com.facebook.presto.spi

Class SplitWeight

java.lang.Object

com.facebook.presto.spi.SplitWeight

public final class SplitWeight
extends Object

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object other)
static SplitWeight	fromProportion(double weight)
static SplitWeight	fromRawValue(long value)
long	getRawValue()
int	hashCode()
static long	rawValueForStandardSplitCount(int splitCount)
static <T> long	rawValueSum(Collection<T> collection, Function<T,SplitWeight> getter)
static SplitWeight	standard()
String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

getRawValue

public long getRawValue()

Returns:

The internal integer representation for this weight value

equals

public boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object

fromRawValue

public static SplitWeight fromRawValue(long value)

standard

public static SplitWeight standard()

fromProportion

public static SplitWeight fromProportion(double weight)

rawValueForStandardSplitCount

public static long rawValueForStandardSplitCount(int splitCount)

rawValueSum

public static <T> long rawValueSum(Collection<T> collection,
                                   Function<T,SplitWeight> getter)