@Override
	public Object getValue() {
		String value="";
		Object value1=this.getParent().queryBestResult(this.part1);
		Object value2=this.getParent().queryBestResult(this.part2);
		if(value1!=null) {
			value=value1.toString();
		}
		if(value2!=null) {
			if(value.length()>1) {
				value += this.separator;
			}
			value+=value2.toString();
		}
		return value;
	}