KeyValue.java

/*
 * Copyright 2011-2016 the original author or authors.
 *
 * 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.lambdaworks.redis;

/**
 * A key-value pair.
 * 
 * @param <K> Key type.
 * @param <V> Value type.
 * @author Will Glozer
 */
public class KeyValue<K, V> {

    public final K key;
    public final V value;

    /**
     * 
     * @param key the key
     * @param value the value
     */
    public KeyValue(K key, V value) {
        this.key = key;
        this.value = value;
    }

    @Override
    public boolean equals(Object o) {
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        KeyValue<?, ?> that = (KeyValue<?, ?>) o;
        return key.equals(that.key) && value.equals(that.value);
    }

    @Override
    public int hashCode() {
        return 31 * key.hashCode() + value.hashCode();
    }

    @Override
    public String toString() {
        return String.format("(%s, %s)", key, value);
    }
}