199 * ...
200 * }
201 * </pre>
202 * <p>
203 * Thus, the following code fragment
204 * <pre>
205 * Math m = new Math();
206 * m.term = new ObjectFactory().createAdd(new Operator());
207 * marshal(m);
208 * </pre>
209 * will produce the following XML output:
210 * <pre>
211 * <math>
212 * <add>...</add>
213 * </math>
214 * </pre>
215 *
216 *
217 * @author <ul><li>Kohsuke Kawaguchi, Sun Microsystems,Inc. </li><li>Sekhar Vajjhala, Sun Microsystems, Inc.</li></ul>
218 * @see XmlElementRefs
219 * @since JAXB2.0
220 */
221 @Retention(RUNTIME)
222 @Target({FIELD,METHOD})
223 public @interface XmlElementRef {
224 /**
225 * The Java type being referenced.
226 * <p>
227 * If the value is DEFAULT.class, the type is inferred from the
228 * the type of the JavaBean property.
229 */
230 Class type() default DEFAULT.class;
231
232 /**
233 * This parameter and {@link #name()} are used to determine the
234 * XML element for the JavaBean property.
235 *
236 * <p> If <tt>type()</tt> is <tt>JAXBElement.class</tt> , then
237 * <tt>namespace()</tt> and <tt>name()</tt>
238 * point to a factory method with {@link XmlElementDecl}. The XML
239 * element name is the element name from the factory method's
267 static final class DEFAULT {}
268
269 /**
270 * Customize the element declaration to be required.
271 * <p>
272 * If required() is true, then Javabean property is mapped to
273 * an XML schema element declaration with minOccurs="1".
274 * maxOccurs is "1" for a single valued property and "unbounded"
275 * for a multivalued property.
276 *
277 * <p>
278 * If required() is false, then the Javabean property is mapped
279 * to XML Schema element declaration with minOccurs="0".
280 * maxOccurs is "1" for a single valued property and "unbounded"
281 * for a multivalued property.
282 *
283 * <p>
284 * For compatibility with JAXB 2.1, this property defaults to <tt>true</tt>,
285 * despite the fact that {@link XmlElement#required()} defaults to false.
286 *
287 * @since 2.2
288 */
289 boolean required() default true;
290 }
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199 * ...
200 * }
201 * </pre>
202 * <p>
203 * Thus, the following code fragment
204 * <pre>
205 * Math m = new Math();
206 * m.term = new ObjectFactory().createAdd(new Operator());
207 * marshal(m);
208 * </pre>
209 * will produce the following XML output:
210 * <pre>
211 * <math>
212 * <add>...</add>
213 * </math>
214 * </pre>
215 *
216 *
217 * @author <ul><li>Kohsuke Kawaguchi, Sun Microsystems,Inc. </li><li>Sekhar Vajjhala, Sun Microsystems, Inc.</li></ul>
218 * @see XmlElementRefs
219 * @since 1.6, JAXB 2.0
220 */
221 @Retention(RUNTIME)
222 @Target({FIELD,METHOD})
223 public @interface XmlElementRef {
224 /**
225 * The Java type being referenced.
226 * <p>
227 * If the value is DEFAULT.class, the type is inferred from the
228 * the type of the JavaBean property.
229 */
230 Class type() default DEFAULT.class;
231
232 /**
233 * This parameter and {@link #name()} are used to determine the
234 * XML element for the JavaBean property.
235 *
236 * <p> If <tt>type()</tt> is <tt>JAXBElement.class</tt> , then
237 * <tt>namespace()</tt> and <tt>name()</tt>
238 * point to a factory method with {@link XmlElementDecl}. The XML
239 * element name is the element name from the factory method's
267 static final class DEFAULT {}
268
269 /**
270 * Customize the element declaration to be required.
271 * <p>
272 * If required() is true, then Javabean property is mapped to
273 * an XML schema element declaration with minOccurs="1".
274 * maxOccurs is "1" for a single valued property and "unbounded"
275 * for a multivalued property.
276 *
277 * <p>
278 * If required() is false, then the Javabean property is mapped
279 * to XML Schema element declaration with minOccurs="0".
280 * maxOccurs is "1" for a single valued property and "unbounded"
281 * for a multivalued property.
282 *
283 * <p>
284 * For compatibility with JAXB 2.1, this property defaults to <tt>true</tt>,
285 * despite the fact that {@link XmlElement#required()} defaults to false.
286 *
287 * @since 1.7, JAXB 2.2
288 */
289 boolean required() default true;
290 }
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