/**
 * The MIT License (MIT)
 *
 * Copyright (c) 2014-2017 Yegor Bugayenko
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package org.takes.misc;

import java.util.Map;

/**
 * An immutable and thread-safe implementation of
 * {@link Map.Entry} interface.
 *
 * @author Dragan Bozanovic (bozanovicdr@gmail.com)
 * @version $Id: 84e630630a208c39b178716ae19530f18bb7d779 $
 * @param <K> Key type
 * @param <V> Value type
 * @since 0.27
 */
public final class EntryImpl<K, V> implements Map.Entry<K, V> {

    /**
     * Key.
     */
    private final K key;

    /**
     * Value.
     */
    private final V value;

    /**
     * Ctor.
     * @param keyy Key
     * @param val Value
     */
    public EntryImpl(final K keyy, final V val) {
        super();
        this.key = keyy;
        this.value = val;
    }

    @Override
    public K getKey() {
        return this.key;
    }

    @Override
    public V getValue() {
        return this.value;
    }

    @Override
    public V setValue(final V val) {
        throw new UnsupportedOperationException("This object is immutable.");
    }
}