| /* |
| * Copyright (c) 1998, 2002, 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 java.beans.beancontext; |
| |
| /** |
| * <p> |
| * This interface is implemented by a JavaBean that does |
| * not directly have a BeanContext(Child) associated with |
| * it (via implementing that interface or a subinterface thereof), |
| * but has a public BeanContext(Child) delegated from it. |
| * For example, a subclass of java.awt.Container may have a BeanContext |
| * associated with it that all Component children of that Container shall |
| * be contained within. |
| * </p> |
| * <p> |
| * An Object may not implement this interface and the |
| * BeanContextChild interface |
| * (or any subinterfaces thereof) they are mutually exclusive. |
| * </p> |
| * <p> |
| * Callers of this interface shall examine the return type in order to |
| * obtain a particular subinterface of BeanContextChild as follows: |
| * <pre>{@code |
| * BeanContextChild bcc = o.getBeanContextProxy(); |
| * |
| * if (bcc instanceof BeanContext) { |
| * // ... |
| * } |
| * }</pre> |
| * or |
| * <pre>{@code |
| * BeanContextChild bcc = o.getBeanContextProxy(); |
| * BeanContext bc = null; |
| * |
| * try { |
| * bc = (BeanContext)bcc; |
| * } catch (ClassCastException cce) { |
| * // cast failed, bcc is not an instanceof BeanContext |
| * } |
| * }</pre> |
| * <p> |
| * The return value is a constant for the lifetime of the implementing |
| * instance |
| * </p> |
| * @author Laurence P. G. Cable |
| * @since 1.2 |
| * |
| * @see java.beans.beancontext.BeanContextChild |
| * @see java.beans.beancontext.BeanContextChildSupport |
| */ |
| |
| public interface BeanContextProxy { |
| |
| /** |
| * Gets the {@code BeanContextChild} (or subinterface) |
| * associated with this object. |
| * @return the {@code BeanContextChild} (or subinterface) |
| * associated with this object |
| */ |
| BeanContextChild getBeanContextProxy(); |
| } |