protected internal override void DoCommit()
{
if (deletedDocsDirty)
{
// re-write deleted
System.String oldDelFileName = si.GetDelFileName();
if (oldDelFileName != null)
{
// Mark this file for deletion. Note that we don't
// actually try to delete it until the new segments files is
// successfully written:
deleter.AddPendingFile(oldDelFileName);
}
si.AdvanceDelGen();
// We can write directly to the actual name (vs to a
// .tmp & renaming it) because the file is not live
// until segments file is written:
deletedDocs.Write(Directory(), si.GetDelFileName());
}
if (undeleteAll && si.HasDeletions())
{
System.String oldDelFileName = si.GetDelFileName();
if (oldDelFileName != null)
{
// Mark this file for deletion. Note that we don't
// actually try to delete it until the new segments files is
// successfully written:
deleter.AddPendingFile(oldDelFileName);
}
si.ClearDelGen();
}
if (normsDirty)
{
// re-write norms
si.SetNumFields(fieldInfos.Size());
System.Collections.IEnumerator values = norms.Values.GetEnumerator();
while (values.MoveNext())
{
Norm norm = (Norm)values.Current;
if (norm.dirty)
{
norm.ReWrite(si);
}
}
}
deletedDocsDirty = false;
normsDirty = false;
undeleteAll = false;
}
private void LoadDeletedDocs()
{
// NOTE: the bitvector is stored using the regular directory, not cfs
if (HasDeletions(si))
{
deletedDocs = new BitVector(Directory(), si.GetDelFileName());
// Verify # deletes does not exceed maxDoc for this segment:
if (deletedDocs.Count() > MaxDoc())
{
throw new CorruptIndexException("number of deletes (" + deletedDocs.Count() + ") exceeds max doc (" + MaxDoc() + ") for segment " + si.name);
}
}
}
private void LoadDeletedDocs()
{
// NOTE: the bitvector is stored using the regular directory, not cfs
if (HasDeletions(si))
{
deletedDocs = new BitVector(Directory(), si.GetDelFileName());
System.Diagnostics.Debug.Assert(si.GetDelCount() == deletedDocs.Count(),
"delete count mismatch: info=" + si.GetDelCount() + " vs BitVector=" + deletedDocs.Count());
// Verify # deletes does not exceed maxDoc for this segment:
System.Diagnostics.Debug.Assert(si.GetDelCount() <= MaxDoc(),
"delete count mismatch: " + deletedDocs.Count() + ") exceeds max doc (" + MaxDoc() + ") for segment " + si.name);
}
else
{
System.Diagnostics.Debug.Assert(si.GetDelCount() == 0);
}
}
private void Initialize(SegmentInfo si)
{
segment = si.name;
this.si = si;
bool success = false;
try
{
// Use compound file directory for some files, if it exists
Directory cfsDir = Directory();
if (si.GetUseCompoundFile())
{
cfsReader = new CompoundFileReader(Directory(), segment + ".cfs");
cfsDir = cfsReader;
}
// No compound file exists - use the multi-file format
fieldInfos = new FieldInfos(cfsDir, segment + ".fnm");
fieldsReader = new FieldsReader(cfsDir, segment, fieldInfos);
// Verify two sources of "maxDoc" agree:
if (fieldsReader.Size() != si.docCount)
{
throw new System.SystemException("doc counts differ for segment " + si.name + ": fieldsReader shows " + fieldsReader.Size() + " but segmentInfo shows " + si.docCount);
}
tis = new TermInfosReader(cfsDir, segment, fieldInfos);
// NOTE: the bitvector is stored using the regular directory, not cfs
if (HasDeletions(si))
{
deletedDocs = new BitVector(Directory(), si.GetDelFileName());
// Verify # deletes does not exceed maxDoc for this segment:
if (deletedDocs.Count() > MaxDoc())
{
throw new System.SystemException("number of deletes (" + deletedDocs.Count() + ") exceeds max doc (" + MaxDoc() + ") for segment " + si.name);
}
}
// make sure that all index files have been read or are kept open
// so that if an index update removes them we'll still have them
freqStream = cfsDir.OpenInput(segment + ".frq");
proxStream = cfsDir.OpenInput(segment + ".prx");
OpenNorms(cfsDir);
if (fieldInfos.HasVectors())
{
// open term vector files only as needed
termVectorsReaderOrig = new TermVectorsReader(cfsDir, segment, fieldInfos);
}
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)
{
DoClose();
}
}
}
internal virtual SegmentReader ReopenSegment(SegmentInfo si, bool doClone, bool openReadOnly)
{
lock (this)
{
bool deletionsUpToDate = (this.si.HasDeletions() == si.HasDeletions()) && (!si.HasDeletions() || this.si.GetDelFileName().Equals(si.GetDelFileName()));
bool normsUpToDate = true;
