@Override
	public ShortField copyField() {
		if (isNull()) {
			ShortField copy = new ShortField();
			copy.setNull();
			return copy;
		}
		return new ShortField((short) getLongValue());
	}
Construct a short field with an initial value of s.
@param s initial value
@param immutable true if field value is immutable
Ghidra/Framework/DB/src/main/java/db/ShortField.java