/** @generated */
 protected boolean isOrphaned(Collection<EObject> semanticChildren, final View view) {
   if (isShortcut(view)) {
     return edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
         .ClassDiagram_MAVODiagramUpdater.isShortcutOrphaned(view);
   }
   return isMyDiagramElement(view) && !semanticChildren.contains(view.getElement());
 }
 /** @generated */
 @SuppressWarnings("rawtypes")
 protected List getSemanticChildrenList() {
   View viewObject = (View) getHost().getModel();
   LinkedList<EObject> result = new LinkedList<EObject>();
   List<
           edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
               .ClassDiagram_MAVONodeDescriptor>
       childDescriptors =
           edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
               .ClassDiagram_MAVODiagramUpdater.getClassDiagram_1000SemanticChildren(viewObject);
   for (edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
           .ClassDiagram_MAVONodeDescriptor
       d : childDescriptors) {
     result.add(d.getModelElement());
   }
   return result;
 }
 /** @generated */
 private Collection<
         edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
             .ClassDiagram_MAVOLinkDescriptor>
     collectAllLinks(View view, Domain2Notation domain2NotationMap) {
   if (!edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.edit.parts.ClassDiagramEditPart
       .MODEL_ID.equals(
       edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
           .ClassDiagram_MAVOVisualIDRegistry.getModelID(view))) {
     return Collections.emptyList();
   }
   LinkedList<
           edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
               .ClassDiagram_MAVOLinkDescriptor>
       result =
           new LinkedList<
               edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
                   .ClassDiagram_MAVOLinkDescriptor>();
   switch (edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
       .ClassDiagram_MAVOVisualIDRegistry.getVisualID(view)) {
     case edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.edit.parts.ClassDiagramEditPart
         .VISUAL_ID:
       {
         if (!domain2NotationMap.containsKey(view.getElement())) {
           result.addAll(
               edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
                   .ClassDiagram_MAVODiagramUpdater.getClassDiagram_1000ContainedLinks(view));
         }
         domain2NotationMap.putView(view.getElement(), view);
         break;
       }
     case edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.edit.parts.ClassEditPart
         .VISUAL_ID:
       {
         if (!domain2NotationMap.containsKey(view.getElement())) {
           result.addAll(
               edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
                   .ClassDiagram_MAVODiagramUpdater.getClass_2001ContainedLinks(view));
         }
         domain2NotationMap.putView(view.getElement(), view);
         break;
       }
     case edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.edit.parts.AttributeEditPart
         .VISUAL_ID:
       {
         if (!domain2NotationMap.containsKey(view.getElement())) {
           result.addAll(
               edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
                   .ClassDiagram_MAVODiagramUpdater.getAttribute_3001ContainedLinks(view));
         }
         domain2NotationMap.putView(view.getElement(), view);
         break;
       }
     case edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.edit.parts.OperationEditPart
         .VISUAL_ID:
       {
         if (!domain2NotationMap.containsKey(view.getElement())) {
           result.addAll(
               edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
                   .ClassDiagram_MAVODiagramUpdater.getOperation_3002ContainedLinks(view));
         }
         domain2NotationMap.putView(view.getElement(), view);
         break;
       }
     case edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.edit.parts.AssociationEditPart
         .VISUAL_ID:
       {
         if (!domain2NotationMap.containsKey(view.getElement())) {
           result.addAll(
               edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
                   .ClassDiagram_MAVODiagramUpdater.getAssociation_4001ContainedLinks(view));
         }
         domain2NotationMap.putView(view.getElement(), view);
         break;
       }
     case edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.edit.parts
         .NestedInReferenceEditPart.VISUAL_ID:
       {
         if (!domain2NotationMap.containsKey(view.getElement())) {
           result.addAll(
               edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
                   .ClassDiagram_MAVODiagramUpdater.getNestedInReference_4002ContainedLinks(view));
         }
         domain2NotationMap.putView(view.getElement(), view);
         break;
       }
     case edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.edit.parts
         .SuperclassReferenceEditPart.VISUAL_ID:
       {
         if (!domain2NotationMap.containsKey(view.getElement())) {
           result.addAll(
               edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
                   .ClassDiagram_MAVODiagramUpdater.getSuperclassReference_4003ContainedLinks(
                   view));
         }
         domain2NotationMap.putView(view.getElement(), view);
         break;
       }
     case edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.edit.parts.DependencyEditPart
         .VISUAL_ID:
       {
         if (!domain2NotationMap.containsKey(view.getElement())) {
           result.addAll(
               edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
                   .ClassDiagram_MAVODiagramUpdater.getDependency_4004ContainedLinks(view));
         }
