public static class WordMedian.WordMedianReducer
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.IntWritable>
| Constructor and Description |
|---|
WordMedianReducer() |
| Modifier and Type | Method and Description |
|---|---|
void |
reduce(org.apache.hadoop.io.IntWritable key,
Iterable<org.apache.hadoop.io.IntWritable> values,
org.apache.hadoop.mapreduce.Reducer.Context context)
Sums all the individual values within the iterator and writes them to the
same key.
|
public void reduce(org.apache.hadoop.io.IntWritable key,
Iterable<org.apache.hadoop.io.IntWritable> values,
org.apache.hadoop.mapreduce.Reducer.Context context)
throws IOException,
InterruptedException
reduce in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.IntWritable,org.apache.hadoop.io.IntWritable>key - This will be a length of a word that was read.values - This will be an iterator of all the values associated with that
key.IOExceptionInterruptedExceptionCopyright © 2008–2020 Apache Software Foundation. All rights reserved.