org.apache.hadoop.mapreduce.jobhistory

Class TaskStartedEvent

java.lang.Object

org.apache.hadoop.mapreduce.jobhistory.TaskStartedEvent

All Implemented Interfaces:

HistoryEvent

@InterfaceAudience.Private
@InterfaceStability.Unstable
public class TaskStartedEvent
extends Object
implements HistoryEvent

Event to record the start of a task

Constructor Summary

Constructors

Constructor and Description
TaskStartedEvent(TaskID id, long startTime, TaskType taskType, String splitLocations) Create an event to record start of a task

Method Summary

Methods

Modifier and Type	Method and Description
Object	getDatum() Return the Avro datum wrapped by this.
EventType	getEventType() Get the event type
String	getSplitLocations() Get the split locations, applicable for map tasks
long	getStartTime() Get the start time of the task
TaskID	getTaskId() Get the task id
TaskType	getTaskType() Get the task type
void	setDatum(Object datum) Set the Avro datum wrapped by this.

Methods inherited from class java.lang.Object

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

Constructor Detail

TaskStartedEvent

public TaskStartedEvent(TaskID id,
                long startTime,
                TaskType taskType,
                String splitLocations)

Create an event to record start of a task

Parameters:

id - Task Id

startTime - Start time of the task

taskType - Type of the task

splitLocations - Split locations, applicable for map tasks

Method Detail

getDatum

public Object getDatum()

Description copied from interface: HistoryEvent

Return the Avro datum wrapped by this.

Specified by:

getDatum in interface HistoryEvent

setDatum

public void setDatum(Object datum)

Description copied from interface: HistoryEvent

Set the Avro datum wrapped by this.

Specified by:

setDatum in interface HistoryEvent

getTaskId

public TaskID getTaskId()

Get the task id

getSplitLocations

public String getSplitLocations()

Get the split locations, applicable for map tasks

getStartTime

public long getStartTime()

Get the start time of the task

getTaskType

public TaskType getTaskType()

Get the task type

getEventType

public EventType getEventType()

Get the event type

Specified by:

getEventType in interface HistoryEvent