Re: [DPP-Devel] protected vs. package?

[Arsenij S. <xep...@gm...>]

2013/1/25 Stefan Rossbach <sro...@ar...>

>  Diese Sichtbarkeitsregel ist der größte Müll für größere Projekt. Toter
> Code, falscher Zugriff etc. , das bekommt man
> alles "Gratis" dadurch. Anstatt sich mal damit auseinanderzusetzen wird
> dem einfach Blind gefolgt.
>
> Public = Interface
> Private = Implementation
>

Sollte das nicht so sein?
Private = Implemntation/Data
Package = Implementation/Behaviour


> Protected = Vererbungszeug
>

Mein Argument ist dass die package-Sichtbarkeit für WhiteBox-Testen erlaubt.


Am 25.01.2013 16:37, schrieb Arsenij Solovjev:
>
> 2013/1/25 Christian Dohnert <do...@gm...>
>
>> This is due to the coding guidelines. These guidlines state that you
>> should make something private if and only if it yields some kind of "magic"
>> and shouldn't be touched. Like a "Here be dragons"-sign.
>>
> Then the same question applies to the coding guidelines.
>  The issue with private is clear, though.
>  I'm trying to understand the rationale behind using protected everywhere
>  (instead of package).
>
>
>
>> Am 25.01.2013 15:47 schrieb "Arsenij Solovjev" <xep...@gm...>:
>>
>>>     Hello Saros-developers,
>>>
>>>  Taking a look at the code again after a while this doesn't seem
>>> intuitive:
>>>
>>>  For testing purposes non-public members of classes are declared
>>> protected,
>>>  as I understand this enables members that would otherwise be private,
>>> to
>>>  be visible to the test.
>>>
>>>  Why is it then necessary to make these members visible to the
>>> subclasses
>>> of the class?
>>>  AFAIK, a derived class should not need to access the data of it's base
>>> class,
>>>  this weakens data hiding, and makes derived classes dependent on
>>> implementation.
>>>
>>>
>>>  Cheers,
>>> Arsenij
>>>
>>>
>>>
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