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);
}
}
}
private static int ParseIntAt(BytesRef bytes, int offset, CharsRef scratch)
{
UnicodeUtil.UTF8toUTF16(bytes.Bytes, bytes.Offset + offset, bytes.Length - offset, scratch);
return(ArrayUtil.ParseInt(scratch.Chars, 0, scratch.Length));
}
private static int ParseIntAt(BytesRef bytes, int offset, CharsRef scratch)
{
UnicodeUtil.UTF8toUTF16(bytes.Bytes, bytes.Offset + offset, bytes.Length - offset, scratch);
return ArrayUtil.ParseInt(scratch.Chars, 0, scratch.Length);
}
