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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="Class DefaultScheduler" class="title">Class DefaultScheduler</h1> |
| </div> |
| <div class="inheritance" title="Inheritance Tree"><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">java.lang.Object</a> |
| <div class="inheritance">org.apache.storm.scheduler.DefaultScheduler</div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>All Implemented Interfaces:</dt> |
| <dd><code><a href="INodeAssignmentSentCallBack.html" title="interface in org.apache.storm.scheduler">INodeAssignmentSentCallBack</a></code>, <code><a href="IScheduler.html" title="interface in org.apache.storm.scheduler">IScheduler</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public class </span><span class="element-name type-name-label">DefaultScheduler</span> |
| <span class="extends-implements">extends <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> |
| implements <a href="IScheduler.html" title="interface in org.apache.storm.scheduler">IScheduler</a></span></div> |
| </section> |
| <section class="summary"> |
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| <div class="table-header col-first">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E()" class="member-name-link">DefaultScheduler</a>()</code></div> |
| <div class="col-last even-row-color"> </div> |
| </div> |
| </section> |
| </li> |
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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-tab4"><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><<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/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/Double.html" title="class or interface in java.lang" class="external-link">Double</a>>></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#config()" class="member-name-link">config</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">This function returns the scheduler's configuration.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#defaultSchedule(org.apache.storm.scheduler.Topologies,org.apache.storm.scheduler.Cluster)" class="member-name-link">defaultSchedule</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-tab1 method-summary-table-tab4"> </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><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-tab4"> </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><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-tab4"> |
| <div class="block">Set assignments for the topologies which needs scheduling.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code>static <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a><<a href="WorkerSlot.html" title="class in org.apache.storm.scheduler">WorkerSlot</a>></code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"><code><a href="#slotsCanReassign(org.apache.storm.scheduler.Cluster,java.util.Set)" class="member-name-link">slotsCanReassign</a><wbr>(<a href="Cluster.html" title="class in org.apache.storm.scheduler">Cluster</a> cluster, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a><<a href="WorkerSlot.html" title="class in org.apache.storm.scheduler">WorkerSlot</a>> slots)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab1 method-summary-table-tab4"> </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<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></h3> |
| <code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#clone()" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#finalize()" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#getClass()" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#hashCode()" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#notify()" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#notifyAll()" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#toString()" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#wait()" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#wait(long)" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html#wait(long,int)" title="class or interface in java.lang" class="external-link">wait</a></code></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> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-org.apache.storm.scheduler.IScheduler">Methods inherited from interface org.apache.storm.scheduler.<a href="IScheduler.html" title="interface in org.apache.storm.scheduler">IScheduler</a></h3> |
| <code><a href="IScheduler.html#cleanup()">cleanup</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor-detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>()"> |
| <h3>DefaultScheduler</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">DefaultScheduler</span>()</div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="slotsCanReassign(org.apache.storm.scheduler.Cluster,java.util.Set)"> |
| <h3>slotsCanReassign</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a><<a href="WorkerSlot.html" title="class in org.apache.storm.scheduler">WorkerSlot</a>></span> <span class="element-name">slotsCanReassign</span><wbr><span class="parameters">(<a href="Cluster.html" title="class in org.apache.storm.scheduler">Cluster</a> cluster, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Set.html" title="class or interface in java.util" class="external-link">Set</a><<a href="WorkerSlot.html" title="class in org.apache.storm.scheduler">WorkerSlot</a>> slots)</span></div> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="defaultSchedule(org.apache.storm.scheduler.Topologies,org.apache.storm.scheduler.Cluster)"> |
| <h3>defaultSchedule</h3> |
| <div class="member-signature"><span class="modifiers">public static</span> <span class="return-type">void</span> <span class="element-name">defaultSchedule</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> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="prepare(java.util.Map,org.apache.storm.metric.StormMetricsRegistry)"> |
| <h3>prepare</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <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> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="IScheduler.html#prepare(java.util.Map,org.apache.storm.metric.StormMetricsRegistry)">prepare</a></code> in interface <code><a href="IScheduler.html" title="interface in org.apache.storm.scheduler">IScheduler</a></code></dd> |
| </dl> |
| </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="modifiers">public</span> <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"><span class="descfrm-type-label">Description copied from interface: <code><a href="IScheduler.html#schedule(org.apache.storm.scheduler.Topologies,org.apache.storm.scheduler.Cluster)">IScheduler</a></code></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>Specified by:</dt> |
| <dd><code><a href="IScheduler.html#schedule(org.apache.storm.scheduler.Topologies,org.apache.storm.scheduler.Cluster)">schedule</a></code> in interface <code><a href="IScheduler.html" title="interface in org.apache.storm.scheduler">IScheduler</a></code></dd> |
| <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="modifiers">public</span> <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><<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/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/Double.html" title="class or interface in java.lang" class="external-link">Double</a>>></span> <span class="element-name">config</span>()</div> |
| <div class="block"><span class="descfrm-type-label">Description copied from interface: <code><a href="IScheduler.html#config()">IScheduler</a></code></span></div> |
| <div class="block">This function returns the scheduler's configuration.</div> |
| <dl class="notes"> |
| <dt>Specified by:</dt> |
| <dd><code><a href="IScheduler.html#config()">config</a></code> in interface <code><a href="IScheduler.html" title="interface in org.apache.storm.scheduler">IScheduler</a></code></dd> |
| <dt>Returns:</dt> |
| <dd>The scheduler's configuration.</dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
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