org.gridgain.grid.kernal.processors.hadoop

Class GridHadoopComponent

java.lang.Object

org.gridgain.grid.kernal.processors.hadoop.GridHadoopComponent

Direct Known Subclasses:

GridHadoopJobTracker, GridHadoopShuffle, GridHadoopTaskExecutorAdapter

public abstract class GridHadoopComponent
extends Object

Abstract class for all hadoop components.

Field Summary

Fields

Modifier and Type	Field and Description
protected GridHadoopContext	ctx Hadoop context.
protected org.gridgain.grid.logger.GridLogger	log Logger.

Constructor Summary

Constructors

Constructor and Description
GridHadoopComponent()

Method Summary

Methods

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(GridHadoopContext 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 GridHadoopContext ctx

Hadoop context.

log

protected org.gridgain.grid.logger.GridLogger log

Logger.

Constructor Detail

GridHadoopComponent

public GridHadoopComponent()

Method Detail

start

public void start(GridHadoopContext ctx)
           throws org.gridgain.grid.GridException

Parameters:

ctx - Hadoop context.

Throws:

org.gridgain.grid.GridException

stop

public void stop(boolean cancel)

Stops manager.

onKernalStart

public void onKernalStart()
                   throws org.gridgain.grid.GridException

Callback invoked when all grid components are started.

Throws:

org.gridgain.grid.GridException

onKernalStop

public void onKernalStop(boolean cancel)

Callback invoked before all grid components are stopped.