# Hierarchy For Package org.apache.sysds.runtime.compress

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.sysds.runtime.compress.BitmapEncoder
  - org.apache.sysds.runtime.compress.CompressedMatrixBlockFactory
  - org.apache.sysds.runtime.compress.CompressionSettings
  - org.apache.sysds.runtime.compress.CompressionSettingsBuilder
  - org.apache.sysds.runtime.compress.CompressionStatistics
  - org.apache.sysds.runtime.matrix.data.MatrixValue (implements org.apache.hadoop.io.WritableComparable<T>)
    - org.apache.sysds.runtime.matrix.data.MatrixBlock (implements org.apache.sysds.runtime.controlprogram.caching.CacheBlock, java.io.Externalizable)
      - org.apache.sysds.runtime.compress.AbstractCompressedMatrixBlock
        - org.apache.sysds.runtime.compress.CompressedMatrixBlock
  - org.apache.sysds.runtime.compress.ReaderColumnSelection
    - org.apache.sysds.runtime.compress.ReaderColumnSelectionDense
    - org.apache.sysds.runtime.compress.ReaderColumnSelectionDenseSample
    - org.apache.sysds.runtime.compress.ReaderColumnSelectionSparse

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