org.openingo.spring.extension.data.redis.commands

Interface IHyperLogLogCommands<K,V>

All Known Subinterfaces:

IRedisCommands<K,V>

All Known Implementing Classes:

AbstractRedisCommands, RedisTemplateX, StringRedisTemplateX

public interface IHyperLogLogCommands<K,V>

IHyperLogLogCommands

Author:

Qicz

Method Summary

Modifier and Type	Method and Description
Long	pfAdd(K key, V... values) Adds the given values to the key.
Long	pfCount(K... keys) Gets the current number of elements within the key.
Long	pfMerge(K destination, K... sourceKeys) Merges all values of given sourceKeys into destination key.

Method Detail

pfAdd

Long pfAdd(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. null when used in pipeline / transaction.

See Also:

Redis Documentation: PFADD

pfCount

Long pfCount(K... keys)

Gets the current number of elements within the key.

Parameters:

keys - must not be null or empty.

Returns:

null when used in pipeline / transaction.

See Also:

Redis Documentation: PFCOUNT

pfMerge

Long pfMerge(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.

Returns:

null when used in pipeline / transaction.

See Also:

Redis Documentation: PFMERGE