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java.lang.Object org.apache.hadoop.mapred.TaskCompletionEvent
public class TaskCompletionEvent
This is used to track task completion events on job tracker.
Nested Class Summary | |
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static class |
TaskCompletionEvent.Status
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Field Summary | |
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static TaskCompletionEvent[] |
EMPTY_ARRAY
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Constructor Summary | |
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TaskCompletionEvent()
Default constructor for Writable. |
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TaskCompletionEvent(int eventId,
String taskId,
int idWithinJob,
boolean isMap,
TaskCompletionEvent.Status status,
String taskTrackerHttp)
Constructor. |
Method Summary | |
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int |
getEventId()
Returns event Id. |
String |
getTaskId()
Returns task id. |
TaskCompletionEvent.Status |
getTaskStatus()
Returns enum Status.SUCESS or Status.FAILURE. |
String |
getTaskTrackerHttp()
http location of the tasktracker where this task ran. |
int |
idWithinJob()
|
boolean |
isMapTask()
|
void |
readFields(DataInput in)
Reads the fields of this object from in . |
void |
setEventId(int eventId)
set event Id. |
void |
setTaskId(String taskId)
Sets task id. |
void |
setTaskStatus(TaskCompletionEvent.Status status)
Set task status. |
void |
setTaskTrackerHttp(String taskTrackerHttp)
Set task tracker http location. |
String |
toString()
|
void |
write(DataOutput out)
Writes the fields of this object to out . |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static final TaskCompletionEvent[] EMPTY_ARRAY
Constructor Detail |
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public TaskCompletionEvent()
public TaskCompletionEvent(int eventId, String taskId, int idWithinJob, boolean isMap, TaskCompletionEvent.Status status, String taskTrackerHttp)
eventId
- event id, event id should be unique and assigned in
incrementally, starting from 0.taskId
- task idstatus
- task's statustaskTrackerHttp
- task tracker's host:port for http.Method Detail |
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public int getEventId()
public String getTaskId()
public TaskCompletionEvent.Status getTaskStatus()
public String getTaskTrackerHttp()
public void setEventId(int eventId)
eventId
- public void setTaskId(String taskId)
taskId
- public void setTaskStatus(TaskCompletionEvent.Status status)
status
- public void setTaskTrackerHttp(String taskTrackerHttp)
taskTrackerHttp
- public String toString()
toString
in class Object
public boolean isMapTask()
public int idWithinJob()
public void write(DataOutput out) throws IOException
Writable
out
.
write
in interface Writable
IOException
public void readFields(DataInput in) throws IOException
Writable
in
. For efficiency,
implementations should attempt to re-use storage in the existing object
where possible.
readFields
in interface Writable
IOException
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