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