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<div class="subTitle">org.apache.hadoop.hbase.client</div>
<h2 title="Class AsyncConnectionImpl" class="title">Class AsyncConnectionImpl</h2>
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<li>org.apache.hadoop.hbase.client.AsyncConnectionImpl</li>
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<dd><a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true" title="class or interface in java.io">Closeable</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/AutoCloseable.html?is-external=true" title="class or interface in java.lang">AutoCloseable</a>, <a href="../../../../../org/apache/hadoop/hbase/client/AsyncConnection.html" title="interface in org.apache.hadoop.hbase.client">AsyncConnection</a></dd>
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<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../org/apache/hadoop/hbase/client/AsyncClusterConnectionImpl.html" title="class in org.apache.hadoop.hbase.client">AsyncClusterConnectionImpl</a></dd>
</dl>
<hr>
<br>
<pre>@InterfaceAudience.Private
class <a href="../../../../../src-html/org/apache/hadoop/hbase/client/AsyncConnectionImpl.html#line.76">AsyncConnectionImpl</a>
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="../../../../../org/apache/hadoop/hbase/client/AsyncConnection.html" title="interface in org.apache.hadoop.hbase.client">AsyncConnection</a></pre>
<div class="block">The implementation of AsyncConnection.</div>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentMap.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentMap</a>&lt;<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>,org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.AdminService.Interface&gt;</code></td>
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<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/ChoreService.html" title="class in org.apache.hadoop.hbase">ChoreService</a></code></td>
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<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/client/ClusterStatusListener.html" title="class in org.apache.hadoop.hbase.client">ClusterStatusListener</a></code></td>
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<td class="colFirst"><code>private org.apache.hadoop.conf.Configuration</code></td>
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<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/client/ConnectionOverAsyncConnection.html" title="class in org.apache.hadoop.hbase.client">ConnectionOverAsyncConnection</a></code></td>
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<td class="colFirst"><code>private static org.slf4j.Logger</code></td>
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<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/atomic/AtomicReference.html?is-external=true" title="class or interface in java.util.concurrent.atomic">AtomicReference</a>&lt;org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos.MasterService.Interface&gt;</code></td>
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<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/client/NonceGenerator.html" title="interface in org.apache.hadoop.hbase.client">NonceGenerator</a></code></td>
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<td class="colFirst"><code>(package private) <a href="../../../../../org/apache/hadoop/hbase/client/ConnectionRegistry.html" title="interface in org.apache.hadoop.hbase.client">ConnectionRegistry</a></code></td>
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<td class="colFirst"><code>(package private) static org.apache.hbase.thirdparty.io.netty.util.HashedWheelTimer</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/AsyncConnectionImpl.html#RETRY_TIMER">RETRY_TIMER</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected <a href="../../../../../org/apache/hadoop/hbase/ipc/RpcClient.html" title="interface in org.apache.hadoop.hbase.ipc">RpcClient</a></code></td>
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<td class="colFirst"><code>private int</code></td>
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<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ConcurrentMap.html?is-external=true" title="class or interface in java.util.concurrent">ConcurrentMap</a>&lt;<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>,org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.ClientService.Interface&gt;</code></td>
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<td class="colFirst"><code>private <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/client/ServerStatisticTracker.html" title="class in org.apache.hadoop.hbase.client">ServerStatisticTracker</a>&gt;</code></td>
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<td class="colFirst"><code>private <a href="../../../../../org/apache/hadoop/hbase/security/User.html" title="class in org.apache.hadoop.hbase.security">User</a></code></td>
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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/hadoop/hbase/client/AsyncConnectionImpl.html#AsyncConnectionImpl-org.apache.hadoop.conf.Configuration-org.apache.hadoop.hbase.client.ConnectionRegistry-java.lang.String-java.net.SocketAddress-org.apache.hadoop.hbase.security.User-">AsyncConnectionImpl</a></span>(org.apache.hadoop.conf.Configuration&nbsp;conf,
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<a href="https://docs.oracle.com/javase/8/docs/api/java/net/SocketAddress.html?is-external=true" title="class or interface in java.net">SocketAddress</a>&nbsp;localAddress,
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>(package private) void</code></td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/AsyncConnectionImpl.html#clearRegionLocationCache--">clearRegionLocationCache</a></span>()</code>
<div class="block">Clear all the entries in the region location cache, for all the tables.</div>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/AsyncConnectionImpl.html#close--">close</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>private org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.AdminService.Interface</code></td>
