Package org.springframework.data.redis.core

Interface ReactiveHyperLogLogOperations<K,V>

public interface ReactiveHyperLogLogOperations<K,V>

Reactive Redis operations for working on a HyperLogLog multiset.

Since:

2.0

Author:

Mark Paluch

Method Summary

Modifier and Type	Method	Description
reactor.core.publisher.Mono<Long>	add(K key, V... values)	Adds the given values to the key.
reactor.core.publisher.Mono<Boolean>	delete(K key)	Removes the given key.
reactor.core.publisher.Mono<Long>	size(K... keys)	Gets the current number of elements within the key.
reactor.core.publisher.Mono<Boolean>	union(K destination, K... sourceKeys)	Merges all values of given sourceKeys into destination key.

Method Details

add

reactor.core.publisher.Mono<Long> add(K key,
 V... values)

Adds the given values to the key.

Parameters:

key - must not be null.

values - must not be null.

Returns:

1 of at least one of the values was added to the key; 0 otherwise.

size

reactor.core.publisher.Mono<Long> size(K... keys)

Gets the current number of elements within the key.

Parameters:

keys - must not be null or empty.

Returns:

union

reactor.core.publisher.Mono<Boolean> union(K destination,
 K... sourceKeys)

Merges all values of given sourceKeys into destination key.

Parameters:

destination - key of HyperLogLog to move source keys into.

sourceKeys - must not be null or empty.

delete

reactor.core.publisher.Mono<Boolean> delete(K key)

Removes the given key.

Parameters:

key - must not be null.