bool[] fieldNormsChanged = new bool[core.fieldInfos.Size()];
int fieldCount = core.fieldInfos.Size();
for (int i = 0; i < fieldCount; i++)
{
if (!this.si.GetNormFileName(i).Equals(si.GetNormFileName(i)))
{
normsUpToDate = false;
fieldNormsChanged[i] = true;
}
}
// if we're cloning we need to run through the reopenSegment logic
// also if both old and new readers aren't readonly, we clone to avoid sharing modifications
if (normsUpToDate && deletionsUpToDate && !doClone && openReadOnly && readOnly)
{
return this;
}
// When cloning, the incoming SegmentInfos should not
// have any changes in it:
System.Diagnostics.Debug.Assert(!doClone ||(normsUpToDate && deletionsUpToDate));
// clone reader
SegmentReader clone;
try
{
if (openReadOnly)
clone = (SegmentReader) System.Activator.CreateInstance(READONLY_IMPL);
else
clone = (SegmentReader) System.Activator.CreateInstance(IMPL);
}
catch (System.Exception e)
{
throw new System.SystemException("cannot load SegmentReader class: " + e, e);
}
bool success = false;
try
{
core.IncRef();
clone.core = core;
clone.readOnly = openReadOnly;
clone.si = si;
clone.readBufferSize = readBufferSize;
if (!openReadOnly && hasChanges)
{
// My pending changes transfer to the new reader
clone.pendingDeleteCount = pendingDeleteCount;
clone.deletedDocsDirty = deletedDocsDirty;
clone.normsDirty = normsDirty;
clone.hasChanges = hasChanges;
hasChanges = false;
}
if (doClone)
{
if (deletedDocs != null)
{
deletedDocsRef.IncRef();
clone.deletedDocs = deletedDocs;
clone.deletedDocsRef = deletedDocsRef;
}
}
else
{
if (!deletionsUpToDate)
{
// load deleted docs
System.Diagnostics.Debug.Assert(clone.deletedDocs == null);
clone.LoadDeletedDocs();
}
else if (deletedDocs != null)
{
deletedDocsRef.IncRef();
clone.deletedDocs = deletedDocs;
clone.deletedDocsRef = deletedDocsRef;
}
}
clone.SetDisableFakeNorms(GetDisableFakeNorms());
clone.norms = new System.Collections.Hashtable();
// Clone norms
for (int i = 0; i < fieldNormsChanged.Length; i++)
{
// Clone unchanged norms to the cloned reader
if (doClone || !fieldNormsChanged[i])
{
System.String curField = core.fieldInfos.FieldInfo(i).name;
Norm norm = (Norm) this.norms[curField];
if (norm != null)
clone.norms[curField] = norm.Clone();
}
}
// If we are not cloning, then this will open anew
// any norms that have changed:
clone.OpenNorms(si.GetUseCompoundFile()?core.GetCFSReader():Directory(), readBufferSize);
success = true;
}
finally
{
if (!success)
{
// An exception occured during reopen, we have to decRef the norms
// that we incRef'ed already and close singleNormsStream and FieldsReader
clone.DecRef();
}
}
return clone;
}
}
/// <summary>Returns a {@link Status} instance detailing
/// the state of the index.
///
/// </summary>
/// <param name="onlySegments">list of specific segment names to check
///
/// <p/>As this method checks every byte in the specified
/// segments, on a large index it can take quite a long
/// time to run.
///
/// <p/><b>WARNING</b>: make sure
/// you only call this when the index is not opened by any
/// writer.
/// </param>
public virtual Status CheckIndex_Renamed_Method(System.Collections.IList onlySegments)
{
System.Globalization.NumberFormatInfo nf = System.Globalization.CultureInfo.CurrentCulture.NumberFormat;
SegmentInfos sis = new SegmentInfos();
Status result = new Status();
result.dir = dir;
try
{
sis.Read(dir);
}
catch (System.Exception t)
{
Msg("ERROR: could not read any segments file in directory");
result.missingSegments = true;
if (infoStream != null)
{
infoStream.WriteLine(t.StackTrace);
}
return(result);
}
int numSegments = sis.Count;
System.String segmentsFileName = sis.GetCurrentSegmentFileName();
IndexInput input = null;
try
{
input = dir.OpenInput(segmentsFileName);
}
catch (System.Exception t)
{
Msg("ERROR: could not open segments file in directory");
if (infoStream != null)
{
infoStream.WriteLine(t.StackTrace);
}
result.cantOpenSegments = true;
return(result);
}
int format = 0;
try
{
format = input.ReadInt();
}
catch (System.Exception t)
{
Msg("ERROR: could not read segment file version in directory");
if (infoStream != null)
{
infoStream.WriteLine(t.StackTrace);
}
result.missingSegmentVersion = true;
return(result);
}
finally
{
if (input != null)
{
input.Close();
