javax.ejb
Annotation Type EJB

@Target(value={TYPE,METHOD,FIELD})
@Retention(value=RUNTIME)
public @interface EJB

Indicates a dependency on the local, no-interface, or remote view of an Enterprise JavaBean.

Either the beanName or the lookup element can be used to resolve the EJB dependency to its target session bean component. It is an error to specify values for both beanName and lookup.

If no explicit linking information is provided and there is only one session bean within the same application that exposes the matching client view type, by default the EJB dependency resolves to that session bean.

Since:

EJB 3.0

Optional Element Summary

java.lang.Class	beanInterface Holds one of the following types of the target EJB : Local business interface Bean class (for no-interface view) Remote business interface Local Home interface Remote Home interface
java.lang.String	beanName The ejb-name of the Enterprise Java Bean to which this reference is mapped.
java.lang.String	description A string describing the bean.
java.lang.String	lookup A portable lookup string containing the JNDI name for the target EJB component.
java.lang.String	mappedName The product specific name of the EJB component to which this ejb reference should be mapped.
java.lang.String	name The logical name of the ejb reference within the declaring component's (e.g., java:comp/env) environment.

name

public abstract java.lang.String name

The logical name of the ejb reference within the declaring component's (e.g., java:comp/env) environment.

Default:

""

description

public abstract java.lang.String description

A string describing the bean.

Default:

""

beanName

public abstract java.lang.String beanName

The ejb-name of the Enterprise Java Bean to which this reference is mapped. Only applicable if the target EJB is defined within the same application or stand-alone module as the declaring component.

Default:

""

beanInterface

public abstract java.lang.Class beanInterface

Holds one of the following types of the target EJB :

• Local business interface
• Bean class (for no-interface view)
• Remote business interface
• Local Home interface
• Remote Home interface

Default:

java.lang.Object.class

mappedName

public abstract java.lang.String mappedName

The product specific name of the EJB component to which this ejb reference should be mapped. This mapped name is often a global JNDI name, but may be a name of any form.

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.

Default:

""

lookup

public abstract java.lang.String lookup

A portable lookup string containing the JNDI name for the target EJB component.

Since:

EJB 3.1

Default:

""