+1 to remove final keyword

2011/5/3 Gal Dolber <[email protected]>

> I have the same problem.
> In my project I override AbstractSerializationStreamWriter and got
> everything working. Works great, but its an ugly solution.
> A cleaner way to support hibernate will be really nice to have.
>
> On Tue, May 3, 2011 at 1:05 PM, tkrhkrb <[email protected]> wrote:
>
>> Hello GWTers,
>>
>> I'm working on a project using GWT and Hibernate. We love this technology
>> and we would like them to coexist :-)
>>
>> We have a pre-requisite immutable : use Hibernate entities into the GWT
>> presentation layer. We tested Gilead but this solution does not suit us. We
>> find it overkill compared to our needs. We ‘feel’ there is a lighter
>> solution to respond our needs.
>>
>> For example, we use only attribute ‘lazy=false’ in our hibernate mappings.
>> We teach our developers to control relations that are loaded. If a relation
>> is not loaded we would like to receive an LazyInitializationException in
>> both server and client side. So we don’t need to reattach entities.
>>
>> Hibernate automatically generates proxies between objects: HibernateProxy
>> in the case of a relation ? -> 1 and PersistentCollection in the case of a
>> relation ? -> n. We would like to have CRUD with objects loaded via
>> Hibernate when relations are loaded or not.
>>
>> To avoid the expensive clone and merge operations doing by Gilead. We
>> wanted to try to fit in the GWT process of serialization / deserialization.
>>
>> For this we haven’t yet found other ways to copy/paste :-( multiple
>> classes to override GWT methods :
>> * AbstractSerializationStreamReader # readObject () (method final)
>> * ServerSerializationStreamWriter # writeObject (Object) (class final)
>>
>> In the case of a relationship?  -> 1 unloaded (so with a proxy), we use a
>> MHibernateProxy to transfer an id to be able to retreive the proxy in
>> session. We created a MHibernateProxy_CustomFieldSerializer server side and
>> client side.
>> We have a GWT Generator which generates for each entity a mock version of
>> the entity usable if the relation is not loaded. This mock has an extra
>> field for the id of the proxy and an implementation of each method of the
>> entity which ‘throws a new NotLoadedException()'.
>>
>> Here is an example of the code : https://gist.github.com/953375 .
>>
>> What do you think of this ? Are we mad ?
>> Is there a better way to fit into the mechanism of serialization /
>> deserialization of GWT?
>> Is it reasonable to ask to the GWT team to remove the final keywords in
>> the class AbstractSerializationStreamReader and
>> ServerSerializationStreamWriter?
>>
>> Thanks for your response,
>>
>> And a big thanks to the GWT team who does a really great job !
>>
>> // Thibault
>>
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>
>
>
> --
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>
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>
>
>
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