}
}
System.String sFormat = "";
bool skip = false;
if (format == SegmentInfos.FORMAT)
{
sFormat = "FORMAT [Lucene Pre-2.1]";
}
if (format == SegmentInfos.FORMAT_LOCKLESS)
{
sFormat = "FORMAT_LOCKLESS [Lucene 2.1]";
}
else if (format == SegmentInfos.FORMAT_SINGLE_NORM_FILE)
{
sFormat = "FORMAT_SINGLE_NORM_FILE [Lucene 2.2]";
}
else if (format == SegmentInfos.FORMAT_SHARED_DOC_STORE)
{
sFormat = "FORMAT_SHARED_DOC_STORE [Lucene 2.3]";
}
else
{
if (format == SegmentInfos.FORMAT_CHECKSUM)
{
sFormat = "FORMAT_CHECKSUM [Lucene 2.4]";
}
else if (format == SegmentInfos.FORMAT_DEL_COUNT)
{
sFormat = "FORMAT_DEL_COUNT [Lucene 2.4]";
}
else if (format == SegmentInfos.FORMAT_HAS_PROX)
{
sFormat = "FORMAT_HAS_PROX [Lucene 2.4]";
}
else if (format == SegmentInfos.FORMAT_USER_DATA)
{
sFormat = "FORMAT_USER_DATA [Lucene 2.9]";
}
else if (format == SegmentInfos.FORMAT_DIAGNOSTICS)
{
sFormat = "FORMAT_DIAGNOSTICS [Lucene 2.9]";
}
else if (format < SegmentInfos.CURRENT_FORMAT)
{
sFormat = "int=" + format + " [newer version of Lucene than this tool]";
skip = true;
}
else
{
sFormat = format + " [Lucene 1.3 or prior]";
}
}
result.segmentsFileName = segmentsFileName;
result.numSegments = numSegments;
result.segmentFormat = sFormat;
result.userData = sis.GetUserData();
System.String userDataString;
if (sis.GetUserData().Count > 0)
{
userDataString = " userData=" + SupportClass.CollectionsHelper.CollectionToString(sis.GetUserData());
}
else
{
userDataString = "";
}
Msg("Segments file=" + segmentsFileName + " numSegments=" + numSegments + " version=" + sFormat + userDataString);
if (onlySegments != null)
{
result.partial = true;
if (infoStream != null)
{
infoStream.Write("\nChecking only these segments:");
}
System.Collections.IEnumerator it = onlySegments.GetEnumerator();
while (it.MoveNext())
{
if (infoStream != null)
{
infoStream.Write(" " + it.Current);
}
}
System.Collections.IEnumerator e = onlySegments.GetEnumerator();
while (e.MoveNext() == true)
{
result.segmentsChecked.Add(e.Current);
}
Msg(":");
}
if (skip)
{
Msg("\nERROR: this index appears to be created by a newer version of Lucene than this tool was compiled on; please re-compile this tool on the matching version of Lucene; exiting");
result.toolOutOfDate = true;
return(result);
}
result.newSegments = (SegmentInfos)sis.Clone();
result.newSegments.Clear();
for (int i = 0; i < numSegments; i++)
{
SegmentInfo info = sis.Info(i);
if (onlySegments != null && !onlySegments.Contains(info.name))
{
continue;
}
Status.SegmentInfoStatus segInfoStat = new Status.SegmentInfoStatus();
result.segmentInfos.Add(segInfoStat);
Msg(" " + (1 + i) + " of " + numSegments + ": name=" + info.name + " docCount=" + info.docCount);
segInfoStat.name = info.name;
segInfoStat.docCount = info.docCount;
int toLoseDocCount = info.docCount;
SegmentReader reader = null;
try
{
Msg(" compound=" + info.GetUseCompoundFile());
segInfoStat.compound = info.GetUseCompoundFile();
Msg(" hasProx=" + info.GetHasProx());
segInfoStat.hasProx = info.GetHasProx();
Msg(" numFiles=" + info.Files().Count);
segInfoStat.numFiles = info.Files().Count;
Msg(System.String.Format(nf, " size (MB)={0:f}", new System.Object[] { (info.SizeInBytes() / (1024.0 * 1024.0)) }));
segInfoStat.sizeMB = info.SizeInBytes() / (1024.0 * 1024.0);
System.Collections.Generic.IDictionary <string, string> diagnostics = info.GetDiagnostics();
segInfoStat.diagnostics = diagnostics;
if (diagnostics.Count > 0)
{
Msg(" diagnostics = " + SupportClass.CollectionsHelper.CollectionToString(diagnostics));
}
int docStoreOffset = info.GetDocStoreOffset();
if (docStoreOffset != -1)
{
Msg(" docStoreOffset=" + docStoreOffset);
segInfoStat.docStoreOffset = docStoreOffset;
Msg(" docStoreSegment=" + info.GetDocStoreSegment());
segInfoStat.docStoreSegment = info.GetDocStoreSegment();
Msg(" docStoreIsCompoundFile=" + info.GetDocStoreIsCompoundFile());
segInfoStat.docStoreCompoundFile = info.GetDocStoreIsCompoundFile();
}
System.String delFileName = info.GetDelFileName();
if (delFileName == null)
{
Msg(" no deletions");
segInfoStat.hasDeletions = false;
}
else
{
Msg(" has deletions [delFileName=" + delFileName + "]");
segInfoStat.hasDeletions = true;
segInfoStat.deletionsFileName = delFileName;
}
if (infoStream != null)
{
