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| <h2 title="Class TaskCompletionEvent" class="title">Class TaskCompletionEvent</h2> |
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| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Evolving |
| public class <span class="typeNameLabel">TaskCompletionEvent</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> |
| implements <a href="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></pre> |
| <div class="block">This is used to track task completion events on |
| job tracker.</div> |
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| <td class="colFirst"><code>static class </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.Status.html" title="enum in org.apache.hadoop.mapreduce">TaskCompletionEvent.Status</a></span></code> </td> |
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| <td class="colFirst"><code>static <a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html" title="class in org.apache.hadoop.mapreduce">TaskCompletionEvent</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#EMPTY_ARRAY">EMPTY_ARRAY</a></span></code> </td> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#TaskCompletionEvent--">TaskCompletionEvent</a></span>()</code> |
| <div class="block">Default constructor for Writable.</div> |
| </td> |
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| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#TaskCompletionEvent-int-org.apache.hadoop.mapreduce.TaskAttemptID-int-boolean-org.apache.hadoop.mapreduce.TaskCompletionEvent.Status-java.lang.String-">TaskCompletionEvent</a></span>(int eventId, |
| <a href="../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</a> taskId, |
| int idWithinJob, |
| boolean isMap, |
| <a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.Status.html" title="enum in org.apache.hadoop.mapreduce">TaskCompletionEvent.Status</a> status, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> taskTrackerHttp)</code> |
| <div class="block">Constructor.</div> |
| </td> |
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| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#equals-java.lang.Object-">equals</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> o)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#getEventId--">getEventId</a></span>()</code> |
| <div class="block">Returns event Id.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.Status.html" title="enum in org.apache.hadoop.mapreduce">TaskCompletionEvent.Status</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#getStatus--">getStatus</a></span>()</code> |
| <div class="block">Returns <a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.Status.html" title="enum in org.apache.hadoop.mapreduce"><code>TaskCompletionEvent.Status</code></a></div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#getTaskAttemptId--">getTaskAttemptId</a></span>()</code> |
| <div class="block">Returns task id.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#getTaskRunTime--">getTaskRunTime</a></span>()</code> |
| <div class="block">Returns time (in millisec) the task took to complete.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#getTaskTrackerHttp--">getTaskTrackerHttp</a></span>()</code> |
| <div class="block">http location of the tasktracker where this task ran.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#hashCode--">hashCode</a></span>()</code> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#idWithinJob--">idWithinJob</a></span>()</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#isMapTask--">isMapTask</a></span>()</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#readFields-java.io.DataInput-">readFields</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a> in)</code> |
| <div class="block">Deserialize the fields of this object from <code>in</code>.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#setEventId-int-">setEventId</a></span>(int eventId)</code> |
| <div class="block">set event Id.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#setTaskAttemptId-org.apache.hadoop.mapreduce.TaskAttemptID-">setTaskAttemptId</a></span>(<a href="../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</a> taskId)</code> |
| <div class="block">Sets task id.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#setTaskRunTime-int-">setTaskRunTime</a></span>(int taskCompletionTime)</code> |
| <div class="block">Set the task completion time</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#setTaskStatus-org.apache.hadoop.mapreduce.TaskCompletionEvent.Status-">setTaskStatus</a></span>(<a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.Status.html" title="enum in org.apache.hadoop.mapreduce">TaskCompletionEvent.Status</a> status)</code> |
| <div class="block">Set task status.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#setTaskTrackerHttp-java.lang.String-">setTaskTrackerHttp</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> taskTrackerHttp)</code> |
| <div class="block">Set task tracker http location.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#toString--">toString</a></span>()</code> </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html#write-java.io.DataOutput-">write</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</a> out)</code> |
| <div class="block">Serialize the fields of this object to <code>out</code>.</div> |
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| <h4>EMPTY_ARRAY</h4> |
| <pre>public static final <a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.html" title="class in org.apache.hadoop.mapreduce">TaskCompletionEvent</a>[] EMPTY_ARRAY</pre> |
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| <h4>TaskCompletionEvent</h4> |
| <pre>public TaskCompletionEvent()</pre> |
| <div class="block">Default constructor for Writable.</div> |
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| <a name="TaskCompletionEvent-int-org.apache.hadoop.mapreduce.TaskAttemptID-int-boolean-org.apache.hadoop.mapreduce.TaskCompletionEvent.Status-java.lang.String-"> |
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| <h4>TaskCompletionEvent</h4> |
| <pre>public TaskCompletionEvent(int eventId, |
| <a href="../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</a> taskId, |
| int idWithinJob, |
| boolean isMap, |
| <a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.Status.html" title="enum in org.apache.hadoop.mapreduce">TaskCompletionEvent.Status</a> status, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> taskTrackerHttp)</pre> |
| <div class="block">Constructor. eventId should be created externally and incremented |
| per event for each job.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>eventId</code> - event id, event id should be unique and assigned in |
