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<title>org.apache.logging.log4j.core.appender.db.jpa.converter (Apache Log4j JPA 2.13.3 API)</title>
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<h1 title="Package" class="title">Package&nbsp;org.apache.logging.log4j.core.appender.db.jpa.converter</h1>
<div class="docSummary">
<div class="block">The converters in this package implement the JPA 2.1 mechanism for converting non-standard types to and from
database fields.</div>
</div>
<p>See:&nbsp;<a href="#package.description">Description</a></p>
</div>
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<table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Class Summary table, listing classes, and an explanation">
<caption><span>Class Summary</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../../../../org/apache/logging/log4j/core/appender/db/jpa/converter/ContextDataAttributeConverter.html" title="class in org.apache.logging.log4j.core.appender.db.jpa.converter">ContextDataAttributeConverter</a></td>
<td class="colLast">
<div class="block">A JPA 2.1 attribute converter for <code>ReadOnlyStringMap</code>s in
<code>LogEvent</code>s.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../../../../org/apache/logging/log4j/core/appender/db/jpa/converter/ContextDataJsonAttributeConverter.html" title="class in org.apache.logging.log4j.core.appender.db.jpa.converter">ContextDataJsonAttributeConverter</a></td>
<td class="colLast">
<div class="block">A JPA 2.1 attribute converter for <code>ReadOnlyStringMap</code>s in
<code>LogEvent</code>s.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../../../../org/apache/logging/log4j/core/appender/db/jpa/converter/ContextMapAttributeConverter.html" title="class in org.apache.logging.log4j.core.appender.db.jpa.converter">ContextMapAttributeConverter</a></td>
<td class="colLast">
<div class="block">A JPA 2.1 attribute converter for <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util"><code>Map&lt;String, String&gt;</code></a>s in
<code>LogEvent</code>s.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../../../../org/apache/logging/log4j/core/appender/db/jpa/converter/ContextMapJsonAttributeConverter.html" title="class in org.apache.logging.log4j.core.appender.db.jpa.converter">ContextMapJsonAttributeConverter</a></td>
<td class="colLast">
<div class="block">A JPA 2.1 attribute converter for <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util"><code>Map&lt;String, String&gt;</code></a>s in
<code>LogEvent</code>s.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../../../../org/apache/logging/log4j/core/appender/db/jpa/converter/ContextStackAttributeConverter.html" title="class in org.apache.logging.log4j.core.appender.db.jpa.converter">ContextStackAttributeConverter</a></td>
<td class="colLast">
<div class="block">A JPA 2.1 attribute converter for
<code>ThreadContext.ContextStack</code>s in
<code>LogEvent</code>s.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../../../../org/apache/logging/log4j/core/appender/db/jpa/converter/ContextStackJsonAttributeConverter.html" title="class in org.apache.logging.log4j.core.appender.db.jpa.converter">ContextStackJsonAttributeConverter</a></td>
<td class="colLast">
<div class="block">A JPA 2.1 attribute converter for
<code>ThreadContext.ContextStack</code>s in
<code>LogEvent</code>s.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../../../../org/apache/logging/log4j/core/appender/db/jpa/converter/InstantAttributeConverter.html" title="class in org.apache.logging.log4j.core.appender.db.jpa.converter">InstantAttributeConverter</a></td>
<td class="colLast">
<div class="block">A JPA 2.1 attribute converter for <code>Instant</code>s in <code>LogEvent</code>s.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../../../../org/apache/logging/log4j/core/appender/db/jpa/converter/LevelAttributeConverter.html" title="class in org.apache.logging.log4j.core.appender.db.jpa.converter">LevelAttributeConverter</a></td>
<td class="colLast">
<div class="block">A JPA 2.1 attribute converter for <code>Level</code>s in <code>LogEvent</code>s.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../../../../org/apache/logging/log4j/core/appender/db/jpa/converter/MarkerAttributeConverter.html" title="class in org.apache.logging.log4j.core.appender.db.jpa.converter">MarkerAttributeConverter</a></td>
<td class="colLast">
<div class="block">A JPA 2.1 attribute converter for <code>Marker</code>s in <code>LogEvent</code>s.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../../../../org/apache/logging/log4j/core/appender/db/jpa/converter/MessageAttributeConverter.html" title="class in org.apache.logging.log4j.core.appender.db.jpa.converter">MessageAttributeConverter</a></td>
<td class="colLast">
<div class="block">A JPA 2.1 attribute converter for <code>Message</code>s in <code>LogEvent</code>s.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../../../../../org/apache/logging/log4j/core/appender/db/jpa/converter/StackTraceElementAttributeConverter.html" title="class in org.apache.logging.log4j.core.appender.db.jpa.converter">StackTraceElementAttributeConverter</a></td>
<td class="colLast">
<div class="block">A JPA 2.1 attribute converter for <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/StackTraceElement.html?is-external=true" title="class or interface in java.lang"><code>StackTraceElement</code></a>s in <code>LogEvent</code>s.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../../../../../org/apache/logging/log4j/core/appender/db/jpa/converter/ThrowableAttributeConverter.html" title="class in org.apache.logging.log4j.core.appender.db.jpa.converter">ThrowableAttributeConverter</a></td>
<td class="colLast">
<div class="block">A JPA 2.1 attribute converter for <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Throwable.html?is-external=true" title="class or interface in java.lang"><code>Throwable</code></a>s in <code>LogEvent</code>s.</div>
</td>
</tr>
</tbody>
</table>
</li>
</ul>
<a name="package.description">
<!-- -->
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<h2 title="Package org.apache.logging.log4j.core.appender.db.jpa.converter Description">Package org.apache.logging.log4j.core.appender.db.jpa.converter Description</h2>
<div class="block">The converters in this package implement the JPA 2.1 mechanism for converting non-standard types to and from
database fields. Most of these types are capable of two-way conversion and can be used to both persist and retrieve
entities. The
<a href="../../../../../../../../../org/apache/logging/log4j/core/appender/db/jpa/converter/ContextMapAttributeConverter.html" title="class in org.apache.logging.log4j.core.appender.db.jpa.converter"><code>ContextMapAttributeConverter</code></a>
and <a href="../../../../../../../../../org/apache/logging/log4j/core/appender/db/jpa/converter/ContextStackAttributeConverter.html" title="class in org.apache.logging.log4j.core.appender.db.jpa.converter"><code>ContextStackAttributeConverter</code></a>
only support persistence and not retrieval, persisting the type as a simple string. You can use the
<a href="../../../../../../../../../org/apache/logging/log4j/core/appender/db/jpa/converter/ContextMapJsonAttributeConverter.html" title="class in org.apache.logging.log4j.core.appender.db.jpa.converter"><code>ContextMapJsonAttributeConverter</code></a>
and <a href="../../../../../../../../../org/apache/logging/log4j/core/appender/db/jpa/converter/ContextStackJsonAttributeConverter.html" title="class in org.apache.logging.log4j.core.appender.db.jpa.converter"><code>ContextStackJsonAttributeConverter</code></a>
instead, which require the Jackson Data Processor dependency to also be on your class path.</div>
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