public static void ReadLegacyInfos(SegmentInfos infos, Directory directory, IndexInput input, int format)
{
infos.Version = input.ReadInt64(); // read version
infos.Counter = input.ReadInt32(); // read counter
Lucene3xSegmentInfoReader reader = new Lucene3xSegmentInfoReader();
for (int i = input.ReadInt32(); i > 0; i--) // read segmentInfos
{
SegmentCommitInfo siPerCommit = reader.ReadLegacySegmentInfo(directory, format, input);
SegmentInfo si = siPerCommit.Info;
if (si.Version == null)
{
// Could be a 3.0 - try to open the doc stores - if it fails, it's a
// 2.x segment, and an IndexFormatTooOldException will be thrown,
// which is what we want.
Directory dir = directory;
if (Lucene3xSegmentInfoFormat.GetDocStoreOffset(si) != -1)
{
if (Lucene3xSegmentInfoFormat.GetDocStoreIsCompoundFile(si))
{
dir = new CompoundFileDirectory(dir, IndexFileNames.SegmentFileName(Lucene3xSegmentInfoFormat.GetDocStoreSegment(si), "", Lucene3xCodec.COMPOUND_FILE_STORE_EXTENSION), IOContext.READ_ONCE, false);
}
}
else if (si.UseCompoundFile)
{
dir = new CompoundFileDirectory(dir, IndexFileNames.SegmentFileName(si.Name, "", IndexFileNames.COMPOUND_FILE_EXTENSION), IOContext.READ_ONCE, false);
}
try
{
Lucene3xStoredFieldsReader.CheckCodeVersion(dir, Lucene3xSegmentInfoFormat.GetDocStoreSegment(si));
}
finally
{
// If we opened the directory, close it
if (dir != directory)
{
dir.Dispose();
}
}
// Above call succeeded, so it's a 3.0 segment. Upgrade it so the next
// time the segment is read, its version won't be null and we won't
// need to open FieldsReader every time for each such segment.
si.Version = "3.0";
}
else if (si.Version.Equals("2.x", StringComparison.Ordinal))
{
// If it's a 3x index touched by 3.1+ code, then segments record their
// version, whether they are 2.x ones or not. We detect that and throw
// appropriate exception.
throw new IndexFormatTooOldException("segment " + si.Name + " in resource " + input, si.Version);
}
infos.Add(siPerCommit);
}
infos.UserData = input.ReadStringStringMap();
}
public override void Init(IndexInput termsIn)
{
// Make sure we are talking to the matching past writer
CodecUtil.CheckHeader(termsIn, SepPostingsWriter.CODEC,
SepPostingsWriter.VERSION_START, SepPostingsWriter.VERSION_START);
skipInterval = termsIn.ReadInt32();
maxSkipLevels = termsIn.ReadInt32();
skipMinimum = termsIn.ReadInt32();
}
/// <summary>
/// Read as a d-gaps list. </summary>
private void ReadSetDgaps(IndexInput input)
{
size = input.ReadInt32(); // (re)read size
count = input.ReadInt32(); // read count
bits = new byte[GetNumBytes(size)]; // allocate bits
int last = 0;
int n = Count();
while (n > 0)
{
last += input.ReadVInt32();
bits[last] = input.ReadByte();
n -= BitUtil.BitCount(bits[last]);
Debug.Assert(n >= 0);
}
}
public override Int32IndexInput OpenInput(Directory dir, string fileName, IOContext context)
{
IndexInput input = dir.OpenInput(fileName, context);
int baseBlockSize = input.ReadInt32();
return(new VariableInt32BlockIndexInputAnonymousClass(input, baseBlockSize));
}
private static void ValidateFooter(IndexInput @in)
{
int magic = @in.ReadInt32();
if (magic != FOOTER_MAGIC)
{
throw new IOException("codec footer mismatch: actual footer=" + magic + " vs expected footer=" + FOOTER_MAGIC + " (resource: " + @in + ")");
}
int algorithmID = @in.ReadInt32();
if (algorithmID != 0)
{
throw new IOException("codec footer mismatch: unknown algorithmID: " + algorithmID);
}
}
private BinaryDocValues LoadBytesFixedStraight(FieldInfo field)
{
string fileName = IndexFileNames.SegmentFileName(state.SegmentInfo.Name + "_" + Convert.ToString(field.Number, CultureInfo.InvariantCulture), segmentSuffix, "dat");
