hazelcast-master/hazelcast/src/test/java/com/hazelcast/internal/config/mergepolicies/LastStoredTimeMergePolicyNoTypeVariable.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.config.mergepolicies;

import com.hazelcast.map.IMap;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.spi.merge.MergingLastStoredTime;
import com.hazelcast.spi.merge.MergingValue;
import com.hazelcast.spi.merge.SplitBrainMergePolicy;

import java.io.IOException;

/**
 * Custom merge policy which uses a single merge type,
 * which is just provided by {@link IMap}.
 * <p>
 * Doesn't use type variables to define the required merge types.
 */
public class LastStoredTimeMergePolicyNoTypeVariable<V, T extends MergingValue<V> & MergingLastStoredTime>
        implements SplitBrainMergePolicy<V, T, Object> {

    @Override
    public Object merge(T mergingValue, T existingValue) {
        return null;
    }

    @Override
    public void writeData(ObjectDataOutput out) throws IOException {
    }

    @Override
    public void readData(ObjectDataInput in) throws IOException {
    }
}
