## Hierarchy For Package org.apache.mahout.cf.taste.hadoop.item

Package Hierarchies:
  All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.hadoop.conf.Configured (implements org.apache.hadoop.conf.Configurable)
    - org.apache.mahout.common.AbstractJob (implements org.apache.hadoop.util.Tool)
      - org.apache.mahout.cf.taste.hadoop.item.RecommenderJob
  - org.apache.hadoop.mapreduce.Mapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
    - org.apache.mahout.cf.taste.hadoop.item.ItemFilterMapper
    - org.apache.mahout.cf.taste.hadoop.item.ItemIDIndexMapper
    - org.apache.mahout.cf.taste.hadoop.item.PartialMultiplyMapper
    - org.apache.mahout.cf.taste.hadoop.item.SimilarityMatrixRowWrapperMapper
    - org.apache.mahout.cf.taste.hadoop.item.UserVectorSplitterMapper
  - org.apache.mahout.cf.taste.hadoop.item.PrefAndSimilarityColumnWritable (implements org.apache.hadoop.io.Writable)
  - org.apache.hadoop.mapreduce.Reducer<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
    - org.apache.mahout.cf.taste.hadoop.item.AggregateAndRecommendReducer
    - org.apache.mahout.cf.taste.hadoop.item.ItemFilterAsVectorAndPrefsReducer
    - org.apache.mahout.cf.taste.hadoop.item.ItemIDIndexReducer
    - org.apache.mahout.cf.taste.hadoop.item.ToUserVectorsReducer
    - org.apache.mahout.cf.taste.hadoop.item.ToVectorAndPrefReducer
  - org.apache.mahout.cf.taste.hadoop.item.VectorAndPrefsWritable (implements org.apache.hadoop.io.Writable)
  - org.apache.mahout.cf.taste.hadoop.item.VectorOrPrefWritable (implements org.apache.hadoop.io.Writable)

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - org.apache.mahout.cf.taste.hadoop.item.ToUserVectorsReducer.Counters

Copyright © 2008–2014 The Apache Software Foundation. All rights reserved.