IndexInput input = dir.OpenInput(fileName, state.Context);
bool success = false;
try
{
CodecUtil.CheckHeader(input, Lucene40DocValuesFormat.BYTES_FIXED_STRAIGHT_CODEC_NAME, Lucene40DocValuesFormat.BYTES_FIXED_STRAIGHT_VERSION_START, Lucene40DocValuesFormat.BYTES_FIXED_STRAIGHT_VERSION_CURRENT);
int fixedLength = input.ReadInt32();
var bytes = new PagedBytes(16);
bytes.Copy(input, fixedLength * (long)state.SegmentInfo.DocCount);
PagedBytes.Reader bytesReader = bytes.Freeze(true);
CodecUtil.CheckEOF(input);
success = true;
ramBytesUsed.AddAndGet(bytes.RamBytesUsed());
return(new BinaryDocValuesAnonymousClass(fixedLength, bytesReader));
}
finally
{
if (success)
{
IOUtils.Dispose(input);
}
else
{
IOUtils.DisposeWhileHandlingException(input);
}
}
}
public SegmentTermEnum(IndexInput i, FieldInfos fis, bool isi)
{
input = i;
fieldInfos = fis;
isIndex = isi;
maxSkipLevels = 1; // use single-level skip lists for formats > -3
int firstInt = input.ReadInt32();
if (firstInt >= 0)
{
// original-format file, without explicit format version number
format = 0;
size = firstInt;
// back-compatible settings
indexInterval = 128;
skipInterval = int.MaxValue; // switch off skipTo optimization
}
else
{
// we have a format version number
format = firstInt;
// check that it is a format we can understand
if (format > FORMAT_MINIMUM)
{
throw new IndexFormatTooOldException(input, format, FORMAT_MINIMUM, FORMAT_CURRENT);
}
if (format < FORMAT_CURRENT)
{
throw new IndexFormatTooNewException(input, format, FORMAT_MINIMUM, FORMAT_CURRENT);
}
size = input.ReadInt64(); // read the size
indexInterval = input.ReadInt32();
skipInterval = input.ReadInt32();
maxSkipLevels = input.ReadInt32();
if (Debugging.AssertsEnabled)
{
Debugging.Assert(indexInterval > 0, "indexInterval={0} is negative; must be > 0", indexInterval);
Debugging.Assert(skipInterval > 0, "skipInterval={0} is negative; must be > 0", skipInterval);
}
}
}
private void ReadField(StoredFieldVisitor visitor, FieldInfo info, int bits)
{
int numeric = bits & Lucene40StoredFieldsWriter.FIELD_IS_NUMERIC_MASK;
if (numeric != 0)
{
switch (numeric)
{
case Lucene40StoredFieldsWriter.FIELD_IS_NUMERIC_INT:
visitor.Int32Field(info, fieldsStream.ReadInt32());
return;
case Lucene40StoredFieldsWriter.FIELD_IS_NUMERIC_LONG:
visitor.Int64Field(info, fieldsStream.ReadInt64());
return;
case Lucene40StoredFieldsWriter.FIELD_IS_NUMERIC_FLOAT:
visitor.SingleField(info, J2N.BitConversion.Int32BitsToSingle(fieldsStream.ReadInt32()));
return;
case Lucene40StoredFieldsWriter.FIELD_IS_NUMERIC_DOUBLE:
visitor.DoubleField(info, J2N.BitConversion.Int64BitsToDouble(fieldsStream.ReadInt64()));
return;
default:
throw new CorruptIndexException("Invalid numeric type: " + numeric.ToString("x"));
}
}
else
{
int length = fieldsStream.ReadVInt32();
var bytes = new byte[length];
fieldsStream.ReadBytes(bytes, 0, length);
if ((bits & Lucene40StoredFieldsWriter.FIELD_IS_BINARY) != 0)
{
visitor.BinaryField(info, bytes);
}
else
{
#pragma warning disable 612, 618
visitor.StringField(info, IOUtils.CHARSET_UTF_8.GetString(bytes));
#pragma warning restore 612, 618
}
}
}
private BinaryEntry ReadBinaryEntry(IndexInput meta)
{
var entry = new BinaryEntry();
entry.offset = meta.ReadInt64();
entry.numBytes = meta.ReadInt32();
entry.count = meta.ReadInt32();
entry.missingOffset = meta.ReadInt64();
if (entry.missingOffset != -1)
{
entry.missingBytes = meta.ReadInt64();
}
else
{
entry.missingBytes = 0;
}
return(entry);
}
/// <summary>
/// NOTE: This was loadFloatField() in Lucene.
