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| <h2 title="Annotation Type Converter" class="title">Annotation Type Converter</h2> |
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| <pre>@Target(value=TYPE) |
| @Retention(value=RUNTIME) |
| public @interface <span class="memberNameLabel">Converter</span></pre> |
| <div class="block">Specifies that the annotated class is a converter and defines its |
| scope. A converter class must be annotated with the <code>Converter</code> |
| annotation or defined in the object/relational mapping descriptor as |
| a converter. |
| |
| <p>If the <code>autoApply</code> element is specified as |
| <code>true</code>, the persistence provider must automatically |
| apply the converter to all mapped attributes of the specified |
| target type for all entities in the persistence unit except for |
| attributes for which conversion is overridden by means of the |
| <code>Convert</code> annotation (or XML equivalent). |
| |
| <p>In determining whether a converter is applicable to an attribute, |
| the provider must treat primitive types and wrapper types as |
| equivalent. |
| |
| <p>Note that Id attributes, version attributes, relationship |
| attributes, and attributes explicitly annotated as |
| <code>Enumerated</code> or <code>Temporal</code> (or designated as |
| such via XML) will not be converted. |
| |
| <p>Note that if <code>autoApply</code> is <code>true</code>, the |
| <code>Convert</code> annotation may be used to override or disable |
| auto-apply conversion on a per-attribute basis. |
| |
| <p>If <code>autoApply</code> is <code>false</code>, only those |
| attributes of the target type for which the <code>Convert</code> |
| annotation (or corresponding XML element) has been specified will |
| be converted. |
| |
| <p>If there is more than one converter defined for the same target |
| type, the <code>Convert</code> annotation should be used to |
| explicitly specify which converter to use.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>2.1</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../jakarta/persistence/AttributeConverter.html" title="interface in jakarta.persistence"><code>AttributeConverter</code></a>, |
| <a href="../../jakarta/persistence/Convert.html" title="annotation in jakarta.persistence"><code>Convert</code></a></dd> |
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| <!-- =========== ANNOTATION TYPE OPTIONAL MEMBER SUMMARY =========== --> |
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| <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>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../jakarta/persistence/Converter.html#autoApply--">autoApply</a></span></code> </td> |
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| <!-- ============ ANNOTATION TYPE MEMBER DETAIL =========== --> |
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| <h4>autoApply</h4> |
| <pre>public abstract boolean autoApply</pre> |
| <dl> |
| <dt>Default:</dt> |
| <dd>false</dd> |
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| <li>Required | </li> |
| <li><a href="#annotation.type.optional.element.summary">Optional</a></li> |
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