import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.List;
import java.util.Objects;


public class CapacityValidator implements ConstraintValidator<Capacity, List<Integer>> {

    private int min;
   // private int max;

    @Override
    public void initialize(Capacity constraintAnnotation) {
        this.min = constraintAnnotation.min();
        System.out.println("Init");
       // this.max = constraintAnnotation.max();
    }

    @Override
    public boolean isValid(List<Integer> list, ConstraintValidatorContext constraintValidatorContext) {


           if(list.size() != this.min){
              return false;
           }
           if(list.stream().noneMatch(Objects::nonNull)){
               return false;
           }
           if(list.size() == this.min && list.stream().allMatch(Objects::nonNull)){
               return true;
           }

        return false;
    }
}