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<div class="subTitle">org.apache.storm.scheduler</div>
<h2 title="Class EvenScheduler" class="title">Class EvenScheduler</h2>
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<pre>public class <span class="typeNameLabel">EvenScheduler</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>
implements <a href="../../../../org/apache/storm/scheduler/IScheduler.html" title="interface in org.apache.storm.scheduler">IScheduler</a></pre>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/scheduler/EvenScheduler.html#EvenScheduler--">EvenScheduler</a></span>()</code>&nbsp;</td>
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<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/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/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/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/scheduler/EvenScheduler.html#config--">config</a></span>()</code>
<div class="block">This function returns the scheduler&rsquo;s configuration.</div>
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<td class="colFirst"><code>static <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="../../../../org/apache/storm/scheduler/WorkerSlot.html" title="class in org.apache.storm.scheduler">WorkerSlot</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/storm/scheduler/ExecutorDetails.html" title="class in org.apache.storm.scheduler">ExecutorDetails</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/scheduler/EvenScheduler.html#getAliveAssignedWorkerSlotExecutors-org.apache.storm.scheduler.Cluster-java.lang.String-">getAliveAssignedWorkerSlotExecutors</a></span>(<a href="../../../../org/apache/storm/scheduler/Cluster.html" title="class in org.apache.storm.scheduler">Cluster</a>&nbsp;cluster,
<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;topologyId)</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/scheduler/EvenScheduler.html#prepare-java.util.Map-org.apache.storm.metric.StormMetricsRegistry-">prepare</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/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;conf,
<a href="../../../../org/apache/storm/metric/StormMetricsRegistry.html" title="class in org.apache.storm.metric">StormMetricsRegistry</a>&nbsp;metricsRegistry)</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/scheduler/EvenScheduler.html#schedule-org.apache.storm.scheduler.Topologies-org.apache.storm.scheduler.Cluster-">schedule</a></span>(<a href="../../../../org/apache/storm/scheduler/Topologies.html" title="class in org.apache.storm.scheduler">Topologies</a>&nbsp;topologies,
<a href="../../../../org/apache/storm/scheduler/Cluster.html" title="class in org.apache.storm.scheduler">Cluster</a>&nbsp;cluster)</code>
<div class="block">Set assignments for the topologies which needs scheduling.</div>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/scheduler/EvenScheduler.html#scheduleTopologiesEvenly-org.apache.storm.scheduler.Topologies-org.apache.storm.scheduler.Cluster-">scheduleTopologiesEvenly</a></span>(<a href="../../../../org/apache/storm/scheduler/Topologies.html" title="class in org.apache.storm.scheduler">Topologies</a>&nbsp;topologies,
<a href="../../../../org/apache/storm/scheduler/Cluster.html" title="class in org.apache.storm.scheduler">Cluster</a>&nbsp;cluster)</code>&nbsp;</td>
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<td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/storm/scheduler/WorkerSlot.html" title="class in org.apache.storm.scheduler">WorkerSlot</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/scheduler/EvenScheduler.html#sortSlots-java.util.List-">sortSlots</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/storm/scheduler/WorkerSlot.html" title="class in org.apache.storm.scheduler">WorkerSlot</a>&gt;&nbsp;availableSlots)</code>&nbsp;</td>
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<code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li>
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<code><a href="../../../../org/apache/storm/scheduler/IScheduler.html#cleanup--">cleanup</a></code></li>
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<code><a href="../../../../org/apache/storm/scheduler/INodeAssignmentSentCallBack.html#nodeAssignmentSent-java.lang.String-boolean-">nodeAssignmentSent</a></code></li>
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<h4>EvenScheduler</h4>
<pre>public&nbsp;EvenScheduler()</pre>
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<pre>public static&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/storm/scheduler/WorkerSlot.html" title="class in org.apache.storm.scheduler">WorkerSlot</a>&gt;&nbsp;sortSlots(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/storm/scheduler/WorkerSlot.html" title="class in org.apache.storm.scheduler">WorkerSlot</a>&gt;&nbsp;availableSlots)</pre>
