/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public virtual void SetIsLoaded([NotNull] INavigation navigation, bool loaded = true)
{
if (!loaded &&
!navigation.IsCollection() &&
this[navigation] != null)
{
throw new InvalidOperationException(
CoreStrings.ReferenceMustBeLoaded(navigation.Name, navigation.DeclaringEntityType.DisplayName()));
}
_stateData.FlagProperty(navigation.GetIndex(), PropertyFlag.IsLoaded, isFlagged: loaded);
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public virtual bool IsLoaded([NotNull] INavigation navigation)
=> (!navigation.IsCollection() &&
EntityState != EntityState.Detached &&
this[navigation] != null) ||
_stateData.IsPropertyFlagged(navigation.GetIndex(), PropertyFlag.IsLoaded);
private int GetNavigationStateDataIndex(INavigation navigation) => navigation.GetIndex() - EntityType.PropertyCount();