org.springframework.data.redis.connection.lettuce.LettuceReactiveHyperLogLogCommands Maven / Gradle / Ivy
/*
* Copyright 2016-2018 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
*
* http://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 java.nio.ByteBuffer;
import org.reactivestreams.Publisher;
import org.springframework.data.redis.connection.ReactiveHyperLogLogCommands;
import org.springframework.data.redis.connection.ReactiveRedisConnection.BooleanResponse;
import org.springframework.data.redis.connection.ReactiveRedisConnection.NumericResponse;
import org.springframework.util.Assert;
/**
* @author Christoph Strobl
* @author Mark Paluch
* @since 2.0
*/
class LettuceReactiveHyperLogLogCommands implements ReactiveHyperLogLogCommands {
private final LettuceReactiveRedisConnection connection;
/**
* Create new {@link LettuceReactiveHyperLogLogCommands}.
*
* @param connection must not be {@literal null}.
*/
LettuceReactiveHyperLogLogCommands(LettuceReactiveRedisConnection connection) {
Assert.notNull(connection, "Connection must not be null!");
this.connection = connection;
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveHyperLogLogCommands#pfAdd(org.reactivestreams.Publisher)
*/
@Override
public Flux> pfAdd(Publisher commands) {
return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notNull(command.getKey(), "key must not be null!");
return cmd.pfadd(command.getKey(), command.getValues().stream().toArray(ByteBuffer[]::new))
.map(value -> new NumericResponse<>(command, value));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveHyperLogLogCommands#pfCount(org.reactivestreams.Publisher)
*/
@Override
public Flux> pfCount(Publisher commands) {
return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notEmpty(command.getKeys(), "Keys must not be empty for PFCOUNT.");
return cmd.pfcount(command.getKeys().stream().toArray(ByteBuffer[]::new))
.map(value -> new NumericResponse<>(command, value));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveHyperLogLogCommands#pfMerge(org.reactivestreams.Publisher)
*/
@Override
public Flux> pfMerge(Publisher commands) {
return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notNull(command.getKey(), "Destination key must not be null for PFMERGE.");
Assert.notEmpty(command.getSourceKeys(), "Source keys must not be null for PFMERGE.");
return cmd.pfmerge(command.getKey(), command.getSourceKeys().stream().toArray(ByteBuffer[]::new))
.map(LettuceConverters::stringToBoolean).map(value -> new BooleanResponse<>(command, value));
}));
}
protected LettuceReactiveRedisConnection getConnection() {
return connection;
}
}