feat(jdk8): move files to new folder to avoid resources compiled.
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jdkSrc/jdk8/javax/xml/bind/annotation/XmlIDREF.java
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jdkSrc/jdk8/javax/xml/bind/annotation/XmlIDREF.java
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/*
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* Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package javax.xml.bind.annotation;
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import java.lang.annotation.Target;
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import java.lang.annotation.Retention;
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import static java.lang.annotation.ElementType.*;
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import static java.lang.annotation.RetentionPolicy.*;
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/**
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* <p>
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* Maps a JavaBean property to XML IDREF.
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*
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* <p>
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* To preserve referential integrity of an object graph across XML
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* serialization followed by a XML deserialization, requires an object
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* reference to be marshalled by reference or containment
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* appropriately. Annotations <tt>@XmlID</tt> and <tt>@XmlIDREF</tt>
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* together allow a customized mapping of a JavaBean property's
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* type by containment or reference.
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*
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* <p><b>Usage</b> </p>
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* The <tt>@XmlIDREF</tt> annotation can be used with the following
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* program elements:
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* <ul>
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* <li> a JavaBean property </li>
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* <li> non static, non transient field </li>
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* </ul>
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*
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* <p>See "Package Specification" in javax.xml.bind.package javadoc for
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* additional common information.</p>
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*
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* <p> The usage is subject to the following constraints:
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* <ul>
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*
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* <li> If the type of the field or property is a collection type,
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* then the collection item type must contain a property or
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* field annotated with <tt>@XmlID</tt>. </li>
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* <li> If the field or property is single valued, then the type of
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* the property or field must contain a property or field
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* annotated with <tt>@XmlID</tt>.
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* <p>Note: If the collection item type or the type of the
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* property (for non collection type) is java.lang.Object, then
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* the instance must contain a property/field annotated with
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* <tt>@XmlID</tt> attribute.
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* </li>
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* <li> This annotation can be used with the following annotations:
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* {@link XmlElement}, {@link XmlAttribute}, {@link XmlList},
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* and {@link XmlElements}.</li>
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*
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* </ul>
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* <p><b>Example:</b> Map a JavaBean property to <tt>xs:IDREF</tt>
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* (i.e. by reference rather than by containment)</p>
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* <pre>
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*
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* //EXAMPLE: Code fragment
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* public class Shipping {
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* @XmlIDREF public Customer getCustomer();
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* public void setCustomer(Customer customer);
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* ....
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* }
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*
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* <!-- Example: XML Schema fragment -->
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* <xs:complexType name="Shipping">
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* <xs:complexContent>
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* <xs:sequence>
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* <xs:element name="customer" type="xs:IDREF"/>
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* ....
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* </xs:sequence>
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* </xs:complexContent>
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* </xs:complexType>
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*
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* </pre>
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*
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*
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* <p><b>Example 2: </b> The following is a complete example of
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* containment versus reference.
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*
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* <pre>
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* // By default, Customer maps to complex type <tt>xs:Customer</tt>
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* public class Customer {
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*
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* // map JavaBean property type to <tt>xs:ID</tt>
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* @XmlID public String getCustomerID();
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* public void setCustomerID(String id);
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*
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* // .... other properties not shown
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* }
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*
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*
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* // By default, Invoice maps to a complex type <tt>xs:Invoice</tt>
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* public class Invoice {
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*
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* // map by reference
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* @XmlIDREF public Customer getCustomer();
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* public void setCustomer(Customer customer);
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*
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* // .... other properties not shown here
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* }
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*
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* // By default, Shipping maps to complex type <tt>xs:Shipping</tt>
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* public class Shipping {
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*
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* // map by reference
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* @XmlIDREF public Customer getCustomer();
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* public void setCustomer(Customer customer);
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* }
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*
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* // at least one class must reference Customer by containment;
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* // Customer instances won't be marshalled.
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* @XmlElement(name="CustomerData")
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* public class CustomerData {
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* // map reference to Customer by containment by default.
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* public Customer getCustomer();
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*
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* // maps reference to Shipping by containment by default.
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* public Shipping getShipping();
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*
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* // maps reference to Invoice by containment by default.
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* public Invoice getInvoice();
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* }
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*
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* <!-- XML Schema mapping for above code frament -->
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*
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* <xs:complexType name="Invoice">
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* <xs:complexContent>
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* <xs:sequence>
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* <xs:element name="customer" type="xs:IDREF"/>
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* ....
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* </xs:sequence>
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* </xs:complexContent>
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* </xs:complexType>
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*
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* <xs:complexType name="Shipping">
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* <xs:complexContent>
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* <xs:sequence>
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* <xs:element name="customer" type="xs:IDREF"/>
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* ....
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* </xs:sequence>
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* </xs:complexContent>
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* </xs:complexType>
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*
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* <xs:complexType name="Customer">
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* <xs:complexContent>
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* <xs:sequence>
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* ....
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* </xs:sequence>
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* <xs:attribute name="CustomerID" type="xs:ID"/>
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* </xs:complexContent>
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* </xs:complexType>
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*
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* <xs:complexType name="CustomerData">
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* <xs:complexContent>
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* <xs:sequence>
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* <xs:element name="customer" type="xs:Customer"/>
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* <xs:element name="shipping" type="xs:Shipping"/>
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* <xs:element name="invoice" type="xs:Invoice"/>
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* </xs:sequence>
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* </xs:complexContent>
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* </xs:complexType>
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*
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* <xs:element name"customerData" type="xs:CustomerData"/>
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*
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* <!-- Instance document conforming to the above XML Schema -->
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* <customerData>
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* <customer customerID="Alice">
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* ....
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* </customer>
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*
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* <shipping customer="Alice">
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* ....
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* </shipping>
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*
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* <invoice customer="Alice">
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* ....
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* </invoice>
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* </customerData>
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*
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* </pre>
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*
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* <p><b>Example 3: </b> Mapping List to repeating element of type IDREF
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* <pre>
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* // Code fragment
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* public class Shipping {
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* @XmlIDREF
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* @XmlElement(name="Alice")
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* public List customers;
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* }
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*
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* <!-- XML schema fragment -->
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* <xs:complexType name="Shipping">
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* <xs:sequence>
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* <xs:choice minOccurs="0" maxOccurs="unbounded">
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* <xs:element name="Alice" type="xs:IDREF"/>
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* </xs:choice>
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* </xs:sequence>
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* </xs:complexType>
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* </pre>
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*
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* <p><b>Example 4: </b> Mapping a List to a list of elements of type IDREF.
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* <pre>
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* //Code fragment
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* public class Shipping {
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* @XmlIDREF
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* @XmlElements(
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* @XmlElement(name="Alice", type="Customer.class")
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* @XmlElement(name="John", type="InternationalCustomer.class")
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* public List customers;
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* }
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*
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* <!-- XML Schema fragment -->
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* <xs:complexType name="Shipping">
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* <xs:sequence>
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* <xs:choice minOccurs="0" maxOccurs="unbounded">
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* <xs:element name="Alice" type="xs:IDREF"/>
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* <xs:element name="John" type="xs:IDREF"/>
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* </xs:choice>
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* </xs:sequence>
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* </xs:complexType>
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* </pre>
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* @author Sekhar Vajjhala, Sun Microsystems, Inc.
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* @see XmlID
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* @since JAXB2.0
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*/
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@Retention(RUNTIME) @Target({FIELD, METHOD})
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public @interface XmlIDREF {}
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