package com.ashardalon.pratt.tokens;

import java.util.Objects;

/**
 * Simple token implementation
 * 
 * @author bjcul
 * 
 * @param <K> The key type
 * @param <V> The value type
 *
 */
public class SimpleToken<K, V> implements Token<K, V> {
	private K key;
	private V value;
	
	/**
	 * Create a new token
	 * @param key The key
	 * @param value The value
	 */
	public SimpleToken(K key, V value) {
		super();
		this.key = key;
		this.value = value;
	}

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

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

	@Override
	public int hashCode() {
		return Objects.hash(key, value);
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		SimpleToken<?, ?> other = (SimpleToken<?, ?>) obj;
		return Objects.equals(key, other.key) && Objects.equals(value, other.value);
	}

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