/// <summary>
/// Sets the <see cref="IProperty" /> that will be used for storing a discriminator value.
/// </summary>
/// <param name="entityType"> The entity type to set the discriminator property for. </param>
/// <param name="property"> The property to set. </param>
public static void SetDiscriminatorProperty([NotNull] this IMutableEntityType entityType, [CanBeNull] IProperty property)
{
CheckDiscriminatorProperty(entityType, property);
var oldDiscriminatorType = entityType.GetDiscriminatorProperty()?.ClrType;
if (property == null ||
property.ClrType != oldDiscriminatorType)
{
foreach (var derivedType in entityType.GetDerivedTypesInclusive())
{
derivedType.RemoveDiscriminatorValue();
}
}
entityType.SetOrRemoveAnnotation(RelationalAnnotationNames.DiscriminatorProperty, property?.Name);
}
/// <summary> /// Returns all types in hierarchy of the given <see cref="IMutableEntityType" />. /// </summary> /// <param name="entityType"> The entity type. </param> /// <returns> All types in the hierarchy. </returns> public static IEnumerable <IMutableEntityType> GetTypesInHierarchy([NotNull] this IMutableEntityType entityType) => entityType.GetAllBaseTypes().Concat(entityType.GetDerivedTypesInclusive()).Cast <IMutableEntityType>();
