Package org.apache.sysds.runtime.compress.colgroup.scheme

Class DDCScheme

java.lang.Object

org.apache.sysds.runtime.compress.colgroup.scheme.ACLAScheme

org.apache.sysds.runtime.compress.colgroup.scheme.DDCScheme

All Implemented Interfaces:

Cloneable, ICLAScheme

Direct Known Subclasses:

DDCLZWScheme, DDCSchemeMC, DDCSchemeSC

public abstract class DDCScheme
extends ACLAScheme

Field Summary

Fields inherited from interface org.apache.sysds.runtime.compress.colgroup.scheme.ICLAScheme

LOG

Method Summary

Modifier and Type	Method	Description
static DDCScheme	create(ColGroupDDC g)	Create a scheme for the DDC compression given
static DDCScheme	create(IColIndex cols)	Create a scheme for the DDC compression given a list of columns.
final String	toString()

Methods inherited from class org.apache.sysds.runtime.compress.colgroup.scheme.ACLAScheme

clone, encode, encode, encodeT, encodeT, update, update, updateAndEncode, updateAndEncode, updateAndEncodeT, updateAndEncodeT, updateT, updateT

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Details

create

public static DDCScheme create(ColGroupDDC g)

Create a scheme for the DDC compression given

Parameters:

g - A DDC Column group

Returns:

A DDC Compression scheme

create

public static DDCScheme create(IColIndex cols)

Create a scheme for the DDC compression given a list of columns.

Parameters:

cols - The columns to compress

Returns:

A DDC Compression scheme

toString

public final String toString()

Overrides:

toString in class Object