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| <div class="subTitle">org.apache.openjpa.util</div> |
| <h2 title="Class ImplHelper" class="title">Class ImplHelper</h2> |
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| <li>org.apache.openjpa.util.ImplHelper</li> |
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| <pre>public class <span class="typeNameLabel">ImplHelper</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">Helper for OpenJPA back-ends.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>0.3.0</dd> |
| <dt><span class="simpleTagLabel">Author:</span></dt> |
| <dd>Abe White</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h3>Field Summary</h3> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/util/ImplHelper.html#Z:Z_unenhancedInstanceMap">_unenhancedInstanceMap</a></span></code> </td> |
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| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/util/ImplHelper.html#ImplHelper--">ImplHelper</a></span>()</code> </td> |
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| <h3>Method Summary</h3> |
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| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/util/ImplHelper.html#close-java.lang.Object-">close</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> o)</code> |
| <div class="block">Close the given resource.</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/util/ImplHelper.html#generateFieldValue-org.apache.openjpa.kernel.StoreContext-org.apache.openjpa.meta.FieldMetaData-">generateFieldValue</a></span>(<a href="../../../../org/apache/openjpa/kernel/StoreContext.html" title="interface in org.apache.openjpa.kernel">StoreContext</a> ctx, |
| <a href="../../../../org/apache/openjpa/meta/FieldMetaData.html" title="class in org.apache.openjpa.meta">FieldMetaData</a> fmd)</code> |
| <div class="block">Generate a value for the given metadata, or return null.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <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/util/ImplHelper.html#generateIdentityValue-org.apache.openjpa.kernel.StoreContext-org.apache.openjpa.meta.ClassMetaData-int-">generateIdentityValue</a></span>(<a href="../../../../org/apache/openjpa/kernel/StoreContext.html" title="interface in org.apache.openjpa.kernel">StoreContext</a> ctx, |
| <a href="../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a> meta, |
| int typeCode)</code> |
| <div class="block">Generate a value for the given metadata, or return null.</div> |
| </td> |
| </tr> |
| <tr id="i3" 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/util/ImplHelper.html#getManagedInstance-java.lang.Object-">getManagedInstance</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> o)</code> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util">BitSet</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/util/ImplHelper.html#getUpdateFields-org.apache.openjpa.kernel.OpenJPAStateManager-">getUpdateFields</a></span>(<a href="../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a> sm)</code> |
| <div class="block">Returns the fields of the state that require an update.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/util/ImplHelper.html#isAssignable-java.lang.Class-java.lang.Class-">isAssignable</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> from, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> to)</code> |
| <div class="block">Returns true if the referenced "to" class is assignable to the "from" |
| class.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/util/ImplHelper.html#isManageable-java.lang.Object-">isManageable</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> instance)</code> |
| <div class="block">Returns true if the specified instance is manageable.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/util/ImplHelper.html#isManagedType-org.apache.openjpa.conf.OpenJPAConfiguration-java.lang.Class-">isManagedType</a></span>(<a href="../../../../org/apache/openjpa/conf/OpenJPAConfiguration.html" title="interface in org.apache.openjpa.conf">OpenJPAConfiguration</a> conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> type)</code> |
| <div class="block">Returns true if the specified class is a type that can be managed by |
| OpenJPA.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/util/ImplHelper.html#loadAll-java.util.Collection-org.apache.openjpa.kernel.StoreManager-org.apache.openjpa.kernel.PCState-int-org.apache.openjpa.kernel.FetchConfiguration-java.lang.Object-">loadAll</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a> sms, |
| <a href="../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a> store, |
| <a href="../../../../org/apache/openjpa/kernel/PCState.html" title="class in org.apache.openjpa.kernel">PCState</a> state, |
| int load, |
| <a href="../../../../org/apache/openjpa/kernel/FetchConfiguration.html" title="interface in org.apache.openjpa.kernel">FetchConfiguration</a> fetch, |
| <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> context)</code> |
