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ATL polymorphism [message #79566]

Fri, 18 April 2008 12:10

Eclipse User

Originally posted by: marta.rivera.opensynergy.com

Hi!
Im trying to transform a model with a chain of aggregations to another
with an inheritance chain:
class a ------- transformation to ------> class A
owns 0..1 instanceOfb owns 0..* instanceOfB
class b class B (abstract)
inherits
owns 0..* instanceOfd class C (abstract)
inherits
class d ------- transformation to ------> class D

For the transformation only the first and last classes of the chain are
interesting. Id tryed:

rule one {
from i: model1!a
to o: model2!A (
attribute <- i.attribute,

instanceOfB.D <- i.instanceOfb.instanceOfd
-- syntax error: mismatched input . expected LARROW

instanceOfB <- (i. instanceOfb. instanceOfd).oclAsType(model2!D)
--ClassCastException
)
}

Which is the right way write the rule?

Thank you in advance.

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Re: ATL polymorphism [message #80251 is a reply to message #79566]

Tue, 29 April 2008 07:24

Frédéric Jouault

Messages: 572
Registered: July 2009

Senior Member

Hi,

Could you please remember to prefix the subject of your ATL-related
posts with [ATL]? See: http://wiki.eclipse.org/M2M

It seems that you miss a comma on the line with the syntax error.

Regards,

Frédéric Jouault

marta a écrit :
> Hi!
> I�m trying to transform a model with a chain of aggregations to another
> with an inheritance chain: class a ------- transformation to
> ------> class A
> owns 0..1 instanceOfb owns 0..* instanceOfB
> class b class B (abstract)
> inherits
> owns 0..* instanceOfd class C (abstract)
> inherits
> class d ------- transformation to ------> class D
>
> For the transformation only the first and last classes of the chain are
> interesting. I�d tryed:
>
> rule one {
> from i: model1!a
> to o: model2!A (
> attribute <- i.attribute,
>
> instanceOfB.D <- i.instanceOfb.instanceOfd
> -- syntax error: mismatched input �.� expected LARROW
>
> instanceOfB <- (i. instanceOfb. instanceOfd).oclAsType(model2!D)
> --ClassCastException
> )
> }
>
> Which is the right way write the rule?
>
> Thank you in advance.
>
>

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