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<h2 title="Class Constants" class="title">Class Constants</h2>
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<pre>public final class <span class="typeNameLabel">Constants</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">This class contains collection of common constants used in Twill.</div>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/twill/internal/Constants.Files.html" title="class in org.apache.twill.internal">Constants.Files</a></span></code>
<div class="block">Constants for names of internal files that are shared between client, AM and containers.</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/twill/internal/Constants.html#APPLICATION_MAX_START_SECONDS">APPLICATION_MAX_START_SECONDS</a></span></code>
<div class="block">Maximum number of seconds for AM to start.</div>
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<td class="colFirst"><code>static int</code></td>
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<div class="block">Maximum number of seconds for AM to stop.</div>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/twill/internal/Constants.html#CONSTRAINED_PROVISION_REQUEST_TIMEOUT">CONSTRAINED_PROVISION_REQUEST_TIMEOUT</a></span></code>
<div class="block">Milliseconds AM should wait for RM to allocate a constrained provision request.</div>
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<div class="block">Common ZK paths constants.</div>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/twill/internal/Constants.html#LOG_TOPIC">LOG_TOPIC</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static long</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/twill/internal/Constants.html#RESTART_ALL_RUNNABLE_INSTANCES">RESTART_ALL_RUNNABLE_INSTANCES</a></span></code>
<div class="block">Command names for the restart runnable instances.</div>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/twill/internal/Constants.html#RESTART_RUNNABLES_INSTANCES">RESTART_RUNNABLES_INSTANCES</a></span></code>&nbsp;</td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/twill/internal/Constants.html#TWILL_APP_NAME">TWILL_APP_NAME</a></span></code>
<div class="block">Constants for twill variable names.</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>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/twill/internal/Constants.html#TWILL_CONTAINER_CLASSLOADER">TWILL_CONTAINER_CLASSLOADER</a></span></code>
<div class="block">Constant for the system property name that carries the class name for the container ClassLoader as defined by user.</div>
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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> LOG_TOPIC</pre>
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<pre>public static final&nbsp;int APPLICATION_MAX_START_SECONDS</pre>
<div class="block">Maximum number of seconds for AM to start.</div>
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<pre>public static final&nbsp;int APPLICATION_MAX_STOP_SECONDS</pre>
<div class="block">Maximum number of seconds for AM to stop.</div>
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<pre>public static final&nbsp;long PROVISION_TIMEOUT</pre>
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<pre>public static final&nbsp;int CONSTRAINED_PROVISION_REQUEST_TIMEOUT</pre>
<div class="block">Milliseconds AM should wait for RM to allocate a constrained provision request.
On timeout, AM relaxes the request constraints.</div>
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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> RESTART_ALL_RUNNABLE_INSTANCES</pre>
<div class="block">Command names for the restart runnable instances.</div>
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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> RESTART_RUNNABLES_INSTANCES</pre>
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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> DISCOVERY_PATH_PREFIX</pre>
<div class="block">Common ZK paths constants.</div>
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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> INSTANCES_PATH_PREFIX</pre>
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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> TWILL_APP_NAME</pre>
<div class="block">Constants for twill variable names.</div>
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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> TWILL_CONTAINER_CLASSLOADER</pre>
<div class="block">Constant for the system property name that carries the class name for the container ClassLoader as defined by user.</div>
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