Thu, 31 Aug 2017 15:18:52 +0800
merge
1 /*
2 * Copyright (c) 1997, 2011, 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 */
26 package com.sun.xml.internal.bind.v2.model.core;
28 import javax.xml.namespace.QName;
30 /**
31 * Some {@link NonElement} can optionally be an {@link Element}.
32 *
33 * This interface captures such characteristics.
34 *
35 * @author Kohsuke Kawaguchi
36 */
37 public interface MaybeElement<T,C> extends NonElement<T,C> {
38 /**
39 * If the class is bound to an element, return true.
40 *
41 * <p>
42 * Note that when this is true, the class is bound to both an element
43 * and a type.
44 */
45 boolean isElement();
47 /**
48 * Gets the element name of the class, if the class is bound
49 * to an element.
50 *
51 * @return
52 * non-null iff {@link #isElement()}.
53 */
54 QName getElementName();
56 /**
57 * Returns the {@link Element} aspect of this {@link ClassInfo}.
58 *
59 * @return
60 * null if {@link #isElement()}==false, non-null if {@link #isElement()}==true.
61 */
62 Element<T,C> asElement();
63 }