[Lazarus] OOP - where do you start?

[Michael Van Canneyt]

On Fri, 26 Jun 2015, Marcos Douglas wrote:

> On Fri, Jun 26, 2015 at 10:06 AM, Michael Van Canneyt
> <michael at freepascal.org> wrote:
>>
>>
>> On Fri, 26 Jun 2015, Marcos Douglas wrote:
>>
>>>> Things start to get messy when you start thinking about functionality.
>>>> So that comes next, and the business classes reflect functionality, and
>>>> consequently more susceptible to change.
>>>>
>>>> Luckily the persistence layers I use are flexible enough to allow any
>>>> mapping between data and business objects,
>>>> so the above approach has always worked for me.
>>>>
>>>> I'm tempted to say that working the other way round is bound to lead to
>>>> confusion.
>>>
>>>
>>> Confusion... That depends if you work using a data-driven design or
>>> behavior-driven design.
>>
>>
>> Always data. Data exists on itself. Behaviour never exists on itself.
>> The moon is there, whether you look at it or not.
>
> So, you use the data-driven design and nothing is wrong with it... but
> behavior-driven design is another approach to resolve problems too.

Sure.
I was just commenting on why I personally think data-driven design is more "correct" than behaviour.

Michael.