/// <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 IClrCollectionAccessor Create(
[NotNull] INavigation navigation,
bool forConstruction = false,
bool forSet = false)
{
// ReSharper disable once SuspiciousTypeConversion.Global
if (navigation is IClrCollectionAccessor accessor)
{
return(accessor);
}
var property = navigation.GetIdentifyingMemberInfo();
var propertyType = property.GetMemberType();
var elementType = propertyType.TryGetElementType(typeof(IEnumerable <>));
if (elementType == null)
{
throw new InvalidOperationException(
CoreStrings.NavigationBadType(
navigation.Name,
navigation.DeclaringEntityType.DisplayName(),
propertyType.ShortDisplayName(),
navigation.GetTargetType().DisplayName()));
}
if (propertyType.IsArray)
{
throw new InvalidOperationException(
CoreStrings.NavigationArray(
navigation.Name,
navigation.DeclaringEntityType.DisplayName(),
propertyType.ShortDisplayName()));
}
var boundMethod = _genericCreate.MakeGenericMethod(
property.DeclaringType, propertyType, elementType);
var memberInfo = navigation.GetMemberInfo(forConstruction, forSet);
return((IClrCollectionAccessor)boundMethod.Invoke(
null, new object[]
{
navigation, memberInfo
}));
}
/// <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 MemberIdentity CreateMemberIdentity([CanBeNull] this INavigation navigation)
=> navigation?.GetIdentifyingMemberInfo() == null
? MemberIdentity.Create(navigation?.Name)
: MemberIdentity.Create(navigation.GetIdentifyingMemberInfo());
public static MemberIdentity Create([CanBeNull] INavigation navigation)
=> navigation?.GetIdentifyingMemberInfo() == null
? Create(navigation?.Name)
: Create(navigation.GetIdentifyingMemberInfo());