+
+ Collection<Resource> components = OrderedSetUtils.toList(g, data);
+
+ DiagramContents result = g.syncRequest(new UniqueAsyncRead<DiagramContents>() {
+
+ @Override
+ public void perform(AsyncReadGraph graph, AsyncProcedure<DiagramContents> procedure) {
+
+ DiagramContents result = new DiagramContents();
+ procedure.execute(graph, result);
+
+ result.elements = new ArrayList<Resource>(previousElementCount);
+ result.nodeSet = new THashSet<Resource>();
+ result.connectionSet = new THashSet<Resource>();
+ result.connectionSegments = new THashSet<EdgeResource>();
+ result.branchPoints = new THashSet<Resource>();
+ result.routeGraphConnectionSet = new THashSet<Resource>();
+ result.routeLinks = new THashSet<EdgeResource>();
+ result.routeLines = new THashSet<Resource>();
+ result.routePoints = new THashSet<Resource>();
+
+ result.partToConnection = new THashMap<Object, Resource>();
+
+ for(final Resource component : components) {
+
+ // Must add the elements to the result set here in order to
+ // keep their order the same as in the ordered set.
+ final int elementIndex = index.getAndIncrement();
+ result.elements.add(component);
+
+ graph.forTypes(component, new ProcedureAdapter<Set<Resource>>() {
+
+ @Override
+ public void execute(Set<Resource> types) {
+
+ if (types.contains(DIA.Connection)) {
+ if (types.contains(DIA.RouteGraphConnection)) {
+ graph.asyncRequest(new RouteGraphConnectionPartRequest(errorHandler, DIA, component),
+ new ProcedureAdapter<RouteGraphConnectionPartData>() {
+ @Override
+ public void execute(RouteGraphConnectionPartData partData) {
+ synchronized (result) {
+ for (EdgeResource link : partData.links) {
+ result.routeLinks.add(link);
+ result.partToConnection.put(link, component);
+ result.connectionToParts.add(component, link);
+ }
+ for (Resource line : partData.routeLines) {
+ result.routeLines.add(line);
+ result.connectionToParts.add(component, line);
+ result.partToConnection.put(line, component);
+ }
+ for (Resource point : partData.routePoints) {
+ result.routePoints.add(point);
+ result.connectionToParts.add(component, point);
+ result.partToConnection.put(point, component);
+ }
+ }
+ }
+ });
+
+ synchronized (result.routeGraphConnectionSet) {
+ result.routeGraphConnectionSet.add(component);
+ }
+ } else {
+ graph.asyncRequest(new ConnectionPartRequest(errorHandler, DIA, component),
+ new ProcedureAdapter<ConnectionPartData>() {
+ @Override
+ public void execute(ConnectionPartData partData) {
+ synchronized (result) {
+ for (EdgeResource er : partData.edges) {
+ result.connectionSegments.add(er);
+ result.partToConnection.put(er, component);
+ result.connectionToParts.add(component, er);
+ }
+ for (Resource bp : partData.branchPoints) {
+ result.branchPoints.add(bp);
+ result.connectionToParts.add(component, bp);
+ result.partToConnection.put(bp, component);
+ }
+ }
+ }
+ });
+
+ synchronized (result.connectionSet) {
+ result.connectionSet.add(component);
+ }
+ }
+ }
+ else if (types.contains(DIA.Element)) {
+ synchronized (result.nodeSet) {
+ result.nodeSet.add(component);
+ }
+ }
+ else {
+ synchronized (unrecognizedElementIndices) {
+ // Unrecognized element, mark it to be
+ // removed after everything is processed.
+ unrecognizedElementIndices.add(elementIndex);
+ }
+ }
+
+ }
+
+ });
+
+ }
+ }