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<h2 title="Interface Logging" class="title">Interface Logging</h2>
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<dt>All Known Implementing Classes:</dt>
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</dl>
<hr>
<br>
<pre>public interface <span class="strong">Logging</span></pre>
<div class="block">:: DeveloperApi ::
Utility trait for classes that want to log data. Creates a SLF4J logger for the class and allows
logging messages at different levels using methods that only evaluate parameters lazily if the
log level is enabled.
<p>
NOTE: DO NOT USE this class outside of Spark. It is intended as an internal utility.
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<caption><span>Methods</span><span class="tabEnd"> </span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/Logging.html#initializeIfNecessary()">initializeIfNecessary</a></strong>()</code> </td>
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<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/Logging.html#initializeLogging()">initializeLogging</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/Logging.html#isTraceEnabled()">isTraceEnabled</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>org.slf4j.Logger</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/Logging.html#log_()">log_</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>org.slf4j.Logger</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/Logging.html#log()">log</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/Logging.html#logDebug(scala.Function0)">logDebug</a></strong>(scala.Function0<java.lang.String> msg)</code> </td>
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<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/Logging.html#logDebug(scala.Function0, java.lang.Throwable)">logDebug</a></strong>(scala.Function0<java.lang.String> msg,
java.lang.Throwable throwable)</code> </td>
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<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/Logging.html#logError(scala.Function0)">logError</a></strong>(scala.Function0<java.lang.String> msg)</code> </td>
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<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/Logging.html#logError(scala.Function0, java.lang.Throwable)">logError</a></strong>(scala.Function0<java.lang.String> msg,
java.lang.Throwable throwable)</code> </td>
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<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/Logging.html#logInfo(scala.Function0)">logInfo</a></strong>(scala.Function0<java.lang.String> msg)</code> </td>
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<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/Logging.html#logInfo(scala.Function0, java.lang.Throwable)">logInfo</a></strong>(scala.Function0<java.lang.String> msg,
java.lang.Throwable throwable)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/Logging.html#logName()">logName</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/Logging.html#logTrace(scala.Function0)">logTrace</a></strong>(scala.Function0<java.lang.String> msg)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/Logging.html#logTrace(scala.Function0, java.lang.Throwable)">logTrace</a></strong>(scala.Function0<java.lang.String> msg,
java.lang.Throwable throwable)</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/Logging.html#logWarning(scala.Function0)">logWarning</a></strong>(scala.Function0<java.lang.String> msg)</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../org/apache/spark/Logging.html#logWarning(scala.Function0, java.lang.Throwable)">logWarning</a></strong>(scala.Function0<java.lang.String> msg,
java.lang.Throwable throwable)</code> </td>
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<h4>log_</h4>
<pre>org.slf4j.Logger log_()</pre>
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<h4>logName</h4>
<pre>java.lang.String logName()</pre>
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<h4>log</h4>
<pre>org.slf4j.Logger log()</pre>
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<h4>logInfo</h4>
<pre>void logInfo(scala.Function0<java.lang.String> msg)</pre>
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<h4>logDebug</h4>
<pre>void logDebug(scala.Function0<java.lang.String> msg)</pre>
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<h4>logTrace</h4>
<pre>void logTrace(scala.Function0<java.lang.String> msg)</pre>
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<h4>logWarning</h4>
<pre>void logWarning(scala.Function0<java.lang.String> msg)</pre>
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<h4>logError</h4>
<pre>void logError(scala.Function0<java.lang.String> msg)</pre>
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<h4>logInfo</h4>
<pre>void logInfo(scala.Function0<java.lang.String> msg,
java.lang.Throwable throwable)</pre>
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<pre>void logDebug(scala.Function0<java.lang.String> msg,
java.lang.Throwable throwable)</pre>
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<pre>void logTrace(scala.Function0<java.lang.String> msg,
java.lang.Throwable throwable)</pre>
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<h4>logWarning</h4>
<pre>void logWarning(scala.Function0<java.lang.String> msg,
java.lang.Throwable throwable)</pre>
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<h4>logError</h4>
<pre>void logError(scala.Function0<java.lang.String> msg,
java.lang.Throwable throwable)</pre>
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<h4>isTraceEnabled</h4>
<pre>boolean isTraceEnabled()</pre>
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<h4>initializeIfNecessary</h4>
<pre>void initializeIfNecessary()</pre>
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<h4>initializeLogging</h4>
<pre>void initializeLogging()</pre>
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