infoStream.Write(" test: open reader.........");
}
reader = SegmentReader.Get(info);
segInfoStat.openReaderPassed = true;
int numDocs = reader.NumDocs();
toLoseDocCount = numDocs;
if (reader.HasDeletions())
{
if (reader.deletedDocs.Count() != info.GetDelCount())
{
throw new System.SystemException("delete count mismatch: info=" + info.GetDelCount() + " vs deletedDocs.count()=" + reader.deletedDocs.Count());
}
if (reader.deletedDocs.Count() > reader.MaxDoc())
{
throw new System.SystemException("too many deleted docs: maxDoc()=" + reader.MaxDoc() + " vs deletedDocs.count()=" + reader.deletedDocs.Count());
}
if (info.docCount - numDocs != info.GetDelCount())
{
throw new System.SystemException("delete count mismatch: info=" + info.GetDelCount() + " vs reader=" + (info.docCount - numDocs));
}
segInfoStat.numDeleted = info.docCount - numDocs;
Msg("OK [" + (segInfoStat.numDeleted) + " deleted docs]");
}
else
{
if (info.GetDelCount() != 0)
{
throw new System.SystemException("delete count mismatch: info=" + info.GetDelCount() + " vs reader=" + (info.docCount - numDocs));
}
Msg("OK");
}
if (reader.MaxDoc() != info.docCount)
{
throw new System.SystemException("SegmentReader.maxDoc() " + reader.MaxDoc() + " != SegmentInfos.docCount " + info.docCount);
}
// Test getFieldNames()
if (infoStream != null)
{
infoStream.Write(" test: fields..............");
}
System.Collections.Generic.ICollection <string> fieldNames = reader.GetFieldNames(IndexReader.FieldOption.ALL);
Msg("OK [" + fieldNames.Count + " fields]");
segInfoStat.numFields = fieldNames.Count;
// Test Field Norms
segInfoStat.fieldNormStatus = TestFieldNorms(fieldNames, reader);
// Test the Term Index
segInfoStat.termIndexStatus = TestTermIndex(info, reader);
// Test Stored Fields
segInfoStat.storedFieldStatus = TestStoredFields(info, reader, nf);
// Test Term Vectors
segInfoStat.termVectorStatus = TestTermVectors(info, reader, nf);
// Rethrow the first exception we encountered
// This will cause stats for failed segments to be incremented properly
if (segInfoStat.fieldNormStatus.error != null)
{
throw new System.SystemException("Field Norm test failed");
}
else if (segInfoStat.termIndexStatus.error != null)
{
throw new System.SystemException("Term Index test failed");
}
else if (segInfoStat.storedFieldStatus.error != null)
{
throw new System.SystemException("Stored Field test failed");
}
else if (segInfoStat.termVectorStatus.error != null)
{
throw new System.SystemException("Term Vector test failed");
}
Msg("");
}
catch (System.Exception t)
{
Msg("FAILED");
System.String comment;
comment = "fixIndex() would remove reference to this segment";
Msg(" WARNING: " + comment + "; full exception:");
if (infoStream != null)
{
infoStream.WriteLine(t.StackTrace);
}
Msg("");
result.totLoseDocCount += toLoseDocCount;
result.numBadSegments++;
continue;
}
finally
{
if (reader != null)
{
reader.Close();
}
}
// Keeper
result.newSegments.Add(info.Clone());
}
if (0 == result.numBadSegments)
{
result.clean = true;
Msg("No problems were detected with this index.\n");
}
else
{
Msg("WARNING: " + result.numBadSegments + " broken segments (containing " + result.totLoseDocCount + " documents) detected");
}
return(result);
}
internal virtual SegmentReader ReopenSegment(SegmentInfo si)
{
lock (this)
{
bool deletionsUpToDate = (this.si.HasDeletions() == si.HasDeletions()) && (!si.HasDeletions() || this.si.GetDelFileName().Equals(si.GetDelFileName()));
bool normsUpToDate = true;
bool[] fieldNormsChanged = new bool[fieldInfos.Size()];
if (normsUpToDate)
{
for (int i = 0; i < fieldInfos.Size(); i++)
{
if (!this.si.GetNormFileName(i).Equals(si.GetNormFileName(i)))
{
normsUpToDate = false;
fieldNormsChanged[i] = true;
}
}
}
if (normsUpToDate && deletionsUpToDate)
{
return(this);
}
// clone reader
SegmentReader clone;
if (readOnly)
{
clone = new ReadOnlySegmentReader();
}
else
{
clone = new SegmentReader();
}
bool success = false;
try
{
clone.readOnly = readOnly;
clone.directory = directory;
clone.si = si;
clone.segment = segment;
clone.readBufferSize = readBufferSize;
clone.cfsReader = cfsReader;
clone.storeCFSReader = storeCFSReader;
clone.fieldInfos = fieldInfos;
clone.tis = tis;
clone.freqStream = freqStream;
clone.proxStream = proxStream;
clone.termVectorsReaderOrig = termVectorsReaderOrig;
