@Override
public boolean isEmpty() {
for (Segment<K, V> segment : segments) {
if (segment.size() > 0) return false;
}
return true;
}
@Override
public int size() {
long total = 0;
for (Segment<K, V> segment : segments) {
total += segment.size();
}
return (int) Math.min(Integer.MAX_VALUE, total);
}