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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 remote business interface(s) for a session bean.
 * <p>
 * The <code>Remote</code> annotation is applied to the session bean class or remote 
 * business interface to designate a remote business interface of the bean.
 * <p>
 * When used on an interface, designates that interface as a remote
 * business interface.  In this case, no <code>value</code> element should
 * be provided.
 * <p>
 * The <code>Remote</code> annotation applies only to session beans and 
 * their interfaces.
 *
 * @since EJB 3.0
 */

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

    /**
     * Specifies the remote 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 any of the following is true:
     * <ul>
     * <li>the bean class does not implement its remote business interface
     * <li>at least one of the implemented interfaces is designated as a local interface
     * <li>the bean class implements two or more interfaces and at
     * least one of the implemented interfaces is designated
     * as a remote business interface using <code>Remote</code> annotation on the interface,
     * and at least one other 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) has no designation.
     * </ul>
     */
    Class[] value() default {};
}