getStarRating method
Returns a rating value greater or equal to 0.0
, or a negative
value if the rating style is not star-based, or if it is
unrated.
Implementation
int getStarRating() {
if (_type != RatingStyle.range3stars &&
_type != RatingStyle.range4stars &&
_type != RatingStyle.range5stars) {
return -1;
}
return _value as int? ?? -1;
}