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<div class="subTitle">org.apache.log4j</div>
<h2 title="Class Hierarchy" class="title">Class Hierarchy</h2>
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<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>org.apache.log4j.Hierarchy</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</a>, <a href="../../../org/apache/log4j/spi/RendererSupport.html" title="interface in org.apache.log4j.spi">RendererSupport</a>, <a href="../../../org/apache/log4j/spi/ThrowableRendererSupport.html" title="interface in org.apache.log4j.spi">ThrowableRendererSupport</a></dd>
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<pre>public class <span class="typeNameLabel">Hierarchy</span>
extends java.lang.Object
implements <a href="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</a>, <a href="../../../org/apache/log4j/spi/RendererSupport.html" title="interface in org.apache.log4j.spi">RendererSupport</a>, <a href="../../../org/apache/log4j/spi/ThrowableRendererSupport.html" title="interface in org.apache.log4j.spi">ThrowableRendererSupport</a></pre>
<div class="block">This class is specialized in retrieving loggers by name and also
   maintaining the logger hierarchy.

   <p><em>The casual user does not have to deal with this class
   directly.</em>

   <p>The structure of the logger hierarchy is maintained by the
   <a href="../../../org/apache/log4j/Hierarchy.html#getLogger-java.lang.String-"><code>getLogger(java.lang.String)</code></a> method. The hierarchy is such that children link
   to their parent but parents do not have any pointers to their
   children. Moreover, loggers can be instantiated in any order, in
   particular descendant before ancestor.

