/// <summary>
/// Converts to read only <see cref="IPropertyContainer"/> if needed.
/// Returns read only copy of <paramref name="propertyContainer"/> if it is <see cref="IMutablePropertyContainer"/>.
/// Or returns the same container.
/// </summary>
/// <param name="propertyContainer">Source property container.</param>
/// <param name="flattenHierarchy">Flatten container hierarchy.</param>
/// <returns><see cref="IPropertyContainer"/>.</returns>
public static IPropertyContainer ToReadOnly(this IPropertyContainer propertyContainer, bool flattenHierarchy = true)
{
propertyContainer.AssertArgumentNotNull(nameof(propertyContainer));
if (propertyContainer is IMutablePropertyContainer)
{
if (flattenHierarchy && propertyContainer.ParentSource != null && propertyContainer.ParentSource.Count > 0)
{
return(propertyContainer
.Flatten()
.ToReadOnly(flattenHierarchy: false));
}
return(new PropertyContainer(
sourceValues: propertyContainer.Properties,
parentPropertySource: propertyContainer.ParentSource,
searchOptions: propertyContainer.SearchOptions));
}
return(propertyContainer);
}
