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<div class="subTitle">org.apache.storm.scheduler.blacklist</div>
<h2 title="Class BlacklistScheduler" class="title">Class BlacklistScheduler</h2>
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<li>org.apache.storm.scheduler.blacklist.BlacklistScheduler</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../org/apache/storm/scheduler/INodeAssignmentSentCallBack.html" title="interface in org.apache.storm.scheduler">INodeAssignmentSentCallBack</a>, <a href="../../../../../org/apache/storm/scheduler/IScheduler.html" title="interface in org.apache.storm.scheduler">IScheduler</a></dd>
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<pre>public class <span class="typeNameLabel">BlacklistScheduler</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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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected org.apache.storm.shade.com.google.common.collect.EvictingQueue&lt;<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/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/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/scheduler/blacklist/BlacklistScheduler.html#badSupervisorsToleranceSlidingWindow">badSupervisorsToleranceSlidingWindow</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <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;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/scheduler/blacklist/BlacklistScheduler.html#blacklistedSupervisorIds">blacklistedSupervisorIds</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../org/apache/storm/scheduler/blacklist/strategies/IBlacklistStrategy.html" title="interface in org.apache.storm.scheduler.blacklist.strategies">IBlacklistStrategy</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/scheduler/blacklist/BlacklistScheduler.html#blacklistStrategy">blacklistStrategy</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <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/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/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/scheduler/blacklist/BlacklistScheduler.html#cachedSupervisors">cachedSupervisors</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/scheduler/blacklist/BlacklistScheduler.html#DEFAULT_BLACKLIST_SCHEDULER_RESUME_TIME">DEFAULT_BLACKLIST_SCHEDULER_RESUME_TIME</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/scheduler/blacklist/BlacklistScheduler.html#DEFAULT_BLACKLIST_SCHEDULER_TOLERANCE_COUNT">DEFAULT_BLACKLIST_SCHEDULER_TOLERANCE_COUNT</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/scheduler/blacklist/BlacklistScheduler.html#DEFAULT_BLACKLIST_SCHEDULER_TOLERANCE_TIME">DEFAULT_BLACKLIST_SCHEDULER_TOLERANCE_TIME</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/scheduler/blacklist/BlacklistScheduler.html#nimbusMonitorFreqSecs">nimbusMonitorFreqSecs</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected <a href="../../../../../org/apache/storm/scheduler/blacklist/reporters/IReporter.html" title="interface in org.apache.storm.scheduler.blacklist.reporters">IReporter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/scheduler/blacklist/BlacklistScheduler.html#reporter">reporter</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/scheduler/blacklist/BlacklistScheduler.html#resumeTime">resumeTime</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>protected org.apache.storm.shade.com.google.common.collect.EvictingQueue&lt;<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/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/scheduler/blacklist/BlacklistScheduler.html#sendAssignmentFailureCount">sendAssignmentFailureCount</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/scheduler/blacklist/BlacklistScheduler.html#toleranceCount">toleranceCount</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/scheduler/blacklist/BlacklistScheduler.html#toleranceTime">toleranceTime</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/scheduler/blacklist/BlacklistScheduler.html#windowSize">windowSize</a></span></code>&nbsp;</td>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/scheduler/blacklist/BlacklistScheduler.html#BlacklistScheduler-org.apache.storm.scheduler.IScheduler-">BlacklistScheduler</a></span>(<a href="../../../../../org/apache/storm/scheduler/IScheduler.html" title="interface in org.apache.storm.scheduler">IScheduler</a>&nbsp;underlyingScheduler)</code>&nbsp;</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/scheduler/blacklist/BlacklistScheduler.html#cleanup--">cleanup</a></span>()</code>
<div class="block">called once when the system is shutting down, should be idempotent.</div>
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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/blacklist/BlacklistScheduler.html#config--">config</a></span>()</code>
<div class="block">This function returns the scheduler&rsquo;s configuration.</div>
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<tr id="i2" class="altColor">
<td class="colFirst"><code><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;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/scheduler/blacklist/BlacklistScheduler.html#getBlacklistSupervisorIds--">getBlacklistSupervisorIds</a></span>()</code>&nbsp;</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/storm/scheduler/blacklist/BlacklistScheduler.html#nodeAssignmentSent-java.lang.String-boolean-">nodeAssignmentSent</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;node,
boolean&nbsp;successful)</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/blacklist/BlacklistScheduler.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/blacklist/BlacklistScheduler.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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<h3>Methods inherited from class&nbsp;java.lang.<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></h3>
<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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<pre>public static final&nbsp;int DEFAULT_BLACKLIST_SCHEDULER_RESUME_TIME</pre>
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<pre>public static final&nbsp;int DEFAULT_BLACKLIST_SCHEDULER_TOLERANCE_COUNT</pre>
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<pre>public static final&nbsp;int DEFAULT_BLACKLIST_SCHEDULER_TOLERANCE_TIME</pre>
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<pre>protected&nbsp;int toleranceTime</pre>
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<pre>protected&nbsp;int toleranceCount</pre>
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<pre>protected&nbsp;int resumeTime</pre>
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<pre>protected&nbsp;<a href="../../../../../org/apache/storm/scheduler/blacklist/reporters/IReporter.html" title="interface in org.apache.storm.scheduler.blacklist.reporters">IReporter</a> reporter</pre>
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<pre>protected&nbsp;<a href="../../../../../org/apache/storm/scheduler/blacklist/strategies/IBlacklistStrategy.html" title="interface in org.apache.storm.scheduler.blacklist.strategies">IBlacklistStrategy</a> blacklistStrategy</pre>
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<pre>protected&nbsp;int nimbusMonitorFreqSecs</pre>
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<pre>protected&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/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/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;&gt; cachedSupervisors</pre>
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<pre>protected&nbsp;org.apache.storm.shade.com.google.common.collect.EvictingQueue&lt;<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/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/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;&gt;&gt; badSupervisorsToleranceSlidingWindow</pre>
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<pre>protected&nbsp;org.apache.storm.shade.com.google.common.collect.EvictingQueue&lt;<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/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>&gt;&gt; sendAssignmentFailureCount</pre>
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<pre>protected&nbsp;int windowSize</pre>
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<pre>protected volatile&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; blacklistedSupervisorIds</pre>
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<pre>public&nbsp;BlacklistScheduler(<a href="../../../../../org/apache/storm/scheduler/IScheduler.html" title="interface in org.apache.storm.scheduler">IScheduler</a>&nbsp;underlyingScheduler)</pre>
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<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>
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<pre>public&nbsp;void&nbsp;cleanup()</pre>
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<div class="block"><p>called once when the system is shutting down, should be idempotent.</p></div>
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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>
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<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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<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>
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<div class="block"><p>This function returns the scheduler&rsquo;s configuration.</p></div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>The scheduler&rsquo;s configuration.</dd>
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<pre>public&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;getBlacklistSupervisorIds()</pre>
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boolean&nbsp;successful)</pre>
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