/**
* Given this type and another, find the 'broadest' type
*
* @param rhs The other type.
* @return The broadest type
* @throws TypeMismatchException Data does not match expected data type.
*/
public DataType getCommnType(DataType rhs) throws TypeMismatchException {
final DataType result;
result = ordinal() > rhs.ordinal() ? this : rhs;
if (numeric || rhs.numeric) {
// One numeric then both must be..
if (result.ordinal() > F.ordinal()) {
throw new TypeMismatchException("Either both must be numeric or neither");
}
} else {
// Neither numeric then both must be the same
if (ordinal() != rhs.ordinal()) {
throw new TypeMismatchException("Both types must be the same for non-numerics");
}
}
return result;
}