/// </summary>
private NumericDocValues LoadSingleField(/*FieldInfo field, // LUCENENET: Never read */ IndexInput input)
{
CodecUtil.CheckHeader(input, Lucene40DocValuesFormat.FLOATS_CODEC_NAME, Lucene40DocValuesFormat.FLOATS_VERSION_START, Lucene40DocValuesFormat.FLOATS_VERSION_CURRENT);
int valueSize = input.ReadInt32();
if (valueSize != 4)
{
throw new CorruptIndexException("invalid valueSize: " + valueSize);
}
int maxDoc = state.SegmentInfo.DocCount;
int[] values = new int[maxDoc];
for (int i = 0; i < values.Length; i++)
{
values[i] = input.ReadInt32();
}
ramBytesUsed.AddAndGet(RamUsageEstimator.SizeOf(values));
return(new NumericDocValuesAnonymousClass7(values));
}
private static BinaryEntry ReadBinaryEntry(IndexInput meta) // LUCENENET: CA1822: Mark members as static
{
var entry = new BinaryEntry();
entry.offset = meta.ReadInt64();
entry.numBytes = meta.ReadInt32();
entry.count = meta.ReadInt32();
entry.missingOffset = meta.ReadInt64();
if (entry.missingOffset != -1)
{
entry.missingBytes = meta.ReadInt64();
}
else
{
entry.missingBytes = 0;
}
return(entry);
}
/// <summary>
/// Read as a d-gaps cleared bits list. </summary>
private void ReadClearedDgaps(IndexInput input)
{
size = input.ReadInt32(); // (re)read size
count = input.ReadInt32(); // read count
bits = new byte[GetNumBytes(size)]; // allocate bits
for (int i = 0; i < bits.Length; ++i)
{
bits[i] = 0xff;
}
ClearUnusedBits();
int last = 0;
int numCleared = Length - Count();
while (numCleared > 0)
{
last += input.ReadVInt32();
bits[last] = input.ReadByte();
numCleared -= 8 - BitUtil.BitCount(bits[last]);
Debug.Assert(numCleared >= 0 || (last == (bits.Length - 1) && numCleared == -(8 - (size & 7))));
}
}
private int CheckValidFormat(IndexInput @in)
{
int format = @in.ReadInt32();
if (format < FORMAT_MINIMUM)
{
throw new IndexFormatTooOldException(@in, format, FORMAT_MINIMUM, FORMAT_CURRENT);
}
if (format > FORMAT_CURRENT)
{
throw new IndexFormatTooNewException(@in, format, FORMAT_MINIMUM, FORMAT_CURRENT);
}
return(format);
}
public virtual void TestReadNestedCFP()
{
Directory newDir = NewDirectory();
CompoundFileDirectory csw = new CompoundFileDirectory(newDir, "d.cfs", NewIOContext(Random), true);
CompoundFileDirectory nested = new CompoundFileDirectory(newDir, "b.cfs", NewIOContext(Random), true);
IndexOutput @out = nested.CreateOutput("b.xyz", NewIOContext(Random));
IndexOutput out1 = nested.CreateOutput("b_1.xyz", NewIOContext(Random));
@out.WriteInt32(0);
out1.WriteInt32(1);
@out.Dispose();
out1.Dispose();
nested.Dispose();
newDir.Copy(csw, "b.cfs", "b.cfs", NewIOContext(Random));
newDir.Copy(csw, "b.cfe", "b.cfe", NewIOContext(Random));
newDir.DeleteFile("b.cfs");
newDir.DeleteFile("b.cfe");
csw.Dispose();
Assert.AreEqual(2, newDir.ListAll().Length);
csw = new CompoundFileDirectory(newDir, "d.cfs", NewIOContext(Random), false);
Assert.AreEqual(2, csw.ListAll().Length);
