if (o == null) {
data[i] = new NullData(name);
} else {
Class<?> c = o.getClass();
if (c == Boolean.class) {
data[i] = new BooleanData(name, (Boolean) o);
} else if (c == Integer.class) {
data[i] = new IntData(name, (Integer) o);
} else if (c == Long.class) {
data[i] = new LongData(name, (Long) o);
} else if (c == String.class) {