org.gridgain.grid.kernal.processors.hadoop

Class GridHadoopContext

java.lang.Object

org.gridgain.grid.kernal.processors.hadoop.GridHadoopContext

public class GridHadoopContext
extends Object

Hadoop accelerator context.

Constructor Summary

Constructors

Constructor and Description
GridHadoopContext(org.gridgain.grid.kernal.GridKernalContext ctx, org.gridgain.grid.hadoop.GridHadoopConfiguration cfg, GridHadoopJobTracker jobTracker, GridHadoopTaskExecutorAdapter taskExecutor, GridHadoopShuffle shuffle)

Method Summary

Methods

Modifier and Type	Method and Description
List<GridHadoopComponent>	components() Gets list of managers.
org.gridgain.grid.hadoop.GridHadoopConfiguration	configuration() Gets Hadoop configuration.
boolean	isParticipating(GridHadoopJobMetadata meta)
GridHadoopJobTracker	jobTracker()
boolean	jobUpdateLeader()
org.gridgain.grid.kernal.GridKernalContext	kernalContext() Gets kernal context.
UUID	localNodeId() Gets local node ID.
long	localNodeOrder() Gets local node order.
Collection<org.gridgain.grid.GridNode>	nodes()
org.gridgain.grid.hadoop.GridHadoopMapReducePlanner	planner()
GridHadoopShuffle	shuffle()
GridHadoopTaskExecutorAdapter	taskExecutor()

Methods inherited from class java.lang.Object

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

Constructor Detail

GridHadoopContext

public GridHadoopContext(org.gridgain.grid.kernal.GridKernalContext ctx,
                 org.gridgain.grid.hadoop.GridHadoopConfiguration cfg,
                 GridHadoopJobTracker jobTracker,
                 GridHadoopTaskExecutorAdapter taskExecutor,
                 GridHadoopShuffle shuffle)

Parameters:

ctx - Kernal context.

Method Detail

components

public List<GridHadoopComponent> components()

Gets list of managers.

Returns:

List of managers.

kernalContext

public org.gridgain.grid.kernal.GridKernalContext kernalContext()

Gets kernal context.

Returns:

Grid kernal context instance.

configuration

public org.gridgain.grid.hadoop.GridHadoopConfiguration configuration()

Gets Hadoop configuration.

Returns:

Hadoop configuration.

localNodeId

public UUID localNodeId()

Gets local node ID. Shortcut for kernalContext().localNodeId().

Returns:

Local node ID.

localNodeOrder

public long localNodeOrder()

Gets local node order.

Returns:

Local node order.

nodes

public Collection<org.gridgain.grid.GridNode> nodes()

Returns:

Hadoop-enabled nodes.

jobUpdateLeader

public boolean jobUpdateLeader()

Returns:

True if

isParticipating

public boolean isParticipating(GridHadoopJobMetadata meta)

Parameters:

meta - Job metadata.

Returns:

true If local node is participating in job execution.

jobTracker

public GridHadoopJobTracker jobTracker()

Returns:

Jon tracker instance.

taskExecutor

public GridHadoopTaskExecutorAdapter taskExecutor()

Returns:

Task executor.

shuffle

public GridHadoopShuffle shuffle()

Returns:

Shuffle.

planner

public org.gridgain.grid.hadoop.GridHadoopMapReducePlanner planner()

Returns:

Map-reduce planner.