Package org.apache.cassandra.utils.streamhist

Class TombstoneHistogram

java.lang.Object

org.apache.cassandra.utils.streamhist.TombstoneHistogram

public class TombstoneHistogram
extends java.lang.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

Field Summary

Fields

Modifier and Type	Field	Description
static TombstoneHistogram.HistogramSerializer	serializer

Method Summary

Modifier and Type	Method	Description
static TombstoneHistogram	createDefault()
boolean	equals(java.lang.Object o)
<E extends java.lang.Exception> void	forEach(HistogramDataConsumer<E> histogramDataConsumer)
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

Field Detail

serializer

public static final TombstoneHistogram.HistogramSerializer serializer

Method Detail

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 java.lang.Exception> void forEach(HistogramDataConsumer<E> histogramDataConsumer)
                                             throws E extends java.lang.Exception

Throws:

E extends java.lang.Exception

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