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/**
* Copyright (c) 2013-2024 Nikita Koksharov
*
* 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.redisson.spring.data.connection;
import org.reactivestreams.Publisher;
import org.redisson.client.codec.ByteArrayCodec;
import org.redisson.client.codec.StringCodec;
import org.redisson.client.protocol.RedisCommands;
import org.redisson.client.protocol.RedisStrictCommand;
import org.redisson.client.protocol.convertor.BooleanReplayConvertor;
import org.redisson.client.protocol.convertor.Convertor;
import org.redisson.reactive.CommandReactiveExecutor;
import org.springframework.data.redis.connection.DataType;
import org.springframework.data.redis.connection.ReactiveKeyCommands;
import org.springframework.data.redis.connection.ReactiveRedisConnection.*;
import org.springframework.util.Assert;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import java.nio.ByteBuffer;
import java.util.List;
import java.util.stream.Collectors;
/**
*
* @author Nikita Koksharov
*
*/
public class RedissonReactiveKeyCommands extends RedissonBaseReactive implements ReactiveKeyCommands {
public RedissonReactiveKeyCommands(CommandReactiveExecutor executorService) {
super(executorService);
}
@Override
public Flux> exists(Publisher keys) {
return execute(keys, key -> {
Assert.notNull(key.getKey(), "Key must not be null!");
byte[] keyBuf = toByteArray(key.getKey());
Mono m = read(keyBuf, StringCodec.INSTANCE, RedisCommands.EXISTS, keyBuf);
return m.map(v -> new BooleanResponse<>(key, v));
});
}
private static final RedisStrictCommand TYPE = new RedisStrictCommand("TYPE", new Convertor() {
@Override
public DataType convert(Object obj) {
return DataType.fromCode(obj.toString());
}
});
@Override
public Flux> type(Publisher keys) {
return execute(keys, key -> {
Assert.notNull(key.getKey(), "Key must not be null!");
byte[] keyBuf = toByteArray(key.getKey());
Mono m = read(keyBuf, StringCodec.INSTANCE, TYPE, keyBuf);
return m.map(v -> new CommandResponse<>(key, v));
});
}
@Override
public Flux> keys(Publisher patterns) {
return execute(patterns, pattern -> {
Assert.notNull(pattern, "Pattern must not be null!");
Mono> m = read(null, StringCodec.INSTANCE, RedisCommands.KEYS, toByteArray(pattern));
return m.map(v -> {
List values = v.stream().map(t -> ByteBuffer.wrap(t.getBytes())).collect(Collectors.toList());
return new MultiValueResponse<>(pattern, values);
});
});
}
@Override
public Mono randomKey() {
return executorService.reactive(() -> {
return executorService.readRandomAsync(ByteArrayCodec.INSTANCE, RedisCommands.RANDOM_KEY);
});
}
static final RedisStrictCommand RENAME = new RedisStrictCommand("RENAME");
@Override
public Flux> rename(Publisher commands) {
return execute(commands, command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
Assert.notNull(command.getNewName(), "New name must not be null!");
byte[] keyBuf = toByteArray(command.getKey());
byte[] newKeyBuf = toByteArray(command.getNewName());
Mono m = write(keyBuf, StringCodec.INSTANCE, RENAME, keyBuf, newKeyBuf);
return m.map(v -> new BooleanResponse<>(command, true));
});
}
@Override
public Flux> renameNX(Publisher commands) {
return execute(commands, command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
Assert.notNull(command.getNewName(), "New name must not be null!");
byte[] keyBuf = toByteArray(command.getKey());
byte[] newKeyBuf = toByteArray(command.getNewName());
Mono m = write(keyBuf, StringCodec.INSTANCE, RedisCommands.RENAMENX, keyBuf, newKeyBuf);
return m.map(v -> new BooleanResponse<>(command, v));
});
}
@Override
public Flux> del(Publisher keys) {
Flux s = Flux.from(keys);
