public SimpleTextStoredFieldsReader(Directory directory, SegmentInfo si, FieldInfos fn, IOContext context)
{
_fieldInfos = fn;
var success = false;
try
{
_input =
directory.OpenInput(
IndexFileNames.SegmentFileName(si.Name, "", SimpleTextStoredFieldsWriter.FIELDS_EXTENSION),
context);
success = true;
}
finally
{
if (!success)
{
try
{
Dispose();
}
catch
{
// ensure we throw our original exception
}
}
}
ReadIndex(si.DocCount);
}
public SimpleTextStoredFieldsReader(Directory directory, SegmentInfo si, FieldInfos fn, IOContext context)
{
_fieldInfos = fn;
var success = false;
try
{
_input =
directory.OpenInput(
IndexFileNames.SegmentFileName(si.Name, "", SimpleTextStoredFieldsWriter.FIELDS_EXTENSION),
context);
success = true;
}
finally
{
if (!success)
{
try
{
Dispose();
}
catch
{
// ensure we throw our original exception
}
}
}
ReadIndex(si.DocCount);
}
private void CheckFieldSummary(SegmentInfo info, IndexInput @in, TermsReader field, TermsReader previous)
{
// #docs with field must be <= #docs
if (field.docCount < 0 || field.docCount > info.DocCount)
{
throw new CorruptIndexException("invalid docCount: " + field.docCount + " maxDoc: " + info.DocCount + " (resource=" + @in + ")");
}
// #postings must be >= #docs with field
if (field.sumDocFreq < field.docCount)
{
throw new CorruptIndexException("invalid sumDocFreq: " + field.sumDocFreq + " docCount: " + field.docCount + " (resource=" + @in + ")");
}
// #positions must be >= #postings
if (field.sumTotalTermFreq != -1 && field.sumTotalTermFreq < field.sumDocFreq)
{
throw new CorruptIndexException("invalid sumTotalTermFreq: " + field.sumTotalTermFreq + " sumDocFreq: " + field.sumDocFreq + " (resource=" + @in + ")");
}
if (previous != null)
{
throw new CorruptIndexException("duplicate fields: " + field.fieldInfo.Name + " (resource=" + @in + ")");
}
}
public SimpleTextTermVectorsReader(Directory directory, SegmentInfo si, IOContext context)
{
bool success = false;
try
{
_input = directory.OpenInput(IndexFileNames.SegmentFileName(si.Name, "", VECTORS_EXTENSION), context);
success = true;
}
finally
{
if (!success)
{
try
{
Dispose();
} // ensure we throw our original exception
catch (Exception)
{
}
}
}
ReadIndex(si.DocCount);
}
public override StoredFieldsWriter FieldsWriter(Directory directory, SegmentInfo si, IOContext context)
{
return(new SimpleTextStoredFieldsWriter(directory, si.Name, context));
}
public override StoredFieldsReader FieldsReader(Directory directory, SegmentInfo si, FieldInfos fn,
IOContext context)
{
return(new SimpleTextStoredFieldsReader(directory, si, fn, context));
}
public override SegmentInfo Read(Directory directory, string segmentName, IOContext context)
{
BytesRef scratch = new BytesRef();
string segFileName = IndexFileNames.SegmentFileName(segmentName, "",
SimpleTextSegmentInfoFormat.SI_EXTENSION);
ChecksumIndexInput input = directory.OpenChecksumInput(segFileName, context);
bool success = false;
try
{
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SI_VERSION));
string version = ReadString(SI_VERSION.length, scratch);
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SI_DOCCOUNT));
int docCount = Convert.ToInt32(ReadString(SI_DOCCOUNT.length, scratch));
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SI_USECOMPOUND));
bool isCompoundFile = Convert.ToBoolean(ReadString(SI_USECOMPOUND.length, scratch));
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SI_NUM_DIAG));
int numDiag = Convert.ToInt32(ReadString(SI_NUM_DIAG.length, scratch));
IDictionary <string, string> diagnostics = new Dictionary <string, string>();
for (int i = 0; i < numDiag; i++)
{
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SI_DIAG_KEY));
string key = ReadString(SI_DIAG_KEY.length, scratch);
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SI_DIAG_VALUE));
string value = ReadString(SI_DIAG_VALUE.length, scratch);
diagnostics[key] = value;
}
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SI_NUM_FILES));
int numFiles = Convert.ToInt32(ReadString(SI_NUM_FILES.length, scratch));
HashSet <string> files = new HashSet <string>();
for (int i = 0; i < numFiles; i++)
{
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SI_FILE));
string fileName = ReadString(SI_FILE.length, scratch);
files.Add(fileName);
}
SimpleTextUtil.CheckFooter(input);
SegmentInfo info = new SegmentInfo(directory, version, segmentName, docCount, isCompoundFile, null,
diagnostics);
