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package com.datastax.collection;

import java.io.Serializable;

public class KeyValue implements Serializable {
    private final K key;
    private final V value;


    public KeyValue(K key, V value) {
        this.key = key;
        this.value = value;
    }

    public K key() {
        return key;
    }

    public K getKey() {
        return key;
    }

    public V value() {
        return value;
    }

    public V getValue() {
        return value;
    }

    @Override
    public String toString() {
        return "(" + key() + "," + value() + ")";
    }


    @Override
    @SuppressWarnings("rawtypes")
    public boolean equals(Object that) {
        if (!(that instanceof KeyValue))
            return false;
        KeyValue thatPair = (KeyValue) that;
        return key.equals(thatPair.key)
                && value.equals(thatPair.value);
    }


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