private static TimelineEntity MaskFields(TimelineEntity entity, EnumSet <TimelineReader.Field > fields) { // Conceal the fields that are not going to be exposed TimelineEntity entityToReturn = new TimelineEntity(); entityToReturn.SetEntityId(entity.GetEntityId()); entityToReturn.SetEntityType(entity.GetEntityType()); entityToReturn.SetStartTime(entity.GetStartTime()); entityToReturn.SetDomainId(entity.GetDomainId()); // Deep copy if (fields.Contains(TimelineReader.Field.Events)) { entityToReturn.AddEvents(entity.GetEvents()); } else { if (fields.Contains(TimelineReader.Field.LastEventOnly)) { entityToReturn.AddEvent(entity.GetEvents()[0]); } else { entityToReturn.SetEvents(null); } } if (fields.Contains(TimelineReader.Field.RelatedEntities)) { entityToReturn.AddRelatedEntities(entity.GetRelatedEntities()); } else { entityToReturn.SetRelatedEntities(null); } if (fields.Contains(TimelineReader.Field.PrimaryFilters)) { entityToReturn.AddPrimaryFilters(entity.GetPrimaryFilters()); } else { entityToReturn.SetPrimaryFilters(null); } if (fields.Contains(TimelineReader.Field.OtherInfo)) { entityToReturn.AddOtherInfo(entity.GetOtherInfo()); } else { entityToReturn.SetOtherInfo(null); } return(entityToReturn); }