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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.hadoop.hbase</a></div>
<h1 title="Class HRegionLocation" class="title">Class HRegionLocation</h1>
</div>
<div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a>
<div class="inheritance">org.apache.hadoop.hbase.HRegionLocation</div>
</div>
<section class="class-description" id="class-description">
<dl class="notes">
<dt>All Implemented Interfaces:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Comparable.html" title="class or interface in java.lang" class="external-link">Comparable</a>&lt;<a href="HRegionLocation.html" title="class in org.apache.hadoop.hbase">HRegionLocation</a>&gt;</code></dd>
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<div class="type-signature"><span class="annotations">@Public
</span><span class="modifiers">public class </span><span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/HRegionLocation.html#line-33">HRegionLocation</a></span>
<span class="extends-implements">extends <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>
implements <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Comparable.html" title="class or interface in java.lang" class="external-link">Comparable</a>&lt;<a href="HRegionLocation.html" title="class in org.apache.hadoop.hbase">HRegionLocation</a>&gt;</span></div>
<div class="block">Data structure to hold RegionInfo and the address for the hosting HRegionServer. Immutable.
Comparable, but we compare the 'location' only: i.e. the hostname and port, and *not* the
regioninfo. This means two instances are the same if they refer to the same 'location' (the same
hostname and port), though they may be carrying different regions. On a big cluster, each client
will have thousands of instances of this object, often 100 000 of them if not million. It's
important to keep the object size as small as possible. <br>
This interface has been marked InterfaceAudience.Public in 0.96 and 0.98.</div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- =========== FIELD SUMMARY =========== -->
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<section class="field-summary" id="field-summary">
<h2>Field Summary</h2>
<div class="caption"><span>Fields</span></div>
<div class="summary-table three-column-summary">
<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Field</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color"><code>private final <a href="client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a></code></div>
<div class="col-second even-row-color"><code><a href="#regionInfo" class="member-name-link">regionInfo</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><code>private final long</code></div>
<div class="col-second odd-row-color"><code><a href="#seqNum" class="member-name-link">seqNum</a></code></div>
<div class="col-last odd-row-color">&nbsp;</div>
<div class="col-first even-row-color"><code>private final <a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></code></div>
<div class="col-second even-row-color"><code><a href="#serverName" class="member-name-link">serverName</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
</div>
</section>
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<section class="constructor-summary" id="constructor-summary">
<h2>Constructor Summary</h2>
<div class="caption"><span>Constructors</span></div>
<div class="summary-table two-column-summary">
<div class="table-header col-first">Constructor</div>
<div class="table-header col-last">Description</div>
<div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(org.apache.hadoop.hbase.client.RegionInfo,org.apache.hadoop.hbase.ServerName)" class="member-name-link">HRegionLocation</a><wbr>(<a href="client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;regionInfo,
<a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&nbsp;serverName)</code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-constructor-name odd-row-color"><code><a href="#%3Cinit%3E(org.apache.hadoop.hbase.client.RegionInfo,org.apache.hadoop.hbase.ServerName,long)" class="member-name-link">HRegionLocation</a><wbr>(<a href="client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;regionInfo,
<a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&nbsp;serverName,
long&nbsp;seqNum)</code></div>
<div class="col-last odd-row-color">&nbsp;</div>
</div>
</section>
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<h2>Method Summary</h2>
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<div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0">
<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-tab4"><code>int</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#compareTo(org.apache.hadoop.hbase.HRegionLocation)" class="member-name-link">compareTo</a><wbr>(<a href="HRegionLocation.html" title="class in org.apache.hadoop.hbase">HRegionLocation</a>&nbsp;o)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#equals(java.lang.Object)" class="member-name-link">equals</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;o)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><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></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getHostname()" class="member-name-link">getHostname</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><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></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getHostnamePort()" class="member-name-link">getHostnamePort</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns String made of hostname and port formatted as per
<a href="util/Addressing.html#createHostAndPortStr(java.lang.String,int)"><code>Addressing.createHostAndPortStr(String, int)</code></a></div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>int</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getPort()" class="member-name-link">getPort</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getRegion()" class="member-name-link">getRegion</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Returns regionInfo</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>long</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getSeqNum()" class="member-name-link">getSeqNum</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#getServerName()" class="member-name-link">getServerName</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>int</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#hashCode()" class="member-name-link">hashCode</a>()</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><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></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#toString()" class="member-name-link">toString</a>()</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">&nbsp;</div>
</div>
</div>
</div>
<div class="inherited-list">
<h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3>
<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></div>
</section>
</li>
</ul>
</section>
<section class="details">
<ul class="details-list">
<!-- ============ FIELD DETAIL =========== -->
<li>
