that's what I tried to explain in my previous email, the thing is that doing this is not so evident because in the XMI hierarchy of model element there is no link from a parameter/argument to its operation (for example) ... this makes it a little more difficult, nevertheless, it is possible
I will implement this later -- Wouter Carlos Cuenca <[EMAIL PROTECTED]> wrote: >hi! > >to remove the need of tagged values twice, what do you think about >creating a function let say getAttributesFromController():Collection >within the StrutsControllerOperation which takes the controller and find >all the attributes with the same name as the parameters of the operation? > > > >[EMAIL PROTECTED] wrote: > >>hi Carlos, >> >>I have been thinking about this too, but you can easily run into ugly problems this >>way ... it will take too long to explain, but bottom line is that the tagged value >>annotations belong to the transitions and not on the operation (conceptually >>speaking that is), the fact that something is validated is dependent also on _when_ >>it is supposed to be validated >> >>in fact, we do not need to have these annotations on the operation arguments but for >>now I do this because it is much easier and performant for the metafacades >> >>I will try to remove this later, lemme explain: >>there are two types of tagged values that need to be copied right now: >> >>1. field.type = select >>will generate a getXXXBackingList method in the form interface >> >>remember: each action has a form, and that form implements an interface for each >>operation to which it defers. the action form typically only contains the fields >>modeled in the transitions >> >>the backing list can be detected automatically, by checking all action parameters >>with the same name and looking at their tagged values, if there is a 'select' type >>than we add it in the form interface too; >>the problem is that ALL forms implementing this interface need to have that method >>implemented too, even if they are never supposed to use it (because it was not >>modeled like that on the action; so the action form would have an additional field >>that was never modeled) ... but that's not a problem, its something extra that in >>the worst case can confuse the developer >> >> >> >>2. table.columns = x,y,z >>makes it possible to generate a dummy implementation >> >>this one is trickier, but I think it is possible to avoid this one too .. I don't >>know with 100% certainty yet what will happen with other parameters/page-variables >>with the same name, it can get quite complex if you have decision nodes and circular >>graphs for your use-cases >> >> >>anyway, this is something I am working on ... I find it interesting to see that >>formal descriptions of process logic (using UML in this case) can lead to ambiguous >>situations w/ a technology such as Struts >> >> >>more on this later :-) >> >>-- Wouter >> >>Carlos Cuenca <[EMAIL PROTECTED]> wrote: >> >> >> >>>Hi Wouter, >>> >>> >>>I had been looking at your changes, and there is one thing in the new >>>version that does not convince me. It is about the needed of model >>>attributes on Transitions and model them again in the controller >>>operation. This is also a problem, because as you told to Stefan last >>>28.9, one of the limitations of AndroMda for the UML is that it must >>>have triggers on transitions and parameters on triggers. >>>My idea is that if an operation can be deferred only in one action >>>State, you could change the method to take the parameters from the >>>operation and not from the transition, in this way, also the tagged >>>values should be specified on the parameters of the operation. >>>For the collections cases, if the operation return a collection and it >>>is invoqued in an operation with an outgoing transition, then this will >>>be mapped as a display tag.... >>> >>>I don't know if it is possible..... >>> >>>Carlos >>> >>> >>> >>>------------------------------------------------------- >>>This SF.net email is sponsored by: IT Product Guide on ITManagersJournal >>>Use IT products in your business? Tell us what you think of them. Give us >>>Your Opinions, Get Free ThinkGeek Gift Certificates! 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