// we have to open a new FieldsReader, because it is not thread-safe
// and can thus not be shared among multiple SegmentReaders
// TODO: Change this in case FieldsReader becomes thread-safe in the future
System.String fieldsSegment;
Directory storeDir = Directory();
if (si.GetDocStoreOffset() != -1)
{
fieldsSegment = si.GetDocStoreSegment();
if (storeCFSReader != null)
{
storeDir = storeCFSReader;
}
}
else
{
fieldsSegment = segment;
if (cfsReader != null)
{
storeDir = cfsReader;
}
}
if (fieldsReader != null)
{
clone.fieldsReader = new FieldsReader(storeDir, fieldsSegment, fieldInfos, readBufferSize, si.GetDocStoreOffset(), si.docCount);
}
if (!deletionsUpToDate)
{
// load deleted docs
clone.deletedDocs = null;
clone.LoadDeletedDocs();
}
else
{
clone.deletedDocs = this.deletedDocs;
}
clone.norms = new System.Collections.Hashtable();
if (!normsUpToDate)
{
// load norms
for (int i = 0; i < fieldNormsChanged.Length; i++)
{
// copy unchanged norms to the cloned reader and incRef those norms
if (!fieldNormsChanged[i])
{
System.String curField = fieldInfos.FieldInfo(i).name;
Norm norm = (Norm)this.norms[curField];
norm.IncRef();
clone.norms[curField] = norm;
}
}
clone.OpenNorms(si.GetUseCompoundFile() ? cfsReader : Directory(), readBufferSize);
}
else
{
System.Collections.IEnumerator it = norms.Keys.GetEnumerator();
while (it.MoveNext())
{
System.String field = (System.String)it.Current;
Norm norm = (Norm)norms[field];
norm.IncRef();
clone.norms[field] = norm;
}
}
if (clone.singleNormStream == null)
{
for (int i = 0; i < fieldInfos.Size(); i++)
{
FieldInfo fi = fieldInfos.FieldInfo(i);
if (fi.isIndexed && !fi.omitNorms)
{
Directory d = si.GetUseCompoundFile() ? cfsReader : Directory();
System.String fileName = si.GetNormFileName(fi.number);
if (si.HasSeparateNorms(fi.number))
{
continue;
}
if (fileName.EndsWith("." + IndexFileNames.NORMS_EXTENSION))
{
clone.singleNormStream = d.OpenInput(fileName, readBufferSize);
break;
}
}
}
}
success = true;
}
finally
{
if (this.referencedSegmentReader != null)
{
// this reader shares resources with another SegmentReader,
// so we increment the other readers refCount. We don't
// increment the refCount of the norms because we did
// that already for the shared norms
clone.referencedSegmentReader = this.referencedSegmentReader;
referencedSegmentReader.IncRefReaderNotNorms();
}
else
{
// this reader wasn't reopened, so we increment this
// readers refCount
clone.referencedSegmentReader = this;
IncRefReaderNotNorms();
}
if (!success)
{
// An exception occured during reopen, we have to decRef the norms
// that we incRef'ed already and close singleNormsStream and FieldsReader
clone.DecRef();
}
}
return(clone);
}
}
/// <summary>Returns true if index is clean, else false.</summary>
public static bool Check(Directory dir, bool doFix)
{
System.Globalization.NumberFormatInfo nf = System.Globalization.CultureInfo.CurrentCulture.NumberFormat;
SegmentInfos sis = new SegmentInfos();
try
{
sis.Read(dir);
}
catch (System.Exception t)
{
out_Renamed.WriteLine("ERROR: could not read any segments file in directory");
out_Renamed.Write(t.StackTrace);
out_Renamed.Flush();
return(false);
}
int numSegments = sis.Count;
System.String segmentsFileName = sis.GetCurrentSegmentFileName();
IndexInput input = null;
try
{
input = dir.OpenInput(segmentsFileName);
}
catch (System.Exception t)
{
out_Renamed.WriteLine("ERROR: could not open segments file in directory");
out_Renamed.Write(t.StackTrace);
out_Renamed.Flush();
return(false);
}
int format = 0;
try
{
format = input.ReadInt();
}
catch (System.Exception t)
{
out_Renamed.WriteLine("ERROR: could not read segment file version in directory");
out_Renamed.Write(t.StackTrace);
out_Renamed.Flush();
return(false);
}
finally
{
if (input != null)
{
input.Close();
}
}
System.String sFormat = "";
bool skip = false;
if (format == SegmentInfos.FORMAT)
{
sFormat = "FORMAT [Lucene Pre-2.1]";
}
if (format == SegmentInfos.FORMAT_LOCKLESS)
{
sFormat = "FORMAT_LOCKLESS [Lucene 2.1]";
}
else if (format == SegmentInfos.FORMAT_SINGLE_NORM_FILE)
{
sFormat = "FORMAT_SINGLE_NORM_FILE [Lucene 2.2]";
}
else if (format == SegmentInfos.FORMAT_SHARED_DOC_STORE)
{
sFormat = "FORMAT_SHARED_DOC_STORE [Lucene 2.3]";
}
