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| org.apache.openjpa.enhance</FONT> | |
| <BR> | |
| Class PCSubclassValidator</H2> | |
| <PRE> | |
| <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A> | |
| <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.openjpa.enhance.PCSubclassValidator</B> | |
| </PRE> | |
| <HR> | |
| <DL> | |
| <DT><PRE>public class <B>PCSubclassValidator</B><DT>extends <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></DL> | |
| </PRE> | |
| <P> | |
| <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="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang"><CODE>Object.clone()</CODE></A>, | |
| <code>readObject(ObjectInputStream)</code>, or | |
| <CODE>Externalizable#readExternal(ObjectInput)</CODE>.</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> | |
| <P> | |
| <P> | |
| <DL> | |
| <DT><B>Since:</B></DT> | |
| <DD>1.0.0</DD> | |
| </DL> | |
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| <P> | |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> | |
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| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD><CODE><B><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></B>(<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> | |
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| <CODE> void</CODE></FONT></TD> | |
| <TD><CODE><B><A HREF="../../../../org/apache/openjpa/enhance/PCSubclassValidator.html#assertCanSubclass()">assertCanSubclass</A></B>()</CODE> | |
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| <TR BGCOLOR="white" CLASS="TableRowColor"> | |
| <TD><CODE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> | |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> | |
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| <A NAME="PCSubclassValidator(org.apache.openjpa.meta.ClassMetaData, serp.bytecode.BCClass, org.apache.openjpa.lib.log.Log, boolean)"><!-- --></A><H3> | |
| PCSubclassValidator</H3> | |
| <PRE> | |
| public <B>PCSubclassValidator</B>(<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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| <A NAME="assertCanSubclass()"><!-- --></A><H3> | |
| assertCanSubclass</H3> | |
| <PRE> | |
| public void <B>assertCanSubclass</B>()</PRE> | |
| <DL> | |
| <DD><DL> | |
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