   <p>In case a descendant is created before a particular ancestor,
   then it creates a provision node for the ancestor and adds itself
   to the provision node. Other descendants of the same ancestor add
   themselves to the previously created provision node.</div>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Ceki G&uuml;lc&uuml;</dd>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#Hierarchy-org.apache.log4j.Logger-">Hierarchy</a></span>(<a href="../../../org/apache/log4j/Logger.html" title="class in org.apache.log4j">Logger</a>&nbsp;root)</code>
<div class="block">Create a new logger hierarchy.</div>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
<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>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#addHierarchyEventListener-org.apache.log4j.spi.HierarchyEventListener-">addHierarchyEventListener</a></span>(<a href="../../../org/apache/log4j/spi/HierarchyEventListener.html" title="interface in org.apache.log4j.spi">HierarchyEventListener</a>&nbsp;listener)</code>
<div class="block">Add a <a href="../../../org/apache/log4j/spi/HierarchyEventListener.html" title="interface in org.apache.log4j.spi"><code>HierarchyEventListener</code></a> event to the repository.</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/log4j/Hierarchy.html#addRenderer-java.lang.Class-org.apache.log4j.or.ObjectRenderer-">addRenderer</a></span>(java.lang.Class&nbsp;classToRender,
           <a href="../../../org/apache/log4j/or/ObjectRenderer.html" title="interface in org.apache.log4j.or">ObjectRenderer</a>&nbsp;or)</code>
<div class="block">Add an object renderer for a specific class.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#clear--">clear</a></span>()</code>
<div class="block">This call will clear all logger definitions from the internal
     hashtable.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#emitNoAppenderWarning-org.apache.log4j.Category-">emitNoAppenderWarning</a></span>(<a href="../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a>&nbsp;cat)</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../../../org/apache/log4j/Logger.html" title="class in org.apache.log4j">Logger</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#exists-java.lang.String-">exists</a></span>(java.lang.String&nbsp;name)</code>
<div class="block">Check if the named logger exists in the hierarchy.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#fireAddAppenderEvent-org.apache.log4j.Category-org.apache.log4j.Appender-">fireAddAppenderEvent</a></span>(<a href="../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a>&nbsp;logger,
                    <a href="../../../org/apache/log4j/Appender.html" title="interface in org.apache.log4j">Appender</a>&nbsp;appender)</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>java.util.Enumeration</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#getCurrentCategories--">getCurrentCategories</a></span>()</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
<div class="block"><span class="deprecationComment">Please use <a href="../../../org/apache/log4j/Hierarchy.html#getCurrentLoggers--"><code>getCurrentLoggers()</code></a> instead.</span></div>
</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>java.util.Enumeration</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#getCurrentLoggers--">getCurrentLoggers</a></span>()</code>
<div class="block">Returns all the currently defined categories in this hierarchy as
     an <code>Enumeration</code>.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="../../../org/apache/log4j/Logger.html" title="class in org.apache.log4j">Logger</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#getLogger-java.lang.String-">getLogger</a></span>(java.lang.String&nbsp;name)</code>
<div class="block">Return a new logger instance named as the first parameter using
     the default factory.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code><a href="../../../org/apache/log4j/Logger.html" title="class in org.apache.log4j">Logger</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#getLogger-java.lang.String-org.apache.log4j.spi.LoggerFactory-">getLogger</a></span>(java.lang.String&nbsp;name,
         <a href="../../../org/apache/log4j/spi/LoggerFactory.html" title="interface in org.apache.log4j.spi">LoggerFactory</a>&nbsp;factory)</code>
<div class="block">Return a new logger instance named as the first parameter using
     <code>factory</code>.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code><a href="../../../org/apache/log4j/or/RendererMap.html" title="class in org.apache.log4j.or">RendererMap</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#getRendererMap--">getRendererMap</a></span>()</code>
<div class="block">Get the renderer map for this hierarchy.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="../../../org/apache/log4j/Logger.html" title="class in org.apache.log4j">Logger</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#getRootLogger--">getRootLogger</a></span>()</code>
<div class="block">Get the root of this hierarchy.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code><a href="../../../org/apache/log4j/Level.html" title="class in org.apache.log4j">Level</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#getThreshold--">getThreshold</a></span>()</code>
<div class="block">Returns a <a href="../../../org/apache/log4j/Level.html" title="class in org.apache.log4j"><code>Level</code></a> representation of the <code>enable</code>
     state.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code><a href="../../../org/apache/log4j/spi/ThrowableRenderer.html" title="interface in org.apache.log4j.spi">ThrowableRenderer</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#getThrowableRenderer--">getThrowableRenderer</a></span>()</code>
<div class="block">Get throwable renderer.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#isDisabled-int-">isDisabled</a></span>(int&nbsp;level)</code>
<div class="block">This method will return <code>true</code> if this repository is
     disabled for <code>level</code> object passed as parameter and
     <code>false</code> otherwise.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#overrideAsNeeded-java.lang.String-">overrideAsNeeded</a></span>(java.lang.String&nbsp;override)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
<div class="block"><span class="deprecationComment">Deprecated with no replacement.</span></div>
</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#resetConfiguration--">resetConfiguration</a></span>()</code>
<div class="block">Reset all values contained in this hierarchy instance to their
     default.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#setDisableOverride-java.lang.String-">setDisableOverride</a></span>(java.lang.String&nbsp;override)</code>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;
<div class="block"><span class="deprecationComment">Deprecated with no replacement.</span></div>
</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#setRenderer-java.lang.Class-org.apache.log4j.or.ObjectRenderer-">setRenderer</a></span>(java.lang.Class&nbsp;renderedClass,
           <a href="../../../org/apache/log4j/or/ObjectRenderer.html" title="interface in org.apache.log4j.or">ObjectRenderer</a>&nbsp;renderer)</code>
<div class="block">Used by subclasses to add a renderer to the hierarchy passed as parameter.</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#setThreshold-org.apache.log4j.Level-">setThreshold</a></span>(<a href="../../../org/apache/log4j/Level.html" title="class in org.apache.log4j">Level</a>&nbsp;l)</code>
<div class="block">Enable logging for logging requests with level <code>l</code> or
     higher.</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#setThreshold-java.lang.String-">setThreshold</a></span>(java.lang.String&nbsp;levelStr)</code>
<div class="block">The string form of <a href="../../../org/apache/log4j/Hierarchy.html#setThreshold-org.apache.log4j.Level-"><code>setThreshold(Level)</code></a>.</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#setThrowableRenderer-org.apache.log4j.spi.ThrowableRenderer-">setThrowableRenderer</a></span>(<a href="../../../org/apache/log4j/spi/ThrowableRenderer.html" title="interface in org.apache.log4j.spi">ThrowableRenderer</a>&nbsp;renderer)</code>
<div class="block">Set throwable renderer.</div>
</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../org/apache/log4j/Hierarchy.html#shutdown--">shutdown</a></span>()</code>
<div class="block">Shutting down a hierarchy will <em>safely</em> close and remove
     all appenders in all categories including the root logger.</div>
</td>
</tr>
</table>
<ul class="blockList">
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
</ul>
</li>
</ul>
</li>
</ul>
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<h3>Constructor Detail</h3>
<a name="Hierarchy-org.apache.log4j.Logger-">
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<h4>Hierarchy</h4>
<pre>public&nbsp;Hierarchy(<a href="../../../org/apache/log4j/Logger.html" title="class in org.apache.log4j">Logger</a>&nbsp;root)</pre>
<div class="block">Create a new logger hierarchy.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>root</code> - The root of the new hierarchy.</dd>
</dl>
</li>
</ul>
</li>
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<h4>addRenderer</h4>
<pre>public&nbsp;void&nbsp;addRenderer(java.lang.Class&nbsp;classToRender,
                        <a href="../../../org/apache/log4j/or/ObjectRenderer.html" title="interface in org.apache.log4j.or">ObjectRenderer</a>&nbsp;or)</pre>
<div class="block">Add an object renderer for a specific class.</div>
</li>
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<a name="addHierarchyEventListener-org.apache.log4j.spi.HierarchyEventListener-">
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<h4>addHierarchyEventListener</h4>
<pre>public&nbsp;void&nbsp;addHierarchyEventListener(<a href="../../../org/apache/log4j/spi/HierarchyEventListener.html" title="interface in org.apache.log4j.spi">HierarchyEventListener</a>&nbsp;listener)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../org/apache/log4j/spi/LoggerRepository.html#addHierarchyEventListener-org.apache.log4j.spi.HierarchyEventListener-">LoggerRepository</a></code></span></div>
<div class="block">Add a <a href="../../../org/apache/log4j/spi/HierarchyEventListener.html" title="interface in org.apache.log4j.spi"><code>HierarchyEventListener</code></a> event to the repository.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/log4j/spi/LoggerRepository.html#addHierarchyEventListener-org.apache.log4j.spi.HierarchyEventListener-">addHierarchyEventListener</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</a></code></dd>
</dl>
</li>
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<a name="clear--">
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<h4>clear</h4>
<pre>public&nbsp;void&nbsp;clear()</pre>
<div class="block">This call will clear all logger definitions from the internal
     hashtable. Invoking this method will irrevocably mess up the
     logger hierarchy.

