org.apache.mahout.utils.eval
Class ParallelFactorizationEvaluator.PairsWithRatingMapper

java.lang.Object
  extended by org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text,IntPairWritable,org.apache.hadoop.io.DoubleWritable>
      extended by org.apache.mahout.utils.eval.ParallelFactorizationEvaluator.PairsWithRatingMapper
Enclosing class:
ParallelFactorizationEvaluator

public static class ParallelFactorizationEvaluator.PairsWithRatingMapper
extends org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text,IntPairWritable,org.apache.hadoop.io.DoubleWritable>


Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper
org.apache.hadoop.mapreduce.Mapper.Context
 
Constructor Summary
ParallelFactorizationEvaluator.PairsWithRatingMapper()
           
 
Method Summary
protected  void map(org.apache.hadoop.io.LongWritable key, org.apache.hadoop.io.Text value, org.apache.hadoop.mapreduce.Mapper.Context ctx)
           
 
Methods inherited from class org.apache.hadoop.mapreduce.Mapper
cleanup, run, setup
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ParallelFactorizationEvaluator.PairsWithRatingMapper

public ParallelFactorizationEvaluator.PairsWithRatingMapper()
Method Detail

map

protected void map(org.apache.hadoop.io.LongWritable key,
                   org.apache.hadoop.io.Text value,
                   org.apache.hadoop.mapreduce.Mapper.Context ctx)
            throws IOException,
                   InterruptedException
Overrides:
map in class org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.LongWritable,org.apache.hadoop.io.Text,IntPairWritable,org.apache.hadoop.io.DoubleWritable>
Throws:
IOException
InterruptedException


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