oracle.spatial.hadoop.vector.binning.mapred

Class BinReducer

java.lang.Object

MapReduceBase

oracle.spatial.hadoop.vector.binning.mapred.BinReducer

public class BinReducer
extends MapReduceBase

A subclass of Reducer that collects all the records assigned to a bin. Additionally calculates fields aggregations for each bin and emits the resulting records.

Author:

hsaucedo

Constructor Summary

Constructors

Constructor and Description
BinReducer()

Method Summary

Modifier and Type	Method and Description
void	configure(JobConf jobConf)
void	reduce(LongWritable key, java.util.Iterator<RecordInfo> values, <any> output, Reporter reporter)

Methods inherited from class java.lang.Object

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

Constructor Detail

BinReducer

public BinReducer()

Method Detail

configure

public void configure(JobConf jobConf)

reduce

public void reduce(LongWritable key,
                   java.util.Iterator<RecordInfo> values,
                   <any> output,
                   Reporter reporter)
            throws java.io.IOException

Throws:

java.io.IOException