/**
* Dynamically create an {@link EObject} with a collection called <code>children</code> which
* contains the given elements.
*
* @param collection The initial filling of the collection.
* @return An {@link EObject} which just has a containment list (named <code>children</code>) of
* type {@link EObject}.
*/
@SuppressWarnings("unchecked")
public static EObject wrapInGenericContainer(Collection<? extends EObject> collection) {
// create the wrapper containment reference
final EReference children = EcoreFactory.eINSTANCE.createEReference();
children.setName("children");
children.setLowerBound(0);
children.setUpperBound(ETypedElement.UNBOUNDED_MULTIPLICITY);
children.setContainment(true);
children.setEType(EcorePackage.Literals.EOBJECT);
// create the wrapper class
final EClass containerClass = EcoreFactory.eINSTANCE.createEClass();
containerClass.setName("GenericEContainer");
containerClass.getEStructuralFeatures().add(children);
// create a package for our wrapper class
final EPackage ePackage = EcoreFactory.eINSTANCE.createEPackage();
ePackage.setName("dynamic");
ePackage.setNsPrefix("dynamic");
ePackage.setNsURI("http://www.example.org/dynamic");
ePackage.getEClassifiers().add(containerClass);
// validate what we just created
if (Diagnostician.INSTANCE.validate(ePackage).getCode() == Diagnostic.OK) {
// instantiate our class, fill the children and return it
final EObject container = ePackage.getEFactoryInstance().create(containerClass);
((EList<EObject>) container.eGet(children)).addAll(collection);
return container;
} else {
throw new UnknownError(
"Dynamic EMF wrapper model creation failed for whatever reason. Developer, please debug better!");
}
}
private void addOutgoingReference(EClass eClass) {
EReference outgoingReference = EcoreFactory.eINSTANCE.createEReference();
outgoingReference.setName(OUTGOING);
outgoingReference.setLowerBound(0);
outgoingReference.setUpperBound(-1);
outgoingReference.setEType(getPlaceClass());
outgoingReference.setContainment(false);
eClass.getEStructuralFeatures().add(outgoingReference);
}
private void addReference(EClass eClass, String name, EClassifier eType, boolean containment) {
EReference placesReference = EcoreFactory.eINSTANCE.createEReference();
placesReference.setName(name);
placesReference.setLowerBound(0);
placesReference.setUpperBound(-1);
placesReference.setEType(eType);
placesReference.setContainment(containment);
eClass.getEStructuralFeatures().add(placesReference);
}
