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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.cache;

import java.util.Collection;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentMap;

/**
 *
 * @author Nikita Koksharov
 *
 * @param  key type
 * @param  value type
 */
public class NoOpCacheMap implements ConcurrentMap {

    @Override
    public int size() {
        return 0;
    }

    @Override
    public boolean isEmpty() {
        return false;
    }

    @Override
    public boolean containsKey(Object key) {
        return false;
    }

    @Override
    public boolean containsValue(Object value) {
        return false;
    }

    @Override
    public V get(Object key) {
        return null;
    }

    @Override
    public V put(K key, V value) {
        return null;
    }

    @Override
    public V remove(Object key) {
        return null;
    }

    @Override
    public void putAll(Map m) {

    }

    @Override
    public void clear() {

    }

    @Override
    public Set keySet() {
        return Collections.emptySet();
    }

    @Override
    public Collection values() {
        return Collections.emptyList();
    }

    @Override
    public Set> entrySet() {
        return Collections.emptySet();
    }
    @Override
    public V putIfAbsent(K key, V value) {
        return null;
    }

    @Override
    public boolean remove(Object key, Object value) {
        return false;
    }

    @Override
    public boolean replace(K key, V oldValue, V newValue) {
        return false;
    }

    @Override
    public V replace(K key, V value) {
        return null;
    }
}