else if (format < SegmentInfos.FORMAT_SHARED_DOC_STORE)
{
sFormat = "int=" + format + " [newer version of Lucene than this tool]";
skip = true;
}
else
{
sFormat = format + " [Lucene 1.3 or prior]";
}
out_Renamed.WriteLine("Segments file=" + segmentsFileName + " numSegments=" + numSegments + " version=" + sFormat);
if (skip)
{
out_Renamed.WriteLine("\nERROR: this index appears to be created by a newer version of Lucene than this tool was compiled on; please re-compile this tool on the matching version of Lucene; exiting");
return(false);
}
SegmentInfos newSIS = (SegmentInfos)sis.Clone();
newSIS.Clear();
bool changed = false;
int totLoseDocCount = 0;
int numBadSegments = 0;
for (int i = 0; i < numSegments; i++)
{
SegmentInfo info = sis.Info(i);
out_Renamed.WriteLine(" " + (1 + i) + " of " + numSegments + ": name=" + info.name + " docCount=" + info.docCount);
int toLoseDocCount = info.docCount;
SegmentReader reader = null;
try
{
out_Renamed.WriteLine(" compound=" + info.GetUseCompoundFile());
out_Renamed.WriteLine(" numFiles=" + info.Files().Count);
out_Renamed.WriteLine(String.Format(nf, " size (MB)={0:f}", new Object[] { (info.SizeInBytes() / (1024.0 * 1024.0)) }));
int docStoreOffset = info.GetDocStoreOffset();
if (docStoreOffset != -1)
{
out_Renamed.WriteLine(" docStoreOffset=" + docStoreOffset);
out_Renamed.WriteLine(" docStoreSegment=" + info.GetDocStoreSegment());
out_Renamed.WriteLine(" docStoreIsCompoundFile=" + info.GetDocStoreIsCompoundFile());
}
System.String delFileName = info.GetDelFileName();
if (delFileName == null)
{
out_Renamed.WriteLine(" no deletions");
}
else
{
out_Renamed.WriteLine(" has deletions [delFileName=" + delFileName + "]");
}
out_Renamed.Write(" test: open reader.........");
reader = SegmentReader.Get(info);
int numDocs = reader.NumDocs();
toLoseDocCount = numDocs;
if (reader.HasDeletions())
{
out_Renamed.WriteLine("OK [" + (info.docCount - numDocs) + " deleted docs]");
}
else
{
out_Renamed.WriteLine("OK");
}
out_Renamed.Write(" test: fields, norms.......");
System.Collections.IDictionary fieldNames = (System.Collections.IDictionary)reader.GetFieldNames(IndexReader.FieldOption.ALL);
System.Collections.IEnumerator it = fieldNames.Keys.GetEnumerator();
while (it.MoveNext())
{
System.String fieldName = (System.String)it.Current;
byte[] b = reader.Norms(fieldName);
if (b.Length != info.docCount)
{
throw new System.SystemException("norms for field \"" + fieldName + "\" is length " + b.Length + " != maxDoc " + info.docCount);
}
}
out_Renamed.WriteLine("OK [" + fieldNames.Count + " fields]");
out_Renamed.Write(" test: terms, freq, prox...");
TermEnum termEnum = reader.Terms();
TermPositions termPositions = reader.TermPositions();
// Used only to count up # deleted docs for this
// term
MySegmentTermDocs myTermDocs = new MySegmentTermDocs(reader);
long termCount = 0;
long totFreq = 0;
long totPos = 0;
while (termEnum.Next())
{
termCount++;
Term term = termEnum.Term();
int docFreq = termEnum.DocFreq();
termPositions.Seek(term);
int lastDoc = -1;
int freq0 = 0;
totFreq += docFreq;
while (termPositions.Next())
{
freq0++;
int doc = termPositions.Doc();
int freq = termPositions.Freq();
if (doc <= lastDoc)
{
throw new System.SystemException("term " + term + ": doc " + doc + " < lastDoc " + lastDoc);
}
lastDoc = doc;
if (freq <= 0)
{
throw new System.SystemException("term " + term + ": doc " + doc + ": freq " + freq + " is out of bounds");
}
int lastPos = -1;
totPos += freq;
for (int j = 0; j < freq; j++)
{
int pos = termPositions.NextPosition();
if (pos < 0)
{
throw new System.SystemException("term " + term + ": doc " + doc + ": pos " + pos + " is out of bounds");
}
if (pos <= lastPos)
{
throw new System.SystemException("term " + term + ": doc " + doc + ": pos " + pos + " < lastPos " + lastPos);
}
}
}
// Now count how many deleted docs occurred in
// this term:
int delCount;
if (reader.HasDeletions())
{
myTermDocs.Seek(term);
while (myTermDocs.Next())
{
}
delCount = myTermDocs.delCount;
}
else
{
delCount = 0;
}
if (freq0 + delCount != docFreq)
{
throw new System.SystemException("term " + term + " docFreq=" + docFreq + " != num docs seen " + freq0 + " + num docs deleted " + delCount);
}
}
out_Renamed.WriteLine("OK [" + termCount + " terms; " + totFreq + " terms/docs pairs; " + totPos + " tokens]");
