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OCL Constraint: No two diagram elements can have the same name [message #635833]

Thu, 28 October 2010 10:08

Mostafa ElShafei

Messages: 39
Registered: October 2010

Member

Dear Experts,

I am curious to know the OCL best practice to check if two diagram elements have the same name.

Thx, for any reply Smile

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Re: OCL Constraint: No two diagram elements can have the same name [message #635944 is a reply to message #635833]

Thu, 28 October 2010 16:20

Ed Willink

Messages: 7655
Registered: July 2009

Senior Member

On 28/10/2010 11:08, Mostafa ElShafei wrote:
> Dear Experts,
>
> I am curious to know the OCL best practice to check if two diagram
> elements have the same name.
>
> Thx, for any reply :)
A very vague question.

Your meta-model can sometimes specify uniqueness directly, or you could
specify a validation constraint involving ->isUnique(name).

Regards

Ed Willink

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Re: OCL Constraint: No two diagram elements can have the same name [message #635986 is a reply to message #635833]

Thu, 28 October 2010 20:23

Mostafa ElShafei

Messages: 39
Registered: October 2010

Member

Hello Edward,

I would like to thank you again for your useful help, Its exactly what I wanted.

I found a lot of ways to do this, but this is the best.

Thank you again Smile

Anyway I'll try to give you more information next time :D:D

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