Java tutorial
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However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ package javax.ejb; import java.lang.annotation.Target; import static java.lang.annotation.ElementType.*; import java.lang.annotation.Retention; import static java.lang.annotation.RetentionPolicy.*; /** * Indicates a dependency on the local, no-interface, or remote view of an Enterprise * JavaBean. * <p> * Either the <code>beanName</code> or the <code>lookup</code> element can * be used to resolve the EJB dependency to its target session bean component. * It is an error to specify values for both <code>beanName</code> and * <code>lookup</code>. * <p> * 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 */ @Target({ TYPE, METHOD, FIELD }) @Retention(RUNTIME) public @interface EJB { /** * The logical name of the ejb reference within the declaring component's * (e.g., java:comp/env) environment. */ String name() default ""; /** * A string describing the bean. */ String description() default ""; /** * The <code>beanName</code> element references the value of the <code>name</code> * element of the <code>Stateful</code> or <code>Stateless</code> annotation, * whether defaulted or explicit. If the deployment descriptor was used to define * the name of the bean, the <code>beanName</code> element references the * <code>ejb-name</code> element of the bean definition. * <p> * The <code>beanName</code> element allows disambiguation if multiple session * beans in the ejb-jar implement the same interface. * <p> * In order to reference a bean in another ejb-jar file in the same application, * the <code>beanName</code> may be composed of a path name specifying the ejb-jar * containing the referenced bean with the bean name of the target bean appended and * separated from the path name by #. The path name is relative to the jar file * containing the component that is referencing the target bean. * <p> * Only applicable if the target EJB is defined within the * same application or stand-alone module as the declaring component. */ String beanName() default ""; /** * The interface type of the Enterprise Java Bean to which this reference * is mapped. * <p> * Holds one of the following types of the target EJB : * <ul> * <li> Local business interface * <li> Bean class (for no-interface view) * <li> Remote business interface * <li> Local Home interface * <li> Remote Home interface * </ul> */ Class beanInterface() default Object.class; /** * 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. * <p> * 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. */ String mappedName() default ""; /** * A portable lookup string containing the JNDI name for the target EJB component. * * @since EJB 3.1 */ String lookup() default ""; }