/*
* Copyright 2016-2017 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 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.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}.
*/
public 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<NumericResponse<SAddCommand, Long>> sAdd(Publisher<SAddCommand> commands) {
return connection.execute(cmd -> Flux.from(commands).flatMap(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().stream().toArray(ByteBuffer[]::new))
.map(value -> new NumericResponse<>(command, value));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sRem(org.reactivestreams.Publisher)
*/
@Override
public Flux<NumericResponse<SRemCommand, Long>> sRem(Publisher<SRemCommand> commands) {
return connection.execute(cmd -> Flux.from(commands).flatMap(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().stream().toArray(ByteBuffer[]::new))
.map(value -> new NumericResponse<>(command, value));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sPop(org.reactivestreams.Publisher)
*/
@Override
public Flux<ByteBufferResponse<KeyCommand>> sPop(Publisher<KeyCommand> commands) {
return connection.execute(cmd -> Flux.from(commands).flatMap(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#sMove(org.reactivestreams.Publisher)
*/
@Override
public Flux<BooleanResponse<SMoveCommand>> sMove(Publisher<SMoveCommand> commands) {
return connection.execute(cmd -> Flux.from(commands).flatMap(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<NumericResponse<KeyCommand, Long>> sCard(Publisher<KeyCommand> commands) {
return connection.execute(cmd -> Flux.from(commands).flatMap(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<BooleanResponse<SIsMemberCommand>> sIsMember(Publisher<SIsMemberCommand> commands) {
return connection.execute(cmd -> Flux.from(commands).flatMap(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<CommandResponse<SInterCommand, Flux<ByteBuffer>>> sInter(Publisher<SInterCommand> commands) {
return connection.execute(cmd -> Flux.from(commands).flatMap(command -> {
Assert.notNull(command.getKeys(), "Keys must not be null!");
Flux<ByteBuffer> result = cmd.sinter(command.getKeys().stream().toArray(ByteBuffer[]::new));
return Mono.just(new CommandResponse<>(command, result));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sInterStore(org.reactivestreams.Publisher)
*/
@Override
public Flux<NumericResponse<SInterStoreCommand, Long>> sInterStore(Publisher<SInterStoreCommand> commands) {
return connection.execute(cmd -> Flux.from(commands).flatMap(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().stream().toArray(ByteBuffer[]::new))
.map(value -> new NumericResponse<>(command, value));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sInter(org.reactivestreams.Publisher)
*/
@Override
public Flux<CommandResponse<SUnionCommand, Flux<ByteBuffer>>> sUnion(Publisher<SUnionCommand> commands) {
return connection.execute(cmd -> Flux.from(commands).flatMap(command -> {
Assert.notNull(command.getKeys(), "Keys must not be null!");
Flux<ByteBuffer> result = cmd.sunion(command.getKeys().stream().toArray(ByteBuffer[]::new));
return Mono.just(new CommandResponse<>(command, result));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sInterStore(org.reactivestreams.Publisher)
*/
@Override
public Flux<NumericResponse<SUnionStoreCommand, Long>> sUnionStore(Publisher<SUnionStoreCommand> commands) {
return connection.execute(cmd -> Flux.from(commands).flatMap(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().stream().toArray(ByteBuffer[]::new))
.map(value -> new NumericResponse<>(command, value));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sInter(org.reactivestreams.Publisher)
*/
@Override
public Flux<CommandResponse<SDiffCommand, Flux<ByteBuffer>>> sDiff(Publisher<SDiffCommand> commands) {
return connection.execute(cmd -> Flux.from(commands).flatMap(command -> {
Assert.notNull(command.getKeys(), "Keys must not be null!");
Flux<ByteBuffer> result = cmd.sdiff(command.getKeys().stream().toArray(ByteBuffer[]::new));
return Mono.just(new CommandResponse<>(command, result));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sInterStore(org.reactivestreams.Publisher)
*/
@Override
public Flux<NumericResponse<SDiffStoreCommand, Long>> sDiffStore(Publisher<SDiffStoreCommand> commands) {
return connection.execute(cmd -> Flux.from(commands).flatMap(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().stream().toArray(ByteBuffer[]::new))
.map(value -> new NumericResponse<>(command, value));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sMembers(org.reactivestreams.Publisher)
*/
@Override
public Flux<CommandResponse<KeyCommand, Flux<ByteBuffer>>> sMembers(Publisher<KeyCommand> commands) {
return connection.execute(cmd -> Flux.from(commands).flatMap(command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
Flux<ByteBuffer> result = cmd.smembers(command.getKey());
return Mono.just(new CommandResponse<>(command, result));
}));
}
/*
* (non-Javadoc)
* @see org.springframework.data.redis.connection.ReactiveSetCommands#sRandMembers(org.reactivestreams.Publisher)
*/
@Override
public Flux<CommandResponse<SRandMembersCommand, Flux<ByteBuffer>>> sRandMember(
Publisher<SRandMembersCommand> commands) {
return connection.execute(cmd -> Flux.from(commands).flatMap(command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
boolean singleElement = !command.getCount().isPresent() || command.getCount().get().equals(1L);
Publisher<ByteBuffer> 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;
}
}