public static class WordStandardDeviation.WordStandardDeviationMapper extends org.apache.hadoop.mapreduce.Mapper<Object,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.LongWritable>
Constructor and Description |
---|
WordStandardDeviation.WordStandardDeviationMapper() |
public WordStandardDeviation.WordStandardDeviationMapper()
public void map(Object key, org.apache.hadoop.io.Text value, org.apache.hadoop.mapreduce.Mapper.Context context) throws IOException, InterruptedException
map
in class org.apache.hadoop.mapreduce.Mapper<Object,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.LongWritable>
value
- This will be a line of text coming in from our input file.IOException
InterruptedException
Copyright © 2015 Apache Software Foundation. All Rights Reserved.