nested = new CompoundFileDirectory(csw, "b.cfs", NewIOContext(Random), false);
Assert.AreEqual(2, nested.ListAll().Length);
IndexInput openInput = nested.OpenInput("b.xyz", NewIOContext(Random));
Assert.AreEqual(0, openInput.ReadInt32());
openInput.Dispose();
openInput = nested.OpenInput("b_1.xyz", NewIOContext(Random));
Assert.AreEqual(1, openInput.ReadInt32());
openInput.Dispose();
nested.Dispose();
csw.Dispose();
newDir.Dispose();
}
private NumericDocValues LoadByteField(/*FieldInfo field, // LUCENENET: Never read */ IndexInput input)
{
CodecUtil.CheckHeader(input, Lucene40DocValuesFormat.INTS_CODEC_NAME, Lucene40DocValuesFormat.INTS_VERSION_START, Lucene40DocValuesFormat.INTS_VERSION_CURRENT);
int valueSize = input.ReadInt32();
if (valueSize != 1)
{
throw new CorruptIndexException("invalid valueSize: " + valueSize);
}
int maxDoc = state.SegmentInfo.DocCount;
var values = new byte[maxDoc];
input.ReadBytes(values, 0, values.Length);
ramBytesUsed.AddAndGet(RamUsageEstimator.SizeOf(values));
return(new NumericDocValuesAnonymousClass3(values));
}
public virtual void TestAppend()
{
Directory newDir = NewDirectory();
CompoundFileDirectory csw = new CompoundFileDirectory(newDir, "d.cfs", NewIOContext(Random), true);
int size = 5 + Random.Next(128);
for (int j = 0; j < 2; j++)
{
IndexOutput os = csw.CreateOutput("seg_" + j + "_foo.txt", NewIOContext(Random));
for (int i = 0; i < size; i++)
{
os.WriteInt32(i * j);
}
os.Dispose();
string[] listAll = newDir.ListAll();
Assert.AreEqual(1, listAll.Length);
Assert.AreEqual("d.cfs", listAll[0]);
}
CreateSequenceFile(Dir, "d1", (sbyte)0, 15);
Dir.Copy(csw, "d1", "d1", NewIOContext(Random));
string[] listAll_ = newDir.ListAll();
Assert.AreEqual(1, listAll_.Length);
Assert.AreEqual("d.cfs", listAll_[0]);
csw.Dispose();
CompoundFileDirectory csr = new CompoundFileDirectory(newDir, "d.cfs", NewIOContext(Random), false);
for (int j = 0; j < 2; j++)
{
IndexInput openInput = csr.OpenInput("seg_" + j + "_foo.txt", NewIOContext(Random));
Assert.AreEqual(size * 4, openInput.Length);
for (int i = 0; i < size; i++)
{
Assert.AreEqual(i * j, openInput.ReadInt32());
}
openInput.Dispose();
}
IndexInput expected = Dir.OpenInput("d1", NewIOContext(Random));
IndexInput actual = csr.OpenInput("d1", NewIOContext(Random));
AssertSameStreams("d1", expected, actual);
AssertSameSeekBehavior("d1", expected, actual);
expected.Dispose();
actual.Dispose();
csr.Dispose();
newDir.Dispose();
}
private SortedDocValues LoadBytesFixedSorted(/*FieldInfo field, // LUCENENET: Never read */ IndexInput data, IndexInput index)
{
CodecUtil.CheckHeader(data, Lucene40DocValuesFormat.BYTES_FIXED_SORTED_CODEC_NAME_DAT, Lucene40DocValuesFormat.BYTES_FIXED_SORTED_VERSION_START, Lucene40DocValuesFormat.BYTES_FIXED_SORTED_VERSION_CURRENT);
CodecUtil.CheckHeader(index, Lucene40DocValuesFormat.BYTES_FIXED_SORTED_CODEC_NAME_IDX, Lucene40DocValuesFormat.BYTES_FIXED_SORTED_VERSION_START, Lucene40DocValuesFormat.BYTES_FIXED_SORTED_VERSION_CURRENT);
