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apache / hadoop-site / 952d547359cafef280f0a0324055741b2ed55be1 / . / content / docs / r3.3.1 / hadoop-yarn / hadoop-yarn-server / hadoop-yarn-server-common / apidocs / org / apache / hadoop / yarn / server / webapp / AppInfoProvider.html
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<div class="subTitle">org.apache.hadoop.yarn.server.webapp</div>
<h2 title="Interface AppInfoProvider" class="title">Interface AppInfoProvider</h2>
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<dd><a href="../../../../../../org/apache/hadoop/yarn/server/webapp/LogWebService.html" title="class in org.apache.hadoop.yarn.server.webapp">LogWebService</a>, <a href="../../../../../../org/apache/hadoop/yarn/server/webapp/WebServices.html" title="class in org.apache.hadoop.yarn.server.webapp">WebServices</a></dd>
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<pre>@InterfaceAudience.LimitedPrivate(value="YARN")
@InterfaceStability.Unstable
public interface <span class="typeNameLabel">AppInfoProvider</span></pre>
<div class="block">Classes implementing this interface are used in the <a href="../../../../../../org/apache/hadoop/yarn/server/webapp/LogServlet.html" title="class in org.apache.hadoop.yarn.server.webapp"><code>LogServlet</code></a>
for providing various application related information.</div>
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<td class="colFirst"><code>org.apache.hadoop.yarn.server.webapp.BasicAppInfo</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/server/webapp/AppInfoProvider.html#getApp-javax.servlet.http.HttpServletRequest-java.lang.String-java.lang.String-">getApp</a></span>(javax.servlet.http.HttpServletRequest&nbsp;req,
<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;appId,
<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;clusterId)</code>
<div class="block">Returns <code>BasicAppInfo</code> object that wraps the collected information
about the application.</div>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code><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/server/webapp/AppInfoProvider.html#getNodeHttpAddress-javax.servlet.http.HttpServletRequest-java.lang.String-java.lang.String-java.lang.String-java.lang.String-">getNodeHttpAddress</a></span>(javax.servlet.http.HttpServletRequest&nbsp;req,
<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;appId,
<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;appAttemptId,
<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;containerId,
<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;clusterId)</code>
<div class="block">Returns the node HTTP address.</div>
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<h4>getNodeHttpAddress</h4>
<pre><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;getNodeHttpAddress(javax.servlet.http.HttpServletRequest&nbsp;req,
<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;appId,
<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;appAttemptId,
<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;containerId,
<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;clusterId)</pre>
<div class="block">Returns the node HTTP address.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>req</code> - <code>HttpServletRequest</code> associated with the request</dd>
<dd><code>appId</code> - the id of the application</dd>
<dd><code>appAttemptId</code> - the id of the application attempt</dd>
<dd><code>containerId</code> - the container id</dd>
<dd><code>clusterId</code> - the id of the cluster</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the node HTTP address</dd>
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<h4>getApp</h4>
<pre>org.apache.hadoop.yarn.server.webapp.BasicAppInfo&nbsp;getApp(javax.servlet.http.HttpServletRequest&nbsp;req,
<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;appId,
<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;clusterId)</pre>
<div class="block">Returns <code>BasicAppInfo</code> object that wraps the collected information
about the application.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>req</code> - <code>HttpServletRequest</code> associated with the request</dd>
<dd><code>appId</code> - the id of the application</dd>
<dd><code>clusterId</code> - the id of the cluster</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd><code>BasicAppInfo</code> object</dd>
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