org.apache.tez.dag.app.dag

Interface TaskAttempt

All Superinterfaces:

DAGIDAware, TaskAttemptIDAware, TaskIDAware, VertexIDAware

All Known Implementing Classes:

TaskAttemptImpl

public interface TaskAttempt
extends TaskAttemptIDAware

Read only view of TaskAttempt.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	TaskAttempt.TaskAttemptStatus

Method Summary

Modifier and Type	Method and Description
org.apache.hadoop.yarn.api.records.Container	getAssignedContainer()
org.apache.hadoop.yarn.api.records.ContainerId	getAssignedContainerID()
String	getAssignedContainerMgrAddress()
TezCounters	getCounters()
List<String>	getDiagnostics()
long	getFinishTime()
long	getLaunchTime()
String	getNodeHttpAddress()
org.apache.hadoop.yarn.api.records.NodeId	getNodeId()
String	getNodeRackName()
float	getProgress()
TaskAttemptReport	getReport()
long	getScheduleTime() Get the time at which this attempt was scheduled
TaskAttemptState	getState()
TaskAttemptState	getStateNoLock()
Task	getTask()
TaskAttemptTerminationCause	getTerminationCause()
boolean	isFinished() Has attempt reached the final state or not.
void	setLastEventSent(TezEvent lastEventSent)

Methods inherited from interface org.apache.tez.dag.records.TaskAttemptIDAware

getTaskAttemptID, getTaskID

Methods inherited from interface org.apache.tez.dag.records.TaskIDAware

getVertexID

Methods inherited from interface org.apache.tez.dag.records.VertexIDAware

getDAGID

Methods inherited from interface org.apache.tez.dag.records.DAGIDAware

getApplicationId

Method Detail

getTask

Task getTask()

getReport

TaskAttemptReport getReport()

getDiagnostics

List<String> getDiagnostics()

getTerminationCause

TaskAttemptTerminationCause getTerminationCause()

getCounters

TezCounters getCounters()

getProgress

float getProgress()

getState

TaskAttemptState getState()

getStateNoLock

TaskAttemptState getStateNoLock()

setLastEventSent

void setLastEventSent(TezEvent lastEventSent)

isFinished

boolean isFinished()

Has attempt reached the final state or not.

Returns:

true if it has finished, else false

getAssignedContainerID

org.apache.hadoop.yarn.api.records.ContainerId getAssignedContainerID()

Returns:

the container ID if a container is assigned, otherwise null.

getAssignedContainer

org.apache.hadoop.yarn.api.records.Container getAssignedContainer()

Returns:

the container if assigned, otherwise null

getAssignedContainerMgrAddress

String getAssignedContainerMgrAddress()

Returns:

container mgr address if a container is assigned, otherwise null.

getNodeId

org.apache.hadoop.yarn.api.records.NodeId getNodeId()

Returns:

node's id if a container is assigned, otherwise null.

getNodeHttpAddress

String getNodeHttpAddress()

Returns:

node's http address if a container is assigned, otherwise null.

getNodeRackName

String getNodeRackName()

Returns:

node's rack name if a container is assigned, otherwise null.

getLaunchTime

long getLaunchTime()

Returns:

time at which container is launched. If container is not launched yet, returns 0.

getScheduleTime

long getScheduleTime()

Get the time at which this attempt was scheduled

Returns:

the time at which this attempt was scheduled, 0 if it hasn't been scheduled yet

getFinishTime

long getFinishTime()

Returns:

attempt's finish time. If attempt is not finished yet, returns 0.