org.apache.hadoop.mapred

Class MapTaskCompletionEventsUpdate

java.lang.Object

org.apache.hadoop.mapred.MapTaskCompletionEventsUpdate

All Implemented Interfaces:

org.apache.hadoop.io.Writable

@InterfaceAudience.Private
 @InterfaceStability.Unstable
public class MapTaskCompletionEventsUpdate
extends Object
implements org.apache.hadoop.io.Writable

A class that represents the communication between the tasktracker and child tasks w.r.t the map task completion events. It also indicates whether the child task should reset its events index.

Constructor Summary

Constructors

Constructor and Description
MapTaskCompletionEventsUpdate()
MapTaskCompletionEventsUpdate(TaskCompletionEvent[] events, boolean reset)

Method Summary

Modifier and Type	Method and Description
TaskCompletionEvent[]	getMapTaskCompletionEvents()
void	readFields(DataInput in)
boolean	shouldReset()
void	write(DataOutput out)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MapTaskCompletionEventsUpdate

public MapTaskCompletionEventsUpdate()

MapTaskCompletionEventsUpdate

public MapTaskCompletionEventsUpdate(TaskCompletionEvent[] events,
                                     boolean reset)

Method Detail

shouldReset

public boolean shouldReset()

getMapTaskCompletionEvents

public TaskCompletionEvent[] getMapTaskCompletionEvents()

write

public void write(DataOutput out)
           throws IOException

Specified by:

write in interface org.apache.hadoop.io.Writable

Throws:

IOException

readFields

public void readFields(DataInput in)
                throws IOException

Specified by:

readFields in interface org.apache.hadoop.io.Writable

Throws:

IOException