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<h2 title="Class TaskRegistry" class="title">Class TaskRegistry</h2>
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<li>java.lang.Object</li>
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<pre>public class <span class="typeNameLabel">TaskRegistry</span>
extends java.lang.Object</pre>
<div class="block">Tracks the registration of all tasks, when the application is booting up.</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/TaskRegistry.Accept$.html" title="class in org.apache.gearpump.streaming.appmaster">TaskRegistry.Accept$</a></span></code>&nbsp;</td>
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<tr class="rowColor">
<td class="colFirst"><code>static interface&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.RegisterTaskStatus.html" title="interface in org.apache.gearpump.streaming.appmaster">TaskRegistry.RegisterTaskStatus</a></span></code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>static class&nbsp;</code></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/TaskRegistry.TaskLocation.html" title="class in org.apache.gearpump.streaming.appmaster">TaskRegistry.TaskLocation</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>static class&nbsp;</code></td>
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<tr class="rowColor">
<td class="colFirst"><code>static class&nbsp;</code></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/TaskRegistry.TaskLocations$.html" title="class in org.apache.gearpump.streaming.appmaster">TaskRegistry.TaskLocations$</a></span></code>&nbsp;</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.html#TaskRegistry-scala.collection.immutable.List-scala.collection.immutable.Map-scala.collection.immutable.Set-">TaskRegistry</a></span>(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;&nbsp;expectedTasks,
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<th class="colFirst" scope="col">Modifier and Type</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code><a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.html" title="class in org.apache.gearpump.streaming.appmaster">TaskRegistry</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.html#copy-scala.collection.immutable.List-scala.collection.immutable.Map-scala.collection.immutable.Set-">copy</a></span>(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;&nbsp;expectedTasks,
scala.collection.immutable.Map&lt;<a href="../../../../../org/apache/gearpump/streaming/task/TaskId.html" title="class in org.apache.gearpump.streaming.task">TaskId</a>,<a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.TaskLocation.html" title="class in org.apache.gearpump.streaming.appmaster">TaskRegistry.TaskLocation</a>&gt;&nbsp;registeredTasks,
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<td class="colFirst"><code>scala.collection.immutable.Set&lt;<a href="../../../../../org/apache/gearpump/streaming/task/TaskId.html" title="class in org.apache.gearpump.streaming.task">TaskId</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.html#deadTasks--">deadTasks</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>scala.collection.immutable.List&lt;java.lang.Object&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.html#executors--">executors</a></span>()</code>
<div class="block">Gets list of allocated executor Ids</div>
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<td class="colFirst"><code>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;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.html#expectedTasks--">expectedTasks</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>scala.Option&lt;java.lang.Object&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.html#getExecutorId-org.apache.gearpump.streaming.task.TaskId-">getExecutorId</a></span>(<a href="../../../../../org/apache/gearpump/streaming/task/TaskId.html" title="class in org.apache.gearpump.streaming.task">TaskId</a>&nbsp;taskId)</code>
<div class="block">Query the executor Id where the task is running on</div>
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<td class="colFirst"><code>scala.collection.immutable.Map&lt;<a href="../../../../../org/apache/gearpump/streaming/task/TaskId.html" title="class in org.apache.gearpump.streaming.task">TaskId</a>,java.lang.Object&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.html#getTaskExecutorMap--">getTaskExecutorMap</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.TaskLocations.html" title="class in org.apache.gearpump.streaming.appmaster">TaskRegistry.TaskLocations</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.html#getTaskLocations--">getTaskLocations</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.html#isAllTasksRegistered--">isAllTasksRegistered</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.html#isTaskRegisteredForExecutor-int-">isTaskRegisteredForExecutor</a></span>(int&nbsp;executorId)</code>&nbsp;</td>
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<tr id="i9" class="rowColor">
<td class="colFirst"><code>scala.collection.immutable.Map&lt;java.lang.Object,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/TaskRegistry.html#processorExecutors-int-">processorExecutors</a></span>(int&nbsp;processorId)</code>
<div class="block">List of executors that current processor taks are running on</div>
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<td class="colFirst"><code>scala.collection.immutable.Map&lt;<a href="../../../../../org/apache/gearpump/streaming/task/TaskId.html" title="class in org.apache.gearpump.streaming.task">TaskId</a>,<a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.TaskLocation.html" title="class in org.apache.gearpump.streaming.appmaster">TaskRegistry.TaskLocation</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.html#registeredTasks--">registeredTasks</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.RegisterTaskStatus.html" title="interface in org.apache.gearpump.streaming.appmaster">TaskRegistry.RegisterTaskStatus</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.html#registerTask-org.apache.gearpump.streaming.task.TaskId-org.apache.gearpump.streaming.appmaster.TaskRegistry.TaskLocation-">registerTask</a></span>(<a href="../../../../../org/apache/gearpump/streaming/task/TaskId.html" title="class in org.apache.gearpump.streaming.task">TaskId</a>&nbsp;taskId,
