public void run(){
		if(! hasStarted()){
			String fieldsProp = getFirstPropertyValue("fields");
			if(fieldsProp != null){
				printableFields = new HashMap<String, Boolean>();
				for(String fieldName : fieldsProp.split(",")){
					printableFields.put(fieldName, true);
				}
				log("Printable fields: '" + printableFields.keySet() + "'.");
			}
		}
		
		super.run();
	}