hazelcast-master/hazelcast/src/main/java/com/hazelcast/internal/eviction/impl/comparator/RandomEvictionPolicyComparator.java
/*
 * Copyright (c) 2008-2023, Hazelcast, Inc. All Rights Reserved.
 *
 * 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 com.hazelcast.internal.eviction.impl.comparator;

import com.hazelcast.spi.eviction.EvictableEntryView;
import com.hazelcast.spi.eviction.EvictionPolicyComparator;
import com.hazelcast.internal.serialization.SerializableByConvention;

/**
 * {@link com.hazelcast.config.EvictionPolicy#RANDOM}
 * policy based {@link EvictionPolicyComparator}.
 */
@SerializableByConvention
public class RandomEvictionPolicyComparator
        implements EvictionPolicyComparator<Object, Object, EvictableEntryView<Object, Object>> {

    public static final RandomEvictionPolicyComparator INSTANCE
            = new RandomEvictionPolicyComparator();

    @Override
    @SuppressWarnings("ComparatorMethodParameterNotUsed")
    public int compare(EvictableEntryView e1, EvictableEntryView e2) {
        return 0;
    }

    @Override
    public String toString() {
        return "RandomEvictionPolicyComparator{" + super.toString() + "} ";
    }

    @Override
    public final boolean equals(Object o) {
        if (o == null) {
            return false;
        }
        return getClass().equals(o.getClass());
    }

    @Override
    public final int hashCode() {
        return getClass().hashCode();
    }
}
