public static ConventionAnnotation?SetOrRemoveAnnotation(
[NotNull] this ConventionAnnotatable annotatable,
[NotNull] string name,
[CanBeNull] object?value,
ConfigurationSource configurationSource)
{
if (value == null)
{
annotatable.RemoveAnnotation(name);
return(null);
}
return(annotatable.SetAnnotation(name, value, configurationSource));
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public static void SetOrRemoveAnnotation(
[NotNull] this ConventionAnnotatable annotatable,
[NotNull] string name,
[CanBeNull] object value,
ConfigurationSource configurationSource)
{
if (value == null)
{
annotatable.RemoveAnnotation(name);
}
else
{
annotatable.SetAnnotation(name, value, configurationSource);
}
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public virtual void MergeAnnotationsFrom(
[NotNull] ConventionAnnotatable annotatable,
ConfigurationSource minimalConfigurationSource)
{
foreach (var annotation in annotatable.GetAnnotations())
{
var configurationSource = annotation.GetConfigurationSource();
if (configurationSource.Overrides(minimalConfigurationSource))
{
HasAnnotation(
annotation.Name,
annotation.Value,
configurationSource,
canOverrideSameSource: false);
}
}
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
protected InternalAnnotatableBuilder([NotNull] ConventionAnnotatable metadata)
{
Metadata = metadata;
}
/// <summary> /// This is an internal API that supports the Entity Framework Core infrastructure and not subject to /// the same compatibility standards as public APIs. It may be changed or removed without notice in /// any release. You should only use it directly in your code with extreme caution and knowing that /// doing so can result in application failures when updating to a new Entity Framework Core release. /// </summary> public virtual void MergeAnnotationsFrom([NotNull] ConventionAnnotatable annotatable) => MergeAnnotationsFrom(annotatable, ConfigurationSource.Explicit);