# Package org.apache.sysds.runtime.compress.colgroup.mapping

Interface Summary
MapToFactory: Interface for the factory design pattern for construction all AMapToData.

Class Summary
AMapToData: This Class's job is to link into the dictionary entries for column groups.
MapToBit: A Bit map containing the values of the map inside a long array.
MapToByte
MapToChar
MapToCharPByte
MapToInt
MapToUByte
MapToZero

Enum Summary
MapToFactory.MAP_TYPE: The different supported types of mappings.