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<td class="colFirst"><code>private org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.ClientService.Interface</code></td>
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<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/client/AsyncAdminBuilder.html" title="interface in org.apache.hadoop.hbase.client">AsyncAdminBuilder</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/hbase/client/AsyncConnectionImpl.html#getAdminBuilder--">getAdminBuilder</a></span>()</code>
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<td class="colFirst"><code><a href="../../../../../org/apache/hadoop/hbase/client/AsyncAdminBuilder.html" title="interface in org.apache.hadoop.hbase.client">AsyncAdminBuilder</a></code></td>
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<td class="colFirst"><code>(package private) org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.AdminService.Interface</code></td>
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<td class="colFirst"><code>(package private) <a href="../../../../../org/apache/hadoop/hbase/client/backoff/ClientBackoffPolicy.html" title="interface in org.apache.hadoop.hbase.client.backoff">ClientBackoffPolicy</a></code></td>
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<div class="block">If choreService has not been created yet, create the ChoreService.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>tableName</code> - the name of the table</dd>
<dd><code>pool</code> - the thread pool to use for executing callback</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/hadoop/hbase/client/AsyncAdminBuilder.html" title="interface in org.apache.hadoop.hbase.client">AsyncAdminBuilder</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/client/AsyncConnectionImpl.html#line.362">getAdminBuilder</a>()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/client/AsyncConnection.html#getAdminBuilder--">AsyncConnection</a></code></span></div>
<div class="block">Returns an <a href="../../../../../org/apache/hadoop/hbase/client/AsyncAdminBuilder.html" title="interface in org.apache.hadoop.hbase.client"><code>AsyncAdminBuilder</code></a> for creating <a href="../../../../../org/apache/hadoop/hbase/client/AsyncAdmin.html" title="interface in org.apache.hadoop.hbase.client"><code>AsyncAdmin</code></a>.
<p>
The admin operation's returned <code>CompletableFuture</code> will be finished directly in the rpc
framework's callback thread, so typically you should not do any time consuming work inside
these methods.</div>
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<pre>public&nbsp;<a href="../../../../../org/apache/hadoop/hbase/client/AsyncAdminBuilder.html" title="interface in org.apache.hadoop.hbase.client">AsyncAdminBuilder</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/client/AsyncConnectionImpl.html#line.372">getAdminBuilder</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html?is-external=true" title="class or interface in java.util.concurrent">ExecutorService</a>&nbsp;pool)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/client/AsyncConnection.html#getAdminBuilder-java.util.concurrent.ExecutorService-">AsyncConnection</a></code></span></div>
<div class="block">Returns an <a href="../../../../../org/apache/hadoop/hbase/client/AsyncAdminBuilder.html" title="interface in org.apache.hadoop.hbase.client"><code>AsyncAdminBuilder</code></a> for creating <a href="../../../../../org/apache/hadoop/hbase/client/AsyncAdmin.html" title="interface in org.apache.hadoop.hbase.client"><code>AsyncAdmin</code></a>.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/client/AsyncConnection.html#getAdminBuilder-java.util.concurrent.ExecutorService-">getAdminBuilder</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/client/AsyncConnection.html" title="interface in org.apache.hadoop.hbase.client">AsyncConnection</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>pool</code> - the thread pool to use for executing callback</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/hadoop/hbase/client/AsyncBufferedMutatorBuilder.html" title="interface in org.apache.hadoop.hbase.client">AsyncBufferedMutatorBuilder</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/client/AsyncConnectionImpl.html#line.384">getBufferedMutatorBuilder</a>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/client/AsyncConnection.html#getBufferedMutatorBuilder-org.apache.hadoop.hbase.TableName-">AsyncConnection</a></code></span></div>
<div class="block">Returns an <a href="../../../../../org/apache/hadoop/hbase/client/AsyncBufferedMutatorBuilder.html" title="interface in org.apache.hadoop.hbase.client"><code>AsyncBufferedMutatorBuilder</code></a> for creating <a href="../../../../../org/apache/hadoop/hbase/client/AsyncBufferedMutator.html" title="interface in org.apache.hadoop.hbase.client"><code>AsyncBufferedMutator</code></a>.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/client/AsyncConnection.html#getBufferedMutatorBuilder-org.apache.hadoop.hbase.TableName-">getBufferedMutatorBuilder</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/client/AsyncConnection.html" title="interface in org.apache.hadoop.hbase.client">AsyncConnection</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>tableName</code> - the name of the table</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/hadoop/hbase/client/AsyncBufferedMutatorBuilder.html" title="interface in org.apache.hadoop.hbase.client">AsyncBufferedMutatorBuilder</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/client/AsyncConnectionImpl.html#line.389">getBufferedMutatorBuilder</a>(<a href="../../../../../org/apache/hadoop/hbase/TableName.html" title="class in org.apache.hadoop.hbase">TableName</a>&nbsp;tableName,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html?is-external=true" title="class or interface in java.util.concurrent">ExecutorService</a>&nbsp;pool)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/client/AsyncConnection.html#getBufferedMutatorBuilder-org.apache.hadoop.hbase.TableName-java.util.concurrent.ExecutorService-">AsyncConnection</a></code></span></div>