| <div class="block">Helper for store manager implementations.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/util/ImplHelper.html#registerPersistenceCapable-org.apache.openjpa.enhance.ReflectingPersistenceCapable-">registerPersistenceCapable</a></span>(<a href="../../../../org/apache/openjpa/enhance/ReflectingPersistenceCapable.html" title="class in org.apache.openjpa.enhance">ReflectingPersistenceCapable</a> pc)</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/openjpa/enhance/PersistenceCapable.html" title="interface in org.apache.openjpa.enhance">PersistenceCapable</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/util/ImplHelper.html#toPersistenceCapable-java.lang.Object-java.lang.Object-">toPersistenceCapable</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> o, |
| <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> ctx)</code> </td> |
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| <h3>Methods inherited from class java.lang.<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></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
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| <!-- ============ FIELD DETAIL =========== --> |
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| <h3>Field Detail</h3> |
| <a name="Z:Z_unenhancedInstanceMap"> |
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| </a> |
| <ul class="blockListLast"> |
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| <h4>_unenhancedInstanceMap</h4> |
| <pre>public static final <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a> _unenhancedInstanceMap</pre> |
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| <h4>ImplHelper</h4> |
| <pre>public ImplHelper()</pre> |
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| <h3>Method Detail</h3> |
| <a name="loadAll-java.util.Collection-org.apache.openjpa.kernel.StoreManager-org.apache.openjpa.kernel.PCState-int-org.apache.openjpa.kernel.FetchConfiguration-java.lang.Object-"> |
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| <h4>loadAll</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a> loadAll(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a> sms, |
| <a href="../../../../org/apache/openjpa/kernel/StoreManager.html" title="interface in org.apache.openjpa.kernel">StoreManager</a> store, |
| <a href="../../../../org/apache/openjpa/kernel/PCState.html" title="class in org.apache.openjpa.kernel">PCState</a> state, |
| int load, |
| <a href="../../../../org/apache/openjpa/kernel/FetchConfiguration.html" title="interface in org.apache.openjpa.kernel">FetchConfiguration</a> fetch, |
| <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> context)</pre> |
| <div class="block">Helper for store manager implementations. This method simply delegates |
| to the proper singular method for each state manager.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>0.4.0</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../org/apache/openjpa/kernel/StoreManager.html#loadAll-java.util.Collection-org.apache.openjpa.kernel.PCState-int-org.apache.openjpa.kernel.FetchConfiguration-java.lang.Object-"><code>StoreManager.loadAll(java.util.Collection<org.apache.openjpa.kernel.OpenJPAStateManager>, org.apache.openjpa.kernel.PCState, int, org.apache.openjpa.kernel.FetchConfiguration, java.lang.Object)</code></a></dd> |
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| <h4>generateIdentityValue</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> generateIdentityValue(<a href="../../../../org/apache/openjpa/kernel/StoreContext.html" title="interface in org.apache.openjpa.kernel">StoreContext</a> ctx, |
| <a href="../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a> meta, |
| int typeCode)</pre> |
| <div class="block">Generate a value for the given metadata, or return null. Generates |
| values for hte following strategies: <a href="../../../../org/apache/openjpa/meta/ValueStrategies.html#SEQUENCE"><code>ValueStrategies.SEQUENCE</code></a>, |
| <a href="../../../../org/apache/openjpa/meta/ValueStrategies.html#UUID_STRING"><code>ValueStrategies.UUID_STRING</code></a>, <a href="../../../../org/apache/openjpa/meta/ValueStrategies.html#UUID_HEX"><code>ValueStrategies.UUID_HEX</code></a></div> |
| </li> |
| </ul> |
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| <h4>generateFieldValue</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> generateFieldValue(<a href="../../../../org/apache/openjpa/kernel/StoreContext.html" title="interface in org.apache.openjpa.kernel">StoreContext</a> ctx, |
| <a href="../../../../org/apache/openjpa/meta/FieldMetaData.html" title="class in org.apache.openjpa.meta">FieldMetaData</a> fmd)</pre> |
| <div class="block">Generate a value for the given metadata, or return null. Generates |
| values for hte following strategies: <a href="../../../../org/apache/openjpa/meta/ValueStrategies.html#SEQUENCE"><code>ValueStrategies.SEQUENCE</code></a>, |
| <a href="../../../../org/apache/openjpa/meta/ValueStrategies.html#UUID_STRING"><code>ValueStrategies.UUID_STRING</code></a>, <a href="../../../../org/apache/openjpa/meta/ValueStrategies.html#UUID_HEX"><code>ValueStrategies.UUID_HEX</code></a></div> |