| incrementally, starting from 0.</dd> |
| <dd><code>taskId</code> - task id</dd> |
| <dd><code>status</code> - task's status</dd> |
| <dd><code>taskTrackerHttp</code> - task tracker's host:port for http.</dd> |
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| </li> |
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| <h4>getEventId</h4> |
| <pre>public int getEventId()</pre> |
| <div class="block">Returns event Id.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>event id</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getTaskAttemptId--"> |
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| <h4>getTaskAttemptId</h4> |
| <pre>public <a href="../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</a> getTaskAttemptId()</pre> |
| <div class="block">Returns task id.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>task id</dd> |
| </dl> |
| </li> |
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| <h4>getStatus</h4> |
| <pre>public <a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.Status.html" title="enum in org.apache.hadoop.mapreduce">TaskCompletionEvent.Status</a> getStatus()</pre> |
| <div class="block">Returns <a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.Status.html" title="enum in org.apache.hadoop.mapreduce"><code>TaskCompletionEvent.Status</code></a></div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>task completion status</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getTaskTrackerHttp--"> |
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| <h4>getTaskTrackerHttp</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getTaskTrackerHttp()</pre> |
| <div class="block">http location of the tasktracker where this task ran.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>http location of tasktracker user logs</dd> |
| </dl> |
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| <h4>getTaskRunTime</h4> |
| <pre>public int getTaskRunTime()</pre> |
| <div class="block">Returns time (in millisec) the task took to complete.</div> |
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| <h4>setTaskRunTime</h4> |
| <pre>protected void setTaskRunTime(int taskCompletionTime)</pre> |
| <div class="block">Set the task completion time</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>taskCompletionTime</code> - time (in millisec) the task took to complete</dd> |
| </dl> |
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| <h4>setEventId</h4> |
| <pre>protected void setEventId(int eventId)</pre> |
| <div class="block">set event Id. should be assigned incrementally starting from 0.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>eventId</code> - </dd> |
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| <h4>setTaskAttemptId</h4> |
| <pre>protected void setTaskAttemptId(<a href="../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</a> taskId)</pre> |
| <div class="block">Sets task id.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>taskId</code> - </dd> |
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| <h4>setTaskStatus</h4> |
| <pre>protected void setTaskStatus(<a href="../../../../org/apache/hadoop/mapreduce/TaskCompletionEvent.Status.html" title="enum in org.apache.hadoop.mapreduce">TaskCompletionEvent.Status</a> status)</pre> |
| <div class="block">Set task status.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>status</code> - </dd> |
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| <h4>setTaskTrackerHttp</h4> |
| <pre>protected void setTaskTrackerHttp(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> taskTrackerHttp)</pre> |
| <div class="block">Set task tracker http location.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>taskTrackerHttp</code> - </dd> |
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| <h4>toString</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> toString()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a></code> in class <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd> |
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| <h4>equals</h4> |
| <pre>public boolean equals(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> o)</pre> |
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| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a></code> in class <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd> |
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| <h4>hashCode</h4> |
| <pre>public int hashCode()</pre> |
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| <h4>isMapTask</h4> |
| <pre>public boolean isMapTask()</pre> |
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| <h4>idWithinJob</h4> |
| <pre>public int idWithinJob()</pre> |
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| <h4>write</h4> |
| <pre>public void write(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataOutput.html?is-external=true" title="class or interface in java.io">DataOutput</a> out) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/hadoop/io/Writable.html#write-java.io.DataOutput-">Writable</a></code></span></div> |
| <div class="block">Serialize the fields of this object to <code>out</code>.</div> |
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| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/hadoop/io/Writable.html#write-java.io.DataOutput-">write</a></code> in interface <code><a href="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>out</code> - <code>DataOuput</code> to serialize this object into.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - any other problem for write.</dd> |
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| <h4>readFields</h4> |
| <pre>public void readFields(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/DataInput.html?is-external=true" title="class or interface in java.io">DataInput</a> in) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/hadoop/io/Writable.html#readFields-java.io.DataInput-">Writable</a></code></span></div> |
| <div class="block">Deserialize the fields of this object from <code>in</code>. |
| |
| <p>For efficiency, implementations should attempt to re-use storage in the |
| existing object where possible.</p></div> |
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| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/hadoop/io/Writable.html#readFields-java.io.DataInput-">readFields</a></code> in interface <code><a href="../../../../org/apache/hadoop/io/Writable.html" title="interface in org.apache.hadoop.io">Writable</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>in</code> - <code>DataInput</code> to deseriablize this object from.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - any other problem for readFields.</dd> |
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