/*
 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package javax.naming.ldap;

import javax.naming.NamingException;

/**
 * This interface represents an unsolicited notification as defined in
 * <A HREF="http://www.ietf.org/rfc/rfc2251.txt">RFC 2251</A>.
 * An unsolicited notification is sent by the LDAP server to the LDAP
 * client without any provocation from the client.
 * Its format is that of an extended response ({@code ExtendedResponse}).
 *
 * @author Rosanna Lee
 * @author Scott Seligman
 * @author Vincent Ryan
 *
 * @see ExtendedResponse
 * @see UnsolicitedNotificationEvent
 * @see UnsolicitedNotificationListener
 * @since 1.3
 */

public interface UnsolicitedNotification extends ExtendedResponse, HasControls {
    /**
     * Retrieves the referral(s) sent by the server.
     *
     * @return A possibly null array of referrals, each of which is represented
     * by a URL string. If null, no referral was sent by the server.
     */
    public String[] getReferrals();

    /**
     * Retrieves the exception as constructed using information
     * sent by the server.
     * @return A possibly null exception as constructed using information
     * sent by the server. If null, a "success" status was indicated by
     * the server.
     */
    public NamingException getException();
}
