org.apache.mahout.cf.taste.hadoop.preparation
Class ToItemVectorsReducer
java.lang.Object
org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
org.apache.mahout.cf.taste.hadoop.preparation.ToItemVectorsReducer
public class ToItemVectorsReducer
- extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Reducer |
org.apache.hadoop.mapreduce.Reducer.Context |
Method Summary |
protected void |
reduce(org.apache.hadoop.io.IntWritable row,
Iterable<VectorWritable> vectors,
org.apache.hadoop.mapreduce.Reducer.Context ctx)
|
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 |
ToItemVectorsReducer
public ToItemVectorsReducer()
reduce
protected void reduce(org.apache.hadoop.io.IntWritable row,
Iterable<VectorWritable> vectors,
org.apache.hadoop.mapreduce.Reducer.Context ctx)
throws IOException,
InterruptedException
- Overrides:
reduce
in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.io.IntWritable,VectorWritable,org.apache.hadoop.io.IntWritable,VectorWritable>
- Throws:
IOException
InterruptedException
Copyright © 2008–2014 The Apache Software Foundation. All rights reserved.