@Override
public int compare(ProductBrand o1, ProductBrand o2) {
return NULLS_LAST_CASE_INSENSITIVE_ORDERING.compare(o1.getValue(), o2.getValue());
}
/**
* Creates a new ProductBrand.
*
* @param brand may be null if creating an "other" dimension
*/
public static ProductBrand createBrand(@Nullable String brand) {
ProductBrand productBrand = new ProductBrand();
productBrand.setValue(brand);
return productBrand;
}