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<div class="subTitle">org.apache.storm.scheduler.resource.strategies.scheduling</div>
<h2 title="Class BaseResourceAwareStrategy" class="title">Class BaseResourceAwareStrategy</h2>
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<li>org.apache.storm.scheduler.resource.strategies.scheduling.BaseResourceAwareStrategy</li>
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<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/IStrategy.html" title="interface in org.apache.storm.scheduler.resource.strategies.scheduling">IStrategy</a></dd>
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<dl>
<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/ConstraintSolverStrategy.html" title="class in org.apache.storm.scheduler.resource.strategies.scheduling">ConstraintSolverStrategy</a>, <a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/DefaultResourceAwareStrategy.html" title="class in org.apache.storm.scheduler.resource.strategies.scheduling">DefaultResourceAwareStrategy</a>, <a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/DefaultResourceAwareStrategyOld.html" title="class in org.apache.storm.scheduler.resource.strategies.scheduling">DefaultResourceAwareStrategyOld</a>, <a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/GenericResourceAwareStrategy.html" title="class in org.apache.storm.scheduler.resource.strategies.scheduling">GenericResourceAwareStrategy</a>, <a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/GenericResourceAwareStrategyOld.html" title="class in org.apache.storm.scheduler.resource.strategies.scheduling">GenericResourceAwareStrategyOld</a></dd>
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<pre>public abstract class <span class="typeNameLabel">BaseResourceAwareStrategy</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/resource/strategies/scheduling/IStrategy.html" title="interface in org.apache.storm.scheduler.resource.strategies.scheduling">IStrategy</a></pre>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.NodeSortType.html" title="enum in org.apache.storm.scheduler.resource.strategies.scheduling">BaseResourceAwareStrategy.NodeSortType</a></span></code>
<div class="block">Different node sorting types available.</div>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/storm/scheduler/Cluster.html" title="class in org.apache.storm.scheduler">Cluster</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#cluster">cluster</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="../../../../../../../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/resource/strategies/scheduling/BaseResourceAwareStrategy.html#compToExecs">compToExecs</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<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/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#config">config</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/sorter/IExecSorter.html" title="interface in org.apache.storm.scheduler.resource.strategies.scheduling.sorter">IExecSorter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#execSorter">execSorter</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<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="../../../../../../../org/apache/storm/scheduler/ExecutorDetails.html" title="class in org.apache.storm.scheduler">ExecutorDetails</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;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#execToComp">execToComp</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/storm/scheduler/resource/RasNodes.html" title="class in org.apache.storm.scheduler.resource">RasNodes</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#nodes">nodes</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/sorter/INodeSorter.html" title="interface in org.apache.storm.scheduler.resource.strategies.scheduling.sorter">INodeSorter</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#nodeSorter">nodeSorter</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.NodeSortType.html" title="enum in org.apache.storm.scheduler.resource.strategies.scheduling">BaseResourceAwareStrategy.NodeSortType</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#nodeSortType">nodeSortType</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#orderExecutorsByProximity">orderExecutorsByProximity</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/SchedulingSearcherState.html" title="class in org.apache.storm.scheduler.resource.strategies.scheduling">SchedulingSearcherState</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#searcherState">searcherState</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#sortNodesForEachExecutor">sortNodesForEachExecutor</a></span></code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/storm/scheduler/TopologyDetails.html" title="class in org.apache.storm.scheduler">TopologyDetails</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#topologyDetails">topologyDetails</a></span></code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <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/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#topoName">topoName</a></span></code>&nbsp;</td>
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<h3>Constructor Summary</h3>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#BaseResourceAwareStrategy--">BaseResourceAwareStrategy</a></span>()</code>&nbsp;</td>
