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<div class="subTitle">org.apache.gearpump.streaming.appmaster</div>
<h2 title="Class JarScheduler" class="title">Class JarScheduler</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<pre>public class <span class="typeNameLabel">JarScheduler</span>
extends java.lang.Object</pre>
<div class="block">Different processors of the stream application can use different jars. JarScheduler is the
scheduler for different jars.
<p>
For a DAG of multiple processors, each processor can have its own jar. Tasks of same jar
is scheduled by TaskScheduler, and TaskSchedulers are scheduled by JarScheduler.
<p>
In runtime, the implementation is delegated to actor JarSchedulerImpl</div>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/JarScheduler.ExecutorFailed.html" title="class in org.apache.gearpump.streaming.appmaster">JarScheduler.ExecutorFailed</a></span></code>
<div class="block">Some executor JVM is dead, try to recover tasks that are located on failed executor</div>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/JarScheduler.ExecutorFailed$.html" title="class in org.apache.gearpump.streaming.appmaster">JarScheduler.ExecutorFailed$</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/JarScheduler.GetResourceRequestDetails$.html" title="class in org.apache.gearpump.streaming.appmaster">JarScheduler.GetResourceRequestDetails$</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/JarScheduler.JarSchedulerImpl.html" title="class in org.apache.gearpump.streaming.appmaster">JarScheduler.JarSchedulerImpl</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/JarScheduler.NewDag$.html" title="class in org.apache.gearpump.streaming.appmaster">JarScheduler.NewDag$</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/JarScheduler.ResourceRequestDetail$.html" title="class in org.apache.gearpump.streaming.appmaster">JarScheduler.ResourceRequestDetail$</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/JarScheduler.ScheduleTask.html" title="class in org.apache.gearpump.streaming.appmaster">JarScheduler.ScheduleTask</a></span></code>
<div class="block">Schedule tasks for one appJar.</div>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/JarScheduler.ScheduleTask$.html" title="class in org.apache.gearpump.streaming.appmaster">JarScheduler.ScheduleTask$</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/JarScheduler.html#JarScheduler-int-java.lang.String-com.typesafe.config.Config-akka.actor.ActorRefFactory-">JarScheduler</a></span>(int&nbsp;appId,
java.lang.String&nbsp;appName,
com.typesafe.config.Config&nbsp;config,
akka.actor.ActorRefFactory&nbsp;factory)</code>&nbsp;</td>
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<td class="colFirst"><code>scala.concurrent.Future&lt;scala.Option&lt;<a href="../../../../../org/apache/gearpump/streaming/appmaster/JarScheduler.ResourceRequestDetail.html" title="class in org.apache.gearpump.streaming.appmaster">JarScheduler.ResourceRequestDetail</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/JarScheduler.html#executorFailed-int-">executorFailed</a></span>(int&nbsp;executorId)</code>
<div class="block">Some executor JVM process is dead.</div>
</td>
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<td class="colFirst"><code>scala.concurrent.Future&lt;<a href="../../../../../org/apache/gearpump/streaming/appmaster/JarScheduler.ResourceRequestDetail.html" title="class in org.apache.gearpump.streaming.appmaster">JarScheduler.ResourceRequestDetail</a>[]&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/JarScheduler.html#getResourceRequestDetails--">getResourceRequestDetails</a></span>()</code>
<div class="block">AppMaster ask JarScheduler about how many resource it wants</div>
</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code>scala.concurrent.Future&lt;scala.collection.immutable.List&lt;<a href="../../../../../org/apache/gearpump/streaming/task/TaskId.html" title="class in org.apache.gearpump.streaming.task">TaskId</a>&gt;&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/JarScheduler.html#scheduleTask-org.apache.gearpump.cluster.AppJar-org.apache.gearpump.cluster.worker.WorkerId-int-org.apache.gearpump.cluster.scheduler.Resource-">scheduleTask</a></span>(<a href="../../../../../org/apache/gearpump/cluster/AppJar.html" title="class in org.apache.gearpump.cluster">AppJar</a>&nbsp;appJar,
