| "Resource not found" when epsilon.emf.register and permanently=true [message #574262] |
Mon, 17 August 2009 18:34 |
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Hello everyone,
The other day I needed to perform an ETL transformation from an Ecore
model, and I wanted to use its metamodel URI instead of depending on
where it was exactly in the workspace.
I added a line like this to my Ant buildfile after the source Ecore file
had been generated from the Emfatic source:
<epsilon.emf.register file="${ecore.location}" permanently="true"/>
However, it said that the resource
"platform:/resource/home/.../mymodel.ecore" did not exist. Using this
instead worked, so I assumed that it was something in the way the
permanently attribute (false by default, if I'm not mistaken) was
interpreted:
<epsilon.emf.register file="${ecore.location}"/>
I looked at the code in o.e.e.workflow.tasks.emf.RegisterTask and it
appeared that though EmfUtil#register was OK with getting a file URI,
EmfRegistryManager#addMetamodel expected a path relative to the
workspace location. However, it was getting the absolute path to the file:
EmfRegistryManager.getInstance().addMetamodel(file.getAbsolu tePath());
I've attached a patch which modifies RegisterTask so it tries to first
convert the absolute file path to a workspace relative path, and then
hands it to EmfRegistryManager#addMetaModel. It does work, but it could
be cleaner, I guess :-D.
The bug report is available at:
https://bugs.eclipse.org/bugs/show_bug.cgi?id=286849
Cheers,
Antonio
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name="fix-emf-register-permanently.patch"
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filename="fix-emf-register-permanently.patch"
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