QueryCondition.GREATER_EQUALS,
QueryCondition.GREATER,
	public void refresh() {        DataElement tmp = DataBus.getDefaultElement(metaEntity);        Field field = tmp.getPKField();		QueryCondition qc = 		    new QueryCondition(		        field, 		        QueryCondition.GREATER_EQUALS, 		        new Integer(0)		    );		Vector vec = new Vector();		vec.add(qc);		AbstractQuery qr = DataBus.getQueryInstance(            vec,            AbstractQuery.LOAD        );		DataSet ds = qr.run();		metaFields = ds.getMetaFields();				Iterator it = ds.iterator();		elements = new DataElement[ds.size()];		data = new Object[elements.length][metaFields.length];				for (int i=0; i<elements.length && it.hasNext(); i++) {			elements[i] = (DataElement)it.next();			for (int k=0; k<metaFields.length; k++) {				data[i][k] = elements[i].getField(metaFields[k]).getValue();			}		}	}