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did you read this interview? especially question three?
regards
daniel s. haischt
Daniel S. Haischt wrote: | hello, | | first of all my statement about EMF beeing an UML subset is | based on an email thread with one of the Omondo EclipseUML | developers. | | at that time I was asking them whether it would be possible | to import an existing UML model into the EMF ecore framework. | | read below ... | | -----8<-----------8<----------8<-----------8<-------8<------- | | >I thought it is _just_ possible to import models to EMF | >> from either: | >> | >> ~ - a XML Schema file | >> ~ - a ecore model | >> ~ - a rational rose project | >> ~ - existing Java classes with some special javadoc | >> ~ comments. | >> | >> is it possible import XMI exports into an EMF project? | | If you mean from UML XMI to EML ecore, you cannot complete do it since the | EMF ecore is subset of UML. | | ----->8----------->8---------->8----------->8------->8------- | | possibly I did answer the wrong question ... | | Matthias Bohlen wrote: | |> Hi Daniel, |> |> sorry for the long response delay. You shocked me with that statement: |> |> |>> do you mean I should first try to import an UML model (for example an |>> XMI export containing an UML model) into EMF. |>> |>> if yes, there is some kinda misconception - EMF is only an UML |>> subset, so you can't exactly map an UML model to an EMF model ... |> |> |> |> Well, I hope that EMF is *not* a subset of UML but a subset of MOF. If |> it were a subset of UML, it could only process UML models. If it were a |> subset of MOF, it could process models based on any metamodel that can |> be expressed in EMF. | | | I already read the below statement about ecore beeing a MOF subset. | |> |> On the web page |> http://dev.eclipse.org/viewcvs/indextools.cgi/%7Echeckout%7E/emf-home/do |> cs/overview.html |> it says: |> |> "For those of you that are familiar with OMG (Object Management Group) |> MOF (Meta Object Facility), you may be wondering how EMF relates to it. |> Actually, EMF started out as an implementation of the MOF specification |> but evolved from there based on the experience we gained from |> implementing a large set of tools using it. EMF can be thought of as a |> highly efficient Java implementation of a core subset of the MOF API. |> However, to avoid any confusion, the MOF-like core meta model in EMF is |> called Ecore instead of MOF." |> |> This sounds promising. I think it would be worthwhile to really |> understand what EMF is and try to load a UML 1.4 metamodel into it, |> followed by a UML 1.4 model. If this fails, you can forget about any |> effort to make it work with AndroMDA because AndroMDA needs a metadata |> repository, not a UML model repository. |> |> What do you think? Could you try to verify that EMF can do similar |> things as MOF and process arbitrary metamodels? | | | I am definitely interested into EMF and Eclipse UML2. but I can't do | any investigations this week. maybe next week I will have some time | to do any investigations on this subject. hope that is ok. | | regards | | daniel s. haischt |
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