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.alimama.quanjingmonitor.kmeans.KMeansClusterCombiner.java

public class KMeansClusterCombiner extends Reducer<Text, Text, Text, Text> {

    private final Collection<Cluster> clusters = new ArrayList<Cluster>();

    private Map<String, Cluster> clusterMap;
    int rep = 2;

From source file com.alimama.quanjingmonitor.kmeans.KMeansClusterReduce.java

public class KMeansClusterReduce extends Reducer<Text, Text, Text, Text> {

    private final Collection<Cluster> clusters = new ArrayList<Cluster>();

    private Map<String, Cluster> clusterMap;
    ParseVector parse = new ParseVector();

From source file com.alimama.quanjingmonitor.kmeans.KMeansCombiner.java

public class KMeansCombiner extends Reducer<Text, Vector, Text, Vector> {

    @Override
    protected void reduce(Text key, Iterable<Vector> values, Context context)
            throws IOException, InterruptedException {
        Vector cluster = new Vector();

From source file com.asakusafw.runtime.flow.ReducerWithRuntimeResource.java

/**
 * An abstract super class of a reducer with {@link RuntimeResource}s.
 * @param <KEYIN> input key type
 * @param <VALUEIN> input value type
 * @param <KEYOUT> output key type
 * @param <VALUEOUT> output value type

From source file com.asakusafw.runtime.flow.SegmentedCombiner.java

/**
 * A skeletal implementation of Hadoop Combiner class which uses {@link SegmentedWritable} as it key/value.
 * @param <KEY> the key type
 * @param <VALUE> the value type
 * @since 0.1.0
 * @version 0.5.1

From source file com.asakusafw.thundergate.runtime.cache.mapreduce.MergeJoinReducer.java

/**
 * Reducer class for ThunderGate Cache merging.
 * @since 0.2.3
 */
public class MergeJoinReducer
        extends Reducer<PatchApplyKey, ThunderGateCacheSupport, NullWritable, ThunderGateCacheSupport> {

From source file com.asakusafw.thundergate.runtime.cache.mapreduce.PatchApplyCombiner.java

/**
 * Combiner class for ThunderGate Cache merging.
 * @since 0.2.3
 */
public class PatchApplyCombiner
        extends Reducer<PatchApplyKey, ThunderGateCacheSupport, PatchApplyKey, ThunderGateCacheSupport> {

From source file com.asakusafw.thundergate.runtime.cache.mapreduce.PatchApplyReducer.java

/**
 * Reducer class for ThunderGate Cache merging.
 * @since 0.2.3
 */
public class PatchApplyReducer
        extends Reducer<PatchApplyKey, ThunderGateCacheSupport, NullWritable, ThunderGateCacheSupport> {

From source file com.baidu.cloud.bmr.mapreduce.AccessLogAnalyzerReducer.java

/**
 * Reducer class for AccessLogAnalyzer.
 *
 */
public class AccessLogAnalyzerReducer extends Reducer<Text, IntWritable, Text, IntWritable> {

From source file com.baidubce.bmr.mapreduce.AccessLogAnalyzerReducer.java

/**
 * Reducer class for AccessLogAnalyzer.
 *
 */
public class AccessLogAnalyzerReducer extends Reducer<Text, IntWritable, Text, IntWritable> {