int fixedLength = data.ReadInt32();
int valueCount = index.ReadInt32();
PagedBytes bytes = new PagedBytes(16);
bytes.Copy(data, fixedLength * (long)valueCount);
PagedBytes.Reader bytesReader = bytes.Freeze(true);
PackedInt32s.Reader reader = PackedInt32s.GetReader(index);
ramBytesUsed.AddAndGet(bytes.RamBytesUsed() + reader.RamBytesUsed());
return(CorrectBuggyOrds(new SortedDocValuesAnonymousClass(fixedLength, valueCount, bytesReader, reader)));
}
private NumericEntry ReadNumericEntry(IndexInput meta)
{
var entry = new NumericEntry {
offset = meta.ReadInt64(), count = meta.ReadInt32(), missingOffset = meta.ReadInt64()
};
if (entry.missingOffset != -1)
{
entry.missingBytes = meta.ReadInt64();
}
else
{
entry.missingBytes = 0;
}
entry.byteWidth = meta.ReadByte();
return(entry);
}
private static NumericEntry ReadNumericEntry(IndexInput meta) // LUCENENET: CA1822: Mark members as static
{
var entry = new NumericEntry {
offset = meta.ReadInt64(), count = meta.ReadInt32(), missingOffset = meta.ReadInt64()
};
if (entry.missingOffset != -1)
{
entry.missingBytes = meta.ReadInt64();
}
else
{
entry.missingBytes = 0;
}
entry.byteWidth = meta.ReadByte();
return(entry);
}
private NumericDocValues LoadDoubleField(FieldInfo field, IndexInput input)
{
CodecUtil.CheckHeader(input, Lucene40DocValuesFormat.FLOATS_CODEC_NAME, Lucene40DocValuesFormat.FLOATS_VERSION_START, Lucene40DocValuesFormat.FLOATS_VERSION_CURRENT);
int valueSize = input.ReadInt32();
if (valueSize != 8)
{
throw new CorruptIndexException("invalid valueSize: " + valueSize);
}
int maxDoc = state.SegmentInfo.DocCount;
long[] values = new long[maxDoc];
for (int i = 0; i < values.Length; i++)
{
values[i] = input.ReadInt64();
}
ramBytesUsed.AddAndGet(RamUsageEstimator.SizeOf(values));
return(new NumericDocValuesAnonymousInnerClassHelper8(values));
}
private SegmentInfo ReadUpgradedSegmentInfo(string name, Directory dir, IndexInput input)
{
CodecUtil.CheckHeader(input, Lucene3xSegmentInfoFormat.UPGRADED_SI_CODEC_NAME, Lucene3xSegmentInfoFormat.UPGRADED_SI_VERSION_START, Lucene3xSegmentInfoFormat.UPGRADED_SI_VERSION_CURRENT);
string version = input.ReadString();
int docCount = input.ReadInt32();
IDictionary <string, string> attributes = input.ReadStringStringMap();
bool isCompoundFile = input.ReadByte() == SegmentInfo.YES;
IDictionary <string, string> diagnostics = input.ReadStringStringMap();
ISet <string> files = input.ReadStringSet();
SegmentInfo info = new SegmentInfo(dir, version, name, docCount, isCompoundFile, null, diagnostics, Collections.UnmodifiableMap(attributes));
info.SetFiles(files);
return(info);
}
public override SegmentInfo Read(Directory dir, string segment, IOContext context)
{
string fileName = IndexFileNames.SegmentFileName(segment, "", Lucene40SegmentInfoFormat.SI_EXTENSION);
IndexInput input = dir.OpenInput(fileName, context);
bool success = false;