| </li> |
| </ul> |
| <a name="getUpdateFields-org.apache.openjpa.kernel.OpenJPAStateManager-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>getUpdateFields</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/BitSet.html?is-external=true" title="class or interface in java.util">BitSet</a> getUpdateFields(<a href="../../../../org/apache/openjpa/kernel/OpenJPAStateManager.html" title="interface in org.apache.openjpa.kernel">OpenJPAStateManager</a> sm)</pre> |
| <div class="block">Returns the fields of the state that require an update.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>sm</code> - the state to check</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the BitSet of fields that need update, or null if none</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="close-java.lang.Object-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>close</h4> |
| <pre>public static void close(<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> o)</pre> |
| <div class="block">Close the given resource. The resource can be an extent iterator, |
| query result, large result set relation, or any closeable OpenJPA |
| component.</div> |
| </li> |
| </ul> |
| <a name="isManagedType-org.apache.openjpa.conf.OpenJPAConfiguration-java.lang.Class-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>isManagedType</h4> |
| <pre>public static boolean isManagedType(<a href="../../../../org/apache/openjpa/conf/OpenJPAConfiguration.html" title="interface in org.apache.openjpa.conf">OpenJPAConfiguration</a> conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> type)</pre> |
| <div class="block">Returns true if the specified class is a type that can be managed by |
| OpenJPA.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>type</code> - the class to test</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if the class is manageable.</dd> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.0.0</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isManageable-java.lang.Object-"> |
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| <h4>isManageable</h4> |
| <pre>public static boolean isManageable(<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> instance)</pre> |
| <div class="block">Returns true if the specified instance is manageable.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>instance</code> - the object to check</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if the instance is a persistent type, false otherwise</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isAssignable-java.lang.Class-java.lang.Class-"> |
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| </a> |
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| <h4>isAssignable</h4> |
| <pre>public static boolean isAssignable(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> from, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a> to)</pre> |
| <div class="block">Returns true if the referenced "to" class is assignable to the "from" |
| class. This helper method utilizes a cache to help avoid the overhead |
| of the Class.isAssignableFrom() method.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>from</code> - target class instance to be checked for assignability</dd> |
| <dd><code>to</code> - second class instance to be checked for assignability</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if the "to" class is assignable to the "from" class</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="toPersistenceCapable-java.lang.Object-java.lang.Object-"> |
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| <h4>toPersistenceCapable</h4> |
| <pre>public static <a href="../../../../org/apache/openjpa/enhance/PersistenceCapable.html" title="interface in org.apache.openjpa.enhance">PersistenceCapable</a> toPersistenceCapable(<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> o, |
| <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> ctx)</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the persistence-capable instance responsible for managing |
| <code>o</code>, or <code>null</code> if <code>o</code> is not manageable.</dd> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.0.0</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="registerPersistenceCapable-org.apache.openjpa.enhance.ReflectingPersistenceCapable-"> |
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| <h4>registerPersistenceCapable</h4> |
| <pre>public static void registerPersistenceCapable(<a href="../../../../org/apache/openjpa/enhance/ReflectingPersistenceCapable.html" title="class in org.apache.openjpa.enhance">ReflectingPersistenceCapable</a> pc)</pre> |
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| <h4>getManagedInstance</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> getManagedInstance(<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> o)</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the user-visible representation of <code>o</code>.</dd> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.0.0</dd> |
| </dl> |
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