Home » Archived » M2M (model-to-model transformation) » [ATL] AtlLauncher launch -List superimpose- argument
| [ATL] AtlLauncher launch -List superimpose- argument [message #68495] |
Mon, 10 December 2007 11:22  |
Eclipse User |
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Originally posted by: valerio.summo.gmail.com
Hi all,
I'm trying to develop a Java Launcher for an ATL transformation from UML2 to
OWL, but I have some problems in the runATLTransformation, in the following
codeline:
AtlLauncher.getDefault().launch(transformation, libs, models, params);
The method launch(...) seems to have one more argument:
- launch (URL asmurl, Map libraries, Map models, Map asmParams, List
superimpose)
instead of:
- launch (URL asmurl, Map libraries, Map models, Map asmParams)
And so I have tried to put null as last argument, as I really don't know how
fill the value.
Anyway, when I run the code, I get the following Exception:
Dec 10, 2007 12:16:03 PM org.eclipse.m2m.atl.engine.AtlLauncher launch
SEVERE: null
java.lang.NullPointerException
at org.eclipse.m2m.atl.engine.AtlLauncher.launch(AtlLauncher.ja va:144)
..........
What could I do?
Thank you in advance,
Valerio
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| Re: [ATL] AtlLauncher launch -List superimpose- argument [message #68506 is a reply to message #68495] |
Mon, 10 December 2007 12:00  |
| Eclipse User |
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Originally posted by: valerio.summo.gmail.com
If I put
Collections.EMPTY_LIST
instead of null, in this way:
AtlLauncher.getDefault().launch(transformation, libs, models, params,
Collections.EMPTY_LIST);
it's ok, but then, in the
extractXMLModelToFile(ASMModel model, String file)
I get an Exception:
Exception in thread "main" java.lang.NullPointerException
at
org.eclipse.m2m.atl.drivers.emf4atl.ASMEMFModel.getElementsB yType(ASMEMFModel.java:162)
at
org.eclipse.m2m.atl.engine.vm.nativelib.ASMModel.getElements ByType(ASMModel.java:53)
at
org.eclipse.m2m.atl.engine.extractors.xml.XMLExtractor.extra ct(XMLExtractor.java:45)
at
org.eclipse.m2m.atl.engine.extractors.xml.XMLExtractor.extra ct(XMLExtractor.java:32)
at the following code line:
xmle.extract(model, out, parameters); // Do extraction !
Any help?
Thank you!
Valerio
"Valerio Summo" <valerio.summo@gmail.com> wrote in message
news:fjj7h5$utr$1@build.eclipse.org...
> Hi all,
> I'm trying to develop a Java Launcher for an ATL transformation from UML2
> to
> OWL, but I have some problems in the runATLTransformation, in the
> following
> codeline:
>
> AtlLauncher.getDefault().launch(transformation, libs, models, params);
>
> The method launch(...) seems to have one more argument:
>
> - launch (URL asmurl, Map libraries, Map models, Map asmParams, List
> superimpose)
>
> instead of:
>
> - launch (URL asmurl, Map libraries, Map models, Map asmParams)
>
> And so I have tried to put null as last argument, as I really don't know
> how fill the value.
>
> Anyway, when I run the code, I get the following Exception:
>
>
> Dec 10, 2007 12:16:03 PM org.eclipse.m2m.atl.engine.AtlLauncher launch
>
> SEVERE: null
>
> java.lang.NullPointerException
>
> at org.eclipse.m2m.atl.engine.AtlLauncher.launch(AtlLauncher.ja va:144)
>
>
> .........
>
> What could I do?
>
> Thank you in advance,
>
> Valerio
>
>
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| Re: [ATL] AtlLauncher launch -List superimpose- argument [message #69646 is a reply to message #68506] |
Thu, 13 December 2007 21:32 |
 Frédéric Jouault
Messages: 572
Registered: July 2009 |
Senior Member |
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Hello,
> If I put
> Collections.EMPTY_LIST
>
> instead of null, in this way:
>
> AtlLauncher.getDefault().launch(transformation, libs, models, params,
> Collections.EMPTY_LIST);
>
> it's ok,
This is what you should do indeed.
> but then, in the
>
> extractXMLModelToFile(ASMModel model, String file)
>
> I get an Exception:
Could you try to save the XML model without using the XML extractor
(i.e., in XMI), to check if it is correct (e.g., has a root).
If not, then the problem is before the extraction (e.g., in one of the
transformations)
Regards,
Frédéric Jouault
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