<section class="field-details" id="field-detail">
<h2>Field Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="regionInfo">
<h3>regionInfo</h3>
<div class="member-signature"><span class="modifiers">private final</span>&nbsp;<span class="return-type"><a href="client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/HRegionLocation.html#line-35">regionInfo</a></span></div>
</section>
</li>
<li>
<section class="detail" id="serverName">
<h3>serverName</h3>
<div class="member-signature"><span class="modifiers">private final</span>&nbsp;<span class="return-type"><a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/HRegionLocation.html#line-36">serverName</a></span></div>
</section>
</li>
<li>
<section class="detail" id="seqNum">
<h3>seqNum</h3>
<div class="member-signature"><span class="modifiers">private final</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/HRegionLocation.html#line-37">seqNum</a></span></div>
</section>
</li>
</ul>
</section>
</li>
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<li>
<section class="constructor-details" id="constructor-detail">
<h2>Constructor Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="&lt;init&gt;(org.apache.hadoop.hbase.client.RegionInfo,org.apache.hadoop.hbase.ServerName)">
<h3>HRegionLocation</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/HRegionLocation.html#line-39">HRegionLocation</a></span><wbr><span class="parameters">(<a href="client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;regionInfo,
<a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&nbsp;serverName)</span></div>
</section>
</li>
<li>
<section class="detail" id="&lt;init&gt;(org.apache.hadoop.hbase.client.RegionInfo,org.apache.hadoop.hbase.ServerName,long)">
<h3>HRegionLocation</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/HRegionLocation.html#line-43">HRegionLocation</a></span><wbr><span class="parameters">(<a href="client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&nbsp;regionInfo,
<a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&nbsp;serverName,
long&nbsp;seqNum)</span></div>
</section>
</li>
</ul>
</section>
</li>
<!-- ============ METHOD DETAIL ========== -->
<li>
<section class="method-details" id="method-detail">
<h2>Method Details</h2>
<ul class="member-list">
<li>
<section class="detail" id="toString()">
<h3>toString</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><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></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/HRegionLocation.html#line-52">toString</a></span>()</div>
<dl class="notes">
<dt>Overrides:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></code></dd>
<dt>See Also:</dt>
<dd>
<ul class="see-list">
<li><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link"><code>Object.toString()</code></a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="equals(java.lang.Object)">
<h3>equals</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">boolean</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/HRegionLocation.html#line-61">equals</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>&nbsp;o)</span></div>
<dl class="notes">
<dt>Overrides:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></code></dd>
<dt>See Also:</dt>
<dd>
<ul class="see-list-long">
<li><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link"><code>Object.equals(java.lang.Object)</code></a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="hashCode()">
<h3>hashCode</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/HRegionLocation.html#line-78">hashCode</a></span>()</div>
<dl class="notes">
<dt>Overrides:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a></code>&nbsp;in class&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></code></dd>
<dt>See Also:</dt>
<dd>
<ul class="see-list">
<li><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link"><code>Object.hashCode()</code></a></li>
</ul>
</dd>
</dl>
</section>
</li>
<li>
<section class="detail" id="getRegion()">
<h3>getRegion</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="client/RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/HRegionLocation.html#line-84">getRegion</a></span>()</div>
<div class="block">Returns regionInfo</div>
</section>
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<li>
<section class="detail" id="getHostname()">
<h3>getHostname</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><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></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/HRegionLocation.html#line-88">getHostname</a></span>()</div>
</section>
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<section class="detail" id="getPort()">
<h3>getPort</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/HRegionLocation.html#line-92">getPort</a></span>()</div>
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<section class="detail" id="getSeqNum()">
<h3>getSeqNum</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">long</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/HRegionLocation.html#line-96">getSeqNum</a></span>()</div>
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<li>
<section class="detail" id="getHostnamePort()">
<h3>getHostnamePort</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><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></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/HRegionLocation.html#line-104">getHostnamePort</a></span>()</div>
<div class="block">Returns String made of hostname and port formatted as per
<a href="util/Addressing.html#createHostAndPortStr(java.lang.String,int)"><code>Addressing.createHostAndPortStr(String, int)</code></a></div>
</section>
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<section class="detail" id="getServerName()">
<h3>getServerName</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a></span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/HRegionLocation.html#line-108">getServerName</a></span>()</div>
</section>
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<li>
<section class="detail" id="compareTo(org.apache.hadoop.hbase.HRegionLocation)">
<h3>compareTo</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type">int</span>&nbsp;<span class="element-name"><a href="../../../../src-html/org/apache/hadoop/hbase/HRegionLocation.html#line-112">compareTo</a></span><wbr><span class="parameters">(<a href="HRegionLocation.html" title="class in org.apache.hadoop.hbase">HRegionLocation</a>&nbsp;o)</span></div>
<dl class="notes">
<dt>Specified by:</dt>
<dd><code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Comparable.html#compareTo(T)" title="class or interface in java.lang" class="external-link">compareTo</a></code>&nbsp;in interface&nbsp;<code><a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/lang/Comparable.html" title="class or interface in java.lang" class="external-link">Comparable</a>&lt;<a href="HRegionLocation.html" title="class in org.apache.hadoop.hbase">HRegionLocation</a>&gt;</code></dd>
</dl>
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</ul>
</section>
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