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| <h2 title="Class CommitOrderType" class="title">Class CommitOrderType</h2> |
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| <li>org.eclipse.persistence.config.CommitOrderType</li> |
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| <pre>public class <span class="typeNameLabel">CommitOrderType</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">Commit order type persistence property values. |
| |
| <p>JPA persistence property Usage: |
| |
| <p><code>properties.add(PersistenceUnitProperties.PERSISTENCE_CONTEXT_COMMIT_ORDER, CommitOrderType.Changes);</code> |
| <p>Property values are case-insensitive. |
| |
| Defines the ordering of updates and deletes of a set of the same entity type during a commit or flush operation. |
| The commit order of entities is defined by their foreign key constraints, and then sorted alphabetically.\ |
| <p> |
| By default the commit of a set of the same entity type is not ordered. |
| <p> |
| Entity type commit order can be modified using a DescriptorCustomizer and the ClassDescriptor.addConstraintDependency() API. |
| Commit order can also be controlled using the EntityManager.flush() API.</div> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| <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/config/CommitOrderType.html#Changes">Changes</a></span></code> |
| <div class="block">Updates are ordered by the object's changes, then by id.</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/config/CommitOrderType.html#DEFAULT">DEFAULT</a></span></code> </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/config/CommitOrderType.html#Id">Id</a></span></code> |
| <div class="block">Updates and deletes are ordered by the object's id.</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/config/CommitOrderType.html#None">None</a></span></code> |
| <div class="block">No ordering is done.</div> |
| </td> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/eclipse/persistence/config/CommitOrderType.html#CommitOrderType--">CommitOrderType</a></span>()</code> </td> |
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| <a name="Id"> |
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| <h4>Id</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> Id</pre> |
| <div class="block">Updates and deletes are ordered by the object's id. This can help avoid deadlocks on highly concurrent systems.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.CommitOrderType.Id">Constant Field Values</a></dd> |
| </dl> |
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| <h4>Changes</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> Changes</pre> |
| <div class="block">Updates are ordered by the object's changes, then by id. This can improve batch writing efficiency.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.CommitOrderType.Changes">Constant Field Values</a></dd> |
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| <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">No ordering is done.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../constant-values.html#org.eclipse.persistence.config.CommitOrderType.None">Constant Field Values</a></dd> |
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| <h4>DEFAULT</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> DEFAULT</pre> |
| <dl> |
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| <h4>CommitOrderType</h4> |
| <pre>public CommitOrderType()</pre> |
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