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

Class AColIndex

java.lang.Object

org.apache.sysds.runtime.compress.colgroup.indexes.AColIndex

All Implemented Interfaces:

IColIndex

Direct Known Subclasses:

ArrayIndex, RangeIndex, SingleIndex, TwoIndex

public abstract class AColIndex
extends Object
implements IColIndex

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.sysds.runtime.compress.colgroup.indexes.IColIndex

IColIndex.ColIndexType, IColIndex.SliceResult

Constructor Summary

Constructors

Constructor	Description
AColIndex()

Method Summary

Modifier and Type	Method	Description
boolean	contains(IColIndex a, IColIndex b)	This contains method is not strict since it only verifies one element is contained from each a and b.
boolean	containsStrict(IColIndex a, IColIndex b)	This contains both a and b ...
boolean	equals(Object other)
int	hashCode()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.sysds.runtime.compress.colgroup.indexes.IColIndex

combine, equals, estimateInMemorySize, findIndex, get, getExactSizeOnDisk, isContiguous, iterator, shift, size, slice, write

Constructor Detail

AColIndex

public AColIndex()

Method Detail

hashCode

public int hashCode()

Specified by:

hashCode in interface IColIndex

Overrides:

hashCode in class Object

equals

public boolean equals(Object other)

Specified by:

equals in interface IColIndex

Overrides:

equals in class Object

contains

public boolean contains(IColIndex a,
                        IColIndex b)

Description copied from interface: IColIndex

This contains method is not strict since it only verifies one element is contained from each a and b.

Specified by:

contains in interface IColIndex

Parameters:

a - one array to contain at least one value from

b - another array to contain at least one value from

Returns:

if the other arrays contain values from this array

containsStrict

public boolean containsStrict(IColIndex a,
                              IColIndex b)

Description copied from interface: IColIndex

This contains both a and b ... it is strict because it verifies all cells. Note it returns false if there are more elements in this than the sum of a and b.

Specified by:

containsStrict in interface IColIndex

Parameters:

a - one other array to contain

b - another array to contain

Returns:

if this array contains both a and b