org.apache.tez.runtime.task

Class TaskRunner2Callable

java.lang.Object

org.apache.tez.common.CallableWithNdc<TaskRunner2Callable.TaskRunner2CallableResult>

org.apache.tez.runtime.task.TaskRunner2Callable

All Implemented Interfaces:

Callable<TaskRunner2Callable.TaskRunner2CallableResult>

public class TaskRunner2Callable
extends org.apache.tez.common.CallableWithNdc<TaskRunner2Callable.TaskRunner2CallableResult>

This class is responsible for running a LogicalIOProcessorRuntimeTask. It does not worry about reporting errors, heartbeats etc. Returns success / interrupt / failure status via it's return parameter. It's the responsibility of the invoker to handle whatever exceptions may be generated by this.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TaskRunner2Callable.TaskRunner2CallableResult

Constructor Summary

Constructors

Constructor and Description
TaskRunner2Callable(LogicalIOProcessorRuntimeTask task, org.apache.hadoop.security.UserGroupInformation ugi)

Method Summary

Modifier and Type	Method and Description
void	abortTask()
org.apache.tez.common.counters.TezCounters	addAndGetTezCounter(String name)
TaskRunner2Callable.TaskRunner2CallableResult	callInternal()
void	interruptTask()

Methods inherited from class org.apache.tez.common.CallableWithNdc

call

Methods inherited from class java.lang.Object

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

Constructor Detail

TaskRunner2Callable

public TaskRunner2Callable(LogicalIOProcessorRuntimeTask task,
                           org.apache.hadoop.security.UserGroupInformation ugi)

Method Detail

callInternal

public TaskRunner2Callable.TaskRunner2CallableResult callInternal()
                                                           throws Exception

Specified by:

callInternal in class org.apache.tez.common.CallableWithNdc<TaskRunner2Callable.TaskRunner2CallableResult>

Throws:

Exception

abortTask

public void abortTask()

interruptTask

public void interruptTask()

addAndGetTezCounter

public org.apache.tez.common.counters.TezCounters addAndGetTezCounter(String name)