public override void Flush(ICollection <DocConsumerPerThread> threads, SegmentWriteState state) { var childThreadsAndFields = new HashMap <DocFieldConsumerPerThread, ICollection <DocFieldConsumerPerField> >(); foreach (DocConsumerPerThread thread in threads) { DocFieldProcessorPerThread perThread = (DocFieldProcessorPerThread)thread; childThreadsAndFields[perThread.consumer] = perThread.Fields(); perThread.TrimFields(state); } fieldsWriter.Flush(state); consumer.Flush(childThreadsAndFields, state); // Important to save after asking consumer to flush so // consumer can alter the FieldInfo* if necessary. EG, // FreqProxTermsWriter does this with // FieldInfo.storePayload. System.String fileName = state.SegmentFileName(IndexFileNames.FIELD_INFOS_EXTENSION); fieldInfos.Write(state.directory, fileName); state.flushedFiles.Add(fileName); }