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<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#BaseResourceAwareStrategy-boolean-org.apache.storm.scheduler.resource.strategies.scheduling.BaseResourceAwareStrategy.NodeSortType-">BaseResourceAwareStrategy</a></span>(boolean&nbsp;sortNodesForEachExecutor,
<a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.NodeSortType.html" title="enum in org.apache.storm.scheduler.resource.strategies.scheduling">BaseResourceAwareStrategy.NodeSortType</a>&nbsp;nodeSortType)</code>
<div class="block">Initialize for the default implementation of schedule().</div>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></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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<th class="colFirst" scope="col">Modifier and Type</th>
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<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/storm/scheduler/resource/SchedulingResult.html" title="class in org.apache.storm.scheduler.resource">SchedulingResult</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#checkSchedulingFeasibility--">checkSchedulingFeasibility</a></span>()</code>
<div class="block">Check scheduling feasibility for a quick failure as the second step in <a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#schedule-org.apache.storm.scheduler.Cluster-org.apache.storm.scheduler.TopologyDetails-"><code>schedule(Cluster, TopologyDetails)</code></a>.</div>
</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>static int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#getMaxStateSearchFromTopoConf-java.util.Map-">getMaxStateSearchFromTopoConf</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;topoConf)</code>&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code><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/resource/RasNode.html" title="class in org.apache.storm.scheduler.resource">RasNode</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#hostnameToNodes-java.lang.String-">hostnameToNodes</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;hostname)</code>
<div class="block">hostname to Ids.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/storm/scheduler/resource/RasNode.html" title="class in org.apache.storm.scheduler.resource">RasNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#idToNode-java.lang.String-">idToNode</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;id)</code>
<div class="block">Find RASNode for specified node id.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#isExecAssignmentToWorkerValid-org.apache.storm.scheduler.ExecutorDetails-org.apache.storm.scheduler.WorkerSlot-">isExecAssignmentToWorkerValid</a></span>(<a href="../../../../../../../org/apache/storm/scheduler/ExecutorDetails.html" title="class in org.apache.storm.scheduler">ExecutorDetails</a>&nbsp;exec,
<a href="../../../../../../../org/apache/storm/scheduler/WorkerSlot.html" title="class in org.apache.storm.scheduler">WorkerSlot</a>&nbsp;worker)</code>
<div class="block">Check if the assignment of the executor to the worker is valid.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#isOrderByProximity-java.util.Map-">isOrderByProximity</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;topoConf)</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#prepare-java.util.Map-">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;config)</code>
<div class="block">Prepare the Strategy for scheduling.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#prepareForScheduling-org.apache.storm.scheduler.Cluster-org.apache.storm.scheduler.TopologyDetails-">prepareForScheduling</a></span>(<a href="../../../../../../../org/apache/storm/scheduler/Cluster.html" title="class in org.apache.storm.scheduler">Cluster</a>&nbsp;cluster,
<a href="../../../../../../../org/apache/storm/scheduler/TopologyDetails.html" title="class in org.apache.storm.scheduler">TopologyDetails</a>&nbsp;topologyDetails)</code>
<div class="block">Initialize instance variables as the first step in <a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#schedule-org.apache.storm.scheduler.Cluster-org.apache.storm.scheduler.TopologyDetails-"><code>schedule(Cluster, TopologyDetails)</code></a>.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../org/apache/storm/scheduler/resource/SchedulingResult.html" title="class in org.apache.storm.scheduler.resource">SchedulingResult</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#schedule-org.apache.storm.scheduler.Cluster-org.apache.storm.scheduler.TopologyDetails-">schedule</a></span>(<a href="../../../../../../../org/apache/storm/scheduler/Cluster.html" title="class in org.apache.storm.scheduler">Cluster</a>&nbsp;cluster,
<a href="../../../../../../../org/apache/storm/scheduler/TopologyDetails.html" title="class in org.apache.storm.scheduler">TopologyDetails</a>&nbsp;td)</code>
<div class="block">Note that this method is not thread-safe.</div>
</td>
