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<h2 title="Class Apps" class="title">Class Apps</h2>
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<pre>@InterfaceAudience.Private
public class <span class="typeNameLabel">Apps</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">YARN internal application-related utilities</div>
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<td class="colFirst"><code>static <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>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/yarn/util/Apps.html#Apps--">Apps</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>static void</code></td>
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<td class="colFirst"><code>static void</code></td>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/yarn/util/Apps.html#isApplicationFinalState-org.apache.hadoop.yarn.api.records.YarnApplicationState-">isApplicationFinalState</a></span>(org.apache.hadoop.yarn.api.records.YarnApplicationState&nbsp;appState)</code>
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<td class="colFirst"><code>static void</code></td>
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<td class="colFirst"><code>static void</code></td>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/yarn/util/Apps.html#setEnvFromInputString-java.util.Map-java.lang.String-java.lang.String-">setEnvFromInputString</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/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<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;&nbsp;env,
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<td class="colFirst"><code>static boolean</code></td>
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<td class="colFirst"><code>static void</code></td>
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<td class="colFirst"><code>static void</code></td>
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<td class="colFirst"><code>static org.apache.hadoop.yarn.api.records.ApplicationId</code></td>
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<td class="colFirst"><code>static org.apache.hadoop.yarn.api.records.ApplicationId</code></td>
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<pre>public static final&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> APP</pre>
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<pre>public static&nbsp;org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;toAppID(<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;aid)</pre>
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<pre>public static&nbsp;org.apache.hadoop.yarn.api.records.ApplicationId&nbsp;toAppID(<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;prefix,
<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;s,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</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;&nbsp;it)</pre>
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<pre>public static&nbsp;void&nbsp;shouldHaveNext(<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;prefix,
<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;s,
<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</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;&nbsp;it)</pre>
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<pre>public static&nbsp;void&nbsp;throwParseException(<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;name,
<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;s)</pre>
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<pre>public static&nbsp;void&nbsp;setEnvFromInputString(<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/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<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;&nbsp;env,
<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;envString,
<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;classPathSeparator)</pre>
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<pre>public static&nbsp;void&nbsp;setEnvFromInputProperty(<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/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<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;&nbsp;env,
<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;propName,
<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;defaultPropValue,
org.apache.hadoop.conf.Configuration&nbsp;conf,
<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;classPathSeparator)</pre>
<div class="block">Set environment variables from the given environment input property.
For example, given the property mapreduce.map.env, this method
will extract environment variables from:
the comma-separated string value of mapreduce.map.env, and
the values of any properties of the form mapreduce.map.env.VAR_NAME
Variables specified via the latter syntax take precedence over those
specified using the former syntax.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>env</code> - the environment to update</dd>
<dd><code>propName</code> - the name of the property</dd>
<dd><code>defaultPropValue</code> - the default value for propName</dd>
<dd><code>conf</code> - configuration containing properties</dd>
<dd><code>classPathSeparator</code> - Separator used when appending to an existing var</dd>
</dl>
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<pre>public static&nbsp;<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;&nbsp;getEnvVarsFromInputProperty(<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;propName,
<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;defaultPropValue,
org.apache.hadoop.conf.Configuration&nbsp;conf)</pre>
<div class="block">Return the list of environment variable names specified in the
given property or default string and those specified individually
with the propname.VARNAME syntax (e.g., mapreduce.map.env.VARNAME=value).</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>propName</code> - the name of the property</dd>
<dd><code>defaultPropValue</code> - the default value for propName</dd>
<dd><code>conf</code> - configuration containing properties</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Set of environment variable names</dd>
</dl>
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<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
public static&nbsp;void&nbsp;setEnvFromInputString(<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/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<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;&nbsp;env,
<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;envString)</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">This older version of this method is kept around for compatibility
because downstream frameworks like Spark and Tez have been using it.
Downstream frameworks are expected to move off of it.</div>
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<pre>@InterfaceAudience.Public
@InterfaceStability.Unstable
public static&nbsp;void&nbsp;addToEnvironment(<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/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<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;&nbsp;environment,
<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;variable,
<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;value,
<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;classPathSeparator)</pre>
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<pre><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a>
public static&nbsp;void&nbsp;addToEnvironment(<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/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<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;&nbsp;environment,
<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;variable,
<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;value)</pre>
<div class="block"><span class="deprecatedLabel">Deprecated.</span>&nbsp;</div>
<div class="block">This older version of this method is kept around for compatibility
because downstream frameworks like Spark and Tez have been using it.
Downstream frameworks are expected to move off of it.</div>
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<pre>public static&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;crossPlatformify(<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;var)</pre>
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<pre>@InterfaceAudience.Private
@InterfaceStability.Unstable
public static&nbsp;boolean&nbsp;shouldCountTowardsNodeBlacklisting(int&nbsp;exitStatus)</pre>
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<pre>public static&nbsp;boolean&nbsp;isApplicationFinalState(org.apache.hadoop.yarn.api.records.YarnApplicationState&nbsp;appState)</pre>
<div class="block">Returns whether a given application state is final: FINISHED,
FAILED or KILLED.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>appState</code> - application state</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>whether the appState is final.</dd>
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