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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.client.locking</a></div>
<h1 title="Class LockServiceClient" class="title">Class LockServiceClient</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.client.locking.LockServiceClient</div>
</div>
<section class="class-description" id="class-description">
<hr>
<div class="type-signature"><span class="annotations">@LimitedPrivate("Tools")
@Evolving
</span><span class="modifiers">public class </span><span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/client/locking/LockServiceClient.html#line-42">LockServiceClient</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></span></div>
<div class="block">Helper class to create "master locks" for namespaces, tables and regions. DEV-NOTE: At the moment
this class is used only by the RS for MOB, to prevent other MOB compaction to conflict. The RS
has already the stub of the LockService, so we have only one constructor that takes the
LockService stub. If in the future we are going to use this in other places we should add a
constructor that from conf or connection, creates the stub.</div>
</section>
<section class="summary">
<ul class="summary-list">
<!-- =========== FIELD SUMMARY =========== -->
<li>
<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 org.apache.hadoop.conf.Configuration</code></div>
<div class="col-second even-row-color"><code><a href="#conf" class="member-name-link">conf</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
<div class="col-first odd-row-color"><code>private final <a href="../NonceGenerator.html" title="interface in org.apache.hadoop.hbase.client">NonceGenerator</a></code></div>
<div class="col-second odd-row-color"><code><a href="#ng" class="member-name-link">ng</a></code></div>
<div class="col-last odd-row-color">&nbsp;</div>
<div class="col-first even-row-color"><code>private final org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos.LockService.BlockingInterface</code></div>
<div class="col-second even-row-color"><code><a href="#stub" class="member-name-link">stub</a></code></div>
<div class="col-last even-row-color">&nbsp;</div>
</div>
</section>
</li>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<li>
<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.conf.Configuration,org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos.LockService.BlockingInterface,org.apache.hadoop.hbase.client.NonceGenerator)" class="member-name-link">LockServiceClient</a><wbr>(org.apache.hadoop.conf.Configuration&nbsp;conf,
org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos.LockService.BlockingInterface&nbsp;stub,
<a href="../NonceGenerator.html" title="interface in org.apache.hadoop.hbase.client">NonceGenerator</a>&nbsp;ng)</code></div>
<div class="col-last even-row-color">&nbsp;</div>
</div>
</section>
</li>
<!-- ========== METHOD SUMMARY =========== -->
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<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-tab1" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab1', 3)" class="table-tab">Static 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-tab4" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab4', 3)" class="table-tab">Concrete Methods</button></div>
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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-tab1 method-summary-table-tab4"><code>static org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos.LockRequest</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#buildLockRequest(org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos.LockType,java.lang.String,org.apache.hadoop.hbase.TableName,java.util.List,java.lang.String,long,long)" class="member-name-link">buildLockRequest</a><wbr>(org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos.LockType&nbsp;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>&nbsp;namespace,
<a href="../../TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&gt;&nbsp;regionInfos,
<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>&nbsp;description,
long&nbsp;nonceGroup,
long&nbsp;nonce)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab1 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="EntityLock.html" title="class in org.apache.hadoop.hbase.client.locking">EntityLock</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#namespaceLock(java.lang.String,java.lang.String,org.apache.hadoop.hbase.Abortable)" class="member-name-link">namespaceLock</a><wbr>(<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>&nbsp;namespace,
<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>&nbsp;description,
<a href="../../Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a>&nbsp;abort)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">LocCreate a new EntityLock object to acquire exclusive lock on a namespace.</div>
</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="EntityLock.html" title="class in org.apache.hadoop.hbase.client.locking">EntityLock</a></code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#regionLock(java.util.List,java.lang.String,org.apache.hadoop.hbase.Abortable)" class="member-name-link">regionLock</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&gt;&nbsp;regionInfos,
<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>&nbsp;description,
<a href="../../Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a>&nbsp;abort)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Create a new EntityLock object to acquire exclusive lock on multiple regions of same tables.</div>
</div>
<div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="EntityLock.html" title="class in org.apache.hadoop.hbase.client.locking">EntityLock</a></code></div>
<div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#tableLock(org.apache.hadoop.hbase.TableName,boolean,java.lang.String,org.apache.hadoop.hbase.Abortable)" class="member-name-link">tableLock</a><wbr>(<a href="../../TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName,
boolean&nbsp;exclusive,
<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>&nbsp;description,
<a href="../../Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a>&nbsp;abort)</code></div>
<div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4">
