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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.nemo.runtime.master.resource</a></div>
<h2 title="Class DefaultExecutorRepresenter" class="title">Class DefaultExecutorRepresenter</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
<li>
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<li>org.apache.nemo.runtime.master.resource.DefaultExecutorRepresenter</li>
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<dd><code><a href="ExecutorRepresenter.html" title="interface in org.apache.nemo.runtime.master.resource">ExecutorRepresenter</a></code></dd>
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<pre>@NotThreadSafe
public final class <span class="typeNameLabel">DefaultExecutorRepresenter</span>
extends java.lang.Object
implements <a href="ExecutorRepresenter.html" title="interface in org.apache.nemo.runtime.master.resource">ExecutorRepresenter</a></pre>
<div class="block">(WARNING) This class is not thread-safe, and thus should only be accessed through ExecutorRegistry.
<p>
Implements ExecutorRepresenter that communicates with Executors running on traditional resources
(e.g., virtual machines or cluster resources).</div>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.lang.String,org.apache.nemo.common.ir.executionproperty.ResourceSpecification,org.apache.nemo.runtime.common.message.MessageSender,org.apache.reef.driver.context.ActiveContext,java.util.concurrent.ExecutorService,java.lang.String)">DefaultExecutorRepresenter</a></span>&#8203;(java.lang.String&nbsp;executorId,
<a href="../../../common/ir/executionproperty/ResourceSpecification.html" title="class in org.apache.nemo.common.ir.executionproperty">ResourceSpecification</a>&nbsp;resourceSpecification,
<a href="../../common/message/MessageSender.html" title="interface in org.apache.nemo.runtime.common.message">MessageSender</a>&lt;<a href="../../common/comm/ControlMessage.Message.html" title="class in org.apache.nemo.runtime.common.comm">ControlMessage.Message</a>&gt;&nbsp;messageSender,
org.apache.reef.driver.context.ActiveContext&nbsp;activeContext,
java.util.concurrent.ExecutorService&nbsp;serializationExecutorService,
java.lang.String&nbsp;nodeName)</code></th>
<td class="colLast">
<div class="block">Creates a reference to the specified executor.</div>
</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getContainerType()">getContainerType</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getExecutorCapacity()">getExecutorCapacity</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getExecutorId()">getExecutorId</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNodeName()">getNodeName</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNumOfComplyingRunningTasks()">getNumOfComplyingRunningTasks</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNumOfRunningTasks()">getNumOfRunningTasks</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>java.util.Set&lt;<a href="../../common/plan/Task.html" title="class in org.apache.nemo.runtime.common.plan">Task</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getRunningTasks()">getRunningTasks</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>java.util.Set&lt;java.lang.String&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#onExecutorFailed()">onExecutorFailed</a></span>()</code></th>
<td class="colLast">
<div class="block">Marks all Tasks which were running in this executor as failed.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#onTaskExecutionComplete(java.lang.String)">onTaskExecutionComplete</a></span>&#8203;(java.lang.String&nbsp;taskId)</code></th>
<td class="colLast">
<div class="block">Marks the specified Task as completed.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#onTaskExecutionFailed(java.lang.String)">onTaskExecutionFailed</a></span>&#8203;(java.lang.String&nbsp;taskId)</code></th>
<td class="colLast">
<div class="block">Marks the specified Task as failed.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#onTaskScheduled(org.apache.nemo.runtime.common.plan.Task)">onTaskScheduled</a></span>&#8203;(<a href="../../common/plan/Task.html" title="class in org.apache.nemo.runtime.common.plan">Task</a>&nbsp;task)</code></th>
<td class="colLast">
<div class="block">Marks the Task as running, and sends scheduling message to the executor.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#sendControlMessage(org.apache.nemo.runtime.common.comm.ControlMessage.Message)">sendControlMessage</a></span>&#8203;(<a href="../../common/comm/ControlMessage.Message.html" title="class in org.apache.nemo.runtime.common.comm">ControlMessage.Message</a>&nbsp;message)</code></th>
<td class="colLast">
<div class="block">Sends control message to the executor.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#shutDown()">shutDown</a></span>()</code></th>
<td class="colLast">
<div class="block">Shuts down this executor.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#toString()">toString</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</code></li>
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<h3>Constructor Detail</h3>
