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[Acceleo 3]Decision outgoing are switching [message #718494]

Wed, 24 August 2011 13:58

Norman

Messages: 17
Registered: June 2011

Junior Member

Hi everybody,

every generation i do my outgoing flows from a decision node are switching. I do:

[outgoing->asOrderedSet()->first().name/]
[outgoing->asOrderedSet()->last().name/]

if there are 2 outgoing flows called OF1,OF2 the return is:

OF1
OF2

and after one or more generation it switches to:

OF2
OF1

and back.

Greetings,
Norman

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Re: [Acceleo 3]Decision outgoing are switching [message #719120 is a reply to message #718494]

Fri, 26 August 2011 06:48

Norman

Messages: 17
Registered: June 2011

Junior Member

i solved my problem, for all having the same:

instead of this

[for (out : ControlFlow | node.outgoing)]

use this and its ordered

[for (out : ControlFlow | node.eContainer().eContents(ControlFlow)->select(node.outgoing.source.name->intersection(source->asBag().name)->notEmpty() and node.outgoing.target.name->intersection(target->asBag().name)->notEmpty()))]

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Re: [Acceleo 3]Decision outgoing are switching [message #719141 is a reply to message #719120]

Fri, 26 August 2011 07:35

Laurent Goubet

Messages: 1902
Registered: July 2009

Senior Member

Hi Norman,

The problem here is that the "outgoing" reference is not ordered. The "asOrderedSet" method indeed takes its values and make sure that further calls will always be in the same order... but the original collection being in a random order, the new ordered set, that takes its own order from that original collection, will also be random.

I can see two choices here. Either you use the ordered "eContents" as you did here, or you re-sort the collection yourself. Something like this should do :

node.outgoing->asOrderedSet()->sortedBy(name)

Laurent Goubet
Obeo

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