public Object[] getChildren() {
final List<?> list = headList_.getList();
if (list.isEmpty()) {
// should not happen except for printing log messages
return new Object[] {name_, "?"};
}
Object o = list.remove(0);
if (list.isEmpty()) {
return new Object[] {name_, o, headList_.getJoker()};
}
return new Object[] {name_, o, this};
}
