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Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC

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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;

import org.redisson.api.RFuture;
import org.redisson.api.RObject;
import org.redisson.client.codec.LongCodec;
import org.redisson.client.protocol.RedisCommands;
import org.redisson.command.CommandAsyncExecutor;
import org.redisson.eviction.EvictionScheduler;

import java.util.Arrays;
import java.util.List;
import java.util.concurrent.TimeUnit;

/**
 * 
 * @author Nikita Koksharov
 *
 * @param  key type
 */
class RedissonMultimapCache {

    private final CommandAsyncExecutor commandExecutor;
    private final RedissonObject object;
    private final String timeoutSetName;
    private final String prefix;
    private final EvictionScheduler evictionScheduler;
    
    RedissonMultimapCache(CommandAsyncExecutor commandExecutor, EvictionScheduler evictionScheduler,
                          RObject object, String timeoutSetName, String prefix) {
        this.commandExecutor = commandExecutor;
        this.object = (RedissonObject) object;
        this.timeoutSetName = timeoutSetName;
        this.prefix = prefix;
        this.evictionScheduler = evictionScheduler;
        if (evictionScheduler != null) {
            evictionScheduler.scheduleCleanMultimap(((RedissonObject) object).getRawName(), timeoutSetName);
        }
    }

    public RFuture expireKeyAsync(K key, long timeToLive, TimeUnit timeUnit) {
        long ttlTimeout = System.currentTimeMillis() + timeUnit.toMillis(timeToLive);

        return commandExecutor.evalWriteAsync(object.getRawName(), object.getCodec(), RedisCommands.EVAL_BOOLEAN,
                "if redis.call('hexists', KEYS[1], ARGV[2]) == 1 then "
                    + "if tonumber(ARGV[1]) > 0 then "
                        + "redis.call('zadd', KEYS[2], ARGV[1], ARGV[2]); " +
                      "else " +
                          "redis.call('zrem', KEYS[2], ARGV[2]); "
                    + "end; "
                    + "return 1; "
              + "else "
                + "return 0; "
              + "end",
            Arrays.asList(object.getRawName(), timeoutSetName),
            ttlTimeout, object.encodeMapKey(key));
    }
    
    public RFuture sizeInMemoryAsync() {
        List