1 /* 2 * Copyright (c) 2004, 2013, 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 javax.xml.bind.annotation; 27 28 import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter; 29 import java.lang.annotation.Retention; 30 import java.lang.annotation.Target; 31 import static java.lang.annotation.ElementType.FIELD; 32 import static java.lang.annotation.ElementType.METHOD; 33 import static java.lang.annotation.RetentionPolicy.RUNTIME; 34 35 /** 36 * Marks a property that refers to classes with {@link XmlElement} 37 * or JAXBElement. 38 * 39 * <p> 40 * Compared to an element property (property with {@link XmlElement} 41 * annotation), a reference property has a different substitution semantics. 42 * When a sub-class is assigned to a property, an element property produces 43 * the same tag name with @xsi:type, whereas a reference property produces 44 * a different tag name (the tag name that's on the the sub-class.) 45 * 46 * <p> This annotation can be used with the following annotations: 47 * {@link XmlJavaTypeAdapter}, {@link XmlElementWrapper}. 48 * 49 * @author <ul><li>Kohsuke Kawaguchi, Sun Microsystems, Inc.</li><li>Sekhar Vajjhala, Sun Microsystems, Inc.</li></ul> 50 * 51 * @see XmlElementWrapper 52 * @see XmlElementRef 53 * @since JAXB2.0 54 */ 55 @Retention(RUNTIME) 56 @Target({FIELD,METHOD}) 57 public @interface XmlElementRefs { 58 XmlElementRef[] value(); 59 }