/******************************************************************************* * Copyright (c) 2011, 2015 Oracle and/or its affiliates. All rights reserved. * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 * which accompanies this distribution. * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html * and the Eclipse Distribution License is available at * http://www.eclipse.org/org/documents/edl-v10.php. * * Contributors: * dmccann - November 29/2010 - 2.3 - Initial implementation ******************************************************************************/ package org.eclipse.persistence.oxm.annotations; import static java.lang.annotation.ElementType.FIELD; import static java.lang.annotation.ElementType.METHOD; import static java.lang.annotation.RetentionPolicy.RUNTIME; import java.lang.annotation.Retention; import java.lang.annotation.Target; /** * XmlElementsJoinNodes is used in conjunction with {@code XmlElements} in order to specify the key references for the * targets of the XmlElements annotation. There must be one XmlJoinNodes for each XmlElement This is similar to using {@code XmlIDREF} * with {@code XmlElements} but allows customisation of the xpath for the source keys and allows for composite key * relationships. * * <p><b>Example:</b></p> * <pre> * @XmlRootElement * public class Client { * * ... * * @XmlElements({ * @XmlElement(name="mail", type=Address.class), * @XmlElement(name="phone", type=PhoneNumber.class) * }) * @XmlElementsJoinNodes({ * @XmlJoinNodes({ * @XmlJoinNode(xmlPath="mail/@id", referencedXmlPath="@aid"), * @XmlJoinNode(xmlPath="mail/type/text()", referencedXmlPath="@type") * }), * @XmlJoinNodes({ * @XmlJoinNode(xmlPath="phone/@id", referencedXmlPath="@pid"), * @XmlJoinNode(xmlPath="phone/type/text()", referencedXmlPath="@type") * }) * }) * public Object preferredContactMethod; * </pre> * * @see XmlJoinNodes * @see XmlJoinNode * @see javax.xml.bind.annotation.XmlElements XmlElements * @see XmlKey */ @Target({METHOD, FIELD}) @Retention(RUNTIME) public @interface XmlElementsJoinNodes { XmlJoinNodes[] value(); }