     <p>You should <em>really</em> know what you are doing before
     invoking this method.</div>
<dl>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>0.9.0</dd>
</dl>
</li>
</ul>
<a name="emitNoAppenderWarning-org.apache.log4j.Category-">
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<h4>emitNoAppenderWarning</h4>
<pre>public&nbsp;void&nbsp;emitNoAppenderWarning(<a href="../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a>&nbsp;cat)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/log4j/spi/LoggerRepository.html#emitNoAppenderWarning-org.apache.log4j.Category-">emitNoAppenderWarning</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</a></code></dd>
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<h4>exists</h4>
<pre>public&nbsp;<a href="../../../org/apache/log4j/Logger.html" title="class in org.apache.log4j">Logger</a>&nbsp;exists(java.lang.String&nbsp;name)</pre>
<div class="block">Check if the named logger exists in the hierarchy. If so return
     its reference, otherwise returns <code>null</code>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/log4j/spi/LoggerRepository.html#exists-java.lang.String-">exists</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - The name of the logger to search for.</dd>
</dl>
</li>
</ul>
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<h4>setThreshold</h4>
<pre>public&nbsp;void&nbsp;setThreshold(java.lang.String&nbsp;levelStr)</pre>
<div class="block">The string form of <a href="../../../org/apache/log4j/Hierarchy.html#setThreshold-org.apache.log4j.Level-"><code>setThreshold(Level)</code></a>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/log4j/spi/LoggerRepository.html#setThreshold-java.lang.String-">setThreshold</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</a></code></dd>
</dl>
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<pre>public&nbsp;void&nbsp;setThreshold(<a href="../../../org/apache/log4j/Level.html" title="class in org.apache.log4j">Level</a>&nbsp;l)</pre>
<div class="block">Enable logging for logging requests with level <code>l</code> or
     higher. By default all levels are enabled.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/log4j/spi/LoggerRepository.html#setThreshold-org.apache.log4j.Level-">setThreshold</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>l</code> - The minimum level for which logging requests are sent to
     their appenders.</dd>
</dl>
</li>
</ul>
<a name="fireAddAppenderEvent-org.apache.log4j.Category-org.apache.log4j.Appender-">
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<h4>fireAddAppenderEvent</h4>
<pre>public&nbsp;void&nbsp;fireAddAppenderEvent(<a href="../../../org/apache/log4j/Category.html" title="class in org.apache.log4j">Category</a>&nbsp;logger,
                                 <a href="../../../org/apache/log4j/Appender.html" title="interface in org.apache.log4j">Appender</a>&nbsp;appender)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/log4j/spi/LoggerRepository.html#fireAddAppenderEvent-org.apache.log4j.Category-org.apache.log4j.Appender-">fireAddAppenderEvent</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</a></code></dd>
</dl>
</li>
</ul>
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<h4>getThreshold</h4>
<pre>public&nbsp;<a href="../../../org/apache/log4j/Level.html" title="class in org.apache.log4j">Level</a>&nbsp;getThreshold()</pre>
<div class="block">Returns a <a href="../../../org/apache/log4j/Level.html" title="class in org.apache.log4j"><code>Level</code></a> representation of the <code>enable</code>
     state.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/log4j/spi/LoggerRepository.html#getThreshold--">getThreshold</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</a></code></dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>1.2</dd>
</dl>
</li>
</ul>
<a name="getLogger-java.lang.String-">
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<h4>getLogger</h4>
<pre>public&nbsp;<a href="../../../org/apache/log4j/Logger.html" title="class in org.apache.log4j">Logger</a>&nbsp;getLogger(java.lang.String&nbsp;name)</pre>
<div class="block">Return a new logger instance named as the first parameter using
     the default factory.

