protected virtual bool SetDiscriminatorValue(object value)
{
if (DiscriminatorProperty == null)
{
throw new InvalidOperationException(
Strings.NoDiscriminatorForValue(EntityType.DisplayName(), EntityType.RootType().DisplayName()));
}
if (value != null && !DiscriminatorProperty.ClrType.GetTypeInfo().IsAssignableFrom(value.GetType().GetTypeInfo()))
{
throw new InvalidOperationException(Strings.DiscriminitatorValueIncompatible(
value, DiscriminatorProperty.Name, DiscriminatorProperty.ClrType));
}
return(Annotations.SetAnnotation(RelationalAnnotationNames.DiscriminatorValue, value));
}
protected virtual bool SetDiscriminatorProperty([CanBeNull] IProperty value)
{
if (value != null)
{
if (EntityType != EntityType.RootType())
{
throw new InvalidOperationException(
RelationalStrings.DiscriminatorPropertyMustBeOnRoot(EntityType));
}
if (value.DeclaringEntityType != EntityType)
{
throw new InvalidOperationException(
RelationalStrings.DiscriminatorPropertyNotFound(value.Name, EntityType));
}
}
return(Annotations.SetAnnotation(RelationalAnnotationNames.DiscriminatorProperty, value?.Name));
}