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| <li>Summary: </li> |
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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.storm.scheduler</a></div> |
| <h1 title="Interface IScheduler" class="title">Interface IScheduler</h1> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>All Superinterfaces:</dt> |
| <dd><code><a href="INodeAssignmentSentCallBack.html" title="interface in org.apache.storm.scheduler">INodeAssignmentSentCallBack</a></code></dd> |
| </dl> |
| <dl class="notes"> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><code><a href="blacklist/BlacklistScheduler.html" title="class in org.apache.storm.scheduler.blacklist">BlacklistScheduler</a></code>, <code><a href="DefaultScheduler.html" title="class in org.apache.storm.scheduler">DefaultScheduler</a></code>, <code><a href="EvenScheduler.html" title="class in org.apache.storm.scheduler">EvenScheduler</a></code>, <code><a href="IsolationScheduler.html" title="class in org.apache.storm.scheduler">IsolationScheduler</a></code>, <code><a href="multitenant/MultitenantScheduler.html" title="class in org.apache.storm.scheduler.multitenant">MultitenantScheduler</a></code>, <code><a href="resource/ResourceAwareScheduler.html" title="class in org.apache.storm.scheduler.resource">ResourceAwareScheduler</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">IScheduler</span><span class="extends-implements"> |
| extends <a href="INodeAssignmentSentCallBack.html" title="interface in org.apache.storm.scheduler">INodeAssignmentSentCallBack</a></span></div> |
| </section> |
| <section class="summary"> |
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| <h2>Method Summary</h2> |
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| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"><code>default void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"><code><a href="#cleanup()" class="member-name-link">cleanup</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab5"> |
| <div class="block">called once when the system is shutting down, should be idempotent.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a></code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#config()" class="member-name-link">config</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">This function returns the scheduler's configuration.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#prepare(java.util.Map,org.apache.storm.metric.StormMetricsRegistry)" class="member-name-link">prepare</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>> conf, |
| <a href="../metric/StormMetricsRegistry.html" title="class in org.apache.storm.metric">StormMetricsRegistry</a> metricsRegistry)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#schedule(org.apache.storm.scheduler.Topologies,org.apache.storm.scheduler.Cluster)" class="member-name-link">schedule</a><wbr>(<a href="Topologies.html" title="class in org.apache.storm.scheduler">Topologies</a> topologies, |
| <a href="Cluster.html" title="class in org.apache.storm.scheduler">Cluster</a> cluster)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Set assignments for the topologies which needs scheduling.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.storm.scheduler.INodeAssignmentSentCallBack">Methods inherited from interface org.apache.storm.scheduler.<a href="INodeAssignmentSentCallBack.html" title="interface in org.apache.storm.scheduler">INodeAssignmentSentCallBack</a></h3> |
| <code><a href="INodeAssignmentSentCallBack.html#nodeAssignmentSent(java.lang.String,boolean)">nodeAssignmentSent</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="prepare(java.util.Map,org.apache.storm.metric.StormMetricsRegistry)"> |
| <h3>prepare</h3> |
| <div class="member-signature"><span class="return-type">void</span> <span class="element-name">prepare</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>> conf, |
| <a href="../metric/StormMetricsRegistry.html" title="class in org.apache.storm.metric">StormMetricsRegistry</a> metricsRegistry)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="schedule(org.apache.storm.scheduler.Topologies,org.apache.storm.scheduler.Cluster)"> |
| <h3>schedule</h3> |
| <div class="member-signature"><span class="return-type">void</span> <span class="element-name">schedule</span><wbr><span class="parameters">(<a href="Topologies.html" title="class in org.apache.storm.scheduler">Topologies</a> topologies, |
| <a href="Cluster.html" title="class in org.apache.storm.scheduler">Cluster</a> cluster)</span></div> |
| <div class="block">Set assignments for the topologies which needs scheduling. The new assignments is available |
| through `cluster.getAssignments()`</div> |
| <dl class="notes"> |
| <dt>Parameters:</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 `cluster` object.</dd> |
| <dd><code>cluster</code> - the cluster these topologies are running in. `cluster` 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> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="config()"> |
| <h3>config</h3> |
| <div class="member-signature"><span class="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a></span> <span class="element-name">config</span>()</div> |
| <div class="block">This function returns the scheduler's configuration.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>The scheduler's configuration.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="cleanup()"> |
| <h3>cleanup</h3> |
| <div class="member-signature"><span class="modifiers">default</span> <span class="return-type">void</span> <span class="element-name">cleanup</span>()</div> |
| <div class="block">called once when the system is shutting down, should be idempotent.</div> |
| </section> |
| </li> |
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