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<div class="subTitle">org.apache.hadoop.yarn.api.protocolrecords</div>
<h2 title="Class RegisterApplicationMasterRequest" class="title">Class RegisterApplicationMasterRequest</h2>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Stable
public abstract class <span class="typeNameLabel">RegisterApplicationMasterRequest</span>
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></pre>
<div class="block">The request sent by the <code>ApplicationMaster</code> to <code>ResourceManager</code>
on registration.
<p>
The registration includes details such as:
<ul>
<li>Hostname on which the AM is running.</li>
<li>RPC Port</li>
<li>Tracking URL</li>
</ul></div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../../../org/apache/hadoop/yarn/api/ApplicationMasterProtocol.html#registerApplicationMaster-org.apache.hadoop.yarn.api.protocolrecords.RegisterApplicationMasterRequest-"><code>ApplicationMasterProtocol.registerApplicationMaster(RegisterApplicationMasterRequest)</code></a></dd>
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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/protocolrecords/RegisterApplicationMasterRequest.html#RegisterApplicationMasterRequest--">RegisterApplicationMasterRequest</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>abstract <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/protocolrecords/RegisterApplicationMasterRequest.html#getHost--">getHost</a></span>()</code>
<div class="block">Get the <em>host</em> on which the <code>ApplicationMaster</code> is
running.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</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>&gt;,<a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/protocolrecords/RegisterApplicationMasterRequest.html#getPlacementConstraints--">getPlacementConstraints</a></span>()</code>
<div class="block">Return all Placement Constraints specified at the Application level.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>abstract int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/protocolrecords/RegisterApplicationMasterRequest.html#getRpcPort--">getRpcPort</a></span>()</code>
<div class="block">Get the <em>RPC port</em> on which the <code>ApplicationMaster</code> is
responding.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>abstract <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></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/protocolrecords/RegisterApplicationMasterRequest.html#getTrackingUrl--">getTrackingUrl</a></span>()</code>
<div class="block">Get the <em>tracking URL</em> for the <code>ApplicationMaster</code>.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>static <a href="../../../../../../org/apache/hadoop/yarn/api/protocolrecords/RegisterApplicationMasterRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">RegisterApplicationMasterRequest</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/protocolrecords/RegisterApplicationMasterRequest.html#newInstance-java.lang.String-int-java.lang.String-">newInstance</a></span>(<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>&nbsp;host,
int&nbsp;port,
<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>&nbsp;trackingUrl)</code>
<div class="block">Create a new instance of <code>RegisterApplicationMasterRequest</code>.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/protocolrecords/RegisterApplicationMasterRequest.html#setHost-java.lang.String-">setHost</a></span>(<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>&nbsp;host)</code>
<div class="block">Set the <em>host</em> on which the <code>ApplicationMaster</code> is
running.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/protocolrecords/RegisterApplicationMasterRequest.html#setPlacementConstraints-java.util.Map-">setPlacementConstraints</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</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>&gt;,<a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint</a>&gt;&nbsp;placementConstraints)</code>
<div class="block">Set Placement Constraints applicable to the
<a href="../../../../../../org/apache/hadoop/yarn/api/records/SchedulingRequest.html" title="class in org.apache.hadoop.yarn.api.records"><code>SchedulingRequest</code></a>s
of this application.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/protocolrecords/RegisterApplicationMasterRequest.html#setRpcPort-int-">setRpcPort</a></span>(int&nbsp;port)</code>
<div class="block">Set the <em>RPC port</em> on which the <code>ApplicationMaster</code> is
responding.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>abstract void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/api/protocolrecords/RegisterApplicationMasterRequest.html#setTrackingUrl-java.lang.String-">setTrackingUrl</a></span>(<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>&nbsp;trackingUrl)</code>
<div class="block">Set the <em>tracking URL</em>for the <code>ApplicationMaster</code> while
it is running.</div>
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<h4>RegisterApplicationMasterRequest</h4>
<pre>public&nbsp;RegisterApplicationMasterRequest()</pre>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Stable
public static&nbsp;<a href="../../../../../../org/apache/hadoop/yarn/api/protocolrecords/RegisterApplicationMasterRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">RegisterApplicationMasterRequest</a>&nbsp;newInstance(<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>&nbsp;host,
int&nbsp;port,
<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>&nbsp;trackingUrl)</pre>
<div class="block">Create a new instance of <code>RegisterApplicationMasterRequest</code>.
