private EMFModelDescriptor getAddChangeModelDescriptor(EList<IndepChange> changes, String name) {
for (IndepChange indepChange : changes) {
if (indepChange instanceof IndepAddRemElementChange) {
final EMFModelDescriptor subModel =
(EMFModelDescriptor) ((IndepAddRemElementChange) indepChange).getSubModel();
final EList<Object> attr =
subModel.getAttributes().get(EcorePackage.Literals.ENAMED_ELEMENT__NAME);
if (attr != null && attr.size() == 1 && name.equals(attr.get(0))) return subModel;
}
}
fail("EClass named '" + name + "' not found in: " + changes);
return null;
}
private void modifyDiff(MPatchModel mpatch) {
assertEquals("Number of changes doesn't match!", 3, mpatch.getChanges().size());
// get model descriptor of add class 'B' change
final EMFModelDescriptor subModel = getAddChangeModelDescriptor(mpatch.getChanges(), "B");
final EList<Object> attribute =
subModel.getAttributes().get(EcorePackage.Literals.ENAMED_ELEMENT__NAME);
final Object name = attribute.get(0);
assertEquals("Attribute name differs!", "B", name);
// change to 'C' and verify
attribute.set(0, "C");
final Object newName =
subModel.getAttributes().get(EcorePackage.Literals.ENAMED_ELEMENT__NAME).get(0);
assertEquals("Attribute name should have changed to 'C'!", "C", newName);
// get model descriptor of add class 'A2' change
final IndepChange addChange =
(IndepChange) getAddChangeModelDescriptor(mpatch.getChanges(), "A2").eContainer();
final ElementSetReference corrReference =
(ElementSetReference) addChange.getCorrespondingElement();
final OclCondition condition = (OclCondition) corrReference.getConditions().get(0);
condition.setExpression("name = 'root'"); // no weakening here!
}