spring-data-redis LettuceReactiveClusterZSetCommands 源码
spring-data-redis LettuceReactiveClusterZSetCommands 代码
文件路径：/src/main/java/org/springframework/data/redis/connection/lettuce/LettuceReactiveClusterZSetCommands.java
/*
* Copyright 2016-2022 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 reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import org.reactivestreams.Publisher;
import org.springframework.dao.InvalidDataAccessApiUsageException;
import org.springframework.data.redis.connection.ClusterSlotHashUtil;
import org.springframework.data.redis.connection.ReactiveClusterZSetCommands;
import org.springframework.data.redis.connection.ReactiveRedisConnection.NumericResponse;
import org.springframework.util.Assert;
/**
* @author Christoph Strobl
* @author Mark Paluch
* @since 2.0
*/
class LettuceReactiveClusterZSetCommands extends LettuceReactiveZSetCommands implements ReactiveClusterZSetCommands {
/**
* Create new {@link LettuceReactiveClusterZSetCommands}.
*
* @param connection must not be {@literal null}.
*/
LettuceReactiveClusterZSetCommands(LettuceReactiveRedisConnection connection) {
super(connection);
}
@Override
public Flux<NumericResponse<ZAggregateStoreCommand, Long>> zUnionStore(
Publisher<? extends ZAggregateStoreCommand> commands) {
return getConnection().execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notEmpty(command.getSourceKeys(), "Source keys must not be null or empty");
if (ClusterSlotHashUtil.isSameSlotForAllKeys(command.getSourceKeys())) {
return super.zUnionStore(Mono.just(command));
}
return Mono
.error(new InvalidDataAccessApiUsageException("All keys must map to the same slot for ZUNIONSTORE command."));
}));
}
@Override
public Flux<NumericResponse<ZAggregateStoreCommand, Long>> zInterStore(
Publisher<? extends ZAggregateStoreCommand> commands) {
return getConnection().execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notEmpty(command.getSourceKeys(), "Source keys must not be null or empty");
if (ClusterSlotHashUtil.isSameSlotForAllKeys(command.getSourceKeys())) {
return super.zInterStore(Mono.just(command));
}
return Mono
.error(new InvalidDataAccessApiUsageException("All keys must map to the same slot for ZINTERSTORE command."));
}));
}
}
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