         domain2NotationMap.putView(view.getElement(), view);
         break;
       }
   }
   for (Iterator children = view.getChildren().iterator(); children.hasNext(); ) {
     result.addAll(collectAllLinks((View) children.next(), domain2NotationMap));
   }
   for (Iterator edges = view.getSourceEdges().iterator(); edges.hasNext(); ) {
     result.addAll(collectAllLinks((View) edges.next(), domain2NotationMap));
   }
   return result;
 }
  /** @generated */
  protected void refreshSemantic() {
    if (resolveSemanticElement() == null) {
      return;
    }
    LinkedList<IAdaptable> createdViews = new LinkedList<IAdaptable>();
    List<
            edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
                .ClassDiagram_MAVONodeDescriptor>
        childDescriptors =
            edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
                .ClassDiagram_MAVODiagramUpdater.getClassDiagram_1000SemanticChildren(
                (View) getHost().getModel());
    LinkedList<View> orphaned = new LinkedList<View>();
    // we care to check only views we recognize as ours and not shortcuts
    LinkedList<View> knownViewChildren = new LinkedList<View>();
    for (View v : getViewChildren()) {
      if (isShortcut(v)) {
        if (edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
            .ClassDiagram_MAVODiagramUpdater.isShortcutOrphaned(v)) {
          orphaned.add(v);
        }
        continue;
      }
      if (isMyDiagramElement(v)) {
        knownViewChildren.add(v);
      }
    }
    // alternative to #cleanCanonicalSemanticChildren(getViewChildren(), semanticChildren)
    //
    // iteration happens over list of desired semantic elements, trying to find best matching View,
    // while original CEP
    // iterates views, potentially losing view (size/bounds) information - i.e. if there are few
    // views to reference same EObject, only last one
    // to answer isOrphaned == true will be used for the domain element representation, see
    // #cleanCanonicalSemanticChildren()
    for (Iterator<
                edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
                    .ClassDiagram_MAVONodeDescriptor>
            descriptorsIterator = childDescriptors.iterator();
        descriptorsIterator.hasNext(); ) {
      edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part.ClassDiagram_MAVONodeDescriptor
          next = descriptorsIterator.next();
      String hint =
          edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
              .ClassDiagram_MAVOVisualIDRegistry.getType(next.getVisualID());
      LinkedList<View> perfectMatch =
          new LinkedList<View>(); // both semanticElement and hint match that of NodeDescriptor
      for (View childView : getViewChildren()) {
        EObject semanticElement = childView.getElement();
        if (next.getModelElement().equals(semanticElement)) {
          if (hint.equals(childView.getType())) {
            perfectMatch.add(childView);
            // actually, can stop iteration over view children here, but
            // may want to use not the first view but last one as a 'real' match (the way original
            // CEP does
            // with its trick with viewToSemanticMap inside #cleanCanonicalSemanticChildren
          }
        }
      }
      if (perfectMatch.size() > 0) {
        descriptorsIterator
            .remove(); // precise match found no need to create anything for the NodeDescriptor
        // use only one view (first or last?), keep rest as orphaned for further consideration
        knownViewChildren.remove(perfectMatch.getFirst());
      }
    }
    // those left in knownViewChildren are subject to removal - they are our diagram elements we
    // didn't find match to,
    // or those we have potential matches to, and thus need to be recreated, preserving
    // size/location information.
    orphaned.addAll(knownViewChildren);
    //
    ArrayList<CreateViewRequest.ViewDescriptor> viewDescriptors =
        new ArrayList<CreateViewRequest.ViewDescriptor>(childDescriptors.size());
    for (edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
            .ClassDiagram_MAVONodeDescriptor
        next : childDescriptors) {
      String hint =
          edu.toronto.cs.se.modelepedia.classdiagram_mavo.diagram.part
              .ClassDiagram_MAVOVisualIDRegistry.getType(next.getVisualID());
      IAdaptable elementAdapter = new CanonicalElementAdapter(next.getModelElement(), hint);
      CreateViewRequest.ViewDescriptor descriptor =
          new CreateViewRequest.ViewDescriptor(
              elementAdapter,
              Node.class,
              hint,
              ViewUtil.APPEND,
              false,
              host().getDiagramPreferencesHint());
      viewDescriptors.add(descriptor);
    }

    boolean changed = deleteViews(orphaned.iterator());
    //
    CreateViewRequest request = getCreateViewRequest(viewDescriptors);
    Command cmd = getCreateViewCommand(request);
    if (cmd != null && cmd.canExecute()) {
      SetViewMutabilityCommand.makeMutable(new EObjectAdapter(host().getNotationView())).execute();
      executeCommand(cmd);
      @SuppressWarnings("unchecked")
      List<IAdaptable> nl = (List<IAdaptable>) request.getNewObject();
      createdViews.addAll(nl);
    }
    if (changed || createdViews.size() > 0) {
      postProcessRefreshSemantic(createdViews);
    }

    Collection<IAdaptable> createdConnectionViews = refreshConnections();

    if (createdViews.size() > 1) {
      // perform a layout of the container
      DeferredLayoutCommand layoutCmd =
          new DeferredLayoutCommand(host().getEditingDomain(), createdViews, host());
      executeCommand(new ICommandProxy(layoutCmd));
    }

    createdViews.addAll(createdConnectionViews);

    makeViewsImmutable(createdViews);
  }