Re: ADC Core Data article

FROM : oplus
DATE : Wed Apr 06 12:32:09 2005

But those objects most likely have to be to the bean spec....     
getXXXX  setXXXX for reflection.

On Apr 5, 2005, at 8:31 PM, Jake Macmullin wrote:

> In some senses I'm not surprised by Core Data's requirement that 
> persisted classes inherit from a common parent - that's how WebObjects 
> works.
>
> However, other O/R frameworks allow you to persist 'plain old' 
> objects. For example, Hibernate allows you to persist 'plain old Java 
> objects' - so I'm not sure it is asking too much for an O/R framework 
> which doesn't require that all persisted classes inherit from a common 
> parent (other than object). Although perhaps some of Core Data's 
> features such as the handling of 'undo and redo' would make this idea 
> more difficult.
>
> Regards,
>
> Jake MacMullin
>
> CSIRO Land and Water
> GPO Box 1666 Canberra 2601
> Ph 02 6246 5822
> Fax 02 6246 5800
> http://www.clw.csiro.au/staff/MacMullinJ/
>
>
> On 6 Apr 2005, at 9:14 AM, Scott Stevenson wrote:
>

>>
>> On Apr 5, 2005, at 2:49 PM, Philip Mötteli wrote:
>>

>>>> Each entity definition in a managed object model requires the name 
>>>> of the entity and the name of the class used at runtime to 
>>>> represent that entity. By default, the class used is 
>>>> NSManagedObject, but the class may be either NSManagedObject or a 
>>>> subclass thereof.

>>>
>>> I read that phrase 5 times. Is that really true? Only subclasses of 
>>> NSManagedObject get managed persistency from Core Data?

>>
>> Trying to implement transparent persistence without a persistent 
>> subclass is.... challenging.
>>
>>
>>    - Scott
>>
>> --
>> http://treehouseideas.com/
>> http://theocacao.com/ [blog]
>>
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