If <em>port, trackingUrl</em> is not used, use the following default value:
<ul>
<li>port: -1</li>
<li>trackingUrl: null</li>
</ul>
The port is allowed to be any integer larger than or equal to -1.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the new instance of <code>RegisterApplicationMasterRequest</code></dd>
</dl>
</li>
</ul>
<a name="getHost--">
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<h4>getHost</h4>
<pre>@InterfaceAudience.Public
@InterfaceStability.Stable
public abstract&nbsp;<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>&nbsp;getHost()</pre>
<div class="block">Get the <em>host</em> on which the <code>ApplicationMaster</code> is
running.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><em>host</em> on which the <code>ApplicationMaster</code> is running</dd>
</dl>
</li>
</ul>
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<h4>setHost</h4>
<pre>@InterfaceAudience.Public
@InterfaceStability.Stable
public abstract&nbsp;void&nbsp;setHost(<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>&nbsp;host)</pre>
<div class="block">Set the <em>host</em> on which the <code>ApplicationMaster</code> is
running.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>host</code> - <em>host</em> on which the <code>ApplicationMaster</code>
is running</dd>
</dl>
</li>
</ul>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Stable
public abstract&nbsp;int&nbsp;getRpcPort()</pre>
<div class="block">Get the <em>RPC port</em> on which the <code>ApplicationMaster</code> is
responding.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the <em>RPC port</em> on which the <code>ApplicationMaster</code>
is responding</dd>
</dl>
</li>
</ul>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Stable
public abstract&nbsp;void&nbsp;setRpcPort(int&nbsp;port)</pre>
<div class="block">Set the <em>RPC port</em> on which the <code>ApplicationMaster</code> is
responding.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>port</code> - <em>RPC port</em> on which the <code>ApplicationMaster</code>
is responding</dd>
</dl>
</li>
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<h4>getTrackingUrl</h4>
<pre>@InterfaceAudience.Public
@InterfaceStability.Stable
public abstract&nbsp;<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>&nbsp;getTrackingUrl()</pre>
<div class="block">Get the <em>tracking URL</em> for the <code>ApplicationMaster</code>.
This url if contains scheme then that will be used by resource manager
web application proxy otherwise it will default to http.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><em>tracking URL</em> for the <code>ApplicationMaster</code></dd>
</dl>
</li>
</ul>
<a name="setTrackingUrl-java.lang.String-">
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<h4>setTrackingUrl</h4>
<pre>@InterfaceAudience.Public
@InterfaceStability.Stable
public abstract&nbsp;void&nbsp;setTrackingUrl(<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>&nbsp;trackingUrl)</pre>
<div class="block">Set the <em>tracking URL</em>for the <code>ApplicationMaster</code> while
it is running. This is the web-URL to which ResourceManager or
web-application proxy will redirect client/users while the application and
the <code>ApplicationMaster</code> are still running.
<p>
If the passed url has a scheme then that will be used by the
ResourceManager and web-application proxy, otherwise the scheme will
default to http.
</p>
<p>
Empty, null, "N/A" strings are all valid besides a real URL. In case an url
isn't explicitly passed, it defaults to "N/A" on the ResourceManager.
<p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>trackingUrl</code> - <em>tracking URL</em>for the <code>ApplicationMaster</code></dd>
</dl>
</li>
</ul>
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<h4>getPlacementConstraints</h4>
<pre>@InterfaceAudience.Public
@InterfaceStability.Unstable
public&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</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>&gt;,<a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint</a>&gt;&nbsp;getPlacementConstraints()</pre>
<div class="block">Return all Placement Constraints specified at the Application level. The
mapping is from a set of allocation tags to a
<code>PlacementConstraint</code> associated with the tags, i.e., each
<a href="../../../../../../org/apache/hadoop/yarn/api/records/SchedulingRequest.html" title="class in org.apache.hadoop.yarn.api.records"><code>SchedulingRequest</code></a> that has those
tags will be placed taking into account the corresponding constraint.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>A map of Placement Constraints.</dd>
</dl>
</li>
</ul>
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<h4>setPlacementConstraints</h4>
<pre>@InterfaceAudience.Public
@InterfaceStability.Unstable
public&nbsp;void&nbsp;setPlacementConstraints(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a>&lt;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</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>&gt;,<a href="../../../../../../org/apache/hadoop/yarn/api/resource/PlacementConstraint.html" title="class in org.apache.hadoop.yarn.api.resource">PlacementConstraint</a>&gt;&nbsp;placementConstraints)</pre>
<div class="block">Set Placement Constraints applicable to the
<a href="../../../../../../org/apache/hadoop/yarn/api/records/SchedulingRequest.html" title="class in org.apache.hadoop.yarn.api.records"><code>SchedulingRequest</code></a>s
of this application.
The mapping is from a set of allocation tags to a
<code>PlacementConstraint</code> associated with the tags.
For example:
Map &lt;
&lt;hb_regionserver&gt; -&gt; node_anti_affinity,
&lt;hb_regionserver, hb_master&gt; -&gt; rack_affinity,
...
&gt;</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>placementConstraints</code> - Placement Constraint Mapping.</dd>
</dl>
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