@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		TradeRoute other = (TradeRoute) obj;
		if (ship == null) {
			if (other.ship != null)
				return false;
		} else if (!ship.equals(other.ship))
			return false;
		if (stops == null) {
			if (other.stops != null)
				return false;
		} else if (!stops.equals(other.stops))
			return false;
		return true;
	}