org.springframework.data.redis.connection.lettuce.LettuceSetCommands Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of spring-data-redis Show documentation
Show all versions of spring-data-redis Show documentation
Spring Data module for Redis
/*
* Copyright 2017-2023 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 io.lettuce.core.ScanArgs;
import io.lettuce.core.ValueScanCursor;
import io.lettuce.core.api.async.RedisSetAsyncCommands;
import io.lettuce.core.cluster.api.sync.RedisClusterCommands;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import org.springframework.dao.InvalidDataAccessApiUsageException;
import org.springframework.data.redis.connection.RedisSetCommands;
import org.springframework.data.redis.core.Cursor;
import org.springframework.data.redis.core.KeyBoundCursor;
import org.springframework.data.redis.core.ScanIteration;
import org.springframework.data.redis.core.ScanOptions;
import org.springframework.util.Assert;
/**
* @author Christoph Strobl
* @author Mark Paluch
* @since 2.0
*/
class LettuceSetCommands implements RedisSetCommands {
private final LettuceConnection connection;
LettuceSetCommands(LettuceConnection connection) {
this.connection = connection;
}
@Override
public Long sAdd(byte[] key, byte[]... values) {
Assert.notNull(key, "Key must not be null");
Assert.notNull(values, "Values must not be null");
Assert.noNullElements(values, "Values must not contain null elements");
return connection.invoke().just(RedisSetAsyncCommands::sadd, key, values);
}
@Override
public Long sCard(byte[] key) {
Assert.notNull(key, "Key must not be null");
return connection.invoke().just(RedisSetAsyncCommands::scard, key);
}
@Override
public Set sDiff(byte[]... keys) {
Assert.notNull(keys, "Keys must not be null");
Assert.noNullElements(keys, "Keys must not contain null elements");
return connection.invoke().just(RedisSetAsyncCommands::sdiff, keys);
}
@Override
public Long sDiffStore(byte[] destKey, byte[]... keys) {
Assert.notNull(destKey, "Destination key must not be null");
Assert.notNull(keys, "Source keys must not be null");
Assert.noNullElements(keys, "Source keys must not contain null elements");
return connection.invoke().just(RedisSetAsyncCommands::sdiffstore, destKey, keys);
}
@Override
public Set sInter(byte[]... keys) {
Assert.notNull(keys, "Keys must not be null");
Assert.noNullElements(keys, "Keys must not contain null elements");
return connection.invoke().just(RedisSetAsyncCommands::sinter, keys);
}
@Override
public Long sInterStore(byte[] destKey, byte[]... keys) {
Assert.notNull(destKey, "Destination key must not be null");
Assert.notNull(keys, "Source keys must not be null");
Assert.noNullElements(keys, "Source keys must not contain null elements");
return connection.invoke().just(RedisSetAsyncCommands::sinterstore, destKey, keys);
}
@Override
public Boolean sIsMember(byte[] key, byte[] value) {
Assert.notNull(key, "Key must not be null");
Assert.notNull(value, "Value must not be null");
return connection.invoke().just(RedisSetAsyncCommands::sismember, key, value);
}
@Override
public List sMIsMember(byte[] key, byte[]... values) {
Assert.notNull(key, "Key must not be null");
Assert.notNull(values, "Values must not be null");
Assert.noNullElements(values, "Values must not contain null elements");
return connection.invoke().just(RedisSetAsyncCommands::smismember, key, values);
}
@Override
public Set sMembers(byte[] key) {
Assert.notNull(key, "Key must not be null");
return connection.invoke().just(RedisSetAsyncCommands::smembers, key);
}
@Override
public Boolean sMove(byte[] srcKey, byte[] destKey, byte[] value) {
Assert.notNull(srcKey, "Source key must not be null");
Assert.notNull(destKey, "Destination key must not be null");
Assert.notNull(value, "Value must not be null");
return connection.invoke().just(RedisSetAsyncCommands::smove, srcKey, destKey, value);
}
@Override
public byte[] sPop(byte[] key) {
Assert.notNull(key, "Key must not be null");
return connection.invoke().just(RedisSetAsyncCommands::spop, key);
}
@Override
public List sPop(byte[] key, long count) {
Assert.notNull(key, "Key must not be null");
return connection.invoke().from(RedisSetAsyncCommands::spop, key, count).get(ArrayList::new);
}
@Override
public byte[] sRandMember(byte[] key) {
Assert.notNull(key, "Key must not be null");
return connection.invoke().just(RedisSetAsyncCommands::srandmember, key);
}
@Override
public List sRandMember(byte[] key, long count) {
Assert.notNull(key, "Key must not be null");
return connection.invoke().just(RedisSetAsyncCommands::srandmember, key, count);
}
@Override
public Long sRem(byte[] key, byte[]... values) {
Assert.notNull(key, "Key must not be null");
Assert.notNull(values, "Values must not be null");
Assert.noNullElements(values, "Values must not contain null elements");
return connection.invoke().just(RedisSetAsyncCommands::srem, key, values);
}
@Override
public Set sUnion(byte[]... keys) {
Assert.notNull(keys, "Keys must not be null");
Assert.noNullElements(keys, "Keys must not contain null elements");
return connection.invoke().just(RedisSetAsyncCommands::sunion, keys);
}
@Override
public Long sUnionStore(byte[] destKey, byte[]... keys) {
Assert.notNull(destKey, "Destination key must not be null");
Assert.notNull(keys, "Source keys must not be null");
Assert.noNullElements(keys, "Source keys must not contain null elements");
return connection.invoke().just(RedisSetAsyncCommands::sunionstore, destKey, keys);
}
@Override
public Cursor sScan(byte[] key, ScanOptions options) {
return sScan(key, 0, options);
}
/**
* @since 1.4
* @param key
* @param cursorId
* @param options
* @return
*/
public Cursor sScan(byte[] key, long cursorId, ScanOptions options) {
Assert.notNull(key, "Key must not be null");
return new KeyBoundCursor(key, cursorId, options) {
@Override
protected ScanIteration doScan(byte[] key, long cursorId, ScanOptions options) {
if (connection.isQueueing() || connection.isPipelined()) {
throw new InvalidDataAccessApiUsageException("'SSCAN' cannot be called in pipeline / transaction mode");
}
io.lettuce.core.ScanCursor scanCursor = connection.getScanCursor(cursorId);
ScanArgs scanArgs = LettuceConverters.toScanArgs(options);
ValueScanCursor valueScanCursor = connection.invoke().just(RedisSetAsyncCommands::sscan, key,
scanCursor, scanArgs);
String nextCursorId = valueScanCursor.getCursor();
List values = connection.failsafeReadScanValues(valueScanCursor.getValues(), null);
return new ScanIteration<>(Long.valueOf(nextCursorId), values);
}
protected void doClose() {
LettuceSetCommands.this.connection.close();
}
}.open();
}
public RedisClusterCommands getCommands() {
return connection.getConnection();
}
}