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<h4>getAliveAssignedWorkerSlotExecutors</h4>
<pre>public static&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="../../../../org/apache/storm/scheduler/WorkerSlot.html" title="class in org.apache.storm.scheduler">WorkerSlot</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../../org/apache/storm/scheduler/ExecutorDetails.html" title="class in org.apache.storm.scheduler">ExecutorDetails</a>&gt;&gt;&nbsp;getAliveAssignedWorkerSlotExecutors(<a href="../../../../org/apache/storm/scheduler/Cluster.html" title="class in org.apache.storm.scheduler">Cluster</a>&nbsp;cluster,
<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;topologyId)</pre>
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<h4>scheduleTopologiesEvenly</h4>
<pre>public static&nbsp;void&nbsp;scheduleTopologiesEvenly(<a href="../../../../org/apache/storm/scheduler/Topologies.html" title="class in org.apache.storm.scheduler">Topologies</a>&nbsp;topologies,
<a href="../../../../org/apache/storm/scheduler/Cluster.html" title="class in org.apache.storm.scheduler">Cluster</a>&nbsp;cluster)</pre>
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<h4>prepare</h4>
<pre>public&nbsp;void&nbsp;prepare(<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/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;conf,
<a href="../../../../org/apache/storm/metric/StormMetricsRegistry.html" title="class in org.apache.storm.metric">StormMetricsRegistry</a>&nbsp;metricsRegistry)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/storm/scheduler/IScheduler.html#prepare-java.util.Map-org.apache.storm.metric.StormMetricsRegistry-">prepare</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/storm/scheduler/IScheduler.html" title="interface in org.apache.storm.scheduler">IScheduler</a></code></dd>
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<a name="schedule-org.apache.storm.scheduler.Topologies-org.apache.storm.scheduler.Cluster-">
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<h4>schedule</h4>
<pre>public&nbsp;void&nbsp;schedule(<a href="../../../../org/apache/storm/scheduler/Topologies.html" title="class in org.apache.storm.scheduler">Topologies</a>&nbsp;topologies,
<a href="../../../../org/apache/storm/scheduler/Cluster.html" title="class in org.apache.storm.scheduler">Cluster</a>&nbsp;cluster)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/storm/scheduler/IScheduler.html#schedule-org.apache.storm.scheduler.Topologies-org.apache.storm.scheduler.Cluster-">IScheduler</a></code></span></div>
<div class="block"><p>Set assignments for the topologies which needs scheduling. The new assignments is available through <code>cluster.getAssignments()</code></p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/storm/scheduler/IScheduler.html#schedule-org.apache.storm.scheduler.Topologies-org.apache.storm.scheduler.Cluster-">schedule</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/storm/scheduler/IScheduler.html" title="interface in org.apache.storm.scheduler">IScheduler</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>topologies</code> - all the topologies in the cluster, some of them need schedule. Topologies object here only contain static information about topologies. Information like assignments, slots are all in the <code>cluster</code> object.</dd>
<dd><code>cluster</code> - the cluster these topologies are running in. <code>cluster</code> contains everything user need to develop a new scheduling logic. e.g. supervisors information, available slots, current assignments for all the topologies etc. User can set the new assignment for topologies using cluster.setAssignmentById()`</dd>
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<h4>config</h4>
<pre>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/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/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/Double.html?is-external=true" title="class or interface in java.lang">Double</a>&gt;&gt;&nbsp;config()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../org/apache/storm/scheduler/IScheduler.html#config--">IScheduler</a></code></span></div>
<div class="block"><p>This function returns the scheduler&rsquo;s configuration.</p></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../org/apache/storm/scheduler/IScheduler.html#config--">config</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../org/apache/storm/scheduler/IScheduler.html" title="interface in org.apache.storm.scheduler">IScheduler</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>The scheduler&rsquo;s configuration.</dd>
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