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<div class="subTitle">org.eclipse.persistence.annotations</div>
<h2 title="Annotation Type Struct" class="title">Annotation Type Struct</h2>
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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#TYPE" title="class or interface in java.lang.annotation">TYPE</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">Struct</span></pre>
<div class="block">Struct types are extended object-relational data-types supported by some databases.
Struct types are user define types in the database such as OBJECT types on Oracle.
Structs can normally contains Arrays (VARRAY) or other Struct types, and can be stored in
a column or a table.
<p>
This annotation define a class to map to a database Struct type.
The class should normally be an Embeddable, but could also be an Entity if stored in a object table.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../org/eclipse/persistence/mappings/structures/ObjectRelationalDataTypeDescriptor.html" title="class in org.eclipse.persistence.mappings.structures"><code>ObjectRelationalDataTypeDescriptor</code></a>,
<a href="../../../../org/eclipse/persistence/mappings/structures/StructureMapping.html" title="class in org.eclipse.persistence.mappings.structures"><code>StructureMapping</code></a></dd>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>James Sutherland</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>EclipseLink 2.3</dd>
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<h3>Required Element Summary</h3>
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<caption><span>Required Elements</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Required Element and Description</th>
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<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/Struct.html#name--">name</a></span></code>
<div class="block">(Required) The database name of the database structure type.</div>
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<h3>Optional Element Summary</h3>
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<caption><span>Optional Elements</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<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/Struct.html#fields--">fields</a></span></code>
<div class="block">(Optional) Defines the order of the fields contained in the database structure type.</div>
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<h4>name</h4>
<pre>public abstract&nbsp;<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>&nbsp;name</pre>
<div class="block">(Required) The database name of the database structure type.</div>
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<pre>public abstract&nbsp;<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>[]&nbsp;fields</pre>
<div class="block">(Optional) Defines the order of the fields contained in the database structure type.</div>
<dl>
<dt>Default:</dt>
<dd>{}</dd>
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