try
{
CodecUtil.CheckHeader(input, Lucene40SegmentInfoFormat.CODEC_NAME, Lucene40SegmentInfoFormat.VERSION_START, Lucene40SegmentInfoFormat.VERSION_CURRENT);
string version = input.ReadString();
int docCount = input.ReadInt32();
if (docCount < 0)
{
throw new CorruptIndexException("invalid docCount: " + docCount + " (resource=" + input + ")");
}
bool isCompoundFile = input.ReadByte() == SegmentInfo.YES;
IDictionary <string, string> diagnostics = input.ReadStringStringMap();
input.ReadStringStringMap(); // read deprecated attributes
ISet <string> files = input.ReadStringSet();
CodecUtil.CheckEOF(input);
SegmentInfo si = new SegmentInfo(dir, version, segment, docCount, isCompoundFile, null, diagnostics);
si.SetFiles(files);
success = true;
return(si);
}
finally
{
if (!success)
{
IOUtils.CloseWhileHandlingException(input);
}
else
{
input.Dispose();
}
}
}
private void CheckHeaders(Directory dir)
{
foreach (string file in dir.ListAll())
{
if (file.Equals(IndexWriter.WRITE_LOCK_NAME, StringComparison.Ordinal))
{
continue; // write.lock has no header, thats ok
}
if (file.Equals(IndexFileNames.SEGMENTS_GEN, StringComparison.Ordinal))
{
continue; // segments.gen has no header, thats ok
}
if (file.EndsWith(IndexFileNames.COMPOUND_FILE_EXTENSION, StringComparison.Ordinal))
{
CompoundFileDirectory cfsDir = new CompoundFileDirectory(dir, file, NewIOContext(Random()), false);
CheckHeaders(cfsDir); // recurse into cfs
cfsDir.Dispose();
}
IndexInput @in = null;
bool success = false;
try
{
@in = dir.OpenInput(file, NewIOContext(Random()));
int val = @in.ReadInt32();
Assert.AreEqual(CodecUtil.CODEC_MAGIC, val, file + " has no codec header, instead found: " + val);
success = true;
}
finally
{
if (success)
{
IOUtils.Dispose(@in);
}
else
{
IOUtils.DisposeWhileHandlingException(@in);
}
}
}
}
/// <summary>
/// Sole constructor. </summary>
public MonotonicBlockPackedReader(IndexInput @in, int packedIntsVersion, int blockSize, long valueCount, bool direct)
{
this.valueCount = valueCount;
blockShift = PackedInt32s.CheckBlockSize(blockSize, AbstractBlockPackedWriter.MIN_BLOCK_SIZE, AbstractBlockPackedWriter.MAX_BLOCK_SIZE);
blockMask = blockSize - 1;
int numBlocks = PackedInt32s.NumBlocks(valueCount, blockSize);
minValues = new long[numBlocks];
averages = new float[numBlocks];
subReaders = new PackedInt32s.Reader[numBlocks];
for (int i = 0; i < numBlocks; ++i)
{
minValues[i] = @in.ReadVInt64();
averages[i] = J2N.BitConversion.Int32BitsToSingle(@in.ReadInt32());
int bitsPerValue = @in.ReadVInt32();
if (bitsPerValue > 64)
{
throw new Exception("Corrupted");
}
if (bitsPerValue == 0)
{
subReaders[i] = new PackedInt32s.NullReader(blockSize);
}
else
{
int size = (int)Math.Min(blockSize, valueCount - (long)i * blockSize);
if (direct)
{
long pointer = @in.GetFilePointer();
subReaders[i] = PackedInt32s.GetDirectReaderNoHeader(@in, PackedInt32s.Format.PACKED, packedIntsVersion, size, bitsPerValue);
