@Programmatic
@SuppressWarnings("unchecked")
@Override
public <T> T newViewModelInstance(Class<T> ofClass, String memento) {
final ObjectSpecification spec = specificationLoader.loadSpecification(ofClass);
if (!spec.containsFacet(ViewModelFacet.class)) {
throw new IsisException("Type must be a ViewModel: " + ofClass);
}
final ObjectAdapter adapter =
persistenceSessionServiceInternal.createViewModelInstance(spec, memento);
if (adapter.getOid().isViewModel()) {
return (T) adapter.getObject();
} else {
throw new IsisException(
"Object instantiated but was not given a ViewModel Oid; please report as a possible defect in Isis: "
+ ofClass);
}
}
public boolean isForValueType(final Class<? extends Facet> cls) {
final ObjectSpecification specification = content.getSpecification();
return specification != null && specification.containsFacet(cls);
}
