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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.kafka.common</a></div>
<h1 title="Interface Reconfigurable" class="title">Interface Reconfigurable</h1>
</div>
<section class="class-description" id="class-description">
<dl class="notes">
<dt>All Superinterfaces:</dt>
<dd><code><a href="Configurable.html" title="interface in org.apache.kafka.common">Configurable</a></code></dd>
</dl>
<dl class="notes">
<dt>All Known Subinterfaces:</dt>
<dd><code><a href="metrics/MetricsReporter.html" title="interface in org.apache.kafka.common.metrics">MetricsReporter</a></code></dd>
</dl>
<dl class="notes">
<dt>All Known Implementing Classes:</dt>
<dd><code><a href="metrics/JmxReporter.html" title="class in org.apache.kafka.common.metrics">JmxReporter</a></code></dd>
</dl>
<hr>
<div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">Reconfigurable</span><span class="extends-implements">
extends <a href="Configurable.html" title="interface in org.apache.kafka.common">Configurable</a></span></div>
<div class="block">Interface for reconfigurable classes that support dynamic configuration.</div>
</section>
<section class="summary">
<ul class="summary-list">
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<section class="method-summary" id="method-summary">
<h2>Method Summary</h2>
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<div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab3" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab3', 3)" class="table-tab">Abstract Methods</button></div>
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<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Method</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#reconfigurableConfigs()" class="member-name-link">reconfigurableConfigs</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Returns the names of configs that may be reconfigured.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#reconfigure(java.util.Map)" class="member-name-link">reconfigure</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr>?&gt;&nbsp;configs)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Reconfigures this instance with the given key-value pairs.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#validateReconfiguration(java.util.Map)" class="member-name-link">validateReconfiguration</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr>?&gt;&nbsp;configs)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Validates the provided configuration.</div>
</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-org.apache.kafka.common.Configurable">Methods inherited from interface&nbsp;org.apache.kafka.common.<a href="Configurable.html" title="interface in org.apache.kafka.common">Configurable</a></h3>
<code><a href="Configurable.html#configure(java.util.Map)">configure</a></code></div>
</section>
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</section>
<section class="details">
<ul class="details-list">
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<section class="method-details" id="method-detail">
<h2>Method Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="reconfigurableConfigs()">
<h3>reconfigurableConfigs</h3>
<div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>&gt;</span>&nbsp;<span class="element-name">reconfigurableConfigs</span>()</div>
<div class="block">Returns the names of configs that may be reconfigured.</div>
</section>
</li>
<li>
<section class="detail" id="validateReconfiguration(java.util.Map)">
<h3>validateReconfiguration</h3>
<div class="member-signature"><span class="return-type">void</span>&nbsp;<span class="element-name">validateReconfiguration</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr>?&gt;&nbsp;configs)</span>
throws <span class="exceptions"><a href="config/ConfigException.html" title="class in org.apache.kafka.common.config">ConfigException</a></span></div>
<div class="block">Validates the provided configuration. The provided map contains
all configs including any reconfigurable configs that may be different
from the initial configuration. Reconfiguration will be not performed
if this method throws any exception.</div>
<dl class="notes">
<dt>Throws:</dt>
<dd><code><a href="config/ConfigException.html" title="class in org.apache.kafka.common.config">ConfigException</a></code> - if the provided configs are not valid. The exception
message from ConfigException will be returned to the client in
the AlterConfigs response.</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="reconfigure(java.util.Map)">
<h3>reconfigure</h3>
<div class="member-signature"><span class="return-type">void</span>&nbsp;<span class="element-name">reconfigure</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a>&lt;<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr>?&gt;&nbsp;configs)</span></div>
<div class="block">Reconfigures this instance with the given key-value pairs. The provided
map contains all configs including any reconfigurable configs that
may have changed since the object was initially configured using
<a href="Configurable.html#configure(java.util.Map)"><code>Configurable.configure(Map)</code></a>. This method will only be invoked if
the configs have passed validation using <a href="#validateReconfiguration(java.util.Map)"><code>validateReconfiguration(Map)</code></a>.</div>
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