Example usage for org.apache.hadoop.mapreduce Reducer subclass-usage

Introduction

In this page you can find the example usage for org.apache.hadoop.mapreduce Reducer subclass-usage.

Usage

From source file mx.iteso.desi.cloud.hw2.GeocodeReducer.java

public class GeocodeReducer extends Reducer<Text, GeocodeWritable, Text, Text> {

    private final Logger logger = Logger.getLogger(GeocodeReducer.class);

    @Override
    protected void reduce(Text key, Iterable<GeocodeWritable> values, Context context)

From source file mx.iteso.msc.asn.mrwordcount.MyReducer.java

/**
 *
 * @author Mario Contreras <marioc@nazul.net>
 */
public class MyReducer extends Reducer<Text, IntWritable, Text, IntWritable> {

From source file name.abhijitsarkar.hadoop.join.ReduceSideJoinReducer.java

/**
 * This class reduces the output from {@link CustomerMapper CustomerMapper} and from {@link OrderMapper OrderMapper}.
 * Thanks to {@link KeyGroupingComparator KeyGroupingComparator} and {@link TaggedKey#compareTo(TaggedKey)}, all the
 * records for the same key (customer ID) are sent to the Reducer in one invocation and customer records are the first
 * ones to arrive.
 *

From source file net.anthonypoon.ngram.correlation.CorrelationReducer.java

/**
 *
 * @author ypoon
 */
public class CorrelationReducer extends Reducer<Text, Text, Text, Text> {
    private double threshold = 0.7;

From source file net.anthonypoon.ngram.removespecial.ListReducer.java

/**
 *
 * @author ypoon
 */
public class ListReducer extends Reducer<Text, Text, Text, Text> {

From source file net.anthonypoon.ngram.removespecial.RemoveReducer.java

/**
 *
 * @author ypoon
 */
public class RemoveReducer extends Reducer<Text, Text, Text, Text> {
    @Override

From source file net.anthonypoon.ngram.rollingregression.RollingRegressionReducer.java

/**
 *
 * @author ypoon
 */
public class RollingRegressionReducer extends Reducer<Text, Text, Text, Text> {

From source file net.broomie.reducer.CoCounteReducer.java

/**
 * The reduce class for counting co-occurrence for Japanese sentence.
 * @author kimura
 */
public class CoCounteReducer extends Reducer<Text, Text, Text, Text> {

From source file net.broomie.reducer.CoCounteReducerMI.java

/**
 * The reduce class for counting co-occurrence for Japanese sentence.
 * @author kimura
 */
public class CoCounteReducerMI extends Reducer<Text, Text, Text, Text> {

From source file net.broomie.reducer.CoCounteReducerTFIDF.java

/**
 * The reduce class for counting co-occurrence for Japanese sentence.
 * @author kimura
 */
public class CoCounteReducerTFIDF extends Reducer<Text, Text, Text, Text> {