org.apache.ignite.internal.processors.hadoop

Class HadoopComponent

java.lang.Object

org.apache.ignite.internal.processors.hadoop.HadoopComponent

Direct Known Subclasses:

HadoopJobTracker, HadoopShuffle, HadoopTaskExecutorAdapter

public abstract class HadoopComponent
extends Object

Abstract class for all hadoop components.

Field Summary

Fields

Modifier and Type	Field and Description
protected HadoopContext	ctx Hadoop context.
protected IgniteLogger	log Logger.

Constructor Summary

Constructors

Constructor and Description
HadoopComponent()

Method Summary

Modifier and Type	Method and Description
void	onKernalStart() Callback invoked when all grid components are started.
void	onKernalStop(boolean cancel) Callback invoked before all grid components are stopped.
void	start(HadoopContext ctx)
void	stop(boolean cancel) Stops manager.

Methods inherited from class java.lang.Object

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

Field Detail

ctx

protected HadoopContext ctx

Hadoop context.

log

protected IgniteLogger log

Logger.

Constructor Detail

HadoopComponent

public HadoopComponent()

Method Detail

start

public void start(HadoopContext ctx)
           throws IgniteCheckedException

Parameters:

ctx - Hadoop context.

Throws:

IgniteCheckedException

stop

public void stop(boolean cancel)

Stops manager.

onKernalStart

public void onKernalStart()
                   throws IgniteCheckedException

Callback invoked when all grid components are started.

Throws:

IgniteCheckedException

onKernalStop

public void onKernalStop(boolean cancel)

Callback invoked before all grid components are stopped.