<a id="&lt;init&gt;(java.lang.String,org.apache.nemo.common.ir.executionproperty.ResourceSpecification,org.apache.nemo.runtime.common.message.MessageSender,org.apache.reef.driver.context.ActiveContext,java.util.concurrent.ExecutorService,java.lang.String)">
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<h4>DefaultExecutorRepresenter</h4>
<pre>public&nbsp;DefaultExecutorRepresenter&#8203;(java.lang.String&nbsp;executorId,
<a href="../../../common/ir/executionproperty/ResourceSpecification.html" title="class in org.apache.nemo.common.ir.executionproperty">ResourceSpecification</a>&nbsp;resourceSpecification,
<a href="../../common/message/MessageSender.html" title="interface in org.apache.nemo.runtime.common.message">MessageSender</a>&lt;<a href="../../common/comm/ControlMessage.Message.html" title="class in org.apache.nemo.runtime.common.comm">ControlMessage.Message</a>&gt;&nbsp;messageSender,
org.apache.reef.driver.context.ActiveContext&nbsp;activeContext,
java.util.concurrent.ExecutorService&nbsp;serializationExecutorService,
java.lang.String&nbsp;nodeName)</pre>
<div class="block">Creates a reference to the specified executor.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>executorId</code> - the executor id</dd>
<dd><code>resourceSpecification</code> - specification for the executor</dd>
<dd><code>messageSender</code> - provides communication context for this executor</dd>
<dd><code>activeContext</code> - context on the corresponding REEF evaluator</dd>
<dd><code>serializationExecutorService</code> - provides threads for message serialization</dd>
<dd><code>nodeName</code> - physical name of the node where this executor resides</dd>
</dl>
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</ul>
</li>
</ul>
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<h3>Method Detail</h3>
<a id="onExecutorFailed()">
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<h4>onExecutorFailed</h4>
<pre class="methodSignature">public&nbsp;java.util.Set&lt;java.lang.String&gt;&nbsp;onExecutorFailed()</pre>
<div class="block">Marks all Tasks which were running in this executor as failed.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="ExecutorRepresenter.html#onExecutorFailed()">onExecutorFailed</a></code>&nbsp;in interface&nbsp;<code><a href="ExecutorRepresenter.html" title="interface in org.apache.nemo.runtime.master.resource">ExecutorRepresenter</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>set of identifiers of tasks that were running in this executor.</dd>
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<a id="onTaskScheduled(org.apache.nemo.runtime.common.plan.Task)">
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<h4>onTaskScheduled</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;onTaskScheduled&#8203;(<a href="../../common/plan/Task.html" title="class in org.apache.nemo.runtime.common.plan">Task</a>&nbsp;task)</pre>
<div class="block">Marks the Task as running, and sends scheduling message to the executor.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="ExecutorRepresenter.html#onTaskScheduled(org.apache.nemo.runtime.common.plan.Task)">onTaskScheduled</a></code>&nbsp;in interface&nbsp;<code><a href="ExecutorRepresenter.html" title="interface in org.apache.nemo.runtime.master.resource">ExecutorRepresenter</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>task</code> - the task to run</dd>
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<a id="sendControlMessage(org.apache.nemo.runtime.common.comm.ControlMessage.Message)">
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<h4>sendControlMessage</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;sendControlMessage&#8203;(<a href="../../common/comm/ControlMessage.Message.html" title="class in org.apache.nemo.runtime.common.comm">ControlMessage.Message</a>&nbsp;message)</pre>
<div class="block">Sends control message to the executor.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="ExecutorRepresenter.html#sendControlMessage(org.apache.nemo.runtime.common.comm.ControlMessage.Message)">sendControlMessage</a></code>&nbsp;in interface&nbsp;<code><a href="ExecutorRepresenter.html" title="interface in org.apache.nemo.runtime.master.resource">ExecutorRepresenter</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>message</code> - Message object to send</dd>
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<h4>onTaskExecutionComplete</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;onTaskExecutionComplete&#8203;(java.lang.String&nbsp;taskId)</pre>
<div class="block">Marks the specified Task as completed.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="ExecutorRepresenter.html#onTaskExecutionComplete(java.lang.String)">onTaskExecutionComplete</a></code>&nbsp;in interface&nbsp;<code><a href="ExecutorRepresenter.html" title="interface in org.apache.nemo.runtime.master.resource">ExecutorRepresenter</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>taskId</code> - id of the completed task</dd>
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<h4>onTaskExecutionFailed</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;onTaskExecutionFailed&#8203;(java.lang.String&nbsp;taskId)</pre>
