super(UNIT);
// addChild(new UpdateHandler(), new ChildElementHandler() {
// public void childHanlded(DelegetingHandler child) {
// }
// });
addChild(new PropertiesHandler(CATEGORY_PROPERTY),
new ChildElementHandler<PropertiesHandler>() {
public void childHanlded(PropertiesHandler child) {
String category = child.properties.get(CATEGORY_PROPERTY);
if (category != null && Boolean.valueOf(category).booleanValue()) {
// this is a category definition, this is useless, skip this unit