     <p>If a logger of that name already exists, then it will be
     returned.  Otherwise, a new logger will be instantiated and
     then linked with its existing ancestors as well as children.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/log4j/spi/LoggerRepository.html#getLogger-java.lang.String-">getLogger</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - The name of the logger to retrieve.</dd>
</dl>
</li>
</ul>
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<h4>getLogger</h4>
<pre>public&nbsp;<a href="../../../org/apache/log4j/Logger.html" title="class in org.apache.log4j">Logger</a>&nbsp;getLogger(java.lang.String&nbsp;name,
                        <a href="../../../org/apache/log4j/spi/LoggerFactory.html" title="interface in org.apache.log4j.spi">LoggerFactory</a>&nbsp;factory)</pre>
<div class="block">Return a new logger instance named as the first parameter using
     <code>factory</code>.

     <p>If a logger of that name already exists, then it will be
     returned.  Otherwise, a new logger will be instantiated by the
     <code>factory</code> parameter and linked with its existing
     ancestors as well as children.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/log4j/spi/LoggerRepository.html#getLogger-java.lang.String-org.apache.log4j.spi.LoggerFactory-">getLogger</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>name</code> - The name of the logger to retrieve.</dd>
<dd><code>factory</code> - The factory that will make the new logger instance.</dd>
</dl>
</li>
</ul>
<a name="getCurrentLoggers--">
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<h4>getCurrentLoggers</h4>
<pre>public&nbsp;java.util.Enumeration&nbsp;getCurrentLoggers()</pre>
<div class="block">Returns all the currently defined categories in this hierarchy as
     an <code>Enumeration</code>.

