private string[] ValidateFields(string indexName, IEnumerable <string> indexFields)
{
var withoutDuplicates = indexFields.Distinct().ToArray();
var members = _reflectionService.GetFieldsAndProperties(_classInfo.UnderlyingType);
foreach (var indexField in withoutDuplicates)
{
var memberInfo = members.FirstOrDefault(x => x.Name.Equals(indexField));
var memberType = memberInfo is PropertyInfo
? ((PropertyInfo)memberInfo).PropertyType
: ((FieldInfo)memberInfo).FieldType;
if (memberInfo != null && (typeof(IComparable)).IsAssignableFrom(memberType))
{
continue;
}
var fieldType = (memberInfo == null || memberInfo.DeclaringType == null)
? "Field doesn't exist"
: memberType.FullName;
throw new OdbRuntimeException(NDatabaseError.IndexKeysMustImplementComparable.AddParameter(indexName)
.AddParameter(indexField)
.AddParameter(fieldType));
}
return(withoutDuplicates);
}