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Wed, 25 November 2020 09:04

Eclipse User

Hi all,

Can XTend be used to write higher order transformations (HOTs)? I have currently used Epsilon ETL to write the transformation rules between a UML Profile model and an XText model. Now I should use higher order transformations. I believe that they will serve me to generate the text. Do you know if this can be done in XTend (cause a lot of people have suggested me to use Xend), and if so do you have any tutorials or examples on how to write HOTs? (especially in XTend).

Thank you!

Re: HOTs in Xtend [message #1835145 is a reply to message #1835141]

Wed, 25 November 2020 10:38

Eclipse User

Hi

(It really is time that you do us the courtesy of using your real name; apologies if John Doe is your real name.)

Xtend is layered on Java so there is probably no limit to what you can do with a little/lot-of imagination. However, I don't think that Xtend has tracked the latest Java features such as lambdas so you may be better off using Java directly.

Regards

Ed Willink

Re: HOTs in Xtend [message #1835149 is a reply to message #1835145]

Wed, 25 November 2020 11:19

Eclipse User

well, xtend has lambdas and we have extra features that are suitable for model 2 model transformations like create extensions and the with (=>) operator.
but how this makes suitable for HOT no idea.

you may read/hear here on xtend and model 2 model transformations

https://www.youtube.com/watch?v=xKq-lZo0LEs
https://blogs.itemis.com/en/model-transformations-for-mbse-with-cameo-and-xtend

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