com.basho.riak.client.core.query.crdt.types

Class RiakHll

java.lang.Object

com.basho.riak.client.core.query.crdt.types.RiakDatatype

com.basho.riak.client.core.query.crdt.types.RiakHll

public class RiakHll
extends RiakDatatype

Representation of the Riak HyperLogLog datatype.

Contains the estimated cardinality of the Hll.

Since:

2.1.0

Author:

Alex Moore

Constructor Summary

Constructors

Constructor and Description
RiakHll(long cardinality)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
long	getCardinality() Get the cardinality of the HyperLogLog as a long.
int	hashCode()
String	toString()
Long	view() Get the cardinality of the HyperLogLog as a Long.

Methods inherited from class com.basho.riak.client.core.query.crdt.types.RiakDatatype

getAsCounter, getAsFlag, getAsHll, getAsMap, getAsRegister, getAsSet, isCounter, isFlag, isHll, isMap, isRegister, isSet

Methods inherited from class java.lang.Object

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

Constructor Detail

RiakHll

public RiakHll(long cardinality)

Method Detail

view

public Long view()

Get the cardinality of the HyperLogLog as a Long.

Specified by:

view in class RiakDatatype

Returns:

the estimated cardinality for this HyperLogLog.

getCardinality

public long getCardinality()

Get the cardinality of the HyperLogLog as a long.

Returns:

the estimated cardinality for this HyperLogLog.

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object