org.apache.accumulo.examples.simple.mapreduce
Class UniqueColumns.UReducer
java.lang.Object
org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>
org.apache.accumulo.examples.simple.mapreduce.UniqueColumns.UReducer
- Enclosing class:
- UniqueColumns
public static class UniqueColumns.UReducer
- extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Reducer |
org.apache.hadoop.mapreduce.Reducer.Context |
Method Summary |
void |
reduce(org.apache.hadoop.io.Text key,
Iterable<org.apache.hadoop.io.Text> values,
org.apache.hadoop.mapreduce.Reducer.Context context)
|
Methods inherited from class org.apache.hadoop.mapreduce.Reducer |
cleanup, run, setup |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
UniqueColumns.UReducer
public UniqueColumns.UReducer()
reduce
public void reduce(org.apache.hadoop.io.Text key,
Iterable<org.apache.hadoop.io.Text> values,
org.apache.hadoop.mapreduce.Reducer.Context context)
throws IOException,
InterruptedException
- Overrides:
reduce
in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>
- Throws:
IOException
InterruptedException
Copyright © 2012 The Apache Software Foundation. All Rights Reserved.