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<td class="colFirst"><code>protected <a href="../../../../../../../org/apache/storm/scheduler/resource/SchedulingResult.html" title="class in org.apache.storm.scheduler.resource">SchedulingResult</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#scheduleExecutorsOnNodes-java.util.List-java.lang.Iterable-">scheduleExecutorsOnNodes</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/ExecutorDetails.html" title="class in org.apache.storm.scheduler">ExecutorDetails</a>&gt;&nbsp;orderedExecutors,
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<div class="block">Try to schedule till successful or till limits (backtrack count or time) have been exceeded.</div>
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<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#setExecSorter-org.apache.storm.scheduler.resource.strategies.scheduling.sorter.IExecSorter-">setExecSorter</a></span>(<a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/sorter/IExecSorter.html" title="interface in org.apache.storm.scheduler.resource.strategies.scheduling.sorter">IExecSorter</a>&nbsp;execSorter)</code>
<div class="block">Set the pluggable sorter for ExecutorDetails.</div>
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<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#setNodeSorter-org.apache.storm.scheduler.resource.strategies.scheduling.sorter.INodeSorter-">setNodeSorter</a></span>(<a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/sorter/INodeSorter.html" title="interface in org.apache.storm.scheduler.resource.strategies.scheduling.sorter">INodeSorter</a>&nbsp;nodeSorter)</code>
<div class="block">Set the pluggable sorter for Nodes.</div>
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<pre>protected final&nbsp;boolean sortNodesForEachExecutor</pre>
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<pre>protected final&nbsp;<a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.NodeSortType.html" title="enum in org.apache.storm.scheduler.resource.strategies.scheduling">BaseResourceAwareStrategy.NodeSortType</a> nodeSortType</pre>
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<pre>protected&nbsp;<a href="../../../../../../../org/apache/storm/scheduler/Cluster.html" title="class in org.apache.storm.scheduler">Cluster</a> cluster</pre>
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<pre>protected&nbsp;<a href="../../../../../../../org/apache/storm/scheduler/TopologyDetails.html" title="class in org.apache.storm.scheduler">TopologyDetails</a> topologyDetails</pre>
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<pre>protected&nbsp;<a href="../../../../../../../org/apache/storm/scheduler/resource/RasNodes.html" title="class in org.apache.storm.scheduler.resource">RasNodes</a> nodes</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="../../../../../../../org/apache/storm/scheduler/ExecutorDetails.html" title="class in org.apache.storm.scheduler">ExecutorDetails</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; execToComp</pre>
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<pre>protected&nbsp;boolean orderExecutorsByProximity</pre>
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<pre>protected&nbsp;<a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/SchedulingSearcherState.html" title="class in org.apache.storm.scheduler.resource.strategies.scheduling">SchedulingSearcherState</a> searcherState</pre>
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<pre>protected&nbsp;<a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/sorter/IExecSorter.html" title="interface in org.apache.storm.scheduler.resource.strategies.scheduling.sorter">IExecSorter</a> execSorter</pre>
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<pre>protected&nbsp;<a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/sorter/INodeSorter.html" title="interface in org.apache.storm.scheduler.resource.strategies.scheduling.sorter">INodeSorter</a> nodeSorter</pre>
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<pre>public&nbsp;BaseResourceAwareStrategy()</pre>
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<pre>public&nbsp;BaseResourceAwareStrategy(boolean&nbsp;sortNodesForEachExecutor,
<a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.NodeSortType.html" title="enum in org.apache.storm.scheduler.resource.strategies.scheduling">BaseResourceAwareStrategy.NodeSortType</a>&nbsp;nodeSortType)</pre>
<div class="block"><p>Initialize for the default implementation of schedule().</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>sortNodesForEachExecutor</code> - Sort nodes before scheduling each executor.</dd>
<dd><code>nodeSortType</code> - type of sorting to be applied to object resource collection <a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.NodeSortType.html" title="enum in org.apache.storm.scheduler.resource.strategies.scheduling"><code>BaseResourceAwareStrategy.NodeSortType</code></a>.</dd>
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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;config)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/IStrategy.html#prepare-java.util.Map-">IStrategy</a></code></span></div>
<div class="block"><p>Prepare the Strategy for scheduling.</p></div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/IStrategy.html#prepare-java.util.Map-">prepare</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/IStrategy.html" title="interface in org.apache.storm.scheduler.resource.strategies.scheduling">IStrategy</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>config</code> - the cluster configuration</dd>
