org.redisson.api

Interface RHyperLogLogAsync<V>

Type Parameters:

V - type of stored values

All Superinterfaces:

RExpirableAsync, RObjectAsync

All Known Subinterfaces:

RHyperLogLog<V>

All Known Implementing Classes:

RedissonHyperLogLog

public interface RHyperLogLogAsync<V>
extends RExpirableAsync

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

Author:

Nikita Koksharov

Method Summary

Modifier and Type	Method and Description
RFuture<Boolean>	addAllAsync(Collection<V> objects) Adds all elements contained in objects collection into this structure
RFuture<Boolean>	addAsync(V obj) Adds element into this structure.
RFuture<Long>	countAsync() Returns approximated number of unique elements added into this structure.
RFuture<Long>	countWithAsync(String... otherLogNames) Returns approximated number of unique elements added into this instances and other instances defined through otherLogNames.
RFuture<Void>	mergeWithAsync(String... otherLogNames) Merges multiple instances into this instance.

Methods inherited from interface org.redisson.api.RExpirableAsync

clearExpireAsync, expireAsync, expireAtAsync, expireAtAsync, remainTimeToLiveAsync

Methods inherited from interface org.redisson.api.RObjectAsync

addListenerAsync, copyAsync, deleteAsync, dumpAsync, getIdleTimeAsync, isExistsAsync, migrateAsync, moveAsync, removeListenerAsync, renameAsync, renamenxAsync, restoreAndReplaceAsync, restoreAndReplaceAsync, restoreAsync, restoreAsync, sizeInMemoryAsync, touchAsync, unlinkAsync

Method Detail

addAsync

RFuture<Boolean> addAsync(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

addAllAsync

RFuture<Boolean> addAllAsync(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

countAsync

RFuture<Long> countAsync()

Returns approximated number of unique elements added into this structure.

Returns:

approximated number of unique elements added into this structure

countWithAsync

RFuture<Long> countWithAsync(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

mergeWithAsync

RFuture<Void> mergeWithAsync(String... otherLogNames)

Merges multiple instances into this instance.

Parameters:

otherLogNames - - name of instances

Returns:

void