@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		GraphGenericNode<?> other = (GraphGenericNode<?>) obj;
		if (Data == null) {
			if (other.Data != null)
				return false;
		} else if (!Data.equals(other.Data))
			return false;
		return true;
	}