Re: Wasting time?

Who does something like that?
If you want that, let NH keep hold of the ID.


On 6/17/08, Fabio Maulo <[email protected]> wrote:
>
> I'm sorry friend ... definitive was the time to go to sleep... because my
> post is user-side and not NH-side.
> I'm referring to the entity:
> public class MyEntity
> {
> object Id;
> public object Id
> {
> get {return id;}
> }
> }
>
> nothing to do in NH.
> I'm going to post it in NH-users forum.
>
> 2008/6/17 Ayende Rahien <[email protected]>:
>
>> Bug #1234 has a business value because it let me refer to a bug.
>> the number itself has no meaning
>> Name/Revision has business meaning in this context, and are not syntactic.
>>
>> I am not arguing that this is a good idea, but it is something that is
>> very important.
>>
>>
>>
>> On Tue, Jun 17, 2008 at 2:59 PM, Roger Kratz <[email protected]>
>> wrote:
>>
>>>  Ayende, some purists would say that your examples are bad candidates
>>> for PKs, just because they do have a business value.
>>>
>>>
>>>
>>> *From:* [email protected] [mailto:
>>> [email protected]] *On Behalf Of *Ayende
>>> Rahien
>>> *Sent:* den 17 juni 2008 11:53
>>> *To:* the NHibernate development list
>>> *Subject:* Re: [NHibernate-development] Wasting time?
>>>
>>>
>>>
>>> Because they very often _do_ have business value.
>>> Bug #1034 is a meaningful name, even for things that are auto gen PK.
>>>
>>> File 'foo.cs' - Revision # 12 is a meaningful business PK.
>>>
>>> On Tue, Jun 17, 2008 at 7:02 AM, Fabio Maulo <[email protected]>
>>> wrote:
>>>
>>> Walking with my dog a question has invaded the mind.
>>>
>>> Do we are wasting time?
>>>
>>> Let me explain....
>>> First of all the theory:
>>> *POIDs should have absolutely no business meaning whatsoever. Nada. Zip.
>>> Zilch. Zero.*
>>>
>>> >From the point of view of OOP the POID (Persistent Object ID) is
>>> uneeded.
>>> One of the *"invasion"* NH do, in our view of an entity, is that our
>>> entity *must *hold the ID for the persistence.
>>>
>>> In general, in our entity, we have a typed ID (int, Guid, long, composite
>>> etc.)
>>>
>>> Like many of us know NH, internally, can't use a strongly typed Id
>>> exactly because we can use various types including an instance of a special
>>> object (composite).
>>> For all reference to ID NH use System.Object.
>>>
>>> If we are using a ValueType and NH use System.Object, what happen with
>>> Boxing - unBoxing ?
>>> *How many time we are wasting in Boxing-unBoxing?
>>>
>>> *If the *"POIDs should have absolutely no business meaning"*, which
>>> meaning have declare it as int or long ?
>>> Why not use System.Object as a type of our ID ?
>>>
>>> Well... time off... is better to go to sleep.
>>> Fabio Maulo
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>>
>>
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>
>
> --
> Fabio Maulo
> -------------------------------------------------------------------------
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>

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