com.clearspring.analytics.stream.cardinality

Class RegisterSet

java.lang.Object

com.clearspring.analytics.stream.cardinality.RegisterSet

public class RegisterSet
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
int	count
static int	LOG2_BITS_PER_WORD
static int	REGISTER_SIZE
int	size

Constructor Summary

Constructors

Constructor and Description
RegisterSet(int count)
RegisterSet(int count, int[] initialValues)

Method Summary

Methods

Modifier and Type	Method and Description
int[]	bits()
int	get(int position)
static int	getBits(int count)
static int	getSizeForCount(int count)
void	merge(RegisterSet that)
void	set(int position, int value)
boolean	updateIfGreater(int position, int value)

Methods inherited from class java.lang.Object

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

Field Detail

LOG2_BITS_PER_WORD

public static final int LOG2_BITS_PER_WORD

See Also:

Constant Field Values

REGISTER_SIZE

public static final int REGISTER_SIZE

See Also:

Constant Field Values

count

public final int count

size

public final int size

Constructor Detail

RegisterSet

public RegisterSet(int count)

RegisterSet

public RegisterSet(int count,
           int[] initialValues)

Method Detail

getBits

public static int getBits(int count)

getSizeForCount

public static int getSizeForCount(int count)

set

public void set(int position,
       int value)

get

public int get(int position)

updateIfGreater

public boolean updateIfGreater(int position,
                      int value)

merge

public void merge(RegisterSet that)

bits

public int[] bits()