/**
* Save the new criterion to the database.
*
* @return true if the criterion is successfully saved, otherwise false
*/
public boolean save() {
if (criterion.getName().isEmpty()) {
error = "Criterion name must not be empty!";
return false;
}
dao.save(criterion);
notifyObservers();
return true;
}
/**
* Delete the criterion from the database.
*
* @return true if can delete
*/
public boolean delete() {
dao.remove(criterion);
notifyObservers();
return true;
}