<div class="block">Create a new EntityLock object to acquire an exclusive or shared lock on a table.</div>
</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#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</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#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</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#toString()" title="class or interface in java.lang" class="external-link">toString</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="stub">
<h3>stub</h3>
<div class="member-signature"><span class="modifiers">private final</span>&nbsp;<span class="return-type">org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos.LockService.BlockingInterface</span>&nbsp;<span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/client/locking/LockServiceClient.html#line-45">stub</a></span></div>
</section>
</li>
<li>
<section class="detail" id="conf">
<h3>conf</h3>
<div class="member-signature"><span class="modifiers">private final</span>&nbsp;<span class="return-type">org.apache.hadoop.conf.Configuration</span>&nbsp;<span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/client/locking/LockServiceClient.html#line-46">conf</a></span></div>
</section>
</li>
<li>
<section class="detail" id="ng">
<h3>ng</h3>
<div class="member-signature"><span class="modifiers">private final</span>&nbsp;<span class="return-type"><a href="../NonceGenerator.html" title="interface in org.apache.hadoop.hbase.client">NonceGenerator</a></span>&nbsp;<span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/client/locking/LockServiceClient.html#line-47">ng</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.conf.Configuration,org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos.LockService.BlockingInterface,org.apache.hadoop.hbase.client.NonceGenerator)">
<h3>LockServiceClient</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/client/locking/LockServiceClient.html#line-49">LockServiceClient</a></span><wbr><span class="parameters">(org.apache.hadoop.conf.Configuration&nbsp;conf,
org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos.LockService.BlockingInterface&nbsp;stub,
<a href="../NonceGenerator.html" title="interface in org.apache.hadoop.hbase.client">NonceGenerator</a>&nbsp;ng)</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="tableLock(org.apache.hadoop.hbase.TableName,boolean,java.lang.String,org.apache.hadoop.hbase.Abortable)">
<h3>tableLock</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="EntityLock.html" title="class in org.apache.hadoop.hbase.client.locking">EntityLock</a></span>&nbsp;<span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/client/locking/LockServiceClient.html#line-60">tableLock</a></span><wbr><span class="parameters">(<a href="../../TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName,
boolean&nbsp;exclusive,
<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>&nbsp;description,
<a href="../../Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a>&nbsp;abort)</span></div>
<div class="block">Create a new EntityLock object to acquire an exclusive or shared lock on a table. Internally,
the table namespace will also be locked in shared mode.</div>
</section>
</li>
<li>
<section class="detail" id="namespaceLock(java.lang.String,java.lang.String,org.apache.hadoop.hbase.Abortable)">
<h3>namespaceLock</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="EntityLock.html" title="class in org.apache.hadoop.hbase.client.locking">EntityLock</a></span>&nbsp;<span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/client/locking/LockServiceClient.html#line-71">namespaceLock</a></span><wbr><span class="parameters">(<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>&nbsp;namespace,
<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>&nbsp;description,
<a href="../../Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a>&nbsp;abort)</span></div>
<div class="block">LocCreate a new EntityLock object to acquire exclusive lock on a namespace. Clients can not
acquire shared locks on namespace.</div>
</section>
</li>
<li>
<section class="detail" id="regionLock(java.util.List,java.lang.String,org.apache.hadoop.hbase.Abortable)">
<h3>regionLock</h3>
<div class="member-signature"><span class="modifiers">public</span>&nbsp;<span class="return-type"><a href="EntityLock.html" title="class in org.apache.hadoop.hbase.client.locking">EntityLock</a></span>&nbsp;<span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/client/locking/LockServiceClient.html#line-81">regionLock</a></span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&gt;&nbsp;regionInfos,
<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>&nbsp;description,
<a href="../../Abortable.html" title="interface in org.apache.hadoop.hbase">Abortable</a>&nbsp;abort)</span></div>
<div class="block">Create a new EntityLock object to acquire exclusive lock on multiple regions of same tables.
Internally, the table and its namespace will also be locked in shared mode.</div>
</section>
</li>
<li>
<section class="detail" id="buildLockRequest(org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos.LockType,java.lang.String,org.apache.hadoop.hbase.TableName,java.util.List,java.lang.String,long,long)">
<h3>buildLockRequest</h3>
<div class="member-signature"><span class="annotations">@Private
</span><span class="modifiers">public static</span>&nbsp;<span class="return-type">org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos.LockRequest</span>&nbsp;<span class="element-name"><a href="../../../../../../src-html/org/apache/hadoop/hbase/client/locking/LockServiceClient.html#line-87">buildLockRequest</a></span><wbr><span class="parameters">(org.apache.hadoop.hbase.shaded.protobuf.generated.LockServiceProtos.LockType&nbsp;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>&nbsp;namespace,
<a href="../../TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName,
<a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a>&lt;<a href="../RegionInfo.html" title="interface in org.apache.hadoop.hbase.client">RegionInfo</a>&gt;&nbsp;regionInfos,
<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>&nbsp;description,
long&nbsp;nonceGroup,
long&nbsp;nonce)</span></div>
</section>
</li>
</ul>
</section>
</li>
</ul>
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