Package org.apache.cassandra.utils.streamhist

Class TombstoneHistogram

java.lang.Object

org.apache.cassandra.utils.streamhist.TombstoneHistogram

public class TombstoneHistogram
extends Object

A snapshot or finished histrogram of tombstones for a sstable, as generated from StreamingTombstoneHistogramBuilder.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	TombstoneHistogram.HistogramSerializer
static class	TombstoneHistogram.LegacyHistogramSerializer

Method Summary

Modifier and Type	Method	Description
static TombstoneHistogram	createDefault()
boolean	equals(Object o)
<E extends Exception> void	forEach(HistogramDataConsumer<E> histogramDataConsumer)
static TombstoneHistogram.HistogramSerializer	getSerializer(Version version)
int	hashCode()
int	size()
double	sum(double b)	Calculates estimated number of points in interval [-inf,b].

Methods inherited from class java.lang.Object

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

Method Details

createDefault

public static TombstoneHistogram createDefault()

sum

public double sum(double b)

Calculates estimated number of points in interval [-inf,b].

Parameters:

b - upper bound of a interval to calculate sum

Returns:

estimated number of points in a interval [-inf,b].

size

public int size()

forEach

public <E extends Exception> void forEach(HistogramDataConsumer<E> histogramDataConsumer)
                                   throws E

Throws:

E extends Exception

getSerializer

public static TombstoneHistogram.HistogramSerializer getSerializer(Version version)

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object