@Override
protected Vital doRemove(int index) {
Vital v = vitals.remove(index);
elementObserver.detachListener(v);
v.removeListener(this);
if (null != v) {
v.destroy();
}
return v;
}
@Override
protected Vital doSet(int index, Vital element) {
Vital removed = vitals.set(index, element);
removed.removeListener(this);
elementObserver.detachListener(removed);
elementObserver.attachListener(element);
removed.addListener(this);
numericList.forEach((fx) -> addNumeric(fx));
return removed;
}