info.Files = files;
success = true;
return(info);
}
finally
{
if (!success)
{
IOUtils.CloseWhileHandlingException(input);
}
else
{
input.Close();
}
}
}
public override TermVectorsWriter VectorsWriter(Directory directory, SegmentInfo segmentInfo, IOContext context)
{
return new SimpleTextTermVectorsWriter(directory, segmentInfo.Name, context);
}
public override TermVectorsWriter VectorsWriter(Directory directory, SegmentInfo segmentInfo, IOContext context)
{
return(new SimpleTextTermVectorsWriter(directory, segmentInfo.Name, context));
}
public override TermVectorsReader VectorsReader(Directory directory, SegmentInfo segmentInfo,
FieldInfos fieldInfos, IOContext context)
{
return(new SimpleTextTermVectorsReader(directory, segmentInfo, context));
}
public override void Write(Directory dir, SegmentInfo si, FieldInfos fis, IOContext ioContext)
{
var segFileName = IndexFileNames.SegmentFileName(si.Name, "", SimpleTextSegmentInfoFormat.SI_EXTENSION);
si.AddFile(segFileName);
var success = false;
var output = dir.CreateOutput(segFileName, ioContext);
try
{
var scratch = new BytesRef();
SimpleTextUtil.Write(output, SI_VERSION);
SimpleTextUtil.Write(output, si.Version, scratch);
SimpleTextUtil.WriteNewline(output);
SimpleTextUtil.Write(output, SI_DOCCOUNT);
SimpleTextUtil.Write(output, Convert.ToString(si.DocCount, CultureInfo.InvariantCulture), scratch);
SimpleTextUtil.WriteNewline(output);
SimpleTextUtil.Write(output, SI_USECOMPOUND);
SimpleTextUtil.Write(output, Convert.ToString(si.UseCompoundFile, CultureInfo.InvariantCulture).ToLowerInvariant(), scratch);
SimpleTextUtil.WriteNewline(output);
IDictionary <string, string> diagnostics = si.Diagnostics;
int numDiagnostics = diagnostics == null ? 0 : diagnostics.Count;
SimpleTextUtil.Write(output, SI_NUM_DIAG);
SimpleTextUtil.Write(output, Convert.ToString(numDiagnostics, CultureInfo.InvariantCulture), scratch);
SimpleTextUtil.WriteNewline(output);
if (numDiagnostics > 0)
{
foreach (var diagEntry in diagnostics)
{
SimpleTextUtil.Write(output, SI_DIAG_KEY);
SimpleTextUtil.Write(output, diagEntry.Key, scratch);
SimpleTextUtil.WriteNewline(output);
SimpleTextUtil.Write(output, SI_DIAG_VALUE);
SimpleTextUtil.Write(output, diagEntry.Value, scratch);
SimpleTextUtil.WriteNewline(output);
}
}
var files = si.Files;
var numFiles = files == null ? 0 : files.Count;
SimpleTextUtil.Write(output, SI_NUM_FILES);
SimpleTextUtil.Write(output, Convert.ToString(numFiles, CultureInfo.InvariantCulture), scratch);
SimpleTextUtil.WriteNewline(output);
if (numFiles > 0)
{
foreach (var fileName in files)
{
SimpleTextUtil.Write(output, SI_FILE);
SimpleTextUtil.Write(output, fileName, scratch);
SimpleTextUtil.WriteNewline(output);
}
}
SimpleTextUtil.WriteChecksum(output, scratch);
success = true;
}
finally
{
if (!success)
{
IOUtils.CloseWhileHandlingException(output);
try
{
dir.DeleteFile(segFileName);
}
catch (Exception)
{
//Esnure we throw original exeception
}
}
else
{
output.Dispose();
}
}
}
public override StoredFieldsWriter FieldsWriter(Directory directory, SegmentInfo si, IOContext context)
{
return new SimpleTextStoredFieldsWriter(directory, si.Name, context);
}
public override StoredFieldsReader FieldsReader(Directory directory, SegmentInfo si, FieldInfos fn,
IOContext context)
{
return new SimpleTextStoredFieldsReader(directory, si, fn, context);
}
public override SegmentInfo Read(Directory directory, string segmentName, IOContext context)
{
var scratch = new BytesRef();
string segFileName = IndexFileNames.SegmentFileName(segmentName, "",
SimpleTextSegmentInfoFormat.SI_EXTENSION);
ChecksumIndexInput input = directory.OpenChecksumInput(segFileName, context);
bool success = false;
try
{
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_VERSION));
string version = ReadString(SimpleTextSegmentInfoWriter.SI_VERSION.Length, scratch);
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_DOCCOUNT));
int docCount = Convert.ToInt32(ReadString(SimpleTextSegmentInfoWriter.SI_DOCCOUNT.Length, scratch));
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_USECOMPOUND));
bool isCompoundFile = Convert.ToBoolean(ReadString(SimpleTextSegmentInfoWriter.SI_USECOMPOUND.Length, scratch));
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_NUM_DIAG));
int numDiag = Convert.ToInt32(ReadString(SimpleTextSegmentInfoWriter.SI_NUM_DIAG.Length, scratch));
IDictionary<string, string> diagnostics = new Dictionary<string, string>();
