@Override
public void writeExternal(Element rootElement) throws WriteExternalException {
Element element = OrderEntryFactory.createOrderEntryElement(ENTRY_TYPE);
element.setAttribute(OrderEntryFactory.ORDER_ENTRY_TYPE_ATTR, ENTRY_TYPE);
element.setAttribute(
ATTRIBUTE_FOR_TESTS, Boolean.FALSE.toString()); // compatibility with prev builds
rootElement.addContent(element);
}