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| <h2 title="Interface TaskAttemptListener" class="title">Interface TaskAttemptListener</h2> |
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| <pre>public interface <span class="typeNameLabel">TaskAttemptListener</span></pre> |
| <div class="block">This class listens for changes to the state of a Task.</div> |
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| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/app/TaskAttemptListener.html#getAddress--">getAddress</a></span>()</code> </td> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/app/TaskAttemptListener.html#registerLaunchedTask-org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId-org.apache.hadoop.mapred.WrappedJvmID-">registerLaunchedTask</a></span>(org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId attemptID, |
| <a href="../../../../../../org/apache/hadoop/mapred/WrappedJvmID.html" title="class in org.apache.hadoop.mapred">WrappedJvmID</a> jvmID)</code> |
| <div class="block">Register task attempt.</div> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/mapreduce/v2/app/TaskAttemptListener.html#registerPendingTask-org.apache.hadoop.mapred.Task-org.apache.hadoop.mapred.WrappedJvmID-">registerPendingTask</a></span>(org.apache.hadoop.mapred.Task task, |
| <a href="../../../../../../org/apache/hadoop/mapred/WrappedJvmID.html" title="class in org.apache.hadoop.mapred">WrappedJvmID</a> jvmID)</code> |
| <div class="block">Register a JVM with the listener.</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/hadoop/mapreduce/v2/app/TaskAttemptListener.html#unregister-org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId-org.apache.hadoop.mapred.WrappedJvmID-">unregister</a></span>(org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId attemptID, |
| <a href="../../../../../../org/apache/hadoop/mapred/WrappedJvmID.html" title="class in org.apache.hadoop.mapred">WrappedJvmID</a> jvmID)</code> |
| <div class="block">Unregister the JVM and the attempt associated with it.</div> |
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| <h4>getAddress</h4> |
| <pre><a href="https://docs.oracle.com/javase/8/docs/api/java/net/InetSocketAddress.html?is-external=true" title="class or interface in java.net">InetSocketAddress</a> getAddress()</pre> |
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| <h4>registerPendingTask</h4> |
| <pre>void registerPendingTask(org.apache.hadoop.mapred.Task task, |
| <a href="../../../../../../org/apache/hadoop/mapred/WrappedJvmID.html" title="class in org.apache.hadoop.mapred">WrappedJvmID</a> jvmID)</pre> |
| <div class="block">Register a JVM with the listener. This should be called as soon as a |
| JVM ID is assigned to a task attempt, before it has been launched.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>task</code> - the task itself for this JVM.</dd> |
| <dd><code>jvmID</code> - The ID of the JVM .</dd> |
| </dl> |
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| <h4>registerLaunchedTask</h4> |
| <pre>void registerLaunchedTask(org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId attemptID, |
| <a href="../../../../../../org/apache/hadoop/mapred/WrappedJvmID.html" title="class in org.apache.hadoop.mapred">WrappedJvmID</a> jvmID)</pre> |
| <div class="block">Register task attempt. This should be called when the JVM has been |
| launched.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>attemptID</code> - the id of the attempt for this JVM.</dd> |
| <dd><code>jvmID</code> - the ID of the JVM.</dd> |
| </dl> |
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| <h4>unregister</h4> |
| <pre>void unregister(org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId attemptID, |
| <a href="../../../../../../org/apache/hadoop/mapred/WrappedJvmID.html" title="class in org.apache.hadoop.mapred">WrappedJvmID</a> jvmID)</pre> |
| <div class="block">Unregister the JVM and the attempt associated with it. This should be |
| called when the attempt/JVM has finished executing and is being cleaned up.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>attemptID</code> - the ID of the attempt.</dd> |
| <dd><code>jvmID</code> - the ID of the JVM for that attempt.</dd> |
| </dl> |
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