Re: [henshin-dev] Attribute default value "null" check

[Christian Krause <henshin.ck@xxxxxxxxx>]

Hi Johannes,

to me that sounds like a bug in the interpreter, but Enrico is the 
person who can say this with certainty. Anyway, do you happen to have a 
stacktrace of the NPE?

Cheers,
Christian

On 04/04/11 10:31, Johannes Tietje wrote:
> Hello,
>
> I recently created a set of Henshin rules operating on a Ecore model
> with an object (Transition) whose attributes (action, trigger) are of
> type String and have a default value of "null".
>
> How do I specify that an objects attribute is assigned with "null"
> without receiving a NullPointerException (which comes up when the rule
> matcher tries to match the LHS to the model, i guess)?
>
> Kind regards,
> Johannes
>
>
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