org.apache.mahout.cf.taste.hadoop.item
Class ItemIDIndexReducer

java.lang.Object
  extended by org.apache.hadoop.mapreduce.Reducer<VarIntWritable,VarLongWritable,VarIntWritable,VarLongWritable>
      extended by org.apache.mahout.cf.taste.hadoop.item.ItemIDIndexReducer

public final class ItemIDIndexReducer
extends org.apache.hadoop.mapreduce.Reducer<VarIntWritable,VarLongWritable,VarIntWritable,VarLongWritable>


Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Reducer
org.apache.hadoop.mapreduce.Reducer.Context
 
Constructor Summary
ItemIDIndexReducer()
           
 
Method Summary
protected  void reduce(VarIntWritable index, Iterable<VarLongWritable> possibleItemIDs, 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
 

Constructor Detail

ItemIDIndexReducer

public ItemIDIndexReducer()
Method Detail

reduce

protected void reduce(VarIntWritable index,
                      Iterable<VarLongWritable> possibleItemIDs,
                      org.apache.hadoop.mapreduce.Reducer.Context context)
               throws IOException,
                      InterruptedException
Overrides:
reduce in class org.apache.hadoop.mapreduce.Reducer<VarIntWritable,VarLongWritable,VarIntWritable,VarLongWritable>
Throws:
IOException
InterruptedException


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