<div class="block">Marks the specified Task as failed.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="ExecutorRepresenter.html#onTaskExecutionFailed(java.lang.String)">onTaskExecutionFailed</a></code>&nbsp;in interface&nbsp;<code><a href="ExecutorRepresenter.html" title="interface in org.apache.nemo.runtime.master.resource">ExecutorRepresenter</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>taskId</code> - id of the Task</dd>
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<h4>getExecutorCapacity</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;getExecutorCapacity()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="ExecutorRepresenter.html#getExecutorCapacity()">getExecutorCapacity</a></code>&nbsp;in interface&nbsp;<code><a href="ExecutorRepresenter.html" title="interface in org.apache.nemo.runtime.master.resource">ExecutorRepresenter</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>how many Tasks can this executor simultaneously run</dd>
</dl>
</li>
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<a id="getRunningTasks()">
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<h4>getRunningTasks</h4>
<pre class="methodSignature">public&nbsp;java.util.Set&lt;<a href="../../common/plan/Task.html" title="class in org.apache.nemo.runtime.common.plan">Task</a>&gt;&nbsp;getRunningTasks()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="ExecutorRepresenter.html#getRunningTasks()">getRunningTasks</a></code>&nbsp;in interface&nbsp;<code><a href="ExecutorRepresenter.html" title="interface in org.apache.nemo.runtime.master.resource">ExecutorRepresenter</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the current snapshot of set of Tasks that are running in this executor.</dd>
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<h4>getNumOfRunningTasks</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;getNumOfRunningTasks()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="ExecutorRepresenter.html#getNumOfRunningTasks()">getNumOfRunningTasks</a></code>&nbsp;in interface&nbsp;<code><a href="ExecutorRepresenter.html" title="interface in org.apache.nemo.runtime.master.resource">ExecutorRepresenter</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of running <a href="../../common/plan/Task.html" title="class in org.apache.nemo.runtime.common.plan"><code>Task</code></a>s.</dd>
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<h4>getNumOfComplyingRunningTasks</h4>
<pre class="methodSignature">public&nbsp;int&nbsp;getNumOfComplyingRunningTasks()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="ExecutorRepresenter.html#getNumOfComplyingRunningTasks()">getNumOfComplyingRunningTasks</a></code>&nbsp;in interface&nbsp;<code><a href="ExecutorRepresenter.html" title="interface in org.apache.nemo.runtime.master.resource">ExecutorRepresenter</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of running <a href="../../common/plan/Task.html" title="class in org.apache.nemo.runtime.common.plan"><code>Task</code></a>s that complies to the executor slot restriction.</dd>
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<h4>getExecutorId</h4>
<pre class="methodSignature">public&nbsp;java.lang.String&nbsp;getExecutorId()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="ExecutorRepresenter.html#getExecutorId()">getExecutorId</a></code>&nbsp;in interface&nbsp;<code><a href="ExecutorRepresenter.html" title="interface in org.apache.nemo.runtime.master.resource">ExecutorRepresenter</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the executor id</dd>
</dl>
</li>
</ul>
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<h4>getContainerType</h4>
<pre class="methodSignature">public&nbsp;java.lang.String&nbsp;getContainerType()</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="ExecutorRepresenter.html#getContainerType()">getContainerType</a></code>&nbsp;in interface&nbsp;<code><a href="ExecutorRepresenter.html" title="interface in org.apache.nemo.runtime.master.resource">ExecutorRepresenter</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the container type</dd>
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<h4>getNodeName</h4>
<pre class="methodSignature">public&nbsp;java.lang.String&nbsp;getNodeName()</pre>
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<dd><code><a href="ExecutorRepresenter.html#getNodeName()">getNodeName</a></code>&nbsp;in interface&nbsp;<code><a href="ExecutorRepresenter.html" title="interface in org.apache.nemo.runtime.master.resource">ExecutorRepresenter</a></code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>physical name of the node where this executor resides</dd>
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<h4>shutDown</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;shutDown()</pre>
<div class="block">Shuts down this executor.</div>
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<dd><code><a href="ExecutorRepresenter.html#shutDown()">shutDown</a></code>&nbsp;in interface&nbsp;<code><a href="ExecutorRepresenter.html" title="interface in org.apache.nemo.runtime.master.resource">ExecutorRepresenter</a></code></dd>
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<h4>toString</h4>
<pre class="methodSignature">public&nbsp;java.lang.String&nbsp;toString()</pre>
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<dd><code>toString</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>
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