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/*
* 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 io.lettuce.core.ScanStream;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import java.nio.ByteBuffer;
import org.reactivestreams.Publisher;
import org.springframework.data.redis.connection.ReactiveRedisConnection.BooleanResponse;
import org.springframework.data.redis.connection.ReactiveRedisConnection.ByteBufferResponse;
import org.springframework.data.redis.connection.ReactiveRedisConnection.CommandResponse;
import org.springframework.data.redis.connection.ReactiveRedisConnection.KeyCommand;
import org.springframework.data.redis.connection.ReactiveRedisConnection.KeyScanCommand;
import org.springframework.data.redis.connection.ReactiveRedisConnection.NumericResponse;
import org.springframework.data.redis.connection.ReactiveSetCommands;
import org.springframework.util.Assert;
/**
* @author Christoph Strobl
* @author Mark Paluch
* @since 2.0
*/
class LettuceReactiveSetCommands implements ReactiveSetCommands {
private final LettuceReactiveRedisConnection connection;
/**
* Create new {@link LettuceReactiveSetCommands}.
*
* @param connection must not be {@literal null}.
*/
LettuceReactiveSetCommands(LettuceReactiveRedisConnection connection) {
Assert.notNull(connection, "Connection must not be null!");
this.connection = connection;
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sAdd(org.reactivestreams.Publisher)
*/
@Override
public Flux> sAdd(Publisher commands) {
return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
Assert.notNull(command.getValues(), "Values must not be null!");
return cmd.sadd(command.getKey(), command.getValues().toArray(new ByteBuffer[0]))
.map(value -> new NumericResponse<>(command, value));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sRem(org.reactivestreams.Publisher)
*/
@Override
public Flux> sRem(Publisher commands) {
return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
Assert.notNull(command.getValues(), "Values must not be null!");
return cmd.srem(command.getKey(), command.getValues().toArray(new ByteBuffer[0]))
.map(value -> new NumericResponse<>(command, value));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sPop(org.reactivestreams.Publisher)
*/
@Override
public Flux> sPop(Publisher commands) {
return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
return cmd.spop(command.getKey()).map(value -> new ByteBufferResponse<>(command, value));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sPop(org.springframework.data.redis.connection.ReactiveSetCommands.SPopCommand)
*/
@Override
public Flux sPop(SPopCommand command) {
Assert.notNull(command, "Command must not be null!");
Assert.notNull(command.getKey(), "Key must not be null!");
return connection.execute(cmd -> cmd.spop(command.getKey(), command.getCount()));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sMove(org.reactivestreams.Publisher)
*/
@Override
public Flux> sMove(Publisher commands) {
return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
Assert.notNull(command.getDestination(), "Destination key must not be null!");
Assert.notNull(command.getValue(), "Value must not be null!");
return cmd.smove(command.getKey(), command.getDestination(), command.getValue())
.map(value -> new BooleanResponse<>(command, value));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sCard(org.reactivestreams.Publisher)
*/
@Override
public Flux> sCard(Publisher commands) {
return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
return cmd.scard(command.getKey()).map(value -> new NumericResponse<>(command, value));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sIsMember(org.reactivestreams.Publisher)
*/
@Override
public Flux> sIsMember(Publisher commands) {
return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
Assert.notNull(command.getValue(), "Value must not be null!");
return cmd.sismember(command.getKey(), command.getValue()).map(value -> new BooleanResponse<>(command, value));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sInter(org.reactivestreams.Publisher)
*/
@Override
public Flux>> sInter(Publisher commands) {
return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notNull(command.getKeys(), "Keys must not be null!");
Flux result = cmd.sinter(command.getKeys().toArray(new ByteBuffer[0]));
return Mono.just(new CommandResponse<>(command, result));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sInterStore(org.reactivestreams.Publisher)
*/
@Override
public Flux> sInterStore(Publisher commands) {
return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notNull(command.getKeys(), "Keys must not be null!");
Assert.notNull(command.getKey(), "Destination key must not be null!");
return cmd.sinterstore(command.getKey(), command.getKeys().toArray(new ByteBuffer[0]))
.map(value -> new NumericResponse<>(command, value));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sInter(org.reactivestreams.Publisher)
*/
@Override
public Flux>> sUnion(Publisher commands) {
return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notNull(command.getKeys(), "Keys must not be null!");
Flux result = cmd.sunion(command.getKeys().toArray(new ByteBuffer[0]));
return Mono.just(new CommandResponse<>(command, result));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sInterStore(org.reactivestreams.Publisher)
*/
@Override
public Flux> sUnionStore(Publisher commands) {
return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notNull(command.getKeys(), "Keys must not be null!");
Assert.notNull(command.getKey(), "Destination key must not be null!");
return cmd.sunionstore(command.getKey(), command.getKeys().toArray(new ByteBuffer[0]))
.map(value -> new NumericResponse<>(command, value));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sInter(org.reactivestreams.Publisher)
*/
@Override
public Flux>> sDiff(Publisher commands) {
return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notNull(command.getKeys(), "Keys must not be null!");
Flux result = cmd.sdiff(command.getKeys().toArray(new ByteBuffer[0]));
return Mono.just(new CommandResponse<>(command, result));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sInterStore(org.reactivestreams.Publisher)
*/
@Override
public Flux> sDiffStore(Publisher commands) {
return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notNull(command.getKeys(), "Keys must not be null!");
Assert.notNull(command.getKey(), "Destination key must not be null!");
return cmd.sdiffstore(command.getKey(), command.getKeys().toArray(new ByteBuffer[0]))
.map(value -> new NumericResponse<>(command, value));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sMembers(org.reactivestreams.Publisher)
*/
@Override
public Flux>> sMembers(Publisher commands) {
return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
Flux result = cmd.smembers(command.getKey());
return Mono.just(new CommandResponse<>(command, result));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sScan(org.reactivestreams.Publisher)
*/
@Override
public Flux>> sScan(Publisher commands) {
return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
Assert.notNull(command.getOptions(), "ScanOptions must not be null!");
Flux result = ScanStream.sscan(cmd, command.getKey(),
LettuceConverters.toScanArgs(command.getOptions()));
return Mono.just(new CommandResponse<>(command, result));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sRandMembers(org.reactivestreams.Publisher)
*/
@Override
public Flux>> sRandMember(
Publisher commands) {
return connection.execute(cmd -> Flux.from(commands).concatMap(command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
boolean singleElement = !command.getCount().isPresent() || command.getCount().get().equals(1L);
Publisher result = singleElement ? cmd.srandmember(command.getKey())
: cmd.srandmember(command.getKey(), command.getCount().get());
return Mono.just(new CommandResponse<>(command, Flux.from(result)));
}));
}
protected LettuceReactiveRedisConnection getConnection() {
return connection;
}
}