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<pre>public&nbsp;<a href="../../../../../../../org/apache/storm/scheduler/resource/SchedulingResult.html" title="class in org.apache.storm.scheduler.resource">SchedulingResult</a>&nbsp;schedule(<a href="../../../../../../../org/apache/storm/scheduler/Cluster.html" title="class in org.apache.storm.scheduler">Cluster</a>&nbsp;cluster,
<a href="../../../../../../../org/apache/storm/scheduler/TopologyDetails.html" title="class in org.apache.storm.scheduler">TopologyDetails</a>&nbsp;td)</pre>
<div class="block"><p>Note that this method is not thread-safe. Several instance variables are generated from supplied parameters. In addition, the following instance variables are set to complete scheduling: <li><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#searcherState"><code>searcherState</code></a></li> <li><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#execSorter"><code>execSorter</code></a> to sort executors</li> <li><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#nodeSorter"><code>nodeSorter</code></a> to sort nodes</li> <p> Scheduling consists of three main steps: <li><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#prepareForScheduling-org.apache.storm.scheduler.Cluster-org.apache.storm.scheduler.TopologyDetails-"><code>prepareForScheduling(Cluster, TopologyDetails)</code></a></li> <li><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#checkSchedulingFeasibility--"><code>checkSchedulingFeasibility()</code></a>, and</li> <li><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#scheduleExecutorsOnNodes-java.util.List-java.lang.Iterable-"><code>scheduleExecutorsOnNodes(List, Iterable)</code></a></li> </p><p> The executors and nodes are sorted in the order most conducive to scheduling for the strategy. Those interfaces may be overridden by subclasses using mutators: <li><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#setExecSorter-org.apache.storm.scheduler.resource.strategies.scheduling.sorter.IExecSorter-"><code>setExecSorter(IExecSorter)</code></a> and</li> <li><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#setNodeSorter-org.apache.storm.scheduler.resource.strategies.scheduling.sorter.INodeSorter-"><code>setNodeSorter(INodeSorter)</code></a></li> </p></p></div>
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<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/IStrategy.html#schedule-org.apache.storm.scheduler.Cluster-org.apache.storm.scheduler.TopologyDetails-">schedule</a></code>&nbsp;in interface&nbsp;<code><a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/IStrategy.html" title="interface in org.apache.storm.scheduler.resource.strategies.scheduling">IStrategy</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cluster</code> - on which executors will be scheduled.</dd>
<dd><code>td</code> - the topology to schedule for.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>result of scheduling (success, failure, or null when interrupted).</dd>
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<pre>protected&nbsp;void&nbsp;prepareForScheduling(<a href="../../../../../../../org/apache/storm/scheduler/Cluster.html" title="class in org.apache.storm.scheduler">Cluster</a>&nbsp;cluster,
<a href="../../../../../../../org/apache/storm/scheduler/TopologyDetails.html" title="class in org.apache.storm.scheduler">TopologyDetails</a>&nbsp;topologyDetails)</pre>
<div class="block"><p>Initialize instance variables as the first step in <a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#schedule-org.apache.storm.scheduler.Cluster-org.apache.storm.scheduler.TopologyDetails-"><code>schedule(Cluster, TopologyDetails)</code></a>. This method may be extended by subclasses to initialize additional variables as in <a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/ConstraintSolverStrategy.html#prepareForScheduling-org.apache.storm.scheduler.Cluster-org.apache.storm.scheduler.TopologyDetails-"><code>ConstraintSolverStrategy.prepareForScheduling(Cluster, TopologyDetails)</code></a>.</p></div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>cluster</code> - on which executors will be scheduled.</dd>
<dd><code>topologyDetails</code> - to be scheduled.</dd>
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<pre>protected&nbsp;void&nbsp;setExecSorter(<a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/sorter/IExecSorter.html" title="interface in org.apache.storm.scheduler.resource.strategies.scheduling.sorter">IExecSorter</a>&nbsp;execSorter)</pre>
<div class="block"><p>Set the pluggable sorter for ExecutorDetails.</p></div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>execSorter</code> - to use for sorting executorDetails when scheduling.</dd>
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<pre>protected&nbsp;void&nbsp;setNodeSorter(<a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/sorter/INodeSorter.html" title="interface in org.apache.storm.scheduler.resource.strategies.scheduling.sorter">INodeSorter</a>&nbsp;nodeSorter)</pre>
<div class="block"><p>Set the pluggable sorter for Nodes.</p></div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>nodeSorter</code> - to use for sorting nodes when scheduling.</dd>
