/*
 * Copyright (c) 2008-2017, 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.map.impl;

import com.hazelcast.nio.serialization.SerializableByConvention;

import java.util.AbstractMap;

@SerializableByConvention
public class MapEntrySimple<K, V> extends AbstractMap.SimpleEntry<K, V> {

    private boolean modified;

    public MapEntrySimple(K key, V value) {
        super(key, value);
    }

    @Override
    public V setValue(V value) {
        modified = true;
        return super.setValue(value);
    }

    public boolean isModified() {
        return modified;
    }

    @Override
    public boolean equals(Object o) {
        // modified field is not part part of equality or hashCode.
        return super.equals(o);
    }

    @Override
    public int hashCode() {
        // modified field is not part part of equality or hashCode.
        return super.hashCode();
    }
}