Re: Re[eclipselink-users] questing Attribute Change Tracking programmati

[James Sutherland <jamesssss@xxxxxxxxx>]

When using weaving with JPA, attribute change tracking is the default, so you
should not need to do anything.

The change policy can be set in a ClassDescriptor through,

descriptor.setObjectChangePolicy(new AttributeChangeTrackingPolicy());



Gschwind, Doug wrote:
> 
> Hello everyone,
> 
>  
> 
> Is anyone aware of a way to programmatically specify that a given JPA
> mapped class in EclipseLink 1.0.1 is to use Attribute Change Tracking,
> without annotating the class with
> @ChangeTracking(ChangeTrackingType.ATTRIBUTE)?
> 
>  
> 
> What I was hoping to be able to do was to visit each of the
> ClassDescriptor instances bound into a ServerSession and through some
> call chain be able to specify that the Class requires Attribute Change
> Tracking, but I have been unable to find the method(s) necessary to do
> so from a ClassDescriptor instance. Inspecting the 1.0.1 source leads me
> to believe what I am  trying to do is not currently possible.
> 
>  
> 
> Thanks
> 
>  
> 
> Doug
> 
> 
> 
> 
> 
> 
> 
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