/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public static IEnumerable <INavigation> FindNavigationsToInHierarchy(
[NotNull] this IForeignKey foreignKey, [NotNull] IEntityType entityType)
{
if (!foreignKey.DeclaringEntityType.IsAssignableFrom(entityType) &&
!foreignKey.PrincipalEntityType.IsAssignableFrom(entityType))
{
throw new InvalidOperationException(CoreStrings.EntityTypeNotInRelationship(
entityType.DisplayName(), foreignKey.DeclaringEntityType.DisplayName(), foreignKey.PrincipalEntityType.DisplayName()));
}
return(foreignKey.IsIntraHierarchical()
? foreignKey.GetNavigations()
: foreignKey.FindNavigations(foreignKey.PrincipalEntityType.IsAssignableFrom(entityType)));
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public static IEnumerable <INavigation> FindNavigationsTo([NotNull] this IForeignKey foreignKey, [NotNull] IEntityType entityType)
{
if (foreignKey.DeclaringEntityType != entityType &&
foreignKey.PrincipalEntityType != entityType)
{
throw new InvalidOperationException(CoreStrings.EntityTypeNotInRelationshipStrict(
entityType.DisplayName(),
foreignKey.DeclaringEntityType.DisplayName(),
foreignKey.PrincipalEntityType.DisplayName()));
}
return(foreignKey.IsSelfReferencing()
? foreignKey.GetNavigations()
: foreignKey.FindNavigations(foreignKey.PrincipalEntityType == entityType));
}
public static IEnumerable <INavigation> FindNavigationsTo([NotNull] this IForeignKey foreignKey, [NotNull] IEntityType entityType)
{
Check.NotNull(foreignKey, nameof(foreignKey));
Check.NotNull(entityType, nameof(entityType));
if ((foreignKey.DeclaringEntityType != entityType) &&
(foreignKey.PrincipalEntityType != entityType))
{
throw new ArgumentException(CoreStrings.EntityTypeNotInRelationshipStrict(
entityType.DisplayName(),
foreignKey.DeclaringEntityType.DisplayName(),
foreignKey.PrincipalEntityType.DisplayName()));
}
return(foreignKey.IsSelfReferencing()
? foreignKey.GetNavigations()
: foreignKey.FindNavigations(foreignKey.PrincipalEntityType == entityType));
}
