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State machine animation [message #1784430]

Tue, 27 March 2018 19:54

Steve Zielinski is currently offline

Steve Zielinski

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Messages: 9
Registered: March 2018

Junior Member

I am trying to build a project with state machine animation.

I see that it is possible viewing this YouTube example:

Model Simulation and Animation
https://www.youtube.com/watch?v=zxQ-lcbIz7s

I have followed the tutorials and have successfully animated the Activity diagrams found in the BasicActiveObjectExample. However, when I add a simple 2 state state machine to the Increment class, it does not animate.

Animation of state machines seems to be a hole in the available documentation as well as in the available YouTube videos. If a detailed tutorial exists, please point me toward it.

I have attached the exported files. Perhaps I'm not initializing something I should?

Attachment: BasicActiveObjectExample.di
(Size: 0.10KB, Downloaded 219 times)
Attachment: BasicActiveObjectExample.notation
(Size: 81.39KB, Downloaded 192 times)
Attachment: BasicActiveObjectExample.uml
(Size: 21.73KB, Downloaded 265 times)

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Re: State machine animation [message #1784450 is a reply to message #1784430]

Wed, 28 March 2018 07:05

Carsten Pitz is currently offline

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Messages: 479
Registered: May 2015
Location: Germany

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Hi Steve,
do you have the Moka components installed?

And there is an issue starting the simulation working with the Moka debug perspective.
Please try to start the simulation within the Papyrus perspective and switch to the Moka perspective after the animation is running.

/Carsten

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Re: State machine animation [message #1784521 is a reply to message #1784450]

Wed, 28 March 2018 21:53

Steve Zielinski is currently offline

Steve Zielinski

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Messages: 9
Registered: March 2018

Junior Member

Hi Carsten,

Yes, I do have the Moka components installed.

I seem to have gone backwards - the BasicActiveObjectExample is no longer executing reliably. I will have to reload and try again.

Steve

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Re: State machine animation [message #1785090 is a reply to message #1784521]

Mon, 09 April 2018 11:48

THEOBALD Maurice is currently offline

THEOBALD Maurice

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Messages: 23
Registered: February 2017

Junior Member

Hi Steve,

Did you select the org.eclipse.papyrus.moka.fuml.statemachines execution engine ?

Maurice

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Re: State machine animation [message #1797879 is a reply to message #1785090]

Wed, 07 November 2018 22:27

Steve Zielinski is currently offline

Steve Zielinski

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Messages: 9
Registered: March 2018

Junior Member

After a long delay I finally returned to this project.

I now have the BasicActiveObjectExample running and animating. However, no breakpoints appear to work. I have tried setting breakpoints on items labeled [Activity Edge] and those labeled [Activity Node], yet Moka never hits the breakpoints.

I have attached an image of the incrementMethod showing multiple blue dots.

I do notice something interesting in the "Breakpoints" tab. Each breakpoint is listed as "BasicActiveObjectExample.uml". This is also shown in the attached image.

This is unlike the ModelExecution tutorial where the breakpoint tab shows things like " ObjectFlow5" and "read counter".

Ideas??

Attachment: No_breakpointing.PNG
(Size: 136.75KB, Downloaded 198 times)

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Re: State machine animation [message #1797881 is a reply to message #1797879]

Wed, 07 November 2018 23:12

Steve Zielinski is currently offline

Steve Zielinski

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Messages: 9
Registered: March 2018

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I have now tried to add a very simple state machine.

See attached image.

I then re-generated the Increment_Factory.

I then created a new Debug Configuration using org.eclipse.papyrus.moka.fuml.statemachines

as the Execution Engine. See attached image.

The statemachine did not animate. Both the IncrementClassifierBehavior diagram and the incrementMethod did animate.

Attachment: added_statemachine.PNG
(Size: 69.33KB, Downloaded 222 times)
Attachment: debug_config.PNG
(Size: 72.74KB, Downloaded 186 times)

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Re: State machine animation [message #1797928 is a reply to message #1797881]

Thu, 08 November 2018 16:15

Steve Zielinski is currently offline

Steve Zielinski

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Messages: 9
Registered: March 2018

Junior Member

Still having no luck animating the statemachine.

However, completely exiting Eclipse and re-starting now has breakpoints working. When I came back into the project, I noticed all the existing breakpoints had been removed. I created one and it worked.

I do continue to note, however, the "Breakpoints" tab lists the breakpoint as BasicActiveObjectExample.uml (nothing more specific than that).

