1 /* 2 * Copyright (c) 1997, 1999, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package java.beans.beancontext; 27 28 import java.beans.beancontext.BeanContextMembershipEvent; 29 30 import java.util.EventListener; 31 32 /** 33 * <p> 34 * Compliant BeanContexts fire events on this interface when the state of 35 * the membership of the BeanContext changes. 36 * </p> 37 * 38 * @author Laurence P. G. Cable 39 * @since 1.2 40 * @see java.beans.beancontext.BeanContext 41 */ 42 43 public interface BeanContextMembershipListener extends EventListener { 44 45 /** 46 * Called when a child or list of children is added to a 47 * {@code BeanContext} that this listener is registered with. 48 * @param bcme The {@code BeanContextMembershipEvent} 49 * describing the change that occurred. 50 */ 51 void childrenAdded(BeanContextMembershipEvent bcme); 52 53 /** 54 * Called when a child or list of children is removed 55 * from a {@code BeanContext} that this listener 56 * is registered with. 57 * @param bcme The {@code BeanContextMembershipEvent} 58 * describing the change that occurred. 59 */ 60 void childrenRemoved(BeanContextMembershipEvent bcme); 61 } --- EOF ---