final Set<AuftragsPositionVO> orderPositions = taskTree.getOrderPositionEntries(taskNode.getId());
if (CollectionUtils.isEmpty(orderPositions) == true) {
final Label label = new Label(componentId, ""); // Empty label.
item.add(label);
} else {
final OrderPositionsPanel orderPositionsPanel = new OrderPositionsPanel(componentId) {
@Override
protected void onBeforeRender()
{
super.onBeforeRender();
// Lazy initialization because getString(...) of OrderPositionsPanel fails if panel.init(orderPositions) is called directly