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

java.lang.Object
  extended by org.apache.hadoop.mapreduce.Mapper<VarLongWritable,VectorWritable,VarIntWritable,VectorOrPrefWritable>
      extended by org.apache.mahout.cf.taste.hadoop.item.UserVectorSplitterMapper

public final class UserVectorSplitterMapper
extends org.apache.hadoop.mapreduce.Mapper<VarLongWritable,VectorWritable,VarIntWritable,VectorOrPrefWritable>


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

Constructor Detail

UserVectorSplitterMapper

public UserVectorSplitterMapper()
Method Detail

setup

protected void setup(org.apache.hadoop.mapreduce.Mapper.Context context)
              throws IOException
Overrides:
setup in class org.apache.hadoop.mapreduce.Mapper<VarLongWritable,VectorWritable,VarIntWritable,VectorOrPrefWritable>
Throws:
IOException

map

protected void map(VarLongWritable key,
                   VectorWritable value,
                   org.apache.hadoop.mapreduce.Mapper.Context context)
            throws IOException,
                   InterruptedException
Overrides:
map in class org.apache.hadoop.mapreduce.Mapper<VarLongWritable,VectorWritable,VarIntWritable,VectorOrPrefWritable>
Throws:
IOException
InterruptedException


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