public static void addNew(Vector to, Vector all) {
synchronized (to) {
for (int i = 0; i < all.size(); ++i) {
if (0 <= Util.getIndex(to, all.elementAt(i))) continue;
to.addElement(all.elementAt(i));
}
}
}
public static void removeAll(Vector to, Vector all) {
synchronized (to) {
int current = 0;
for (int index = 0; index < to.size(); ++index) {
if (0 <= Util.getIndex(all, to.elementAt(index))) continue;
if (current < index) {
to.setElementAt(to.elementAt(index), current);
current++;
}
}
if (current < to.size()) to.setSize(current);
}
}