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<div class="subTitle">org.apache.log</div>
<h2 title="Class ContextMap" class="title">Class ContextMap</h2>
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<ul class="inheritance">
<li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li>
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<li>org.apache.log.ContextMap</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></dd>
</dl>
<hr>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
<div class="block"><span class="deprecationComment">Will be dropped in 3.3</span></div>
</div>
<br>
<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
public final class <span class="typeNameLabel">ContextMap</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>
implements <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></pre>
<div class="block">The ContextMap contains non-hierarchical context information
relevant to a particular LogEvent. It may include information
such as;
<ul>
<li>user -&gt;fred</li>
<li>hostname -&gt;helm.realityforge.org</li>
<li>ipaddress -&gt;1.2.3.4</li>
<li>interface -&gt;127.0.0.1</li>
<li>caller -&gt;com.biz.MyCaller.method(MyCaller.java:18)</li>
<li>source -&gt;1.6.3.2:33</li>
</ul>
The context is bound to a thread (and inherited by sub-threads) but
it can also be added to by LogTargets.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../serialized-form.html#org.apache.log.ContextMap">Serialized Form</a></dd>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../org/apache/log/ContextMap.html#ContextMap--">ContextMap</a></span>()</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Default constructor.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../org/apache/log/ContextMap.html#ContextMap-org.apache.log.ContextMap-">ContextMap</a></span>(<a href="../../../org/apache/log/ContextMap.html" title="class in org.apache.log">ContextMap</a>&nbsp;parent)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Constructor that sets parent contextMap.</div>
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<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log/ContextMap.html#bind-org.apache.log.ContextMap-">bind</a></span>(<a href="../../../org/apache/log/ContextMap.html" title="class in org.apache.log">ContextMap</a>&nbsp;context)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Bind a particular ContextMap to current thread.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log/ContextMap.html#clear--">clear</a></span>()</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Empty the context map.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log/ContextMap.html#get-java.lang.String-">get</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Get an entry from the context.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log/ContextMap.html#get-java.lang.String-java.lang.Object-">get</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key,
<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>&nbsp;defaultObject)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Get an entry from the context.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static <a href="../../../org/apache/log/ContextMap.html" title="class in org.apache.log">ContextMap</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log/ContextMap.html#getCurrentContext--">getCurrentContext</a></span>()</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Get the Current ContextMap.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>static <a href="../../../org/apache/log/ContextMap.html" title="class in org.apache.log">ContextMap</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log/ContextMap.html#getCurrentContext-boolean-">getCurrentContext</a></span>(boolean&nbsp;autocreate)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Get the Current ContextMap.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log/ContextMap.html#getSize--">getSize</a></span>()</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Get the number of contexts in map.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log/ContextMap.html#isReadOnly--">isReadOnly</a></span>()</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Determine if context is read-only.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log/ContextMap.html#makeReadOnly--">makeReadOnly</a></span>()</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Make the context read-only.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log/ContextMap.html#set-java.lang.String-java.lang.Object-">set</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key,
<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>&nbsp;value)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Set a value in context</div>
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<h3>Methods inherited from class&nbsp;java.lang.<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></h3>
<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>ContextMap</h4>
<pre>public&nbsp;ContextMap()</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Default constructor.</div>
</li>
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<h4>ContextMap</h4>
<pre>public&nbsp;ContextMap(<a href="../../../org/apache/log/ContextMap.html" title="class in org.apache.log">ContextMap</a>&nbsp;parent)</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Constructor that sets parent contextMap.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>parent</code> - the parent ContextMap</dd>
</dl>
</li>
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</li>
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<h4>getCurrentContext</h4>
<pre>public static final&nbsp;<a href="../../../org/apache/log/ContextMap.html" title="class in org.apache.log">ContextMap</a>&nbsp;getCurrentContext()</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Get the Current ContextMap.
This method returns a ContextMap associated with current thread. If the
thread doesn't have a ContextMap associated with it then a new
ContextMap is created.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the current ContextMap</dd>
</dl>
</li>
</ul>
<a name="getCurrentContext-boolean-">
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<h4>getCurrentContext</h4>
<pre>public static final&nbsp;<a href="../../../org/apache/log/ContextMap.html" title="class in org.apache.log">ContextMap</a>&nbsp;getCurrentContext(boolean&nbsp;autocreate)</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Get the Current ContextMap.
This method returns a ContextMap associated with current thread.
If the thread doesn't have a ContextMap associated with it and
autocreate is true then a new ContextMap is created.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>autocreate</code> - true if a ContextMap is to be created if it doesn't exist</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the current ContextMap</dd>
</dl>
</li>
</ul>
<a name="bind-org.apache.log.ContextMap-">
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<h4>bind</h4>
<pre>public static final&nbsp;void&nbsp;bind(<a href="../../../org/apache/log/ContextMap.html" title="class in org.apache.log">ContextMap</a>&nbsp;context)</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Bind a particular ContextMap to current thread.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>context</code> - the context map (may be null)</dd>
</dl>
</li>
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<h4>makeReadOnly</h4>
<pre>public&nbsp;void&nbsp;makeReadOnly()</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Make the context read-only.
This makes it safe to allow untrusted code reference
to ContextMap.</div>
</li>
</ul>
<a name="isReadOnly--">
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<h4>isReadOnly</h4>
<pre>public&nbsp;boolean&nbsp;isReadOnly()</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Determine if context is read-only.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if Context is read only, false otherwise</dd>
</dl>
</li>
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<h4>clear</h4>
<pre>public&nbsp;void&nbsp;clear()</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Empty the context map.</div>
</li>
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<h4>get</h4>
<pre>public&nbsp;<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>&nbsp;get(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key,
<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>&nbsp;defaultObject)</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Get an entry from the context.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>key</code> - the key to map</dd>
<dd><code>defaultObject</code> - a default object to return if key does not exist</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the object in context</dd>
</dl>
</li>
</ul>
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<h4>get</h4>
<pre>public&nbsp;<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>&nbsp;get(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key)</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Get an entry from the context.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>key</code> - the key to map</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the object in context or null if none with specified key</dd>
</dl>
</li>
</ul>
<a name="set-java.lang.String-java.lang.Object-">
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<h4>set</h4>
<pre>public&nbsp;void&nbsp;set(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;key,
<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>&nbsp;value)</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Set a value in context</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>key</code> - the key</dd>
<dd><code>value</code> - the value (may be null)</dd>
</dl>
</li>
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<a name="getSize--">
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<h4>getSize</h4>
<pre>public&nbsp;int&nbsp;getSize()</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">Get the number of contexts in map.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of contexts in map</dd>
</dl>
</li>
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