edu.umn.cs.spatialHadoop.operations

Class Sampler.Reduce

java.lang.Object

MapReduceBase

edu.umn.cs.spatialHadoop.operations.Sampler.Reduce

Enclosing class:

Sampler

public static class Sampler.Reduce
extends MapReduceBase

The job of the reduce function is to change the key from NullWritableRnd to NullWritable. TextOutputFormat only understands that NullWritable is not to be written to output not NullWritableRnd.

Author:

Ahmed Eldawy

Constructor Summary

Constructors

Constructor and Description
Sampler.Reduce()

Method Summary

Methods

Modifier and Type	Method and Description
void	reduce(IntWritable dummy, java.util.Iterator<Text> values, output, Reporter reporter)

Methods inherited from class java.lang.Object

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

Constructor Detail

Sampler.Reduce

public Sampler.Reduce()

Method Detail

reduce

public void reduce(IntWritable dummy,
          java.util.Iterator<Text> values,
           output,
          Reporter reporter)
            throws java.io.IOException

Throws:

java.io.IOException