public override NumericDocValues GetNumeric(FieldInfo field)
{
NormsDocValues dv = Norms[field.Name];
Debug.Assert(dv != null);
return(dv.Instance);
}
// note: just like segmentreader in 3.x, we open up all the files here (including separate norms) up front.
// but we just don't do any seeks or reading yet.
public Lucene3xNormsProducer(Directory dir, SegmentInfo info, FieldInfos fields, IOContext context)
{
Directory separateNormsDir = info.Dir; // separate norms are never inside CFS
maxdoc = info.DocCount;
string segmentName = info.Name;
bool success = false;
try
{
long nextNormSeek = NORMS_HEADER.Length; //skip header (header unused for now)
foreach (FieldInfo fi in fields)
{
if (fi.HasNorms)
{
string fileName = GetNormFilename(info, fi.Number);
Directory d = HasSeparateNorms(info, fi.Number) ? separateNormsDir : dir;
// singleNormFile means multiple norms share this file
bool singleNormFile = IndexFileNames.MatchesExtension(fileName, NORMS_EXTENSION);
IndexInput normInput = null;
long normSeek;
if (singleNormFile)
{
normSeek = nextNormSeek;
if (singleNormStream == null)
{
singleNormStream = d.OpenInput(fileName, context);
openFiles.Add(singleNormStream);
}
// All norms in the .nrm file can share a single IndexInput since
// they are only used in a synchronized context.
// If this were to change in the future, a clone could be done here.
normInput = singleNormStream;
}
else
{
normInput = d.OpenInput(fileName, context);
openFiles.Add(normInput);
// if the segment was created in 3.2 or after, we wrote the header for sure,
// and don't need to do the sketchy file size check. otherwise, we check
// if the size is exactly equal to maxDoc to detect a headerless file.
// NOTE: remove this check in Lucene 5.0!
string version = info.Version;
bool isUnversioned = (version == null || StringHelper.VersionComparer.Compare(version, "3.2") < 0) && normInput.Length == maxdoc;
if (isUnversioned)
{
normSeek = 0;
}
else
{
normSeek = NORMS_HEADER.Length;
}
}
NormsDocValues norm = new NormsDocValues(this, normInput, normSeek);
norms[fi.Name] = norm;
nextNormSeek += maxdoc; // increment also if some norms are separate
}
}
// TODO: change to a real check? see LUCENE-3619
if (Debugging.AssertsEnabled)
{
Debugging.Assert(singleNormStream == null || nextNormSeek == singleNormStream.Length, singleNormStream != null ? "len: {0} expected: {1}" : "null", singleNormStream?.Length ?? 0, nextNormSeek);
}
success = true;
}
finally
{
if (!success)
{
IOUtils.DisposeWhileHandlingException(openFiles);
}
}
ramBytesUsed = new AtomicInt64();
}
public NumericDocValuesAnonymousInnerClassHelper(NormsDocValues outerInstance, byte[] bytes)
{
this.bytes = bytes;
}
// note: just like segmentreader in 3.x, we open up all the files here (including separate norms) up front.
// but we just don't do any seeks or reading yet.
public Lucene3xNormsProducer(Directory dir, SegmentInfo info, FieldInfos fields, IOContext context)
{
Directory separateNormsDir = info.Dir; // separate norms are never inside CFS
Maxdoc = info.DocCount;
string segmentName = info.Name;
bool success = false;
try
{
long nextNormSeek = NORMS_HEADER.Length; //skip header (header unused for now)
foreach (FieldInfo fi in fields)
{
if (fi.HasNorms())
{
string fileName = GetNormFilename(info, fi.Number);
Directory d = HasSeparateNorms(info, fi.Number) ? separateNormsDir : dir;
// singleNormFile means multiple norms share this file
bool singleNormFile = IndexFileNames.MatchesExtension(fileName, NORMS_EXTENSION);
IndexInput normInput = null;
long normSeek;
if (singleNormFile)
{
normSeek = nextNormSeek;
if (SingleNormStream == null)
{
SingleNormStream = d.OpenInput(fileName, context);
OpenFiles.Add(SingleNormStream);
}
// All norms in the .nrm file can share a single IndexInput since
// they are only used in a synchronized context.
// If this were to change in the future, a clone could be done here.
normInput = SingleNormStream;
}
else
{
normInput = d.OpenInput(fileName, context);
OpenFiles.Add(normInput);
// if the segment was created in 3.2 or after, we wrote the header for sure,
// and don't need to do the sketchy file size check. otherwise, we check
// if the size is exactly equal to maxDoc to detect a headerless file.
// NOTE: remove this check in Lucene 5.0!
string version = info.Version;
bool isUnversioned = (version == null || StringHelper.VersionComparator.Compare(version, "3.2") < 0) && normInput.Length() == Maxdoc;
if (isUnversioned)
{
normSeek = 0;
}
else
{
normSeek = NORMS_HEADER.Length;
}
}
NormsDocValues norm = new NormsDocValues(this, normInput, normSeek);
Norms[fi.Name] = norm;
nextNormSeek += Maxdoc; // increment also if some norms are separate
}
}
// TODO: change to a real check? see LUCENE-3619
Debug.Assert(SingleNormStream == null || nextNormSeek == SingleNormStream.Length(), SingleNormStream != null ? "len: " + SingleNormStream.Length() + " expected: " + nextNormSeek : "null");
success = true;
}
finally
{
if (!success)
{
IOUtils.CloseWhileHandlingException(OpenFiles);
}
}
ramBytesUsed = new AtomicLong();
}
public NumericDocValuesAnonymousInnerClassHelper(NormsDocValues outerInstance, byte[] bytes)
{
this.Bytes = bytes;
}