out_Renamed.Write(" test: stored fields.......");
int docCount = 0;
long totFields = 0;
for (int j = 0; j < info.docCount; j++)
{
if (!reader.IsDeleted(j))
{
docCount++;
Document doc = reader.Document(j);
totFields += doc.GetFields().Count;
}
}
if (docCount != reader.NumDocs())
{
throw new System.SystemException("docCount=" + docCount + " but saw " + docCount + " undeleted docs");
}
out_Renamed.WriteLine(String.Format(nf, "OK [{0:d} total field count; avg {1:f} fields per doc]", new Object[] { totFields, (((float)totFields) / docCount) }));
out_Renamed.Write(" test: term vectors........");
int totVectors = 0;
for (int j = 0; j < info.docCount; j++)
{
if (!reader.IsDeleted(j))
{
TermFreqVector[] tfv = reader.GetTermFreqVectors(j);
if (tfv != null)
{
totVectors += tfv.Length;
}
}
}
out_Renamed.WriteLine(String.Format(nf, "OK [{0:d} total vector count; avg {1:f} term/freq vector fields per doc]", new Object[] { totVectors, (((float)totVectors) / docCount) }));
out_Renamed.WriteLine("");
}
catch (System.Exception t)
{
out_Renamed.WriteLine("FAILED");
System.String comment;
if (doFix)
{
comment = "will remove reference to this segment (-fix is specified)";
}
else
{
comment = "would remove reference to this segment (-fix was not specified)";
}
out_Renamed.WriteLine(" WARNING: " + comment + "; full exception:");
out_Renamed.Write(t.StackTrace);
out_Renamed.Flush();
out_Renamed.WriteLine("");
totLoseDocCount += toLoseDocCount;
numBadSegments++;
changed = true;
continue;
}
finally
{
if (reader != null)
{
reader.Close();
}
}
// Keeper
newSIS.Add(info.Clone());
}
if (!changed)
{
out_Renamed.WriteLine("No problems were detected with this index.\n");
return(true);
}
else
{
out_Renamed.WriteLine("WARNING: " + numBadSegments + " broken segments detected");
if (doFix)
{
out_Renamed.WriteLine("WARNING: " + totLoseDocCount + " documents will be lost");
}
else
{
out_Renamed.WriteLine("WARNING: " + totLoseDocCount + " documents would be lost if -fix were specified");
}
out_Renamed.WriteLine();
}
if (doFix)
{
out_Renamed.WriteLine("NOTE: will write new segments file in 5 seconds; this will remove " + totLoseDocCount + " docs from the index. THIS IS YOUR LAST CHANCE TO CTRL+C!");
for (int i = 0; i < 5; i++)
{
try
{
System.Threading.Thread.Sleep(new System.TimeSpan((System.Int64) 10000 * 1000));
}
catch (System.Threading.ThreadInterruptedException)
{
SupportClass.ThreadClass.Current().Interrupt();
i--;
continue;
}
out_Renamed.WriteLine(" " + (5 - i) + "...");
}
out_Renamed.Write("Writing...");
try
{
newSIS.Write(dir);
}
catch (System.Exception t)
{
out_Renamed.WriteLine("FAILED; exiting");
out_Renamed.Write(t.StackTrace);
out_Renamed.Flush();
return(false);
}
out_Renamed.WriteLine("OK");
out_Renamed.WriteLine("Wrote new segments file \"" + newSIS.GetCurrentSegmentFileName() + "\"");
}
else
{
out_Renamed.WriteLine("NOTE: would write new segments file [-fix was not specified]");
}
out_Renamed.WriteLine("");
return(false);
}
private void Initialize(SegmentInfo si)
{
segment = si.name;
this.si = si;
bool success = false;
try
{
// Use compound file directory for some files, if it exists
Directory cfsDir = Directory();
if (si.GetUseCompoundFile())
{
cfsReader = new CompoundFileReader(Directory(), segment + ".cfs");
cfsDir = cfsReader;
}
// No compound file exists - use the multi-file format
fieldInfos = new FieldInfos(cfsDir, segment + ".fnm");
fieldsReader = new FieldsReader(cfsDir, segment, fieldInfos);
// Verify two sources of "maxDoc" agree:
if (fieldsReader.Size() != si.docCount)
{
throw new System.SystemException("doc counts differ for segment " + si.name + ": fieldsReader shows " + fieldsReader.Size() + " but segmentInfo shows " + si.docCount);
}
tis = new TermInfosReader(cfsDir, segment, fieldInfos);
// NOTE: the bitvector is stored using the regular directory, not cfs
if (HasDeletions(si))
{
deletedDocs = new BitVector(Directory(), si.GetDelFileName());
// Verify # deletes does not exceed maxDoc for this segment:
if (deletedDocs.Count() > MaxDoc())
{
throw new System.SystemException("number of deletes (" + deletedDocs.Count() + ") exceeds max doc (" + MaxDoc() + ") for segment " + si.name);
}
}
// make sure that all index files have been read or are kept open
