| Class | Description | 
|---|---|
| BlockPartitioner | Default partitioner used for all binary block rdd operations in order
 to enable sufficient local aggregation independent of the aggregation
 direction (row/col-wise). | 
| BroadcastObject<T extends CacheBlock> | |
| CorrMatrixBlock | |
| DatasetObject | |
| FrameReblockBuffer | |
| IndexedMatrixValue | |
| LazyIterableIterator<T> | This class is a generic base class for lazy, single pass iterator classes 
 in order to simplify the implementation of lazy iterators for mapPartitions 
 use cases. | 
| LineageObject | |
| PartitionedBlock<T extends CacheBlock> | This class is for partitioned matrix/frame blocks, to be used as broadcasts. | 
| PartitionedBroadcast<T extends CacheBlock> | This class is a wrapper around an array of broadcasts of partitioned matrix/frame blocks,
 which is required due to 2GB limitations of Spark's broadcast handling. | 
| RDDObject | |
| ReblockBuffer | |
| RowMatrixBlock | |
| SerLongWritable | Wrapper for LongWritable in order to make it serializable as required for
 shuffle in spark instructions. | 
| SerText | Wrapper for Text in order to make it serializable as required for
 shuffle in spark instructions. | 
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