public override void Files(SegmentCommitInfo info, ICollection <string> files)
 {
     if (info.HasDeletions())
     {
         files.Add(IndexFileNames.FileNameFromGeneration(info.Info.Name, LIVEDOCS_EXTENSION, info.DelGen));
     }
 }
        public override Bits ReadLiveDocs(Directory dir, SegmentCommitInfo info, IOContext context)
        {
            Debug.Assert(info.HasDeletions());
            var scratch      = new BytesRef();
            var scratchUtf16 = new CharsRef();

            var fileName             = IndexFileNames.FileNameFromGeneration(info.Info.Name, LIVEDOCS_EXTENSION, info.DelGen);
            ChecksumIndexInput input = null;
            var success = false;

            try
            {
                input = dir.OpenChecksumInput(fileName, context);

                SimpleTextUtil.ReadLine(input, scratch);
                Debug.Assert(StringHelper.StartsWith(scratch, SIZE));
                var size = ParseIntAt(scratch, SIZE.Length, scratchUtf16);

                var bits = new BitArray(size);

                SimpleTextUtil.ReadLine(input, scratch);
                while (!scratch.Equals(END))
                {
                    Debug.Assert(StringHelper.StartsWith(scratch, DOC));
                    var docid = ParseIntAt(scratch, DOC.Length, scratchUtf16);
                    bits.Set(docid, true);
                    SimpleTextUtil.ReadLine(input, scratch);
                }

                SimpleTextUtil.CheckFooter(input);

                success = true;
                return(new SimpleTextBits(bits, size));
            }
            finally
            {
                if (success)
                {
                    IOUtils.Close(input);
                }
                else
                {
                    IOUtils.CloseWhileHandlingException(input);
                }
            }
        }
        public override Bits ReadLiveDocs(Directory dir, SegmentCommitInfo info, IOContext context)
        {
            Debug.Assert(info.HasDeletions());
            var scratch = new BytesRef();
            var scratchUtf16 = new CharsRef();

            var fileName = IndexFileNames.FileNameFromGeneration(info.Info.Name, LIVEDOCS_EXTENSION, info.DelGen);
            ChecksumIndexInput input = null;
            var success = false;

            try
            {
                input = dir.OpenChecksumInput(fileName, context);

                SimpleTextUtil.ReadLine(input, scratch);
                Debug.Assert(StringHelper.StartsWith(scratch, SIZE));
                var size = ParseIntAt(scratch, SIZE.Length, scratchUtf16);

                var bits = new BitArray(size);

                SimpleTextUtil.ReadLine(input, scratch);
                while (!scratch.Equals(END))
                {
                    Debug.Assert(StringHelper.StartsWith(scratch, DOC));
                    var docid = ParseIntAt(scratch, DOC.Length, scratchUtf16);
                    bits.SafeSet(docid, true);
                    SimpleTextUtil.ReadLine(input, scratch);
                }

                SimpleTextUtil.CheckFooter(input);

                success = true;
                return new SimpleTextBits(bits, size);
            }
            finally
            {
                if (success)
                {
                    IOUtils.Close(input);
                }
                else
                {
                    IOUtils.CloseWhileHandlingException(input);
                }
            }
        }
        public override void WriteLiveDocs(MutableBits bits, Directory dir, SegmentCommitInfo info, int newDelCount,
                                           IOContext context)
        {
            var set     = ((SimpleTextBits)bits).BITS;
            var size    = bits.Length();
            var scratch = new BytesRef();

            var         fileName = IndexFileNames.FileNameFromGeneration(info.Info.Name, LIVEDOCS_EXTENSION, info.NextDelGen);
            IndexOutput output   = null;
            var         success  = false;

            try
            {
                output = dir.CreateOutput(fileName, context);
                SimpleTextUtil.Write(output, SIZE);
                SimpleTextUtil.Write(output, Convert.ToString(size), scratch);
                SimpleTextUtil.WriteNewline(output);

                for (int i = set.NextSetBit(0); i >= 0; i = set.NextSetBit(i + 1))
                {
                    SimpleTextUtil.Write(output, DOC);
                    SimpleTextUtil.Write(output, Convert.ToString(i), scratch);
                    SimpleTextUtil.WriteNewline(output);
                }

                SimpleTextUtil.Write(output, END);
                SimpleTextUtil.WriteNewline(output);
                SimpleTextUtil.WriteChecksum(output, scratch);
                success = true;
            }
            finally
            {
                if (success)
                {
                    IOUtils.Close(output);
                }
                else
                {
                    IOUtils.CloseWhileHandlingException(output);
                }
            }
        }
 public override void Files(SegmentCommitInfo info, ICollection<string> files)
 {
     if (info.HasDeletions())
     {
         files.Add(IndexFileNames.FileNameFromGeneration(info.Info.Name, LIVEDOCS_EXTENSION, info.DelGen));
     }
 }
        public override void WriteLiveDocs(MutableBits bits, Directory dir, SegmentCommitInfo info, int newDelCount,
            IOContext context)
        {
            var set = ((SimpleTextBits) bits).BITS;
            var size = bits.Length();
            var scratch = new BytesRef();

            var fileName = IndexFileNames.FileNameFromGeneration(info.Info.Name, LIVEDOCS_EXTENSION, info.NextDelGen);
            IndexOutput output = null;
            var success = false;
            try
            {
                output = dir.CreateOutput(fileName, context);
                SimpleTextUtil.Write(output, SIZE);
                SimpleTextUtil.Write(output, Convert.ToString(size), scratch);
                SimpleTextUtil.WriteNewline(output);

                for (int i = set.NextSetBit(0); i >= 0; i = set.NextSetBit(i + 1))
                {
                    SimpleTextUtil.Write(output, DOC);
                    SimpleTextUtil.Write(output, Convert.ToString(i), scratch);
                    SimpleTextUtil.WriteNewline(output);
                }

                SimpleTextUtil.Write(output, END);
                SimpleTextUtil.WriteNewline(output);
                SimpleTextUtil.WriteChecksum(output, scratch);
                success = true;
            }
            finally
            {
                if (success)
                {
                    IOUtils.Close(output);
                }
                else
                {
                    IOUtils.CloseWhileHandlingException(output);
                }
            }
        }