public class ColumnMultReducer
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>
| Constructor and Description |
|---|
ColumnMultReducer() |
| Modifier and Type | Method and Description |
|---|---|
void |
cleanup(org.apache.hadoop.mapreduce.Reducer.Context ctx) |
void |
reduce(org.apache.hadoop.io.LongWritable colNum,
java.lang.Iterable<org.apache.hadoop.io.Text> colVals,
org.apache.hadoop.mapreduce.Reducer.Context ctx) |
void |
setup(org.apache.hadoop.mapreduce.Reducer.Context ctx) |
public void setup(org.apache.hadoop.mapreduce.Reducer.Context ctx)
throws java.io.IOException,
java.lang.InterruptedException
setup in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>java.io.IOExceptionjava.lang.InterruptedExceptionpublic void reduce(org.apache.hadoop.io.LongWritable colNum,
java.lang.Iterable<org.apache.hadoop.io.Text> colVals,
org.apache.hadoop.mapreduce.Reducer.Context ctx)
throws java.io.IOException,
java.lang.InterruptedException
reduce in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>java.io.IOExceptionjava.lang.InterruptedExceptionpublic void cleanup(org.apache.hadoop.mapreduce.Reducer.Context ctx)
throws java.io.IOException,
java.lang.InterruptedException
cleanup in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text,org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text>java.io.IOExceptionjava.lang.InterruptedException