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java.lang.Objectorg.apache.hadoop.mapred.TaskCompletionEvent
public class TaskCompletionEvent
This is used to track task completion events on job tracker.
| Nested Class Summary | |
|---|---|
static class |
TaskCompletionEvent.Status
|
| Field Summary | |
|---|---|
static TaskCompletionEvent[] |
EMPTY_ARRAY
|
| Constructor Summary | |
|---|---|
TaskCompletionEvent()
Default constructor for Writable. |
|
TaskCompletionEvent(int eventId,
TaskAttemptID taskId,
int idWithinJob,
boolean isMap,
TaskCompletionEvent.Status status,
String taskTrackerHttp)
Constructor. |
|
| Method Summary | |
|---|---|
boolean |
equals(Object o)
|
int |
getEventId()
Returns event Id. |
TaskAttemptID |
getTaskAttemptId()
Returns task id. |
String |
getTaskId()
Deprecated. use getTaskAttemptId() instead. |
int |
getTaskRunTime()
Returns time (in millisec) the task took to complete. |
TaskCompletionEvent.Status |
getTaskStatus()
Returns enum Status.SUCESS or Status.FAILURE. |
String |
getTaskTrackerHttp()
http location of the tasktracker where this task ran. |
int |
hashCode()
|
int |
idWithinJob()
|
boolean |
isMapTask()
|
void |
readFields(DataInput in)
Deserialize the fields of this object from in. |
void |
setEventId(int eventId)
set event Id. |
void |
setTaskId(String taskId)
Deprecated. use setTaskID(TaskAttemptID) instead. |
void |
setTaskID(TaskAttemptID taskId)
Sets task id. |
void |
setTaskRunTime(int taskCompletionTime)
Set the task completion time |
void |
setTaskStatus(TaskCompletionEvent.Status status)
Set task status. |
void |
setTaskTrackerHttp(String taskTrackerHttp)
Set task tracker http location. |
String |
toString()
|
void |
write(DataOutput out)
Serialize the fields of this object to out. |
| Methods inherited from class java.lang.Object |
|---|
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
| Field Detail |
|---|
public static final TaskCompletionEvent[] EMPTY_ARRAY
| Constructor Detail |
|---|
public TaskCompletionEvent()
public TaskCompletionEvent(int eventId,
TaskAttemptID 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 |
|---|
public int getEventId()
@Deprecated public String getTaskId()
getTaskAttemptId() instead.
public TaskAttemptID getTaskAttemptId()
public TaskCompletionEvent.Status getTaskStatus()
public String getTaskTrackerHttp()
public int getTaskRunTime()
public void setTaskRunTime(int taskCompletionTime)
taskCompletionTime - time (in millisec) the task took to completepublic void setEventId(int eventId)
eventId - @Deprecated public void setTaskId(String taskId)
setTaskID(TaskAttemptID) instead.
taskId - public void setTaskID(TaskAttemptID taskId)
taskId - public void setTaskStatus(TaskCompletionEvent.Status status)
status - public void setTaskTrackerHttp(String taskTrackerHttp)
taskTrackerHttp - public String toString()
toString in class Objectpublic boolean equals(Object o)
equals in class Objectpublic int hashCode()
hashCode in class Objectpublic boolean isMapTask()
public int idWithinJob()
public void write(DataOutput out)
throws IOException
Writableout.
write in interface Writableout - DataOuput to serialize this object into.
IOException
public void readFields(DataInput in)
throws IOException
Writablein.
For efficiency, implementations should attempt to re-use storage in the existing object where possible.
readFields in interface Writablein - DataInput to deseriablize this object from.
IOException
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