Re: [Hibernate] serialized/deserialized criteria and query cache issue

[Max R. A. <max...@jb...>]

On Fri, 05 May 2006 14:52:08 +0200, Mario Ivankovits <ma...@op...>  
wrote:

> Hi Max!
>>> What do you think about an abstract class named
>>> StatelessResultTransformer which will implement equals hashcode by
>>> delegating to class.hashCode() and class.equals().
>>
>> No. it should just implement a proper equals/hashcode, no need to
>> introduce a new class.
> Ok, I'll do so, though I am not happy with this.

Why not ? it should only be done on resulttransformers which are actually  
possible to reuse.

>
> Not implementing those methods will not make the system fail, but will
> result in unnecessary database requests.
> And its damn hard to figure out why this happen, not only for you (the
> developers) but also for the user - if not impossible for them.
> This again might result in additional user posts in your forum.
>
> Introducing two new methods to the ResultTransformer interface would be
> great, though, I know that such interface changes are bad.
> For now, I'll add this to the ResultTransformer javadoc. Hopefully the
> users read them.
>
> Thanks for your assistance!
> Ciao,
> Mario
>



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Max Rydahl Andersen
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Hibernate
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JBoss Inc
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