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switch operation problem [message #1761796]

Thu, 11 May 2017 15:09

Cyril Osdoit

Messages: 23
Registered: March 2017

Junior Member

Hello,

I am using a pane based selection wizard for which I use a custom Java service returning a list of EObjets. To put each EObjets in a different feature I use a switch operation with

aql:element.oclIsTypeOf([mytype]])

the probem is that it seems to always go in the first case. I'd guess it would be because the objects go out as EObjects, but then it would rather go to my default since oclIsTypeOf returns true only if the object is of that type and not when it's a subtype.
Do you know what i'm doing wrong and how to fix it ?

Thanks in advance,
Cyril

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Re: switch operation problem [message #1761807 is a reply to message #1761796]

Thu, 11 May 2017 15:15

Julien Dupont

Messages: 172
Registered: July 2009

Senior Member

Hi Cyril,

oclIstypeOf() return only the type of the Object. To get inherited types you should use oclIsKindOf(). It's advisable to use oclIsKindOf() instead of oclIsTypeOf()

Regards,

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Re: switch operation problem [message #1762968 is a reply to message #1761807]

Fri, 12 May 2017 06:46

Cyril Osdoit

Messages: 23
Registered: March 2017

Junior Member

I used oclIsKindOf() but it doesn't change anything, I still have only the fist case that works.

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Re: switch operation problem [message #1763297 is a reply to message #1762968]

Fri, 12 May 2017 12:34

Julien Dupont

Messages: 172
Registered: July 2009

Senior Member

Hi Cyril,

Can you launch a validation on your Swich operation.
Are you sure, to had element typed like the condition, or the default case is not always true?

Regards,

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Re: switch operation problem [message #1763398 is a reply to message #1763297]

Mon, 15 May 2017 08:48

Cyril Osdoit

Messages: 23
Registered: March 2017

Junior Member

Hi Julien,

I launched a validation, I had no problem with my switch operation (I had some with other parts of my representation but that's not the point)
Here's a screenshot of my pane based selection

index.php/fa/29346/0/

Reminder : my returns a EList<EObject>

Connector, Component, Port and Property all directly inherit from Core_Element

Attachment: Screenshot from 2017-05-15 10:34:35.png
(Size: 56.00KB, Downloaded 253 times)

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Re: switch operation problem [message #1763399 is a reply to message #1763398]

Mon, 15 May 2017 09:16

Julien Dupont

Messages: 172
Registered: July 2009

Senior Member

Hi Cyril,

I think I understood the problem.
In a selection wizard, even if selection multiple is not checked the result returned by the wizard is a list. So you must use an operation For, to use operation Switch.
Add an opeation For and put the operation Switch in.

Regards,

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Re: switch operation problem [message #1763404 is a reply to message #1763399]

Mon, 15 May 2017 10:30

Cyril Osdoit

Messages: 23
Registered: March 2017

Junior Member

The problem doesn't seem to come from the iteration, because If I select multiple Components they all get added. Anyway I tried to add a for before the switch, (used element as expression for the for and changed every occurence of element by i) and it didn't even work for Components. Even though it was a "for problem", why wouldn't it work with other elements like when I just try to add a port.

Regards,
Cyril

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