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Indexing custom EMF Resources [message #1814744]

Tue, 17 September 2019 07:03

Eclipse User

We generated the code for a metamodel and also use a custom Resource and ResourceFactory. How can we tell hawk to use the factory when scanning a git repository so it knows how to load our models?

I am guessing this has to be done from Java (as opposed to the UI).

Re: Indexing custom EMF Resources [message #1815103 is a reply to message #1814744]

Wed, 25 September 2019 09:12

Eclipse User

Figured it out; I have to implement a custom IModelResourceFactory (and possibly a custom IMetaModelResourceFactory) than can understand my models. Since my models are EMF, I had to create a ResourceSet and add the appropriate ResourceFactory implementations to handle them.

Re: Indexing custom EMF Resources [message #1815175 is a reply to message #1815103]

Thu, 26 September 2019 15:18

Eclipse User

Exactly - Hawk supports new model types through IModelResourceFactory implementations, and new metamodel types through IMetaModelResourceFactory implementations. If you have an EMF-based model that is not XMI-based, you can reuse the existing EMFMetaModelResourceFactory, but use a different EMF ResourceFactory.

We have examples of plugin that do something similar to this : the UMLModelResourceFactory and the BPMNMetaModelResourceFactory. Hopefully they serve as good starting points. Let me know if you run into any issues!

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