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| <h2 title="Class ThreadContextMapFactory" class="title">Class ThreadContextMapFactory</h2> |
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| <pre>public final class <a href="../../../../../src-html/org/apache/logging/log4j/spi/ThreadContextMapFactory.html#line.48">ThreadContextMapFactory</a> |
| 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">Creates the ThreadContextMap instance used by the ThreadContext. |
| <p> |
| If <a href="../../../../../org/apache/logging/log4j/util/Constants.html#ENABLE_THREADLOCALS"><code>Log4j can use ThreadLocals</code></a>, a garbage-free StringMap-based context map can |
| be installed by setting system property <code>log4j2.garbagefree.threadContextMap</code> to <code>true</code>. |
| </p><p> |
| Furthermore, any custom <code>ThreadContextMap</code> can be installed by setting system property |
| <code>log4j2.threadContextMap</code> to the fully qualified class name of the class implementing the |
| <code>ThreadContextMap</code> interface. (Also implement the <code>ReadOnlyThreadContextMap</code> interface if your custom |
| <code>ThreadContextMap</code> implementation should be accessible to applications via the |
| <a href="../../../../../org/apache/logging/log4j/ThreadContext.html#getThreadContextMap--"><code>ThreadContext.getThreadContextMap()</code></a> method.) |
| </p><p> |
| Instead of system properties, the above can also be specified in a properties file named |
| <code>log4j2.component.properties</code> in the classpath. |
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| <dd>2.7</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../org/apache/logging/log4j/spi/ThreadContextMap.html" title="interface in org.apache.logging.log4j.spi"><code>ThreadContextMap</code></a>, |
| <a href="../../../../../org/apache/logging/log4j/spi/ReadOnlyThreadContextMap.html" title="interface in org.apache.logging.log4j.spi"><code>ReadOnlyThreadContextMap</code></a>, |
| <a href="../../../../../org/apache/logging/log4j/ThreadContext.html" title="class in org.apache.logging.log4j"><code>ThreadContext</code></a></dd> |
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| <td class="colFirst"><code>static <a href="../../../../../org/apache/logging/log4j/spi/ThreadContextMap.html" title="interface in org.apache.logging.log4j.spi">ThreadContextMap</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/logging/log4j/spi/ThreadContextMapFactory.html#createThreadContextMap--">createThreadContextMap</a></span>()</code> </td> |
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| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/logging/log4j/spi/ThreadContextMapFactory.html#init--">init</a></span>()</code> |
| <div class="block">Initializes static variables based on system properties.</div> |
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| <pre>public static void <a href="../../../../../src-html/org/apache/logging/log4j/spi/ThreadContextMapFactory.html#line.64">init</a>()</pre> |
| <div class="block">Initializes static variables based on system properties. Normally called when this class is initialized by the VM |
| and when Log4j is reconfigured.</div> |
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| <pre>public static <a href="../../../../../org/apache/logging/log4j/spi/ThreadContextMap.html" title="interface in org.apache.logging.log4j.spi">ThreadContextMap</a> <a href="../../../../../src-html/org/apache/logging/log4j/spi/ThreadContextMapFactory.html#line.84">createThreadContextMap</a>()</pre> |
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