spring-data-redis LettuceClusterTopologyProvider 源码
spring-data-redis LettuceClusterTopologyProvider 代码
文件路径：/src/main/java/org/springframework/data/redis/connection/lettuce/LettuceClusterTopologyProvider.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 io.lettuce.core.cluster.RedisClusterClient;
import java.util.LinkedHashSet;
import org.springframework.data.redis.connection.ClusterTopology;
import org.springframework.data.redis.connection.ClusterTopologyProvider;
import org.springframework.util.Assert;
/**
* Lettuce specific implementation of {@link ClusterTopologyProvider}.
*
* @author Christoph Strobl
* @author Mark Paluch
* @since 1.7
*/
class LettuceClusterTopologyProvider implements ClusterTopologyProvider {
private final RedisClusterClient client;
/**
* @param client must not be {@literal null}.
*/
LettuceClusterTopologyProvider(RedisClusterClient client) {
Assert.notNull(client, "RedisClusterClient must not be null");
this.client = client;
}
@Override
public ClusterTopology getTopology() {
return new ClusterTopology(new LinkedHashSet<>(LettuceConverters.partitionsToClusterNodes(client.getPartitions())));
}
}
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