/// <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>
// Note: only use this to find the property/field that defines the property in the model. Use
// GetMemberInfo to get the property/field to use, which may be different.
public static MemberInfo?GetIdentifyingMemberInfo(
this IReadOnlyPropertyBase propertyBase)
{
var indexerPropertyInfo = propertyBase.DeclaringType.FindIndexerPropertyInfo();
return(indexerPropertyInfo != null && propertyBase.PropertyInfo == indexerPropertyInfo
? null
: (propertyBase.PropertyInfo ?? (MemberInfo?)propertyBase.FieldInfo));
}
static void CheckValueGenerationStrategy(IReadOnlyPropertyBase property, FbValueGenerationStrategy?value)
{
if (value != null)
{
if (value == FbValueGenerationStrategy.IdentityColumn && !IsCompatibleIdentityColumn(property))
{
throw new ArgumentException($"Incompatible data type for {nameof(FbValueGenerationStrategy.IdentityColumn)} for '{property.Name}'.");
}
if (value == FbValueGenerationStrategy.SequenceTrigger && !IsCompatibleSequenceTrigger(property))
{
throw new ArgumentException($"Incompatible data type for {nameof(FbValueGenerationStrategy.SequenceTrigger)} for '{property.Name}'.");
}
}
}
public static MemberInfo?GetIdentifyingMemberInfo(
[NotNull] this IReadOnlyPropertyBase propertyBase)
=> propertyBase.PropertyInfo ?? (MemberInfo?)propertyBase.FieldInfo;
public static PropertyBase AsPropertyBase(
[NotNull] this IReadOnlyPropertyBase propertyBase,
[NotNull][CallerMemberName] string methodName = "")
=> MetadataExtensions.AsConcreteMetadataType <IReadOnlyPropertyBase, PropertyBase>(propertyBase, methodName);
static bool IsCompatibleSequenceTrigger(IReadOnlyPropertyBase property) => true;
static bool IsCompatibleIdentityColumn(IReadOnlyPropertyBase property) => property.ClrType.IsInteger() || property.ClrType == typeof(decimal);
public static bool IsIndexerProperty([NotNull] this IReadOnlyPropertyBase property) => Check.NotNull(property, nameof(property)).GetIdentifyingMemberInfo() is PropertyInfo propertyInfo &&
public static bool IsShadowProperty([NotNull] this IReadOnlyPropertyBase property) => Check.NotNull(property, nameof(property)).GetIdentifyingMemberInfo() == null;
public static string?GetFieldName([NotNull] this IReadOnlyPropertyBase propertyBase) => propertyBase.FieldInfo?.GetSimpleMemberName();
public static IComparer <IUpdateEntry> GetCurrentValueComparer([NotNull] this IReadOnlyPropertyBase propertyBase) => propertyBase.AsPropertyBase().CurrentValueComparer;