<div class="block">Returns an <a href="../../../../../org/apache/hadoop/hbase/client/AsyncBufferedMutatorBuilder.html" title="interface in org.apache.hadoop.hbase.client"><code>AsyncBufferedMutatorBuilder</code></a> for creating <a href="../../../../../org/apache/hadoop/hbase/client/AsyncBufferedMutator.html" title="interface in org.apache.hadoop.hbase.client"><code>AsyncBufferedMutator</code></a>.</div>
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<dd><code><a href="../../../../../org/apache/hadoop/hbase/client/AsyncConnection.html#getBufferedMutatorBuilder-org.apache.hadoop.hbase.TableName-java.util.concurrent.ExecutorService-">getBufferedMutatorBuilder</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/client/AsyncConnection.html" title="interface in org.apache.hadoop.hbase.client">AsyncConnection</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>tableName</code> - the name of the table</dd>
<dd><code>pool</code> - the thread pool to use for executing callback</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/hadoop/hbase/client/Connection.html" title="interface in org.apache.hadoop.hbase.client">Connection</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/client/AsyncConnectionImpl.html#line.396">toConnection</a>()</pre>
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<div class="block">Convert this connection to a <a href="../../../../../org/apache/hadoop/hbase/client/Connection.html" title="interface in org.apache.hadoop.hbase.client"><code>Connection</code></a>.
<p/>
Usually we will return the same instance if you call this method multiple times so you can
consider this as a light-weighted operation.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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<pre>private&nbsp;<a href="../../../../../org/apache/hadoop/hbase/client/Hbck.html" title="interface in org.apache.hadoop.hbase.client">Hbck</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/client/AsyncConnectionImpl.html#line.412">getHbckInternal</a>(<a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&nbsp;masterServer)</pre>
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<pre>public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/concurrent/CompletableFuture.html?is-external=true" title="class or interface in java.util.concurrent">CompletableFuture</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/client/Hbck.html" title="interface in org.apache.hadoop.hbase.client">Hbck</a>&gt;&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/client/AsyncConnectionImpl.html#line.422">getHbck</a>()</pre>
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<div class="block">Retrieve an Hbck implementation to fix an HBase cluster. The returned Hbck is not guaranteed to
be thread-safe. A new instance should be created by each thread. This is a lightweight
operation. Pooling or caching of the returned Hbck instance is not recommended.
<p/>
The caller is responsible for calling <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true#close--" title="class or interface in java.io"><code>Closeable.close()</code></a> on the returned Hbck instance.
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This will be used mostly by hbck tool.</div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>an Hbck instance for active master. Active master is fetched from the zookeeper.</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/hadoop/hbase/client/Hbck.html" title="interface in org.apache.hadoop.hbase.client">Hbck</a>&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/client/AsyncConnectionImpl.html#line.437">getHbck</a>(<a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase">ServerName</a>&nbsp;masterServer)</pre>
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<div class="block">Retrieve an Hbck implementation to fix an HBase cluster. The returned Hbck is not guaranteed to
be thread-safe. A new instance should be created by each thread. This is a lightweight
operation. Pooling or caching of the returned Hbck instance is not recommended.
<p/>
The caller is responsible for calling <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Closeable.html?is-external=true#close--" title="class or interface in java.io"><code>Closeable.close()</code></a> on the returned Hbck instance.
<p/>
This will be used mostly by hbck tool. This may only be used to by pass getting registered
master from ZK. In situations where ZK is not available or active master is not registered with
ZK and user can get master address by other means, master can be explicitly specified.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../org/apache/hadoop/hbase/client/AsyncConnection.html#getHbck-org.apache.hadoop.hbase.ServerName-">getHbck</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../org/apache/hadoop/hbase/client/AsyncConnection.html" title="interface in org.apache.hadoop.hbase.client">AsyncConnection</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>masterServer</code> - explicit <a href="../../../../../org/apache/hadoop/hbase/ServerName.html" title="class in org.apache.hadoop.hbase"><code>ServerName</code></a> for master server</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>an Hbck instance for a specified master server</dd>
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<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Optional.html?is-external=true" title="class or interface in java.util">Optional</a>&lt;<a href="../../../../../org/apache/hadoop/hbase/client/MetricsConnection.html" title="class in org.apache.hadoop.hbase.client">MetricsConnection</a>&gt;&nbsp;<a href="../../../../../src-html/org/apache/hadoop/hbase/client/AsyncConnectionImpl.html#line.447">getConnectionMetrics</a>()</pre>
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