/* * Copyright (c) 2000, 2005, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.management.relation; /** * A RelationSupport object is used internally by the Relation Service to * represent simple relations (only roles, no properties or methods), with an * unlimited number of roles, of any relation type. As internal representation, * it is not exposed to the user. * <P>RelationSupport class conforms to the design patterns of standard MBean. So * the user can decide to instantiate a RelationSupport object himself as * a MBean (as it follows the MBean design patterns), to register it in the * MBean Server, and then to add it in the Relation Service. * <P>The user can also, when creating his own MBean relation class, have it * extending RelationSupport, to retrieve the implementations of required * interfaces (see below). * <P>It is also possible to have in a user relation MBean class a member * being a RelationSupport object, and to implement the required interfaces by * delegating all to this member. * <P> RelationSupport implements the Relation interface (to be handled by the * Relation Service). * * @since 1.5 */public interface RelationSupportMBean    extends Relation {     /**     * Returns an internal flag specifying if the object is still handled by     * the Relation Service.     *     * @return a Boolean equal to {@link Boolean#TRUE} if the object     * is still handled by the Relation Service and {@link     * Boolean#FALSE} otherwise.     */    public Boolean isInRelationService();     /**     * <p>Specifies whether this relation is handled by the Relation     * Service.</p>     * <P>BEWARE, this method has to be exposed as the Relation Service will     * access the relation through its management interface. It is RECOMMENDED     * NOT to use this method. Using it does not affect the registration of the     * relation object in the Relation Service, but will provide wrong     * information about it!     *     * @param flag whether the relation is handled by the Relation Service.     *     * @exception IllegalArgumentException  if null parameter     */    public void setRelationServiceManagementFlag(Boolean flag)        throws IllegalArgumentException;}