Re: [Springframework-developer] Hibernate3 vs Hibernate2

[Alexandru P. <the...@ez...>]

Thanks everybody for your answers. My case is pretty uncommon: i am trying to integrate the H3
support into the existing stable 1.1.5 version.
You may ask why this? I need some of the features from H3 (simple, ain't it :-) ). So, being a week
old Spring user (in fact i haven't write a single line of code, so I would say Spring researcher) I
thought it would be a good idea to ask the developers if my feeling was right.

--
:alex |.::the_mindstorm::.|

[quote Mark St Godard::on 3/23/2005 5:23 PM]
> 
> 
> 
> Yeah Alex,
> 
> For me (as an Eclipse user) it was just an exercise in CTRL-Shift-O to
> reference the new APIs...   and to also change
> the applicationContext XML to reference the new LocalSessionFactoryBean...
> 
> Note: I was not using Annotations at this point on this current project...
> so it was pretty straightforward
> 
> Cheers
> Mark
> 
> 
>                                                                            
>              Colin Sampaleanu                                              
>              <col...@ex...                                             
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>                                        Re: [Springframework-developer]     
>                                        Hibernate3 vs Hibernate2            
>              03/23/2005 09:10                                              
>              AM                                                            
>                                                                            
>                                                                            
>              Please respond to                                             
>              springframework-d                                             
>                  eveloper                                                  
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> 
> 
> 
> Alexandru Popescu wrote:
> 
>>Hi!
>>
>>I saw in the ML that the Hibernate3 support is in CVS HEAD already. Can
> you point me to the main
>>changes provided in the Spring support for Hibernate3 vs Hibernate2? (i
> expected there where changes
>>required by the changes (from check to unchecked) exceptions in Hibernate3
> and for supporting the
>>new features, but it will be more easy for me to have a Spring expert
> opinion on this).
>>
>>
> Alex,
> 
> Juergen did the actual conversion, so is the final authority, but the
> port is mostly a straight port of the existing classes to reflect the
> new packages used by Hibernate 3. One difference in Hibernate 3 is that
> Hibernate 3 does throw unchecked exceptions instead of checked
> exceptions, but Spring users should actually be insulated from that, as
> they would have normally be catching Spring's own unchcked
> DataAccessExceptionHierarchy. Spring's HibernateTemplate class for
> Hibernate v3 does add the important methods added to v3's Session, such
> as the 'load()' variants which take an entityName, e.g.:
>   http://www.hibernate.org/hib_docs/v3/api/
> 
> Generally, you should be able to take existing Spring-based code using
> the Hibernate 2 support, and convert it to using the Hibernate 3
> support, by just changing all org.springframework.hibernate.* package
> names to org.springframework.hibernate3.*. Any breakage (not that you
> should generally expect any) should generally be from changes in
> Hibernate itself between versions, and not the Spring support code. Note
> that Hibernate has actually deprecated a few methods on the Session
> interface (they are only available now as part of the
> org.hibernate.classic.Session interface. I believe HibernateTemplate has
> also removed some of the methods which were directly exposed and are now
> deprecated.
> 
> Colin
> 
> 
> 
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