org.gridgain.grid.kernal.processors.hadoop.v2

Class GridHadoopV2ReduceTask

java.lang.Object

org.gridgain.grid.hadoop.GridHadoopTask

org.gridgain.grid.kernal.processors.hadoop.v2.GridHadoopV2Task

org.gridgain.grid.kernal.processors.hadoop.v2.GridHadoopV2ReduceTask

public class GridHadoopV2ReduceTask
extends GridHadoopV2Task

Hadoop reduce task implementation for v2 API.

Constructor Summary

Constructors

Constructor and Description
GridHadoopV2ReduceTask(org.gridgain.grid.hadoop.GridHadoopTaskInfo taskInfo, boolean reduce) Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	run0(GridHadoopV2Job jobImpl, org.apache.hadoop.mapreduce.JobContext jobCtx, org.gridgain.grid.hadoop.GridHadoopTaskContext taskCtx) Internal task routine.

Methods inherited from class org.gridgain.grid.kernal.processors.hadoop.v2.GridHadoopV2Task

abort, cancel, closeWriter, commit, getOutputFormat, hadoopContext, prepareWriter, run, setup

Methods inherited from class org.gridgain.grid.hadoop.GridHadoopTask

info

Methods inherited from class java.lang.Object

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

Constructor Detail

GridHadoopV2ReduceTask

public GridHadoopV2ReduceTask(org.gridgain.grid.hadoop.GridHadoopTaskInfo taskInfo,
                      boolean reduce)

Constructor.

Parameters:

taskInfo - Task info.

reduce - True if reduce, false if combine.

Method Detail

run0

public void run0(GridHadoopV2Job jobImpl,
        org.apache.hadoop.mapreduce.JobContext jobCtx,
        org.gridgain.grid.hadoop.GridHadoopTaskContext taskCtx)
          throws org.gridgain.grid.GridException

Internal task routine.

Specified by:

run0 in class GridHadoopV2Task

Parameters:

jobImpl - Job.

jobCtx - Job context.

taskCtx - Task context.

Throws:

org.gridgain.grid.GridException