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 com.ML_Hadoop.NaiveBayesClassifier_Continuous_Features.NaiveBayesClassifierReduce_Continuous_Features.java

public class NaiveBayesClassifierReduce_Continuous_Features
        extends Reducer<LongWritable, MapArrayWritable, LongWritable, FloatWritable> {

    private int number_of_classes, number_of_features;
    private ArrayList<MapWritable[]> probablity_info_output = new ArrayList<MapWritable[]>();

From source file com.mongodb.hadoop.examples.enron.EnronMailReducer.java

public class EnronMailReducer extends Reducer<MailPair, IntWritable, BSONWritable, IntWritable>
        implements org.apache.hadoop.mapred.Reducer<MailPair, IntWritable, BSONWritable, IntWritable> {

    private static final Log LOG = LogFactory.getLog(EnronMailReducer.class);

    @Override

From source file com.mongodb.hadoop.examples.lolmatches.LOLMatchesdReducer.java

/**
 * The treasury yield reducer.
 */
public class LOLMatchesdReducer extends Reducer<IntWritable, DoubleWritable, IntWritable, BSONWritable>
        implements org.apache.hadoop.mapred.Reducer<IntWritable, DoubleWritable, IntWritable, BSONWritable> {

From source file com.mongodb.hadoop.examples.treasury.TreasuryYieldReducer.java

/**
 * The treasury yield reducer.
 */
public class TreasuryYieldReducer extends Reducer<IntWritable, DoubleWritable, IntWritable, BSONWritable>
        implements org.apache.hadoop.mapred.Reducer<IntWritable, DoubleWritable, IntWritable, BSONWritable> {

From source file com.mongodb.hadoop.examples.treasury.TreasuryYieldUpdateReducer.java

/**
 * The treasury yield reducer.
 */
public class TreasuryYieldUpdateReducer
        extends Reducer<IntWritable, DoubleWritable, NullWritable, MongoUpdateWritable> {

From source file com.mongodb.hadoop.examples.TreasuryYieldReducer.java

public class TreasuryYieldReducer extends Reducer<IntWritable, DoubleWritable, IntWritable, DoubleWritable> {

    private static final Log log = LogFactory.getLog(TreasuryYieldReducer.class);

    public void reduce(IntWritable key, Iterable<DoubleWritable> values, Context context)
            throws IOException, InterruptedException {

From source file com.mongodb.hadoop.examples.ufos.UfoSightingsReducer.java

/**
 * The ufo sightings reducer.
 */
public class UfoSightingsReducer extends Reducer<Text, IntWritable, Text, IntWritable> {

    private static final Log LOG = LogFactory.getLog(UfoSightingsReducer.class);

From source file com.mongodb.hadoop.examples.WorldDevIndicatorReducer.java

/**
 * The world development indicator reducer.
 */
public class WorldDevIndicatorReducer extends Reducer<Text, DoubleWritable, Text, DoubleWritable> {
    @Override
    public void reduce(final Text pCountryCode, final Iterable<DoubleWritable> pValues, final Context pContext)

From source file com.mongodb.hadoop.examples.world_development.WorldDevIndicatorReducer.java

/**
 * The world development indicator reducer.
 */
public class WorldDevIndicatorReducer extends Reducer<Text, DoubleWritable, Text, DoubleWritable> {
    @Override
    public void reduce(final Text pCountryCode, final Iterable<DoubleWritable> pValues, final Context pContext)

From source file com.moz.fiji.mapreduce.FijiReducer.java

/**
 * Base class for Fiji reducer.
 *
 * @param <INKEY> The type of the input key to the mapper.
 * @param <INVALUE> The type of the input value to the mapper.
 * @param <OUTKEY> The type of the output key from the mapper.