/**
  * This returns the property descriptors for the adapted class.
  * <!-- begin-user-doc -->
  * <!-- end-user-doc -->
  *
  * @generated
  */
 @Override
 public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
   if (itemPropertyDescriptors == null) {
     super.getPropertyDescriptors(object);
   }
   return itemPropertyDescriptors;
 }
 /**
  * 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
  */
 @Override
 public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
   if (childrenFeatures == null) {
     super.getChildrenFeatures(object);
     childrenFeatures.add(MetricsPackage.Literals.METRIC_RETENTION_RULES__METRIC_RETENTION_RULES);
   }
   return childrenFeatures;
 }
  /**
   * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children that
   * can be created under this object.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   *
   * @generated
   */
  @Override
  protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
    super.collectNewChildDescriptors(newChildDescriptors, object);

    newChildDescriptors.add(
        createChildParameter(
            MetricsPackage.Literals.METRIC_RETENTION_RULES__METRIC_RETENTION_RULES,
            MetricsFactory.eINSTANCE.createMetricRetentionRule()));
  }
  /**
   * 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
   */
  @Override
  public void notifyChanged(Notification notification) {
    updateChildren(notification);

    switch (notification.getFeatureID(MetricRetentionRules.class)) {
      case MetricsPackage.METRIC_RETENTION_RULES__METRIC_RETENTION_RULES:
        fireNotifyChanged(
            new ViewerNotification(notification, notification.getNotifier(), true, false));
        return;
    }
    super.notifyChanged(notification);
  }