private ContentBase(string?name, IContentTypeComposition?contentType, IPropertyCollection properties, string?culture = null)
{
ContentType = contentType?.ToSimple() ?? throw new ArgumentNullException(nameof(contentType));
// initially, all new instances have
Id = 0; // no identity
VersionId = 0; // no versions
SetCultureName(name, culture);
_contentTypeId = contentType.Id;
_properties = properties ?? throw new ArgumentNullException(nameof(properties));
_properties.EnsurePropertyTypes(contentType.CompositionPropertyTypes);
// track all property types on this content type, these can never change during the lifetime of this single instance
// there is no real extra memory overhead of doing this since these property types are already cached on this object via the
// properties already.
AllPropertyTypes = new List <IPropertyType>(contentType.CompositionPropertyTypes);
}
