HyperLogLogCommands (Quarkus - Redis Client - Runtime 2.12.1.Final API)

Type Parameters:

K - the type of the key

V - the type of the value stored in the sets

All Known Implementing Classes:

BlockingHyperLogLogCommandsImpl
```
public interface HyperLogLogCommands<K,V>
```
Allows executing commands from the hyperloglog group. See the hyperloglog command list for further information about these commands.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`pfadd(K key, V... values)`	Execute the command PFADD.
`long`	`pfcount(K... keys)`	Execute the command PFCOUNT.
`void`	`pfmerge(K destkey, K... sourcekeys)`	Execute the command PFMERGE.

- Method Detail
  - pfadd
```
boolean pfadd(K key,
              V... values)
```
    Execute the command PFADD. Summary: Adds the specified elements to the specified HyperLogLog. Group: hyperloglog Requires Redis 2.8.9
    
    Parameters:
    
    key - the key
    
    values - the values
    
    Returns:
    
    true at least 1 HyperLogLog internal register was altered. 0 otherwise.
  - pfmerge
```
void pfmerge(K destkey,
             K... sourcekeys)
```
    Execute the command PFMERGE. Summary: Merge N different HyperLogLogs into a single one. Group: hyperloglog Requires Redis 2.8.9
    
    Parameters:
    
    destkey - the key
    
    sourcekeys - the source keys
  - pfcount
```
long pfcount(K... keys)
```
    Execute the command PFCOUNT. Summary: Return the approximated cardinality of the set(s) observed by the HyperLogLog at key(s). Group: hyperloglog Requires Redis 2.8.9
    
    Returns:
    
    The approximated number of unique elements observed via PFADD.