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Re: State machine animation [message #1804279 is a reply to message #1797928]

Thu, 21 March 2019 17:20

Jesús Gorroñogoitia is currently offline

Jesús Gorroñogoitia

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Messages: 5
Registered: July 2018

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Hi Steve,
I've been also struggling with Moka simulation for both activity and state machine diagrams. If you clone the Moka source code from its Eclipse Git repository:

git clone git://git.eclipse.org/gitroot/papyrus/org.eclipse.papyrus-moka.git

You can find therein in the directory ./bundles/core/engines/org.eclipse.papyrus.moka.fuml.statemachines/resources/tests/ the Papyrus model PSSM_TestSuite.di, which contains dozens of valid activity/statemachine test models.

I've tested those in model folder Behavior. You can run all them by executing the activity BehaviorTests or by individual cases. For both, create a Moka run configuration that uses as execution engine the org.eclipse.papyrus.moka.fuml.statemachines . To select the element to be executed you cannot rely on the drop-down combo box, since the huge number of behaviors in the model makes Eclipse to collapse, but you can transverse this list using the arrow keys up/down until you find the activity you want to simulate. Remember to have opened beforehand the activity/state machine models you want to visualized. It is not working the automatic opening of models option that you can configure in the Moka Animate view.

Hope this helps!.

Yosu

[Updated on: Thu, 21 March 2019 17:22]

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Re: State machine animation [message #1805780 is a reply to message #1804279]

Tue, 23 April 2019 20:31

Steve Zielinski is currently offline

Steve Zielinski

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Messages: 9
Registered: March 2018

Junior Member

Yosu,

Thank you for the reply.

Your directions did help. I did not clone the Git repository yet.

My simple 2 state statemachine did start to animate! However, not for long.

I see it follow the initial transition into State1. Then I get a java.lang.NullPointerException.

I don't know how to get further information about that exception in order to debug it. Is there a way to view the code itself?

Thanks for your help,

Steve

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Re: State machine animation [message #1805891 is a reply to message #1805780]

Fri, 26 April 2019 16:34

Steve Zielinski is currently offline

Steve Zielinski

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Messages: 9
Registered: March 2018

Junior Member

I have made a short video showing the issue I'm having with creating a very simple animated state machine. Please see: https://youtu.be/eFprYBUCpvc

https://youtu.be/eFprYBUCpvc

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Re: State machine animation [message #1805934 is a reply to message #1805891]

Mon, 29 April 2019 05:21

THEOBALD Maurice is currently offline

THEOBALD Maurice

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Messages: 23
Registered: February 2017

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Hi Steve,

Could you also post your simple model ?

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Re: State machine animation [message #1805982 is a reply to message #1805934]

Mon, 29 April 2019 17:56

Steve Zielinski is currently offline

Steve Zielinski

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Messages: 9
Registered: March 2018

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Thanks for the reply. Here is the exported model as requested ...

Attachment: BasicActiveObjectExample.di
(Size: 4.94KB, Downloaded 161 times)
Attachment: BasicActiveObjectExample.notation
(Size: 90.46KB, Downloaded 177 times)
Attachment: BasicActiveObjectExample.uml
(Size: 27.96KB, Downloaded 201 times)

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Re: State machine animation [message #1806233 is a reply to message #1805982]

Mon, 06 May 2019 15:47

Pauline Deville is currently offline

Pauline Deville

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Messages: 122
Registered: November 2016
Location: Paris Saclay, France

Senior Member

Hello,

It seems that your model is not conform to the norm since you want to run a standalone state machine which is not active.

According to the PSSM norm, if the state machine is not active then the there is no object activation for this element and there is no way to receive events. This is a known bug that Moka should provide better error messages or at lease validate the model.

So to fix your problem, it seems that you should set the field "isActive" of your state machine to true.

HTH,
Pauline

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Re: State machine animation [message #1836939 is a reply to message #1806233]

Tue, 19 January 2021 11:18

Chao Tan is currently offline

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Messages: 5
Registered: July 2020

Junior Member

Did you address this problem ? I encountered the same problem . Please help me

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Re: State machine animation [message #1837054 is a reply to message #1836939]

Thu, 21 January 2021 13:13

Patrick Tessier is currently offline

Patrick Tessier

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Messages: 341
Registered: July 2009
Location: Paris Saclay, France

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Have you applied the process that has explained Pauline?
Papyrus Team

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