public SlimProperty(
string name,
Type clrType,
PropertyInfo?propertyInfo,
FieldInfo?fieldInfo,
SlimEntityType declaringEntityType,
PropertyAccessMode propertyAccessMode,
bool nullable,
bool concurrencyToken,
ValueGenerated valueGenerated,
PropertySaveBehavior beforeSaveBehavior,
PropertySaveBehavior afterSaveBehavior,
int?maxLength,
bool?unicode,
int?precision,
int?scale,
Type?providerClrType,
Func <IProperty, IEntityType, ValueGenerator>?valueGeneratorFactory,
ValueConverter?valueConverter,
ValueComparer?valueComparer,
ValueComparer?keyValueComparer,
CoreTypeMapping?typeMapping)
: base(name, propertyInfo, fieldInfo, propertyAccessMode)
{
DeclaringEntityType = declaringEntityType;
ClrType = clrType;
_isNullable = nullable;
_isConcurrencyToken = concurrencyToken;
_valueGenerated = valueGenerated;
_beforeSaveBehavior = beforeSaveBehavior;
_afterSaveBehavior = afterSaveBehavior;
_valueGeneratorFactory = valueGeneratorFactory;
_valueConverter = valueConverter;
if (maxLength != null)
{
SetAnnotation(CoreAnnotationNames.MaxLength, maxLength);
}
if (unicode != null)
{
SetAnnotation(CoreAnnotationNames.Unicode, unicode);
}
if (precision != null)
{
SetAnnotation(CoreAnnotationNames.Precision, precision);
}
if (scale != null)
{
SetAnnotation(CoreAnnotationNames.Scale, scale);
}
if (providerClrType != null)
{
SetAnnotation(CoreAnnotationNames.ProviderClrType, providerClrType);
}
_typeMapping = typeMapping;
_valueComparer = valueComparer ?? TypeMapping.Comparer;
_keyValueComparer = keyValueComparer ?? TypeMapping.KeyComparer;
}
private static ValueDirection GetValudDirection(IProperty property, PropertySaveBehavior saveBehavior, ValueGenerated generatorFlag)
{
if (saveBehavior != PropertySaveBehavior.Save || (property.IsPrimaryKey() && property.ValueGenerated.HasFlag(generatorFlag)))
{
return(ValueDirection.Read);
}
else
{
var result = ValueDirection.Write;
if (property.ValueGenerated.HasFlag(generatorFlag))
{
result = result | ValueDirection.Read;
}
return(result);
}
}
/// <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 string CheckAfterSaveBehavior([NotNull] this IProperty property, PropertySaveBehavior behavior)
{
if (behavior != PropertySaveBehavior.Throw &&
property.IsKey())
{
return(CoreStrings.KeyPropertyMustBeReadOnly(property.Name, property.DeclaringEntityType.DisplayName()));
}
return(null);
}
/// <summary>
/// Finds the property named <paramref name="propertyName"/> on all entities and sets its saving behavior to <paramref name="saveBehavior"/>
/// </summary>
/// <param name="builder"></param>
/// <param name="propertyName"></param>
/// <param name="saveBehavior"></param>
/// <returns></returns>
public static ModelBuilder SetPropertySaveBehavior(this ModelBuilder builder, string propertyName, PropertySaveBehavior saveBehavior)
{
var properties = builder.Model
.GetEntityTypes()
.SelectMany(entityType => entityType.GetProperties())
.Where(p => p.Name == propertyName);
foreach (var property in properties)
{
property.SetAfterSaveBehavior(PropertySaveBehavior.Ignore);
}
return(builder);
}