     <p>The root logger is <em>not</em> included in the returned
     <code>Enumeration</code>.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/log4j/spi/LoggerRepository.html#getCurrentLoggers--">getCurrentLoggers</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</a></code></dd>
</dl>
</li>
</ul>
<a name="getCurrentCategories--">
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<h4>getCurrentCategories</h4>
<pre>public&nbsp;java.util.Enumeration&nbsp;getCurrentCategories()</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">Please use <a href="../../../org/apache/log4j/Hierarchy.html#getCurrentLoggers--"><code>getCurrentLoggers()</code></a> instead.</span></div>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../org/apache/log4j/spi/LoggerRepository.html#getCurrentCategories--">LoggerRepository</a></code></span></div>
<div class="block">Deprecated. Please use <a href="../../../org/apache/log4j/spi/LoggerRepository.html#getCurrentLoggers--"><code>LoggerRepository.getCurrentLoggers()</code></a> instead.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/log4j/spi/LoggerRepository.html#getCurrentCategories--">getCurrentCategories</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</a></code></dd>
</dl>
</li>
</ul>
<a name="getRendererMap--">
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<h4>getRendererMap</h4>
<pre>public&nbsp;<a href="../../../org/apache/log4j/or/RendererMap.html" title="class in org.apache.log4j.or">RendererMap</a>&nbsp;getRendererMap()</pre>
<div class="block">Get the renderer map for this hierarchy.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/log4j/spi/RendererSupport.html#getRendererMap--">getRendererMap</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/log4j/spi/RendererSupport.html" title="interface in org.apache.log4j.spi">RendererSupport</a></code></dd>
</dl>
</li>
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<a name="getRootLogger--">
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<h4>getRootLogger</h4>
<pre>public&nbsp;<a href="../../../org/apache/log4j/Logger.html" title="class in org.apache.log4j">Logger</a>&nbsp;getRootLogger()</pre>
<div class="block">Get the root of this hierarchy.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/log4j/spi/LoggerRepository.html#getRootLogger--">getRootLogger</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</a></code></dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>0.9.0</dd>
</dl>
</li>
</ul>
<a name="isDisabled-int-">
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<h4>isDisabled</h4>
<pre>public&nbsp;boolean&nbsp;isDisabled(int&nbsp;level)</pre>
<div class="block">This method will return <code>true</code> if this repository is
     disabled for <code>level</code> object passed as parameter and
     <code>false</code> otherwise. See also the <a href="../../../org/apache/log4j/Hierarchy.html#setThreshold-org.apache.log4j.Level-"><code>threshold</code></a> emthod.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/log4j/spi/LoggerRepository.html#isDisabled-int-">isDisabled</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</a></code></dd>
</dl>
</li>
</ul>
<a name="overrideAsNeeded-java.lang.String-">
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<h4>overrideAsNeeded</h4>
<pre>public&nbsp;void&nbsp;overrideAsNeeded(java.lang.String&nbsp;override)</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">Deprecated with no replacement.</span></div>
</li>
</ul>
<a name="resetConfiguration--">
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</a>
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<h4>resetConfiguration</h4>
<pre>public&nbsp;void&nbsp;resetConfiguration()</pre>
<div class="block">Reset all values contained in this hierarchy instance to their
     default.  This removes all appenders from all categories, sets
     the level of all non-root categories to <code>null</code>,
     sets their additivity flag to <code>true</code> and sets the level
     of the root logger to <a href="../../../org/apache/log4j/Level.html#DEBUG"><code>DEBUG</code></a>.  Moreover,
     message disabling is set its default "off" value.

     <p>Existing categories are not removed. They are just reset.

