Package org.apache.sysds.runtime.compress.lib

Interface CLALibSeparator

public interface CLALibSeparator

The job of this Lib is to separate and combine back a list of column groups from its dictionaries, and vice versa combine back together dictionaries with their respective column groups

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	CLALibSeparator.SeparatedGroups

Field Summary

Fields

Modifier and Type	Field	Description
static org.apache.commons.logging.Log	LOG

Method Summary

Static Methods

Modifier and Type	Method	Description
static List<AColGroup>	combine(List<AColGroup> gs, Map<Integer,List<IDictionary>> d, int blen)	Combine a set of separated groups back together.
static CLALibSeparator.SeparatedGroups	split(List<AColGroup> gs)	Split a given list of column groups into separate subparts.

Field Detail

LOG

static final org.apache.commons.logging.Log LOG

Method Detail

split

static CLALibSeparator.SeparatedGroups split(List<AColGroup> gs)

Split a given list of column groups into separate subparts.

Parameters:

gs - the list of groups to separate.

Returns:

A split of the groups and their dictionaries.

combine

static List<AColGroup> combine(List<AColGroup> gs,
                               Map<Integer,List<IDictionary>> d,
                               int blen)

Combine a set of separated groups back together.

Parameters:

gs - groups to combine with dictionaries

d - dictionaries to combine back into the groups.

blen - The block size.

Returns:

A combined list of column groups.