<a href="../../../../../org/apache/gearpump/cluster/worker/WorkerId.html" title="class in org.apache.gearpump.cluster.worker">WorkerId</a>&nbsp;workerId,
int&nbsp;executorId,
<a href="../../../../../org/apache/gearpump/cluster/scheduler/Resource.html" title="class in org.apache.gearpump.cluster.scheduler">Resource</a>&nbsp;resource)</code>
<div class="block">AppMaster has resource allocated, and ask the jar scheduler to schedule tasks
for this executor.</div>
</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/gearpump/streaming/appmaster/JarScheduler.html#setDag-org.apache.gearpump.streaming.DAG-scala.concurrent.Future-">setDag</a></span>(<a href="../../../../../org/apache/gearpump/streaming/DAG.html" title="class in org.apache.gearpump.streaming">DAG</a>&nbsp;dag,
scala.concurrent.Future&lt;java.lang.Object&gt;&nbsp;startClock)</code>
<div class="block">Set the current DAG version active</div>
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<h4>JarScheduler</h4>
<pre>public&nbsp;JarScheduler(int&nbsp;appId,
java.lang.String&nbsp;appName,
com.typesafe.config.Config&nbsp;config,
akka.actor.ActorRefFactory&nbsp;factory)</pre>
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<pre>public&nbsp;void&nbsp;setDag(<a href="../../../../../org/apache/gearpump/streaming/DAG.html" title="class in org.apache.gearpump.streaming">DAG</a>&nbsp;dag,
scala.concurrent.Future&lt;java.lang.Object&gt;&nbsp;startClock)</pre>
<div class="block">Set the current DAG version active</div>
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<h4>getResourceRequestDetails</h4>
<pre>public&nbsp;scala.concurrent.Future&lt;<a href="../../../../../org/apache/gearpump/streaming/appmaster/JarScheduler.ResourceRequestDetail.html" title="class in org.apache.gearpump.streaming.appmaster">JarScheduler.ResourceRequestDetail</a>[]&gt;&nbsp;getResourceRequestDetails()</pre>
<div class="block">AppMaster ask JarScheduler about how many resource it wants</div>
</li>
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<a name="scheduleTask-org.apache.gearpump.cluster.AppJar-org.apache.gearpump.cluster.worker.WorkerId-int-org.apache.gearpump.cluster.scheduler.Resource-">
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<h4>scheduleTask</h4>
<pre>public&nbsp;scala.concurrent.Future&lt;scala.collection.immutable.List&lt;<a href="../../../../../org/apache/gearpump/streaming/task/TaskId.html" title="class in org.apache.gearpump.streaming.task">TaskId</a>&gt;&gt;&nbsp;scheduleTask(<a href="../../../../../org/apache/gearpump/cluster/AppJar.html" title="class in org.apache.gearpump.cluster">AppJar</a>&nbsp;appJar,
<a href="../../../../../org/apache/gearpump/cluster/worker/WorkerId.html" title="class in org.apache.gearpump.cluster.worker">WorkerId</a>&nbsp;workerId,
int&nbsp;executorId,
<a href="../../../../../org/apache/gearpump/cluster/scheduler/Resource.html" title="class in org.apache.gearpump.cluster.scheduler">Resource</a>&nbsp;resource)</pre>
<div class="block">AppMaster has resource allocated, and ask the jar scheduler to schedule tasks
for this executor.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>appJar</code> - (undocumented)</dd>
<dd><code>workerId</code> - (undocumented)</dd>
<dd><code>executorId</code> - (undocumented)</dd>
<dd><code>resource</code> - (undocumented)</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>(undocumented)</dd>
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<pre>public&nbsp;scala.concurrent.Future&lt;scala.Option&lt;<a href="../../../../../org/apache/gearpump/streaming/appmaster/JarScheduler.ResourceRequestDetail.html" title="class in org.apache.gearpump.streaming.appmaster">JarScheduler.ResourceRequestDetail</a>&gt;&gt;&nbsp;executorFailed(int&nbsp;executorId)</pre>
<div class="block">Some executor JVM process is dead. AppMaster asks jar scheduler to re-schedule the impacted
tasks.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>executorId</code> - (undocumented)</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>(undocumented)</dd>
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