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<pre>public static&nbsp;int&nbsp;getMaxStateSearchFromTopoConf(<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;topoConf)</pre>
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<pre>public static&nbsp;boolean&nbsp;isOrderByProximity(<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;topoConf)</pre>
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<pre>protected&nbsp;<a href="../../../../../../../org/apache/storm/scheduler/resource/SchedulingResult.html" title="class in org.apache.storm.scheduler.resource">SchedulingResult</a>&nbsp;checkSchedulingFeasibility()</pre>
<div class="block"><p>Check scheduling feasibility for a quick failure as the second step in <a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/BaseResourceAwareStrategy.html#schedule-org.apache.storm.scheduler.Cluster-org.apache.storm.scheduler.TopologyDetails-"><code>schedule(Cluster, TopologyDetails)</code></a>. If scheduling is not possible, then return a SchedulingStatus object with a failure status. If fully scheduled then return a successful SchedulingStatus. This method can be extended by subclasses <a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/ConstraintSolverStrategy.html#checkSchedulingFeasibility--"><code>ConstraintSolverStrategy.checkSchedulingFeasibility()</code></a> to check for additional failure conditions.</p></div>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>A non-null <a href="../../../../../../../org/apache/storm/scheduler/resource/SchedulingResult.html" title="class in org.apache.storm.scheduler.resource"><code>SchedulingResult</code></a> to terminate scheduling, otherwise return null to continue scheduling.</dd>
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<pre>protected&nbsp;boolean&nbsp;isExecAssignmentToWorkerValid(<a href="../../../../../../../org/apache/storm/scheduler/ExecutorDetails.html" title="class in org.apache.storm.scheduler">ExecutorDetails</a>&nbsp;exec,
<a href="../../../../../../../org/apache/storm/scheduler/WorkerSlot.html" title="class in org.apache.storm.scheduler">WorkerSlot</a>&nbsp;worker)</pre>
<div class="block"><p>Check if the assignment of the executor to the worker is valid. In simple cases, this is simply a check of <a href="../../../../../../../org/apache/storm/scheduler/resource/RasNode.html#wouldFit-org.apache.storm.scheduler.WorkerSlot-org.apache.storm.scheduler.ExecutorDetails-org.apache.storm.scheduler.TopologyDetails-"><code>RasNode.wouldFit(WorkerSlot, ExecutorDetails, TopologyDetails)</code></a>. This method may be extended by subclasses to add additional checks, see <a href="../../../../../../../org/apache/storm/scheduler/resource/strategies/scheduling/ConstraintSolverStrategy.html#isExecAssignmentToWorkerValid-org.apache.storm.scheduler.ExecutorDetails-org.apache.storm.scheduler.WorkerSlot-"><code>ConstraintSolverStrategy.isExecAssignmentToWorkerValid(ExecutorDetails, WorkerSlot)</code></a>.</p></div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>exec</code> - being scheduled.</dd>
<dd><code>worker</code> - on which to schedule.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if executor can be assigned to the worker, false otherwise.</dd>
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<pre>public&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/resource/RasNode.html" title="class in org.apache.storm.scheduler.resource">RasNode</a>&gt;&nbsp;hostnameToNodes(<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;hostname)</pre>
<div class="block"><p>hostname to Ids.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>hostname</code> - the hostname.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the ids n that node.</dd>
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<h4>idToNode</h4>
<pre>public&nbsp;<a href="../../../../../../../org/apache/storm/scheduler/resource/RasNode.html" title="class in org.apache.storm.scheduler.resource">RasNode</a>&nbsp;idToNode(<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;id)</pre>
<div class="block"><p>Find RASNode for specified node id.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>id</code> - the node/supervisor id to lookup</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a RASNode object</dd>
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<h4>scheduleExecutorsOnNodes</h4>
<pre>protected&nbsp;<a href="../../../../../../../org/apache/storm/scheduler/resource/SchedulingResult.html" title="class in org.apache.storm.scheduler.resource">SchedulingResult</a>&nbsp;scheduleExecutorsOnNodes(<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;&nbsp;orderedExecutors,
<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Iterable.html?is-external=true" title="class or interface in java.lang">Iterable</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;sortedNodesIter)</pre>
<div class="block"><p>Try to schedule till successful or till limits (backtrack count or time) have been exceeded.</p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>orderedExecutors</code> - Executors sorted in the preferred order cannot be null.</dd>
<dd><code>sortedNodesIter</code> - Node iterable which may be null.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>SchedulingResult with success attribute set to true or false indicting whether ALL executors were assigned.</dd>
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