<a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.TaskLocation.html" title="class in org.apache.gearpump.streaming.appmaster">TaskRegistry.TaskLocation</a>&nbsp;location)</code>
<div class="block">When a task is booted, it need to call registerTask to register itself.</div>
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<td class="colFirst"><code><a href="../../../../../org/apache/gearpump/streaming/appmaster/ExecutorManager.ExecutorResourceUsageSummary.html" title="class in org.apache.gearpump.streaming.appmaster">ExecutorManager.ExecutorResourceUsageSummary</a></code></td>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
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<pre>public&nbsp;TaskRegistry(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;&nbsp;expectedTasks,
scala.collection.immutable.Map&lt;<a href="../../../../../org/apache/gearpump/streaming/task/TaskId.html" title="class in org.apache.gearpump.streaming.task">TaskId</a>,<a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.TaskLocation.html" title="class in org.apache.gearpump.streaming.appmaster">TaskRegistry.TaskLocation</a>&gt;&nbsp;registeredTasks,
scala.collection.immutable.Set&lt;<a href="../../../../../org/apache/gearpump/streaming/task/TaskId.html" title="class in org.apache.gearpump.streaming.task">TaskId</a>&gt;&nbsp;deadTasks)</pre>
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<pre>public&nbsp;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;&nbsp;expectedTasks()</pre>
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<pre>public&nbsp;scala.collection.immutable.Map&lt;<a href="../../../../../org/apache/gearpump/streaming/task/TaskId.html" title="class in org.apache.gearpump.streaming.task">TaskId</a>,<a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.TaskLocation.html" title="class in org.apache.gearpump.streaming.appmaster">TaskRegistry.TaskLocation</a>&gt;&nbsp;registeredTasks()</pre>
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<h4>registerTask</h4>
<pre>public&nbsp;<a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.RegisterTaskStatus.html" title="interface in org.apache.gearpump.streaming.appmaster">TaskRegistry.RegisterTaskStatus</a>&nbsp;registerTask(<a href="../../../../../org/apache/gearpump/streaming/task/TaskId.html" title="class in org.apache.gearpump.streaming.task">TaskId</a>&nbsp;taskId,
<a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.TaskLocation.html" title="class in org.apache.gearpump.streaming.appmaster">TaskRegistry.TaskLocation</a>&nbsp;location)</pre>
<div class="block">When a task is booted, it need to call registerTask to register itself.
If this task is valid, then accept it, otherwise reject it.
<p></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>taskId</code> - Task that register itself to TaskRegistry.</dd>
<dd><code>location</code> - The host and port where this task is running on. NOTE: The host and port
is NOT the same host and port of Akka remoting. Instead, it is host and port
of custom netty layer, see <a href="../../../../../org/apache/gearpump/transport/netty/Context.html" title="class in org.apache.gearpump.transport.netty"><code>Context</code></a>.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>(undocumented)</dd>
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<pre>public&nbsp;<a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.html" title="class in org.apache.gearpump.streaming.appmaster">TaskRegistry</a>&nbsp;copy(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;&nbsp;expectedTasks,
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<pre>public&nbsp;<a href="../../../../../org/apache/gearpump/streaming/appmaster/TaskRegistry.TaskLocations.html" title="class in org.apache.gearpump.streaming.appmaster">TaskRegistry.TaskLocations</a>&nbsp;getTaskLocations()</pre>
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<pre>public&nbsp;scala.Option&lt;java.lang.Object&gt;&nbsp;getExecutorId(<a href="../../../../../org/apache/gearpump/streaming/task/TaskId.html" title="class in org.apache.gearpump.streaming.task">TaskId</a>&nbsp;taskId)</pre>
<div class="block">Query the executor Id where the task is running on</div>
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<pre>public&nbsp;scala.collection.immutable.List&lt;java.lang.Object&gt;&nbsp;executors()</pre>
<div class="block">Gets list of allocated executor Ids</div>
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<pre>public&nbsp;boolean&nbsp;isAllTasksRegistered()</pre>
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<pre>public&nbsp;boolean&nbsp;isTaskRegisteredForExecutor(int&nbsp;executorId)</pre>
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<pre>public&nbsp;scala.collection.immutable.Map&lt;java.lang.Object,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;processorExecutors(int&nbsp;processorId)</pre>
<div class="block">List of executors that current processor taks are running on</div>
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<pre>public&nbsp;<a href="../../../../../org/apache/gearpump/streaming/appmaster/ExecutorManager.ExecutorResourceUsageSummary.html" title="class in org.apache.gearpump.streaming.appmaster">ExecutorManager.ExecutorResourceUsageSummary</a>&nbsp;usedResource()</pre>
<div class="block">Summary about how many resources are used for all running tasks</div>
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