Objective-C super class & Swift subclass with NSCoding

gistfile1.txt

@interface ObjcClass : NSObject <NSCoding>
@property (nonatomic, strong) NSString                  *name;
@end
@implementation ObjcClass
- (void)encodeWithCoder:(NSCoder *)coder
{
    [coder encodeObject:_name forKey:@"name"];
}

- (instancetype)initWithCoder:(NSCoder *)coder
{
    self = [self init];
    if (self) {
        _name = [coder decodeObjectForKey:@"name"];
    }
    return self;
}
@end

class SwiftClass: ObjcClass {
    let address: String
    override func encodeWithCoder(aCoder: NSCoder) {
      super.encodeWithCoder(aCoder)
      aCoder.encodeObject(address, forKey: "address")
    }
    required init?(coder aDecoder: NSCoder) {
      guard let addressValue = aDecoder.decodeObjectForKey("address") as? String else {
        return nil
      }
      address = addressValue
      super.init(coder: aDecoder)
    }
    
    override init() {
      address = ""
      super.init()
    }
}

swiftClass.init(coder:aDecoder) -> objcClass.initWithCoder -> swiftClass.init -> objcClass.init