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Can I have two output models from one input model using ATL transformation? [message #1769093]

Wed, 26 July 2017 12:47

zz lalou

Messages: 17
Registered: April 2011

Junior Member

Hi,
My ATL transformation takes one input model which I aim to transform it into two different models.
Is that possible to have more than one output model using ATL?

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Re: Can I have two output models from one input model using ATL transformation? [message #1769481 is a reply to message #1769093]

Tue, 01 August 2017 02:22

$Ricardo \\\"CaWal\\\" Cacheta Waldemarin is currently offline$ Ricardo \\\"CaWal\\\" Cacheta Waldemarin

Messages: 29
Registered: January 2013

Junior Member

Here is presented how to create elements in different models conforming to the same metamodel: https://www.eclipse.org/forums/index.php/t/462932/

And in the language guide (https://wiki.eclipse.org/ATL/User_Guide_-_The_ATL_Language#Simple_target_pattern_element)

Quote:

Since ATL 3.1:

The declaration can specify the output model where to create elements. When several output models conform to the same metamodel, the in keyword allow to specify the output model name. Here is a sample transformation header:
create OUT1 : MM_B, OUT2 : MM_B from ... ;
Below is an output pattern which creates elements in the OUT2 model:
to
    o : MM_B!Class2 in OUT2

If possible, I think is better to use two different transformations. Nevertheless, you can create multiple models in one transformation. =)

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Re: Can I have two output models from one input model using ATL transformation? [message #1769515 is a reply to message #1769481]

Tue, 01 August 2017 09:24

zz lalou

Messages: 17
Registered: April 2011

Junior Member

Thank for replying,
In fact, in my case, each output model conforms to a different meta-model.
Is that possible?

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Re: Can I have two output models from one input model using ATL transformation? [message #1835319 is a reply to message #1769515]

Mon, 30 November 2020 15:53

Burak Karaduman

Messages: 84
Registered: July 2018

Member

This is actually, what i am looking for too.

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Re: Can I have two output models from one input model using ATL transformation? [message #1835340 is a reply to message #1835319]

Tue, 01 December 2020 08:09

Dennis Wagelaar

Messages: 589
Registered: September 2012
Location: Belgium

Senior Member

You can create any number of output models, regardless of the metamodels those output models conform to. The example Ricardo provided earlier shows the special declaration you need to write if multiple output models conform to the same metamodel (= the more difficult situation).

I've attached a simple example Eclipse project where two output models conform to different metamodels.

Attachment: ATLMultipleOutMetamodels.zip
(Size: 4.00KB, Downloaded 91 times)

Cheers,
Dennis

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