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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