@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((cn == null) ? 0 : cn.hashCode());
		result = prime * result
				+ ((description == null) ? 0 : description.hashCode());
		result = prime * result + ((dn == null) ? 0 : dn.hashCode());
		result = prime * result + invalid;
		result = prime * result + ((mail == null) ? 0 : mail.hashCode());
		result = prime * result + ((name == null) ? 0 : name.hashCode());
		result = prime * result + ((ou == null) ? 0 : ou.hashCode());
		result = prime * result + ((sn == null) ? 0 : sn.hashCode());
		return result;
	}