jakarta.ejb

Annotation Type MessageDriven

@Target(value=TYPE)
 @Retention(value=RUNTIME)
public @interface MessageDriven

Component-defining annotation for a message driven bean.

The message driven bean must implement the appropriate message listener interface for the messaging type that the message-driven bean supports or specify the message listener interface using the messageListenerInterface element of this annotation.

Since:

EJB 3.0

See Also:

ActivationConfigProperty

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
ActivationConfigProperty[]	activationConfig Activation config properties.
String	description A string describing the message driven bean.
String	mappedName A product specific name(e.g.
Class	messageListenerInterface Message-listener interface.
String	name The ejb-name for this bean.

Element Detail

name

public abstract String name

The ejb-name for this bean. Defaults to the unqualified name of the message driven bean class.

Returns:

a String object.

Default:

""

messageListenerInterface

public abstract Class messageListenerInterface

Message-listener interface. If the message-driven bean class implements more than one interface other than java.io.Serializable, java.io.Externalizable, or any of the interfaces defined by the jakarta.ejb package, the message listener interface must be specified.

Returns:

a Class object.

Default:

java.lang.Object.class

activationConfig

public abstract ActivationConfigProperty[] activationConfig

Activation config properties.

Returns:

an array of ActivationConfigProperty objects.

Default:

{}

mappedName

public abstract String mappedName

A product specific name(e.g. global JNDI name of a queue) that this message-driven bean should be mapped to. Application servers are not required to support any particular form or type of mapped name, nor the ability to use mapped names. The mapped name is product-dependent and often installation-dependent. No use of a mapped name is portable.

Returns:

a String object.

Default:

""

description

public abstract String description

A string describing the message driven bean.

Returns:

a String object.

Default:

""