spring-data-redis LettuceClusterHyperLogLogCommands 源码
spring-data-redis LettuceClusterHyperLogLogCommands 代码
文件路径：/src/main/java/org/springframework/data/redis/connection/lettuce/LettuceClusterHyperLogLogCommands.java
/*
* Copyright 2017-2022 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.connection.lettuce;
import org.springframework.dao.InvalidDataAccessApiUsageException;
import org.springframework.data.redis.connection.ClusterSlotHashUtil;
import org.springframework.data.redis.util.ByteUtils;
/**
* @author Christoph Strobl
* @author Mark Paluch
* @since 2.0
*/
class LettuceClusterHyperLogLogCommands extends LettuceHyperLogLogCommands {
LettuceClusterHyperLogLogCommands(LettuceClusterConnection connection) {
super(connection);
}
@Override
public Long pfCount(byte[]... keys) {
if (ClusterSlotHashUtil.isSameSlotForAllKeys(keys)) {
return super.pfCount(keys);
}
throw new InvalidDataAccessApiUsageException("All keys must map to same slot for pfcount in cluster mode");
}
@Override
public void pfMerge(byte[] destinationKey, byte[]... sourceKeys) {
byte[][] allKeys = ByteUtils.mergeArrays(destinationKey, sourceKeys);
if (ClusterSlotHashUtil.isSameSlotForAllKeys(allKeys)) {
super.pfMerge(destinationKey, sourceKeys);
return;
}
throw new InvalidDataAccessApiUsageException("All keys must map to same slot for pfmerge in cluster mode");
}
}
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