@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (!(obj instanceof Domain))
			return false;
		Domain other = (Domain) obj;
		if (price == null) {
			if (other.price != null)
				return false;
		} else if (!price.equals(other.price))
			return false;
		if (suffix == null) {
			if (other.suffix != null)
				return false;
		} else if (!suffix.equals(other.suffix))
			return false;
		return true;
	}