes | Yes | Yes | Yes |
| EJBContext | Yes | Yes | Yes | No |
| Web Service Ref | Yes | Yes | Yes | Yes |
| EntityManagerFactory | Yes | Yes | Yes | Yes |
| Timer | No | Yes | Yes | No |
| UserTransaction | Yes | Yes | Yes | Yes |
| Mail Resource | Yes | Yes | Yes | Yes |
| JMS | Yes | Yes | Yes | Yes |
| Environment Entries | Yes | Yes | Yes | Yes |
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