org.apache.mahout.cf.taste.hadoop.cooccurence
Class UserItemJoiner.JoinItemUserReducer

java.lang.Object
  extended by org.apache.hadoop.mapred.MapReduceBase
      extended by org.apache.mahout.cf.taste.hadoop.cooccurence.UserItemJoiner.JoinItemUserReducer
All Implemented Interfaces:
java.io.Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Reducer<Bigram,TupleWritable,org.apache.hadoop.io.VIntWritable,TupleWritable>
Enclosing class:
UserItemJoiner

public static class UserItemJoiner.JoinItemUserReducer
extends org.apache.hadoop.mapred.MapReduceBase
implements org.apache.hadoop.mapred.Reducer<Bigram,TupleWritable,org.apache.hadoop.io.VIntWritable,TupleWritable>


Constructor Summary
UserItemJoiner.JoinItemUserReducer()
           
 
Method Summary
 void reduce(Bigram itemBigram, java.util.Iterator<TupleWritable> tuples, org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.VIntWritable,TupleWritable> output, org.apache.hadoop.mapred.Reporter reporter)
           
 
Methods inherited from class org.apache.hadoop.mapred.MapReduceBase
close, configure
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.apache.hadoop.mapred.JobConfigurable
configure
 
Methods inherited from interface java.io.Closeable
close
 

Constructor Detail

UserItemJoiner.JoinItemUserReducer

public UserItemJoiner.JoinItemUserReducer()
Method Detail

reduce

public void reduce(Bigram itemBigram,
                   java.util.Iterator<TupleWritable> tuples,
                   org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.VIntWritable,TupleWritable> output,
                   org.apache.hadoop.mapred.Reporter reporter)
            throws java.io.IOException
Specified by:
reduce in interface org.apache.hadoop.mapred.Reducer<Bigram,TupleWritable,org.apache.hadoop.io.VIntWritable,TupleWritable>
Throws:
java.io.IOException


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