org.springframework.data.redis.core

Class DefaultHyperLogLogOperations<K,V>

java.lang.Object

org.springframework.data.redis.core.DefaultHyperLogLogOperations<K,V>

Type Parameters:

K -

V -

All Implemented Interfaces:

HyperLogLogOperations<K,V>

public class DefaultHyperLogLogOperations<K,V>
extends Object
implements HyperLogLogOperations<K,V>

Since:

1.5

Constructor Summary

Constructors

Constructor and Description
DefaultHyperLogLogOperations(RedisTemplate<K,V> template)

Method Summary

Methods

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

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultHyperLogLogOperations

public DefaultHyperLogLogOperations(RedisTemplate<K,V> template)

Method Detail

add

public Long add(K key,
       V... values)

Description copied from interface: HyperLogLogOperations

Adds the given values to the key.

Specified by:

add in interface HyperLogLogOperations<K,V>

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

public Long size(K... keys)

Description copied from interface: HyperLogLogOperations

Gets the current number of elements within the key.

Specified by:

size in interface HyperLogLogOperations<K,V>

Parameters:

keys - must not be null or empty.

Returns:

union

public Long union(K destination,
         K... sourceKeys)

Description copied from interface: HyperLogLogOperations

Merges all values of given sourceKeys into destination key.

Specified by:

union in interface HyperLogLogOperations<K,V>

Parameters:

destination - key of HyperLogLog to move source keys into.

sourceKeys - must not be null or empty.

delete

public void delete(K key)

Description copied from interface: HyperLogLogOperations

Removes the given key.

Specified by:

delete in interface HyperLogLogOperations<K,V>

Parameters:

key - must not be null.

getOperations

public RedisOperations<K,V> getOperations()