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package javax.ejb;

import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.ElementType;

import java.lang.annotation.Target;
import java.lang.annotation.Retention;

/**
 * Declares the local business interface(s) for a session bean.
 * <p>
 * The <code>Local</code> annotation is applied to the session bean class or local
 * business interface to designate a local interface of the bean.
 * <p>
 * When used on the bean class, declares the local business interface(s) 
 * for a session bean.  When used on an interface, designates that interface
 * as a local business interface.  In this case, no <code>value</code> element
 * should be provided.
 * <p>
 * The <code>Local</code> annotation applies only to session beans and 
 * their interfaces.
 * <p>
 * Use of the <code>Local</code> annotation is only required when the bean class 
 * does not implement only a single interface other than any of the following: 
 * <code>java.io.Serializable</code>; <code>java.io.Externalizable</code>;
 * any of the interfaces defined in <code>javax.ejb</code>.
 *
 * @since EJB 3.0
 */

@Target({ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
public @interface Local {

    /**
     * Specifies the local business interface(s) of the bean.  The <code>value</code>
     * element is specified only when the annotation is applied to the bean class. 
     * It is only required to be specified if the bean class implements more 
     * than one interface (excluding <code>java.io.Serializable</code>, 
     * <code>java.io.Externalizable</code>, and any of the interfaces 
     * defined by the <code>javax.ejb</code> package).
     */
    Class[] value() default {};
}