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| <h2 title="Annotation Type SequenceGenerator" class="title">Annotation Type SequenceGenerator</h2> |
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| <pre>@Repeatable(value=<a href="../../javax/persistence/SequenceGenerators.html" title="annotation in javax.persistence">SequenceGenerators.class</a>) |
| @Target(value={TYPE,METHOD,FIELD}) |
| @Retention(value=RUNTIME) |
| public @interface <span class="memberNameLabel">SequenceGenerator</span></pre> |
| <div class="block">Defines a primary key generator that may be referenced by name when |
| a generator element is specified for the <a href="../../javax/persistence/GeneratedValue.html" title="annotation in javax.persistence"><code>GeneratedValue</code></a> |
| annotation. A sequence generator may be specified on the entity |
| class or on the primary key field or property. The scope of the |
| generator name is global to the persistence unit (across all |
| generator types). |
| |
| <pre> |
| Example: |
| |
| @SequenceGenerator(name="EMP_SEQ", allocationSize=25) |
| </pre></div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>Java Persistence 1.0</dd> |
| </dl> |
| </li> |
| </ul> |
| </div> |
| <div class="summary"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- =========== ANNOTATION TYPE REQUIRED MEMBER SUMMARY =========== --> |
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| <li class="blockList"><a name="annotation.type.required.element.summary"> |
| <!-- --> |
| </a> |
| <h3>Required Element Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Required Element Summary table, listing required elements, and an explanation"> |
| <caption><span>Required Elements</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Required Element and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/persistence/SequenceGenerator.html#name--">name</a></span></code> |
| <div class="block">(Required) A unique generator name that can be referenced |
| by one or more classes to be the generator for primary key |
| values.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
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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>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/persistence/SequenceGenerator.html#allocationSize--">allocationSize</a></span></code> |
| <div class="block">(Optional) The amount to increment by when allocating |
| sequence numbers from the sequence.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/persistence/SequenceGenerator.html#catalog--">catalog</a></span></code> |
| <div class="block">(Optional) The catalog of the sequence generator.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/persistence/SequenceGenerator.html#initialValue--">initialValue</a></span></code> |
| <div class="block">(Optional) The value from which the sequence object |
| is to start generating.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/persistence/SequenceGenerator.html#schema--">schema</a></span></code> |
| <div class="block">(Optional) The schema of the sequence generator.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../javax/persistence/SequenceGenerator.html#sequenceName--">sequenceName</a></span></code> |
| <div class="block">(Optional) The name of the database sequence object from |
| which to obtain primary key values.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <!-- --> |
| </a> |
| <h3>Element Detail</h3> |
| <a name="name--"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>name</h4> |
| <pre>public abstract java.lang.String name</pre> |
| <div class="block">(Required) A unique generator name that can be referenced |
| by one or more classes to be the generator for primary key |
| values.</div> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <!-- ============ ANNOTATION TYPE MEMBER DETAIL =========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="sequenceName--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>sequenceName</h4> |
| <pre>public abstract java.lang.String sequenceName</pre> |
| <div class="block">(Optional) The name of the database sequence object from |
| which to obtain primary key values. |
| <p> Defaults to a provider-chosen value.</div> |
| <dl> |
| <dt>Default:</dt> |
| <dd>""</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a name="catalog--"> |
| <!-- --> |
| </a> |
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| <li class="blockList"> |
| <h4>catalog</h4> |
| <pre>public abstract java.lang.String catalog</pre> |
| <div class="block">(Optional) The catalog of the sequence generator.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>Java Persistence 2.0</dd> |
| </dl> |
| <dl> |
| <dt>Default:</dt> |
| <dd>""</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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| <li class="blockList"><a name="schema--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>schema</h4> |
| <pre>public abstract java.lang.String schema</pre> |
| <div class="block">(Optional) The schema of the sequence generator.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>Java Persistence 2.0</dd> |
| </dl> |
| <dl> |
| <dt>Default:</dt> |
| <dd>""</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a name="initialValue--"> |
| <!-- --> |
| </a> |
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| <li class="blockList"> |
| <h4>initialValue</h4> |
| <pre>public abstract int initialValue</pre> |
| <div class="block">(Optional) The value from which the sequence object |
| is to start generating.</div> |
| <dl> |
| <dt>Default:</dt> |
| <dd>1</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a name="allocationSize--"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>allocationSize</h4> |
| <pre>public abstract int allocationSize</pre> |
| <div class="block">(Optional) The amount to increment by when allocating |
| sequence numbers from the sequence.</div> |
| <dl> |
| <dt>Default:</dt> |
| <dd>50</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
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