/// <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>
private FieldInfo FindBackingField(
IPropertyBase property,
IDictionary <Type, Dictionary <string, FieldInfo> > fieldCache)
{
var typesInHierarchy = property.DeclaringEntityType.ClrType.GetTypesInHierarchy().ToList();
var fieldName = property["BackingField"] as string;
if (fieldName != null)
{
foreach (var type in typesInHierarchy)
{
var fields = GetFields(type, fieldCache);
FieldInfo fieldInfo;
if (fields.TryGetValue(fieldName, out fieldInfo))
{
if (!fieldInfo.FieldType.GetTypeInfo().IsAssignableFrom(property.GetClrType().GetTypeInfo()))
{
throw new InvalidOperationException(
CoreStrings.BadBackingFieldType(
fieldName,
fieldInfo.FieldType.ShortDisplayName(),
property.DeclaringEntityType.DisplayName(),
property.Name,
property.GetClrType().ShortDisplayName()));
}
return(fieldInfo);
}
}
throw new InvalidOperationException(
CoreStrings.MissingBackingField(property.DeclaringEntityType.DisplayName(), property.Name, fieldName));
}
foreach (var type in typesInHierarchy)
{
var fields = GetFields(type, fieldCache);
var fieldInfo = _fieldMatcher.TryMatchFieldName(property, property.GetPropertyInfo(), fields);
if (fieldInfo != null)
{
return(fieldInfo);
}
}
return(null);
}
/// <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 virtual PropertyAccessors Create([NotNull] IPropertyBase propertyBase)
=> (PropertyAccessors)_genericCreate
.MakeGenericMethod(propertyBase.GetClrType())
.Invoke(null, new object[] { propertyBase });
