org.apache.mahout.cf.taste.impl.common
Interfaces 
LongPrimitiveIterator
Retriever
RunningAverage
RunningAverageAndStdDev
SkippingIterator
Classes 
AbstractLongPrimitiveIterator
Cache
CompactRunningAverage
CompactRunningAverageAndStdDev
FastByIDMap
FastIDSet
FastMap
FullRunningAverage
FullRunningAverageAndStdDev
InvertedRunningAverage
InvertedRunningAverageAndStdDev
LongPrimitiveArrayIterator
RefreshHelper
SamplingLongPrimitiveIterator
WeightedRunningAverage