}
@Override
- public @Nullable Double resolveDouble(LamiTableEntry entry) {
+ public @Nullable Number resolveNumber(LamiTableEntry entry) {
return null;
}
String s1 = resolveString(o1);
String s2 = resolveString(o2);
- if (s1 == null || s2 == null) {
+ if (s1 == null && s2 == null) {
return 0;
}
+ if (s1 == null) {
+ return 1;
+ }
+
+ if (s2 == null) {
+ return -1;
+ }
return s1.compareTo(s2);
};