public IDictionary <string, Type> GetFullTextSearchFields <TMetaData>()
where TMetaData : IMetaDataExpression
{
if (_fullTextSearchFields.ContainsKey(typeof(TMetaData)))
{
return(_fullTextSearchFields[typeof(TMetaData)]);
}
var fields = FieldAttribute.GetFields <TMetaData>(true);
_fullTextSearchFields.AddOrUpdate(typeof(TMetaData), fields, (type, types) => types);
return(fields);
}