org.redisson.api

Interface RHyperLogLogReactive<V>

Type Parameters:

V - type of stored values

All Superinterfaces:

RExpirableReactive, RObjectReactive

public interface RHyperLogLogReactive<V>
extends RExpirableReactive

Probabilistic data structure that lets you maintain counts of millions of items with extreme space efficiency. Reactive interface.

Author:

Nikita Koksharov

Method Summary

Modifier and Type	Method and Description
reactor.core.publisher.Mono<Boolean>	add(V obj) Adds element into this structure.
reactor.core.publisher.Mono<Boolean>	addAll(Collection<V> objects) Adds all elements contained in objects collection into this structure
reactor.core.publisher.Mono<Long>	count() Returns approximated number of unique elements added into this structure.
reactor.core.publisher.Mono<Long>	countWith(String... otherLogNames) Returns approximated number of unique elements added into this instances and other instances defined through otherLogNames.
reactor.core.publisher.Mono<Void>	mergeWith(String... otherLogNames) Merges multiple instances into this instance.

Methods inherited from interface org.redisson.api.RExpirableReactive

clearExpire, expire, expireAt, expireAt, remainTimeToLive

Methods inherited from interface org.redisson.api.RObjectReactive

addListener, copy, delete, dump, getCodec, getName, isExists, migrate, move, removeListener, rename, renamenx, restore, restore, restoreAndReplace, restoreAndReplace, sizeInMemory, touch, unlink

Method Detail

add

reactor.core.publisher.Mono<Boolean> add(V obj)

Adds element into this structure.

Parameters:

obj - - element to add

Returns:

true if object has been added or false if it was already added

addAll

reactor.core.publisher.Mono<Boolean> addAll(Collection<V> objects)

Adds all elements contained in objects collection into this structure

Parameters:

objects - - elements to add

Returns:

true if at least one object has been added or false if all were already added

count

reactor.core.publisher.Mono<Long> count()

Returns approximated number of unique elements added into this structure.

Returns:

approximated number of unique elements added into this structure

countWith

reactor.core.publisher.Mono<Long> countWith(String... otherLogNames)

Returns approximated number of unique elements added into this instances and other instances defined through otherLogNames.

Parameters:

otherLogNames - - name of instances

Returns:

number

mergeWith

reactor.core.publisher.Mono<Void> mergeWith(String... otherLogNames)

Merges multiple instances into this instance.

Parameters:

otherLogNames - - name of instances

Returns:

void