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Home » Modeling » Epsilon » ETL trafo plug-in - no target model visible(After trafo the generated model is not visible in the workspace)
ETL trafo plug-in - no target model visible [message #1267669] Sun, 09 March 2014 11:03 Go to next message
Alexander Fülleborn is currently offline Alexander FüllebornFriend
Messages: 132
Registered: April 2013
Senior Member
Hello,

I have a problem with an Eclipse plug-in that I wrote for an ETL module. I do not see any output model. Do I need to take care about any additional property, or what might be the reason? If I run my ETL module with a launch configuration, it works fine, I see the generated file afterwards.

Thanks for any appreciated hints.

Cheers, Alexander

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Re: ETL trafo plug-in - no target model visible [message #1267717 is a reply to message #1267669] Sun, 09 March 2014 12:46 Go to previous messageGo to next message
Dimitris Kolovos is currently offline Dimitris KolovosFriend
Messages: 2162
Registered: July 2009
Location: York, UK
Senior Member
Hi Alexander,

Could you please try calling setStoredOnDisposal(true) on your target model and disposing of the module's model repository when you're done (module.getContext().getModelRepository().dispose())?

Cheers,
Dimitris

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Re: ETL trafo plug-in - no target model visible [message #1268308 is a reply to message #1267717] Mon, 10 March 2014 10:34 Go to previous messageGo to next message
Alexander Fülleborn is currently offline Alexander FüllebornFriend
Messages: 132
Registered: April 2013
Senior Member
Hi Dimitris,

thanks a lot for your support. I have already tried this, but unfortunately, that did not help. Do you have any other ideas?

Thanks a lot and kind regards, Alexander

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Re: ETL trafo plug-in - no target model visible [message #1268714 is a reply to message #1268308] Mon, 10 March 2014 22:42 Go to previous messageGo to next message
Dimitris Kolovos is currently offline Dimitris KolovosFriend
Messages: 2162
Registered: July 2009
Location: York, UK
Senior Member
Hi Alexander,

I can't think of anything else off the top of my head I'm afraid. Could you please put together a minimal example [1] I can use to reproduce this?

Cheers,
Dimitris

[1] http://eclipse.org/epsilon/doc/articles/minimal-examples/

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Re: ETL trafo plug-in - no target model visible [message #1268952 is a reply to message #1268714] Tue, 11 March 2014 07:24 Go to previous messageGo to next message
Alexander Fülleborn is currently offline Alexander FüllebornFriend
Messages: 132
Registered: April 2013
Senior Member
Hi Dimitris,

I attached my plug-in ressources. In the BaseHandler.java file, all the relevant source code is available. The ETL module that I call is located in "ProPGen_PCM2PCP_Transformation.etl". In case you have any further questions, please do not hesitate to get back to me.

Thanks in advance and kind regards, Alexander

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Re: ETL trafo plug-in - no target model visible [message #1269836 is a reply to message #1268952] Wed, 12 March 2014 08:39 Go to previous message
Dimitris Kolovos is currently offline Dimitris KolovosFriend
Messages: 2162
Registered: July 2009
Location: York, UK
Senior Member
Hi Alexander,

When I run your code on Model_Fowler.uml in a new workspace, I get the following exception.

java.lang.NullPointerException
at org.eclipse.core.internal.runtime.Activator.getURLConverter(Activator.java:321)
at org.eclipse.core.runtime.FileLocator.toFileURL(FileLocator.java:205)
at de.uni.due.swe.propman.propgen.pcm2pcptrafo.handler.BaseHandler.getFileInBundle(BaseHandler.java:229)
at de.uni.due.swe.propman.propgen.pcm2pcptrafo.handler.BaseHandler.executeEtl(BaseHandler.java:179)
at de.uni.due.swe.propman.propgen.pcm2pcptrafo.handler.BaseHandler$1.run(BaseHandler.java:265)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)

To speed things up, it'd be useful if you could strip your example down (400+ lines of code hardly qualifies as "minimal" Smile ) to the bare essentials.

Cheers,
Dimitris

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