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Home » Modeling » EMF » how to handle deletion in one way reference(during the object deleting, how to handle the one way reference is cleaned)
how to handle deletion in one way reference [message #1100442] Tue, 03 September 2013 05:55 Go to next message
litao Mising name is currently offline litao Mising nameFriend
Messages: 3
Registered: July 2009
Junior Member
Hello.

I have one way reference in my model file, the reference comes from source object and points to the ID of the target objects. but when I delete the target object, the reference id still exists in source object. is there any way EMF can handle this one way reference clean during an EObject is removed.

Thanks.

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Re: how to handle deletion in one way reference [message #1100459 is a reply to message #1100442] Tue, 03 September 2013 06:20 Go to previous messageGo to next message
Ed Merks is currently offline Ed MerksFriend
Messages: 33142
Registered: July 2009
Senior Member
What do you mean by "delete". You're using a DeleteCommand or
EcoreUtil.delete? In either case, it must be possible from the resource
set to find all references to that object to clean them up...

On 03/09/2013 7:55 AM, litao Mising name wrote:
> Hello.
>
> I have one way reference in my model file, the reference comes from
> source object and points to the ID of the target objects. but when I
> delete the target object, the reference id still exists in source
> object. is there any way EMF can handle this one way reference clean
> during an EObject is removed.
>
> Thanks.

Ed Merks
Professional Support: https://www.macromodeling.com/

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Re: how to handle deletion in one way reference [message #1100465 is a reply to message #1100459] Tue, 03 September 2013 06:35 Go to previous message
litao Mising name is currently offline litao Mising nameFriend
Messages: 3
Registered: July 2009
Junior Member
Hello Ed

Using ECoreUtil.delete(EObject,Boolean) method could remove the one way reference. I should invoke it when I try to clean up all the reference. Thank you for your quick reply !

Thanks.

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