for (int i = 0; i < numDiag; i++)
{
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_DIAG_KEY));
string key = ReadString(SimpleTextSegmentInfoWriter.SI_DIAG_KEY.Length, scratch);
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_DIAG_VALUE));
string value = ReadString(SimpleTextSegmentInfoWriter.SI_DIAG_VALUE.Length, scratch);
diagnostics[key] = value;
}
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_NUM_FILES));
int numFiles = Convert.ToInt32(ReadString(SimpleTextSegmentInfoWriter.SI_NUM_FILES.Length, scratch));
var files = new HashSet<string>();
for (int i = 0; i < numFiles; i++)
{
SimpleTextUtil.ReadLine(input, scratch);
Debug.Assert(StringHelper.StartsWith(scratch, SimpleTextSegmentInfoWriter.SI_FILE));
string fileName = ReadString(SimpleTextSegmentInfoWriter.SI_FILE.Length, scratch);
files.Add(fileName);
}
SimpleTextUtil.CheckFooter(input);
var info = new SegmentInfo(directory, version, segmentName, docCount, isCompoundFile, null,
diagnostics) {Files = files};
success = true;
return info;
}
finally
{
if (!success)
{
IOUtils.CloseWhileHandlingException(input);
}
else
{
input.Dispose();
}
}
}
public override void Write(Directory dir, SegmentInfo si, FieldInfos fis, IOContext ioContext)
{
var segFileName = IndexFileNames.SegmentFileName(si.Name, "", SimpleTextSegmentInfoFormat.SI_EXTENSION);
si.AddFile(segFileName);
var success = false;
var output = dir.CreateOutput(segFileName, ioContext);
try
{
var scratch = new BytesRef();
SimpleTextUtil.Write(output, SI_VERSION);
SimpleTextUtil.Write(output, si.Version, scratch);
SimpleTextUtil.WriteNewline(output);
SimpleTextUtil.Write(output, SI_DOCCOUNT);
SimpleTextUtil.Write(output, Convert.ToString(si.DocCount, CultureInfo.InvariantCulture), scratch);
SimpleTextUtil.WriteNewline(output);
SimpleTextUtil.Write(output, SI_USECOMPOUND);
SimpleTextUtil.Write(output, Convert.ToString(si.UseCompoundFile, CultureInfo.InvariantCulture).ToLowerInvariant(), scratch);
SimpleTextUtil.WriteNewline(output);
IDictionary<string, string> diagnostics = si.Diagnostics;
int numDiagnostics = diagnostics == null ? 0 : diagnostics.Count;
SimpleTextUtil.Write(output, SI_NUM_DIAG);
SimpleTextUtil.Write(output, Convert.ToString(numDiagnostics, CultureInfo.InvariantCulture), scratch);
SimpleTextUtil.WriteNewline(output);
if (numDiagnostics > 0)
{
foreach (var diagEntry in diagnostics)
{
SimpleTextUtil.Write(output, SI_DIAG_KEY);
SimpleTextUtil.Write(output, diagEntry.Key, scratch);
SimpleTextUtil.WriteNewline(output);
SimpleTextUtil.Write(output, SI_DIAG_VALUE);
SimpleTextUtil.Write(output, diagEntry.Value, scratch);
SimpleTextUtil.WriteNewline(output);
}
}
var files = si.Files;
var numFiles = files == null ? 0 : files.Count;
SimpleTextUtil.Write(output, SI_NUM_FILES);
SimpleTextUtil.Write(output, Convert.ToString(numFiles, CultureInfo.InvariantCulture), scratch);
SimpleTextUtil.WriteNewline(output);
if (numFiles > 0)
{
foreach (var fileName in files)
{
SimpleTextUtil.Write(output, SI_FILE);
SimpleTextUtil.Write(output, fileName, scratch);
SimpleTextUtil.WriteNewline(output);
}
}
SimpleTextUtil.WriteChecksum(output, scratch);
success = true;
}
finally
{
if (!success)
{
IOUtils.CloseWhileHandlingException(output);
try
{
dir.DeleteFile(segFileName);
}
catch (Exception)
{
//Esnure we throw original exeception
}
}
else
{
output.Dispose();
}
}
}
public Lucene3xFieldsAnonymousInnerClassHelper(PreFlexRWPostingsFormat outerInstance, Store.Directory directory, Index.FieldInfos fieldInfos, Index.SegmentInfo segmentInfo, Store.IOContext context, int termsIndexDivisor)
: base(directory, fieldInfos, segmentInfo, context, termsIndexDivisor)
{
this.outerInstance = outerInstance;
}
private long[] _offsets; // docid -> offset in .vec file
#endregion Fields
#region Constructors
public SimpleTextTermVectorsReader(Directory directory, SegmentInfo si, IOContext context)
{
bool success = false;
try
{
_input = directory.OpenInput(IndexFileNames.SegmentFileName(si.Name, "", SimpleTextTermVectorsWriter.VECTORS_EXTENSION), context);
success = true;
}
finally
{
if (!success)
{
try
{
Dispose();
}
catch (Exception)
{
// ensure we throw our original exception
}
}
}
ReadIndex(si.DocCount);
}
public override TermVectorsReader VectorsReader(Directory directory, SegmentInfo segmentInfo,
FieldInfos fieldInfos, IOContext context)
{
return new SimpleTextTermVectorsReader(directory, segmentInfo, context);
}
