internal FormatPostingsDocsWriter(SegmentWriteState state, FormatPostingsTermsWriter parent):base()
		{
			this.parent = parent;
			System.String fileName = IndexFileNames.SegmentFileName(parent.parent.segment, IndexFileNames.FREQ_EXTENSION);
			state.flushedFiles.Add(fileName);
			out_Renamed = parent.parent.dir.CreateOutput(fileName);
			totalNumDocs = parent.parent.totalNumDocs;
			
			// TODO: abstraction violation
			skipInterval = parent.parent.termsOut.skipInterval;
			skipListWriter = parent.parent.skipListWriter;
			skipListWriter.SetFreqOutput(out_Renamed);
			
			posWriter = new FormatPostingsPositionsWriter(state, this);
		}
        public FormatPostingsFieldsWriter(SegmentWriteState state, FieldInfos fieldInfos) : base()
        {
            dir             = state.directory;
            segment         = state.segmentName;
            totalNumDocs    = state.numDocs;
            this.fieldInfos = fieldInfos;
            termsOut        = new TermInfosWriter(dir, segment, fieldInfos, state.termIndexInterval);

            // TODO: this is a nasty abstraction violation (that we
            // peek down to find freqOut/proxOut) -- we need a
            // better abstraction here whereby these child consumers
            // can provide skip data or not
            skipListWriter = new DefaultSkipListWriter(termsOut.skipInterval, termsOut.maxSkipLevels, totalNumDocs, null, null);

            state.flushedFiles.Add(state.SegmentFileName(IndexFileNames.TERMS_EXTENSION));
            state.flushedFiles.Add(state.SegmentFileName(IndexFileNames.TERMS_INDEX_EXTENSION));

            termsWriter = new FormatPostingsTermsWriter(state, this);
        }
		public FormatPostingsFieldsWriter(SegmentWriteState state, FieldInfos fieldInfos):base()
		{
			
			dir = state.directory;
			segment = state.segmentName;
			totalNumDocs = state.numDocs;
			this.fieldInfos = fieldInfos;
			termsOut = new TermInfosWriter(dir, segment, fieldInfos, state.termIndexInterval);
			
			// TODO: this is a nasty abstraction violation (that we
			// peek down to find freqOut/proxOut) -- we need a
			// better abstraction here whereby these child consumers
			// can provide skip data or not
			skipListWriter = new DefaultSkipListWriter(termsOut.skipInterval, termsOut.maxSkipLevels, totalNumDocs, null, null);
			
			state.flushedFiles.Add(state.SegmentFileName(IndexFileNames.TERMS_EXTENSION));
			state.flushedFiles.Add(state.SegmentFileName(IndexFileNames.TERMS_INDEX_EXTENSION));
			
			termsWriter = new FormatPostingsTermsWriter(state, this);
		}