[hibernate-issues] [Hibernate-JIRA] Created: (HHH-3348) loading context

[benjamin Leroux (JIRA)]

loading context
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                 Key: HHH-3348
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3348
             Project: Hibernate3
          Issue Type: New Feature
    Affects Versions: 4.x
            Reporter: benjamin Leroux
            Priority: Minor


this proposal is for creating a loading context into hibernate

 Let me explain:

 On an application, we often hesitating between the two major strategies of loading (eager or lazy). But for some reason there has no good choice. In fact, it depends on the context. 
So we do lazy loading and redefine some method with new request with some "join". In fact, it lead to complexity and decrease managability of the application.

So my idea is to allow the definition of a context (like transactional context) where we we can put the loading strategie to adopt. 

with annotation it could be very easy to define such context. Let see this exemple :


Avec les annotations, cela pourrait conduire à une ecriture de ce style :

@LoadingStrategie (type=eager from="Car" get={"driver"})
public List<Car> getAllCarForDriving(){
// Some fonctions
}

@LoadingStrategie (type=eager from="Car" get={"driver","passengers"})
public List<Car> getAllCarForTravelling(){
// Some fonctions
}


In the method getAllCarForDriving when we call a hql request on car it automaticaly get driver but in the method getAllCarForTravelling passengers and the driver is loaded.








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