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| <h2 title="Class PCSubclassValidator" class="title">Class PCSubclassValidator</h2> |
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| <li>org.apache.openjpa.enhance.PCSubclassValidator</li> |
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| <pre>public class <span class="typeNameLabel">PCSubclassValidator</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"><p>Validates that a given type meets the JPA contract, plus a few |
| OpenJPA-specific additions for subclassing / redefinition: |
| |
| <ul> |
| <li>must have an accessible no-args constructor</li> |
| <li>must be a public or protected class</li> |
| <li>must not be final</li> |
| <li>must not extend an enhanced class</li> |
| <li>all persistent data represented by accessible setter/getter |
| methods (persistent properties)</li> |
| <li>if versioning is to be used, exactly one persistent property for |
| the numeric version data</li> <!-- ##### is this true? --> |
| |
| <li>When using property access, the backing field for a persistent |
| property must be: |
| <ul> |
| <!-- ##### JPA validation of these needs to be tested --> |
| <li>private</li> |
| <li>set only in the designated setter, |
| in the constructor, or in <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"><code>Object.clone()</code></a>, |
| <code>readObject(ObjectInputStream)</code>, or |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Externalizable.html?is-external=true#readExternal-java.io.ObjectInput-" title="class or interface in java.io"><code>Externalizable.readExternal(ObjectInput)</code></a>.</li> |
| <li>read only in the designated getter and the |
| constructor.</li> |
| </ul> |
| </li> |
| </ul> |
| |
| <p>If you use this technique and use the <code>new</code> keyword instead |
| of a OpenJPA-supplied construction routine, OpenJPA will need to do extra |
| work with persistent-new-flushed instances, since OpenJPA cannot in this |
| case track what happens to such an instance.</p></div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.0.0</dd> |
| </dl> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/enhance/PCSubclassValidator.html#PCSubclassValidator-org.apache.openjpa.meta.ClassMetaData-serp.bytecode.BCClass-org.apache.openjpa.lib.log.Log-boolean-">PCSubclassValidator</a></span>(<a href="../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a> meta, |
| serp.bytecode.BCClass bc, |
| <a href="../../../../org/apache/openjpa/lib/log/Log.html" title="interface in org.apache.openjpa.lib.log">Log</a> log, |
| boolean enforceContractViolations)</code> </td> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/openjpa/enhance/PCSubclassValidator.html#assertCanSubclass--">assertCanSubclass</a></span>()</code> </td> |
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| <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> |
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| <h4>PCSubclassValidator</h4> |
| <pre>public PCSubclassValidator(<a href="../../../../org/apache/openjpa/meta/ClassMetaData.html" title="class in org.apache.openjpa.meta">ClassMetaData</a> meta, |
| serp.bytecode.BCClass bc, |
| <a href="../../../../org/apache/openjpa/lib/log/Log.html" title="interface in org.apache.openjpa.lib.log">Log</a> log, |
| boolean enforceContractViolations)</pre> |
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| <pre>public void assertCanSubclass()</pre> |
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