Re: [henshin-user] (no subject)
Actually, using your source code, transformation, and models, I was
able to set up the transformation so that it runs without throwing
in exception. (To try it out, download the attached zip, import it
in Eclipse via "File -> Import -> General -> Existing
Projects into Workspace...", and execute Main.java).|
Note that the rule "AssociationClass2Class" successfully changes the
model, whereas the application of the unit "CDRefinement" fails (I
haven't looked at the transformation in detail).
In the general case, Steffen's answer is accurate: when working with
EMF, you need to register the involved meta-models. But
HenshinResourceSet has some convenience features built into it so
that it can register the meta-models automatically in this case.
Am 08.02.2017 um 10:42 schrieb Loic
@Daniel, I think this FAQ doesn't apply as the
transformation executes correctly when using the
Henshin GUI in Eclipse.
@Steffen, this might well be the case as nowhere in the
code have I imported my ecore model.
I attach my code at the end of this mail ( this code was
copy pasted from the henshin interpreter page).
Do I have to add an instruction to import the ecore
metamodel ? If so, how to do it ? ( I'm relatively new to
the ecore world ).
Thanks for the swift reply,
HenshinResourceSet resourceSet = new
// Load a model:
Resource model =
// Load the Henshin module:
Module module =
// Apply the transformation (see
// Save the model:
// Prepare the engine:
Engine engine = new EngineImpl();
// Initialize the graph:
EGraph graph = new EGraphImpl(model);
// Find the unit to be applied:
Unit u = module.getUnit(unit);
// Apply the unit:
UnitApplication application = new
UnitApplicationImpl(engine, graph, u, null);
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