org.datavec.dataframe.util

Class BitmapBackedSelection

java.lang.Object

org.datavec.dataframe.util.BitmapBackedSelection

All Implemented Interfaces:

it.unimi.dsi.fastutil.ints.IntIterable, java.lang.Iterable<java.lang.Integer>, Selection

public class BitmapBackedSelection
extends java.lang.Object
implements Selection

Constructor Summary

Constructors

Constructor and Description
BitmapBackedSelection()
BitmapBackedSelection(org.roaringbitmap.RoaringBitmap bitmap)

Method Summary

Modifier and Type	Method and Description
void	add(int i) Adds the given integer to the Selection if it is not already present, and does nothing otherwise
void	addRange(int start, int end) Adds to the current bitmap all integers in [rangeStart,rangeEnd)
void	and(Selection otherSelection) Intersects the receiver and otherSelection, updating the receiver
void	andNot(Selection otherSelection) Implements the set difference operation between the receiver and otherSelection, updating the receiver
void	clear()
boolean	contains(int i)
boolean	equals(java.lang.Object o)
int	get(int i)
int	hashCode()
boolean	isEmpty()
it.unimi.dsi.fastutil.ints.IntIterator	iterator()
void	or(Selection otherSelection) Implements the union of the receiver and otherSelection, updating the receiver
int	size()
int[]	toArray()
org.roaringbitmap.RoaringBitmap	toBitmap() Returns an IntArrayList containing the ints in this selection
it.unimi.dsi.fastutil.ints.IntArrayList	toIntArrayList()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

BitmapBackedSelection

public BitmapBackedSelection(org.roaringbitmap.RoaringBitmap bitmap)

BitmapBackedSelection

public BitmapBackedSelection()

Method Detail

add

public void add(int i)

Description copied from interface: Selection

Adds the given integer to the Selection if it is not already present, and does nothing otherwise

Specified by:

add in interface Selection

size

public int size()

Specified by:

size in interface Selection

toArray

public int[] toArray()

Specified by:

toArray in interface Selection

toBitmap

public org.roaringbitmap.RoaringBitmap toBitmap()

Description copied from interface: Selection

Returns an IntArrayList containing the ints in this selection

Specified by:

toBitmap in interface Selection

toIntArrayList

public it.unimi.dsi.fastutil.ints.IntArrayList toIntArrayList()

Specified by:

toIntArrayList in interface Selection

and

public void and(Selection otherSelection)

Intersects the receiver and otherSelection, updating the receiver

Specified by:

and in interface Selection

or

public void or(Selection otherSelection)

Implements the union of the receiver and otherSelection, updating the receiver

Specified by:

or in interface Selection

andNot

public void andNot(Selection otherSelection)

Implements the set difference operation between the receiver and otherSelection, updating the receiver

Specified by:

andNot in interface Selection

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Selection

clear

public void clear()

Specified by:

clear in interface Selection

contains

public boolean contains(int i)

Specified by:

contains in interface Selection

addRange

public void addRange(int start,
                     int end)

Adds to the current bitmap all integers in [rangeStart,rangeEnd)

Specified by:

addRange in interface Selection

Parameters:

start - inclusive beginning of range

end - exclusive ending of range

get

public int get(int i)

Specified by:

get in interface Selection

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

iterator

public it.unimi.dsi.fastutil.ints.IntIterator iterator()

Specified by:

iterator in interface it.unimi.dsi.fastutil.ints.IntIterable

Specified by:

iterator in interface java.lang.Iterable<java.lang.Integer>