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| <h2 title="Class OpenJPAPersistenceUtil" class="title">Class OpenJPAPersistenceUtil</h2> |
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| <pre>public class <span class="typeNameLabel">OpenJPAPersistenceUtil</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> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/persistence/OpenJPAPersistenceUtil.html#OpenJPAPersistenceUtil--">OpenJPAPersistenceUtil</a></span>()</code> </td> |
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| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/persistence/OpenJPAPersistenceUtil.html#getIdentifier-java.lang.Object-">getIdentifier</a></span>(<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> entity)</code> |
| <div class="block">Returns the identifier of the persistent entity.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <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></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/persistence/OpenJPAPersistenceUtil.html#getIdentifier-org.apache.openjpa.persistence.OpenJPAEntityManagerFactory-java.lang.Object-">getIdentifier</a></span>(<a href="../../../../org/apache/openjpa/persistence/OpenJPAEntityManagerFactory.html" title="interface in org.apache.openjpa.persistence">OpenJPAEntityManagerFactory</a> emf, |
| <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> entity)</code> |
| <div class="block">Get the object identifier for a persistent entity managed by one |
| of the entity managers of the specified entity manager factory.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static javax.persistence.spi.LoadState</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/persistence/OpenJPAPersistenceUtil.html#isLoaded-java.lang.Object-java.lang.String-">isLoaded</a></span>(<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> obj, |
| <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> attr)</code> |
| <div class="block">Determines whether the attribute on the specified object is loaded and |
| is managed by one of the entity managers.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/persistence/OpenJPAPersistenceUtil.html#isManagedBy-org.apache.openjpa.persistence.OpenJPAEntityManagerFactory-java.lang.Object-">isManagedBy</a></span>(<a href="../../../../org/apache/openjpa/persistence/OpenJPAEntityManagerFactory.html" title="interface in org.apache.openjpa.persistence">OpenJPAEntityManagerFactory</a> emf, |
| <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> entity)</code> |
| <div class="block">Determines whether the specified state manager is managed by an open |
| broker within the persistence unit of the provided EMF instance.</div> |
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| <h4>OpenJPAPersistenceUtil</h4> |
| <pre>public OpenJPAPersistenceUtil()</pre> |
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| <h4>getIdentifier</h4> |
| <pre>public static <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> getIdentifier(<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> entity)</pre> |
| <div class="block">Returns the identifier of the persistent entity.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>entity</code> - </dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The identifier of the entity or null if the entity |
| is not persistent.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getIdentifier-org.apache.openjpa.persistence.OpenJPAEntityManagerFactory-java.lang.Object-"> |
| <!-- --> |
| </a> |
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| <h4>getIdentifier</h4> |
| <pre>public static <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> getIdentifier(<a href="../../../../org/apache/openjpa/persistence/OpenJPAEntityManagerFactory.html" title="interface in org.apache.openjpa.persistence">OpenJPAEntityManagerFactory</a> emf, |
| <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> entity)</pre> |
| <div class="block">Get the object identifier for a persistent entity managed by one |
| of the entity managers of the specified entity manager factory.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The identifier of the entity or null if the entity does |
| not have an identifier assigned or is not managed by any of the |
| entity managers of the entity manager factory.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isManagedBy-org.apache.openjpa.persistence.OpenJPAEntityManagerFactory-java.lang.Object-"> |
| <!-- --> |
| </a> |
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| <h4>isManagedBy</h4> |
| <pre>public static boolean isManagedBy(<a href="../../../../org/apache/openjpa/persistence/OpenJPAEntityManagerFactory.html" title="interface in org.apache.openjpa.persistence">OpenJPAEntityManagerFactory</a> emf, |
| <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> entity)</pre> |
| <div class="block">Determines whether the specified state manager is managed by an open |
| broker within the persistence unit of the provided EMF instance.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>emf</code> - OpenJPAEntityManagerFactory</dd> |
| <dd><code>sm</code> - StateManager</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if this state manager is managed by a broker within |
| this persistence unit.</dd> |
| </dl> |
| </li> |
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| <h4>isLoaded</h4> |
| <pre>public static javax.persistence.spi.LoadState isLoaded(<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> obj, |
| <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> attr)</pre> |
| <div class="block">Determines whether the attribute on the specified object is loaded and |
| is managed by one of the entity managers. Use isManagedBy() to |
| determine if an object is managed by a specific entity manager |
| factory.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>LoadState.LOADED - if the attribute is loaded. |
| LoadState.NOT_LOADED - if the attribute is not loaded or any |
| EAGER fetch attributes of the entity are not loaded. |
| LoadState.UNKNOWN - if the entity is not managed by this |
| provider or if it does not contain the persistent |
| attribute.</dd> |
| </dl> |
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