@in.Seek(pointer + PackedInt32s.Format.PACKED.ByteCount(packedIntsVersion, size, bitsPerValue));
}
else
{
subReaders[i] = PackedInt32s.GetReaderNoHeader(@in, PackedInt32s.Format.PACKED, packedIntsVersion, size, bitsPerValue);
}
}
}
}
private BinaryDocValues LoadBytesFixedDeref(FieldInfo field)
{
string dataName = IndexFileNames.SegmentFileName(state.SegmentInfo.Name + "_" + Convert.ToString(field.Number, CultureInfo.InvariantCulture), segmentSuffix, "dat");
string indexName = IndexFileNames.SegmentFileName(state.SegmentInfo.Name + "_" + Convert.ToString(field.Number, CultureInfo.InvariantCulture), segmentSuffix, "idx");
IndexInput data = null;
IndexInput index = null;
bool success = false;
try
{
data = dir.OpenInput(dataName, state.Context);
CodecUtil.CheckHeader(data, Lucene40DocValuesFormat.BYTES_FIXED_DEREF_CODEC_NAME_DAT, Lucene40DocValuesFormat.BYTES_FIXED_DEREF_VERSION_START, Lucene40DocValuesFormat.BYTES_FIXED_DEREF_VERSION_CURRENT);
index = dir.OpenInput(indexName, state.Context);
CodecUtil.CheckHeader(index, Lucene40DocValuesFormat.BYTES_FIXED_DEREF_CODEC_NAME_IDX, Lucene40DocValuesFormat.BYTES_FIXED_DEREF_VERSION_START, Lucene40DocValuesFormat.BYTES_FIXED_DEREF_VERSION_CURRENT);
int fixedLength = data.ReadInt32();
int valueCount = index.ReadInt32();
PagedBytes bytes = new PagedBytes(16);
bytes.Copy(data, fixedLength * (long)valueCount);
PagedBytes.Reader bytesReader = bytes.Freeze(true);
PackedInt32s.Reader reader = PackedInt32s.GetReader(index);
CodecUtil.CheckEOF(data);
CodecUtil.CheckEOF(index);
ramBytesUsed.AddAndGet(bytes.RamBytesUsed() + reader.RamBytesUsed());
success = true;
return(new BinaryDocValuesAnonymousClass3(fixedLength, bytesReader, reader));
}
finally
{
if (success)
{
IOUtils.Dispose(data, index);
}
else
{
IOUtils.DisposeWhileHandlingException(data, index);
}
}
}
/// <summary>
/// Verifies that the code version which wrote the segment is supported. </summary>
public static void CheckCodeVersion(Directory dir, string segment)
{
string indexStreamFN = IndexFileNames.SegmentFileName(segment, "", FIELDS_INDEX_EXTENSION);
IndexInput idxStream = dir.OpenInput(indexStreamFN, IOContext.DEFAULT);
try
{
int format = idxStream.ReadInt32();
if (format < FORMAT_MINIMUM)
{
throw new IndexFormatTooOldException(idxStream, format, FORMAT_MINIMUM, FORMAT_CURRENT);
}
if (format > FORMAT_CURRENT)
{
throw new IndexFormatTooNewException(idxStream, format, FORMAT_MINIMUM, FORMAT_CURRENT);
}
}
finally
{
idxStream.Dispose();
}
}
public virtual void TestDoubleClose()
{
Directory newDir = NewDirectory();
CompoundFileDirectory csw = new CompoundFileDirectory(newDir, "d.cfs", NewIOContext(Random), true);
IndexOutput @out = csw.CreateOutput("d.xyz", NewIOContext(Random));
@out.WriteInt32(0);
@out.Dispose();
csw.Dispose();
// close a second time - must have no effect according to IDisposable
csw.Dispose();
