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Home » Modeling » EMF » Get EClasses that extend a given EClass
Get EClasses that extend a given EClass [message #1162625] Wed, 30 October 2013 14:05 Go to next message
Kyle B is currently offline Kyle BFriend
Messages: 14
Registered: April 2013
Junior Member
Hello,

I'm trying to get a list of EClass objects that extend a given EClass. I know I can get the super classes of a given EClass, but I want to go the opposite direction. My current approach is to iterate over the EPackage registry and build a Map<EClass, List<EClass>>.

I think I know the answer, but is there any EMF properties that might make this cleaner?

Thanks,
Kyle
Re: Get EClasses that extend a given EClass [message #1162656 is a reply to message #1162625] Wed, 30 October 2013 14:27 Go to previous message
Ed Merks is currently offline Ed MerksFriend
Messages: 30691
Registered: July 2009
Senior Member
Kyle,

The subclasses of a class is an unbounded set so only by imposing
bounds, i.e., by considering only all classes of all packages in the
package registry, can you get a bounded result. Of course there might
come into existence a dynamic subclass, or even a dynamically loaded
bundle that contributes to the package registry a package that contains
a subclass, and you won't discover those...

On 30/10/2013 3:05 PM, Kyle B wrote:
> Hello,
>
> I'm trying to get a list of EClass objects that extend a given EClass.
> I know I can get the super classes of a given EClass, but I want to go
> the opposite direction. My current approach is to iterate over the
> EPackage registry and build a Map<EClass, List<EClass>>.
> I think I know the answer, but is there any EMF properties that might
> make this cleaner?
>
> Thanks,
> Kyle
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