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| <li><a href="#annotation.type.field.summary">Field</a> | </li> |
| <li>Required | </li> |
| <li><a href="#annotation.type.optional.element.summary">Optional</a></li> |
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| <li>Detail: </li> |
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| <div class="subTitle">org.eclipse.persistence.annotations</div> |
| <h2 title="Annotation Type Convert" class="title">Annotation Type Convert</h2> |
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| <div class="description"> |
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| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/annotation/Target.html?is-external=true" title="class or interface in java.lang.annotation">@Target</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/annotation/Target.html?is-external=true#value--" title="class or interface in java.lang.annotation">value</a>={<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/annotation/ElementType.html?is-external=true#METHOD" title="class or interface in java.lang.annotation">METHOD</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/annotation/ElementType.html?is-external=true#FIELD" title="class or interface in java.lang.annotation">FIELD</a>}) |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/annotation/Retention.html?is-external=true" title="class or interface in java.lang.annotation">@Retention</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/annotation/Retention.html?is-external=true#value--" title="class or interface in java.lang.annotation">value</a>=<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/annotation/RetentionPolicy.html?is-external=true#RUNTIME" title="class or interface in java.lang.annotation">RUNTIME</a>) |
| public @interface <span class="memberNameLabel">Convert</span></pre> |
| <div class="block">The Convert annotation specifies that a named converter should be used with |
| the corresponding mapped attribute. The Convert annotation has the following |
| reserved names: |
| <ul> |
| <li> serialized: Will use a SerializedObjectConverter |
| on the associated mapping. When using a SerializedObjectConverter the database representation is a |
| binary field holding a serialized version of the object and the object-model representation is a the |
| actual object. |
| <li> class-instance: Will use an ClassInstanceConverter |
| on the associated mapping. When using a ClassInstanceConverter the database representation is a |
| String representing the Class name and the object-model representation is an instance |
| of that class built with a no-args constructor.<br> |
| <li> xml: Will use an SerializedObjectConverter with the XMLSerializer |
| on the associated mapping. When using a XMLSerializer the database representation is a |
| character field holding a serialized version of the object and the object-model representation is a the |
| actual object.<br> |
| <li> json: Will use an SerializedObjectConverter with the JSONSerializer |
| on the associated mapping. When using a JSONSerializer the database representation is a |
| character field holding a serialized version of the object and the object-model representation is a the |
| actual object.<br> |
| <li> kryo: Will use an SerializedObjectConverter with the KryoSerializer |
| on the associated mapping. When using a KryoSerializer the database representation is a |
| binary field holding a serialized version of the object and the object-model representation is a the |
| actual object.<br> |
| <li> none - Will place no converter on the associated mapping. This can be used to override a situation where either |
| another converter is defaulted or another converter is set. |
| </ul> |
| |
| When these reserved converters are not used, it is necessary to define a converter to use using the |
| @Converter annotation.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/eclipse/persistence/annotations/Converter.html" title="annotation in org.eclipse.persistence.annotations"><code>Converter</code></a>, |
| <a href="../../../../org/eclipse/persistence/annotations/ObjectTypeConverter.html" title="annotation in org.eclipse.persistence.annotations"><code>ObjectTypeConverter</code></a>, |
| <a href="../../../../org/eclipse/persistence/annotations/TypeConverter.html" title="annotation in org.eclipse.persistence.annotations"><code>TypeConverter</code></a>, |
| <a href="../../../../org/eclipse/persistence/mappings/converters/SerializedObjectConverter.html" title="class in org.eclipse.persistence.mappings.converters"><code>SerializedObjectConverter</code></a>, |
| <a href="../../../../org/eclipse/persistence/mappings/converters/ClassInstanceConverter.html" title="class in org.eclipse.persistence.mappings.converters"><code>ClassInstanceConverter</code></a></dd> |
| <dt><span class="simpleTagLabel">Author:</span></dt> |
| <dd>Guy Pelletier</dd> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>Oracle TopLink 11.1.1.0.0</dd> |
| </dl> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- =========== ANNOTATION TYPE FIELD SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="annotation.type.field.summary"> |
| <!-- --> |
| </a> |
| <h3>Field Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Fields and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/annotations/Convert.html#CLASS_INSTANCE">CLASS_INSTANCE</a></span></code> |
| <div class="block">Constant name for the reserved class instance converter.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/annotations/Convert.html#JSON">JSON</a></span></code> |
| <div class="block">Constant name for the reserved JSON converter.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/annotations/Convert.html#KRYO">KRYO</a></span></code> |
| <div class="block">Constant name for the reserved Kryo converter.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/annotations/Convert.html#NONE">NONE</a></span></code> |
| <div class="block">Constant name for no converter.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/annotations/Convert.html#SERIALIZED">SERIALIZED</a></span></code> |
| <div class="block">Constant name for the reserved Java serialization converter.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/annotations/Convert.html#XML">XML</a></span></code> |
| <div class="block">Constant name for the reserved XML converter.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- =========== ANNOTATION TYPE OPTIONAL MEMBER SUMMARY =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="annotation.type.optional.element.summary"> |
| <!-- --> |
| </a> |
| <h3>Optional Element Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Optional Element Summary table, listing optional elements, and an explanation"> |
| <caption><span>Optional Elements</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Optional Element and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/annotations/Convert.html#value--">value</a></span></code> |
| <div class="block">(Optional) The name of the converter to be used.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ ANNOTATION TYPE FIELD DETAIL =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="annotation.type.field.detail"> |
| <!-- --> |
| </a> |
| <h3>Field Detail</h3> |
| <a name="SERIALIZED"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>SERIALIZED</h4> |
| <pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> SERIALIZED</pre> |
| <div class="block">Constant name for the reserved Java serialization converter. |
| This will serialize the</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a name="CLASS_INSTANCE"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>CLASS_INSTANCE</h4> |
| <pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> CLASS_INSTANCE</pre> |
| <div class="block">Constant name for the reserved class instance converter. |
| This will store the object's class name, and create a new instance of the class on read.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a name="XML"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>XML</h4> |
| <pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> XML</pre> |
| <div class="block">Constant name for the reserved XML converter. |
| This will use JAXB to convert the object to and from XML.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a name="JSON"> |
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| </a> |
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| <li class="blockList"> |
| <h4>JSON</h4> |
| <pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> JSON</pre> |
| <div class="block">Constant name for the reserved JSON converter. |
| This will use EclipseLink Moxy JAXB to convert the object to and from JSON.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a name="KRYO"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>KRYO</h4> |
| <pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> KRYO</pre> |
| <div class="block">Constant name for the reserved Kryo converter. |
| This will use Kryo to convert the object to and from an optimized binary format.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a name="NONE"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>NONE</h4> |
| <pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> NONE</pre> |
| <div class="block">Constant name for no converter.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ============ ANNOTATION TYPE MEMBER DETAIL =========== --> |
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| <a name="value--"> |
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| <h4>value</h4> |
| <pre>public abstract <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> value</pre> |
| <div class="block">(Optional) The name of the converter to be used.</div> |
| <dl> |
| <dt>Default:</dt> |
| <dd>"none"</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
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