return s.concatMap(command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
byte[] keyBuf = toByteArray(command.getKey());
Mono m = write(keyBuf, StringCodec.INSTANCE, RedisCommands.DEL, keyBuf);
return m.map(v -> new NumericResponse<>(command, v));
});
}
@Override
public Flux, Long>> mDel(Publisher> keys) {
return execute(keys, coll -> {
Assert.notNull(coll, "List must not be null!");
Object[] params = coll.stream().map(buf -> toByteArray(buf)).toArray(Object[]::new);
Mono m = write(null, StringCodec.INSTANCE, RedisCommands.DEL, params);
return m.map(v -> new NumericResponse<>(coll, v));
});
}
private static final RedisStrictCommand EXPIRE = new RedisStrictCommand("EXPIRE", new BooleanReplayConvertor());
@Override
public Flux> expire(Publisher commands) {
return execute(commands, command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
byte[] keyBuf = toByteArray(command.getKey());
Mono m = write(keyBuf, StringCodec.INSTANCE, EXPIRE, keyBuf, command.getTimeout().getSeconds());
return m.map(v -> new BooleanResponse<>(command, v));
});
}
@Override
public Flux> pExpire(Publisher commands) {
return execute(commands, command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
byte[] keyBuf = toByteArray(command.getKey());
Mono m = write(keyBuf, StringCodec.INSTANCE, RedisCommands.PEXPIRE, keyBuf, command.getTimeout().toMillis());
return m.map(v -> new BooleanResponse<>(command, v));
});
}
private static final RedisStrictCommand EXPIREAT = new RedisStrictCommand("EXPIREAT", new BooleanReplayConvertor());
@Override
public Flux> expireAt(Publisher commands) {
return execute(commands, command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
byte[] keyBuf = toByteArray(command.getKey());
Mono m = write(keyBuf, StringCodec.INSTANCE, EXPIREAT, keyBuf, command.getExpireAt().getEpochSecond());
return m.map(v -> new BooleanResponse<>(command, v));
});
}
@Override
public Flux> pExpireAt(Publisher commands) {
return execute(commands, command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
byte[] keyBuf = toByteArray(command.getKey());
Mono m = write(keyBuf, StringCodec.INSTANCE, RedisCommands.PEXPIREAT, keyBuf, command.getExpireAt().toEpochMilli());
return m.map(v -> new BooleanResponse<>(command, v));
});
}
@Override
public Flux> persist(Publisher commands) {
return execute(commands, command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
byte[] keyBuf = toByteArray(command.getKey());
Mono m = write(keyBuf, StringCodec.INSTANCE, RedisCommands.PERSIST, keyBuf);
return m.map(v -> new BooleanResponse<>(command, v));
});
}
private static final RedisStrictCommand TTL = new RedisStrictCommand("TTL");
@Override
public Flux> ttl(Publisher commands) {
return execute(commands, command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
byte[] keyBuf = toByteArray(command.getKey());
Mono m = read(keyBuf, StringCodec.INSTANCE, TTL, keyBuf);
return m.map(v -> new NumericResponse<>(command, v));
});
}
@Override
public Flux> pTtl(Publisher commands) {
return execute(commands, command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
byte[] keyBuf = toByteArray(command.getKey());
Mono m = read(keyBuf, StringCodec.INSTANCE, RedisCommands.PTTL, keyBuf);
return m.map(v -> new NumericResponse<>(command, v));
});
}
@Override
public Flux> move(Publisher commands) {
return execute(commands, command -> {
Assert.notNull(command.getKey(), "Key must not be null!");
Assert.notNull(command.getDatabase(), "Database must not be null!");
byte[] keyBuf = toByteArray(command.getKey());
Mono m = write(keyBuf, StringCodec.INSTANCE, RedisCommands.MOVE, keyBuf, command.getDatabase());
return m.map(v -> new BooleanResponse<>(command, v));
});
}
}