     <p>This method should be used sparingly and with care as it will
     block all logging until it is completed.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/log4j/spi/LoggerRepository.html#resetConfiguration--">resetConfiguration</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</a></code></dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>0.8.5</dd>
</dl>
</li>
</ul>
<a name="setDisableOverride-java.lang.String-">
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<h4>setDisableOverride</h4>
<pre>public&nbsp;void&nbsp;setDisableOverride(java.lang.String&nbsp;override)</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;<span class="deprecationComment">Deprecated with no replacement.</span></div>
<div class="block">Does nothing.</div>
</li>
</ul>
<a name="setRenderer-java.lang.Class-org.apache.log4j.or.ObjectRenderer-">
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<h4>setRenderer</h4>
<pre>public&nbsp;void&nbsp;setRenderer(java.lang.Class&nbsp;renderedClass,
                        <a href="../../../org/apache/log4j/or/ObjectRenderer.html" title="interface in org.apache.log4j.or">ObjectRenderer</a>&nbsp;renderer)</pre>
<div class="block">Used by subclasses to add a renderer to the hierarchy passed as parameter.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/log4j/spi/RendererSupport.html#setRenderer-java.lang.Class-org.apache.log4j.or.ObjectRenderer-">setRenderer</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/log4j/spi/RendererSupport.html" title="interface in org.apache.log4j.spi">RendererSupport</a></code></dd>
</dl>
</li>
</ul>
<a name="setThrowableRenderer-org.apache.log4j.spi.ThrowableRenderer-">
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<h4>setThrowableRenderer</h4>
<pre>public&nbsp;void&nbsp;setThrowableRenderer(<a href="../../../org/apache/log4j/spi/ThrowableRenderer.html" title="interface in org.apache.log4j.spi">ThrowableRenderer</a>&nbsp;renderer)</pre>
<div class="block">Set throwable renderer.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/log4j/spi/ThrowableRendererSupport.html#setThrowableRenderer-org.apache.log4j.spi.ThrowableRenderer-">setThrowableRenderer</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/log4j/spi/ThrowableRendererSupport.html" title="interface in org.apache.log4j.spi">ThrowableRendererSupport</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>renderer</code> - renderer, may be null.</dd>
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<h4>getThrowableRenderer</h4>
<pre>public&nbsp;<a href="../../../org/apache/log4j/spi/ThrowableRenderer.html" title="interface in org.apache.log4j.spi">ThrowableRenderer</a>&nbsp;getThrowableRenderer()</pre>
<div class="block">Get throwable renderer.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/log4j/spi/ThrowableRendererSupport.html#getThrowableRenderer--">getThrowableRenderer</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/log4j/spi/ThrowableRendererSupport.html" title="interface in org.apache.log4j.spi">ThrowableRendererSupport</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>throwable renderer, may be null.</dd>
</dl>
</li>
</ul>
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<h4>shutdown</h4>
<pre>public&nbsp;void&nbsp;shutdown()</pre>
<div class="block">Shutting down a hierarchy will <em>safely</em> close and remove
     all appenders in all categories including the root logger.

     <p>Some appenders such as <a href="../../../org/apache/log4j/net/SocketAppender.html" title="class in org.apache.log4j.net"><code>SocketAppender</code></a>
     and <a href="../../../org/apache/log4j/AsyncAppender.html" title="class in org.apache.log4j"><code>AsyncAppender</code></a> need to be closed before the
     application exists. Otherwise, pending logging events might be
     lost.

     <p>The <code>shutdown</code> method is careful to close nested
     appenders before closing regular appenders. This is allows
     configurations where a regular appender is attached to a logger
     and again to a nested appender.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../org/apache/log4j/spi/LoggerRepository.html#shutdown--">shutdown</a></code>&nbsp;in interface&nbsp;<code><a href="../../../org/apache/log4j/spi/LoggerRepository.html" title="interface in org.apache.log4j.spi">LoggerRepository</a></code></dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>1.0</dd>
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