Java Reference
In-Depth Information
@Resource
private MessageDrivenContext mdc;
...
NetBeans IDE typically creates a message-driven bean with a default set of
@Activa-
tionConfigProperty
settings. You can delete those you do not need, or add others.
Table 11-1
lists commonly used properties.
TABLE 11-1.
@ActivationConfigProperty
Settings for Message-Driven
Beans
The
onMessage
Method
When the queue receives a message, the EJB container invokes the message listener meth-
od or methods. For a bean that uses JMS, this is the
onMessage
method of the
Mes-
sageListener
interface.
A message listener method must follow these rules:
• The method must be declared as
public
.
• The method must not be declared as
final
or
static
.
The
onMessage
method is called by the bean's container when a message has arrived for
the bean to service. This method contains the business logic that handles the processing of
