+
+ /*
+ * Returns the linked shared ontologies in topological order.
+ */
+ public static List<Resource> collectDependencies(ReadGraph graph, Resource resource) throws DatabaseException {
+ LinkedList<Resource> order = new LinkedList<>();
+ collectDependencies(graph, resource, order, new HashSet<>());
+ return order;
+ }
+
+ private static void collectDependencies(ReadGraph graph, Resource resource, LinkedList<Resource> order, Set<Resource> visited) throws DatabaseException {
+ Layer0 L0 = Layer0.getInstance(graph);
+ for(Resource library : graph.syncRequest(new ObjectsWithType(resource, L0.IsLinkedTo, L0.SharedOntology))) {
+ if (order.contains(library)) continue;
+ if (visited.contains(library)) throw new DatabaseException("Cyclic dependency detected.");
+ visited.add(library);
+ collectDependencies(graph, library, order, visited);
+ order.addFirst(library);
+ }
+ }
+
+ private static List<ModelDependency> collectModelDependencies(ReadGraph graph, Resource resource) throws DatabaseException {
+ List<Resource> order = collectDependencies(graph, resource);
+ Collections.reverse(order);
+
+ List<ModelDependency> modelDependencies = new ArrayList<>(order.size());
+
+ for (Resource library : order) {
+ String uri = graph.getPossibleURI(library);
+ if(uri == null) continue;
+ CopyHandler ch = graph.adapt(library, CopyHandler.class);
+ SimanticsClipboardImpl clipboard = new SimanticsClipboardImpl();
+ ch.copyToClipboard(graph, clipboard);
+ for (Set<Representation> object : clipboard.getContents()) {
+ TransferableGraph1 tg = ClipboardUtils.accept(graph, object, SimanticsKeys.KEY_TRANSFERABLE_GRAPH);
+ if(tg != null) {
+ modelDependencies.add(new ModelDependency(uri, tg));
+ }
+ }
+ }
+ return modelDependencies;
+ }
+
+ public static ModelDependenciesBean create(ReadGraph graph, Resource resource) throws DatabaseException {
+ List<ModelDependency> dependencies = collectModelDependencies(graph, resource);
+ return new ModelDependenciesBean(dependencies.toArray(new ModelDependency[dependencies.size()]));
+ }
+
+ public static ModelDependenciesBean fromMigrationState(MigrationState state) throws DatabaseException, AdaptException {
+ Map<String,Variant> extensions = state.getProperty(MigrationStateKeys.TG_EXTENSIONS);
+ final Variant variant = extensions.get(ModelDependenciesBean.EXTENSION_KEY);
+ return variant != null ? (ModelDependenciesBean) variant.getValue(ModelDependenciesBean.BINDING) : null;
+ }
+