csw = new CompoundFileDirectory(newDir, "d.cfs", NewIOContext(Random), false);
IndexInput openInput = csw.OpenInput("d.xyz", NewIOContext(Random));
Assert.AreEqual(0, openInput.ReadInt32());
openInput.Dispose();
csw.Dispose();
// close a second time - must have no effect according to IDisposable
csw.Dispose();
newDir.Dispose();
}
protected internal VariableInt32BlockIndexInput(IndexInput input)
{
this.input = input;
m_maxBlockSize = input.ReadInt32();
}
public Lucene3xStoredFieldsReader(Directory d, SegmentInfo si, FieldInfos fn, IOContext context)
{
string segment = Lucene3xSegmentInfoFormat.GetDocStoreSegment(si);
int docStoreOffset = Lucene3xSegmentInfoFormat.GetDocStoreOffset(si);
int size = si.DocCount;
bool success = false;
fieldInfos = fn;
try
{
if (docStoreOffset != -1 && Lucene3xSegmentInfoFormat.GetDocStoreIsCompoundFile(si))
{
d = storeCFSReader = new CompoundFileDirectory(si.Dir, IndexFileNames.SegmentFileName(segment, "", Lucene3xCodec.COMPOUND_FILE_STORE_EXTENSION), context, false);
}
else
{
storeCFSReader = null;
}
fieldsStream = d.OpenInput(IndexFileNames.SegmentFileName(segment, "", FIELDS_EXTENSION), context);
string indexStreamFN = IndexFileNames.SegmentFileName(segment, "", FIELDS_INDEX_EXTENSION);
indexStream = d.OpenInput(indexStreamFN, context);
format = indexStream.ReadInt32();
if (format < FORMAT_MINIMUM)
{
throw new IndexFormatTooOldException(indexStream, format, FORMAT_MINIMUM, FORMAT_CURRENT);
}
if (format > FORMAT_CURRENT)
{
throw new IndexFormatTooNewException(indexStream, format, FORMAT_MINIMUM, FORMAT_CURRENT);
}
long indexSize = indexStream.Length - FORMAT_SIZE;
if (docStoreOffset != -1)
{
// We read only a slice out of this shared fields file
this.docStoreOffset = docStoreOffset;
this.size = size;
// Verify the file is long enough to hold all of our
// docs
if (Debugging.AssertsEnabled)
{
Debugging.Assert(((int)(indexSize / 8)) >= size + this.docStoreOffset, "indexSize={0} size={1} docStoreOffset={2}", indexSize, size, docStoreOffset);
}
}
else
{
this.docStoreOffset = 0;
this.size = (int)(indexSize >> 3);
// Verify two sources of "maxDoc" agree:
if (this.size != si.DocCount)
{
throw new CorruptIndexException("doc counts differ for segment " + segment + ": fieldsReader shows " + this.size + " but segmentInfo shows " + si.DocCount);
}
}
numTotalDocs = (int)(indexSize >> 3);
success = true;
}
finally
{
// With lock-less commits, it's entirely possible (and
// fine) to hit a FileNotFound exception above. In
// this case, we want to explicitly close any subset
// of things that were opened so that we don't have to
// wait for a GC to do so.
if (!success)
{
try
{
Dispose();
} // keep our original exception
#pragma warning disable 168
catch (Exception t)
#pragma warning restore 168
{
}
}
}
}
private void ReadBits(IndexInput input)
{
count = input.ReadInt32(); // read count
bits = new byte[GetNumBytes(size)]; // allocate bits
input.ReadBytes(bits, 0, bits.Length);
}