spring-data-redis DefaultHyperLogLogOperations 源码
spring-data-redis DefaultHyperLogLogOperations 代码
文件路径：/src/main/java/org/springframework/data/redis/core/DefaultHyperLogLogOperations.java
/*
* Copyright 2014-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.data.redis.core;
import java.util.Arrays;
/**
* @author Christoph Strobl
* @since 1.5
* @param <K>
* @param <V>
*/
class DefaultHyperLogLogOperations<K, V> extends AbstractOperations<K, V> implements HyperLogLogOperations<K, V> {
DefaultHyperLogLogOperations(RedisTemplate<K, V> template) {
super(template);
}
@Override
public Long add(K key, V... values) {
byte[] rawKey = rawKey(key);
byte[][] rawValues = rawValues(values);
return execute(connection -> connection.pfAdd(rawKey, rawValues));
}
@Override
public Long size(K... keys) {
byte[][] rawKeys = rawKeys(Arrays.asList(keys));
return execute(connection -> connection.pfCount(rawKeys));
}
@Override
public Long union(K destination, K... sourceKeys) {
byte[] rawDestinationKey = rawKey(destination);
byte[][] rawSourceKeys = rawKeys(Arrays.asList(sourceKeys));
return execute(connection -> {
connection.pfMerge(rawDestinationKey, rawSourceKeys);
return connection.pfCount(rawDestinationKey);
});
}
@Override
public void delete(K key) {
template.delete(key);
}
}
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