public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		PrioSetMember other = (PrioSetMember) obj;
		if (symbolCode != other.symbolCode)
			return false;
		if (relationToPrevMember == null) {
			if (other.relationToPrevMember != null)
				return false;
		} else if (!relationToPrevMember.equals(other.relationToPrevMember))
			return false;

		return true;
	}