/**
  * This specifies how to implement {@link #getChildren} and is used to deduce an appropriate
  * feature for an {@link org.eclipse.emf.edit.command.AddCommand}, {@link
  * org.eclipse.emf.edit.command.RemoveCommand} or {@link org.eclipse.emf.edit.command.MoveCommand}
  * in {@link #createCommand}.
  * <!-- begin-user-doc -->
  * <!-- end-user-doc -->
  *
  * @generated
  */
 public Collection getChildrenFeatures(Object object) {
   if (childrenFeatures == null) {
     super.getChildrenFeatures(object);
     childrenFeatures.add(UML2Package.Literals.COMMENT__BODY_EXPRESSION);
   }
   return childrenFeatures;
 }
  /**
   * This adds to the collection of {@link org.eclipse.emf.edit.command.CommandParameter}s
   * describing all of the children that can be created under this object.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   *
   * @generated
   */
  protected void collectNewChildDescriptors(Collection newChildDescriptors, Object object) {
    super.collectNewChildDescriptors(newChildDescriptors, object);

    newChildDescriptors.add(
        createChildParameter(
            UML2Package.Literals.COMMENT__BODY_EXPRESSION,
            UML2Factory.eINSTANCE.createStringExpression()));
  }
  /**
   * This returns the property descriptors for the adapted class.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   *
   * @generated
   */
  public List getPropertyDescriptors(Object object) {
    if (itemPropertyDescriptors == null) {
      super.getPropertyDescriptors(object);

      addBodyPropertyDescriptor(object);
      addAnnotatedElementPropertyDescriptor(object);
      addBodyExpressionPropertyDescriptor(object);
    }
    return itemPropertyDescriptors;
  }
  /**
   * This handles model notifications by calling {@link #updateChildren} to update any cached
   * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   *
   * @generated
   */
  public void notifyChanged(Notification notification) {
    updateChildren(notification);

    switch (notification.getFeatureID(Comment.class)) {
      case UML2Package.COMMENT__BODY:
        fireNotifyChanged(
            new ViewerNotification(notification, notification.getNotifier(), false, true));
        return;
      case UML2Package.COMMENT__BODY_EXPRESSION:
        fireNotifyChanged(
            new ViewerNotification(notification, notification.getNotifier(), true, false));
        return;
    }
    super.notifyChanged(notification);
  }