## Hierarchy For Package org.apache.mahout.cf.taste.impl.common

Package Hierarchies:
  All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.mahout.cf.taste.impl.common.AbstractLongPrimitiveIterator (implements org.apache.mahout.cf.taste.impl.common.LongPrimitiveIterator)
    - org.apache.mahout.cf.taste.impl.common.SamplingLongPrimitiveIterator
  - org.apache.mahout.cf.taste.impl.common.Cache<K,V> (implements org.apache.mahout.cf.taste.impl.common.Retriever<K,V>)
  - org.apache.mahout.cf.taste.impl.common.FastByIDMap<V> (implements java.lang.Cloneable, java.io.Serializable)
  - org.apache.mahout.cf.taste.impl.common.FastIDSet (implements java.lang.Cloneable, java.lang.Iterable<T>, java.io.Serializable)
  - org.apache.mahout.cf.taste.impl.common.FastMap<K,V> (implements java.lang.Cloneable, java.util.Map<K,V>, java.io.Serializable)
  - org.apache.mahout.cf.taste.impl.common.FixedRunningAverage (implements org.apache.mahout.cf.taste.impl.common.RunningAverage, java.io.Serializable)
    - org.apache.mahout.cf.taste.impl.common.FixedRunningAverageAndStdDev (implements org.apache.mahout.cf.taste.impl.common.RunningAverageAndStdDev)
  - org.apache.mahout.cf.taste.impl.common.FullRunningAverage (implements org.apache.mahout.cf.taste.impl.common.RunningAverage, java.io.Serializable)
    - org.apache.mahout.cf.taste.impl.common.FullRunningAverageAndStdDev (implements org.apache.mahout.cf.taste.impl.common.RunningAverageAndStdDev)
  - org.apache.mahout.cf.taste.impl.common.InvertedRunningAverage (implements org.apache.mahout.cf.taste.impl.common.RunningAverage)
  - org.apache.mahout.cf.taste.impl.common.InvertedRunningAverageAndStdDev (implements org.apache.mahout.cf.taste.impl.common.RunningAverageAndStdDev)
  - org.apache.mahout.cf.taste.impl.common.LongPrimitiveArrayIterator (implements org.apache.mahout.cf.taste.impl.common.LongPrimitiveIterator)
  - org.apache.mahout.cf.taste.impl.common.RefreshHelper (implements org.apache.mahout.cf.taste.common.Refreshable)
  - org.apache.mahout.cf.taste.impl.common.WeightedRunningAverage (implements org.apache.mahout.cf.taste.impl.common.RunningAverage, java.io.Serializable)
    - org.apache.mahout.cf.taste.impl.common.WeightedRunningAverageAndStdDev (implements org.apache.mahout.cf.taste.impl.common.RunningAverageAndStdDev)

## Interface Hierarchy

- org.apache.mahout.cf.taste.impl.common.Cache.MatchPredicate<T>
- java.util.Iterator<E>
  - org.apache.mahout.cf.taste.impl.common.SkippingIterator<V>
    - org.apache.mahout.cf.taste.impl.common.LongPrimitiveIterator
- org.apache.mahout.cf.taste.impl.common.Retriever<K,V>
- org.apache.mahout.cf.taste.impl.common.RunningAverage
  - org.apache.mahout.cf.taste.impl.common.RunningAverageAndStdDev

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