public String getArrowDotSvek() {
		if (this == LinkDecor.NONE) {
			return "none";
		} else if (this == LinkDecor.EXTENDS) {
			return "empty";
		} else if (this == LinkDecor.COMPOSITION) {
			if (OptionFlags.NEW_DIAMOND) {
				return "empty";
			}
			return "diamond";
		} else if (this == LinkDecor.AGREGATION) {
			if (OptionFlags.NEW_DIAMOND) {
				return "empty";
			}
			return "ediamond";
		} else if (this == LinkDecor.ARROW) {
			return "open";
		} else if (this == LinkDecor.PLUS) {
			return "empty";
		} else {
			throw new UnsupportedOperationException();
		}
	}