// so that if an index update removes them we'll still have them
freqStream = cfsDir.OpenInput(segment + ".frq");
proxStream = cfsDir.OpenInput(segment + ".prx");
OpenNorms(cfsDir);
if (fieldInfos.HasVectors())
{
// open term vector files only as needed
termVectorsReaderOrig = new TermVectorsReader(cfsDir, segment, fieldInfos);
}
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)
{
DoClose();
}
}
}
internal virtual SegmentReader ReopenSegment(SegmentInfo si)
{
lock (this)
{
bool deletionsUpToDate = (this.si.HasDeletions() == si.HasDeletions()) && (!si.HasDeletions() || this.si.GetDelFileName().Equals(si.GetDelFileName()));
bool normsUpToDate = true;
bool[] fieldNormsChanged = new bool[fieldInfos.Size()];
if (normsUpToDate)
{
for (int i = 0; i < fieldInfos.Size(); i++)
{
if (!this.si.GetNormFileName(i).Equals(si.GetNormFileName(i)))
{
normsUpToDate = false;
fieldNormsChanged[i] = true;
}
}
}
if (normsUpToDate && deletionsUpToDate)
{
return this;
}
// clone reader
SegmentReader clone;
if (readOnly)
clone = new ReadOnlySegmentReader();
else
clone = new SegmentReader();
bool success = false;
try
{
clone.readOnly = readOnly;
clone.directory = directory;
clone.si = si;
clone.segment = segment;
clone.readBufferSize = readBufferSize;
clone.cfsReader = cfsReader;
clone.storeCFSReader = storeCFSReader;
clone.fieldInfos = fieldInfos;
clone.tis = tis;
clone.freqStream = freqStream;
clone.proxStream = proxStream;
clone.termVectorsReaderOrig = termVectorsReaderOrig;
// we have to open a new FieldsReader, because it is not thread-safe
// and can thus not be shared among multiple SegmentReaders
// TODO: Change this in case FieldsReader becomes thread-safe in the future
System.String fieldsSegment;
Directory storeDir = Directory();
if (si.GetDocStoreOffset() != - 1)
{
fieldsSegment = si.GetDocStoreSegment();
if (storeCFSReader != null)
{
storeDir = storeCFSReader;
}
}
else
{
fieldsSegment = segment;
if (cfsReader != null)
{
storeDir = cfsReader;
}
}
if (fieldsReader != null)
{
clone.fieldsReader = new FieldsReader(storeDir, fieldsSegment, fieldInfos, readBufferSize, si.GetDocStoreOffset(), si.docCount);
}
if (!deletionsUpToDate)
{
// load deleted docs
clone.deletedDocs = null;
clone.LoadDeletedDocs();
}
else
{
clone.deletedDocs = this.deletedDocs;
}
clone.norms = new System.Collections.Hashtable();
if (!normsUpToDate)
{
// load norms
for (int i = 0; i < fieldNormsChanged.Length; i++)
{
// copy unchanged norms to the cloned reader and incRef those norms
if (!fieldNormsChanged[i])
{
System.String curField = fieldInfos.FieldInfo(i).name;
Norm norm = (Norm) this.norms[curField];
norm.IncRef();
clone.norms[curField] = norm;
}
}
clone.OpenNorms(si.GetUseCompoundFile() ? cfsReader : Directory(), readBufferSize);
}
else
{
System.Collections.IEnumerator it = norms.Keys.GetEnumerator();
while (it.MoveNext())
{
System.String field = (System.String) it.Current;
Norm norm = (Norm) norms[field];
norm.IncRef();
clone.norms[field] = norm;
}
}
if (clone.singleNormStream == null)
{
for (int i = 0; i < fieldInfos.Size(); i++)
{
FieldInfo fi = fieldInfos.FieldInfo(i);
if (fi.isIndexed && !fi.omitNorms)
{
Directory d = si.GetUseCompoundFile() ? cfsReader : Directory();
System.String fileName = si.GetNormFileName(fi.number);
if (si.HasSeparateNorms(fi.number))
{
continue;
}
if (fileName.EndsWith("." + IndexFileNames.NORMS_EXTENSION))
{
clone.singleNormStream = d.OpenInput(fileName, readBufferSize);
break;
}
}
}
}
success = true;
}
finally
{
if (this.referencedSegmentReader != null)
{
// this reader shares resources with another SegmentReader,
// so we increment the other readers refCount. We don't
// increment the refCount of the norms because we did
// that already for the shared norms
clone.referencedSegmentReader = this.referencedSegmentReader;
referencedSegmentReader.IncRefReaderNotNorms();
}
else
{
// this reader wasn't reopened, so we increment this
// readers refCount
clone.referencedSegmentReader = this;
IncRefReaderNotNorms();
}
if (!success)
{
// An exception occured during reopen, we have to decRef the norms
// that we incRef'ed already and close singleNormsStream and FieldsReader
clone.DecRef();
}
}
return clone;
}
}
/// <summary>Determine index files that are no longer referenced
/// and therefore should be deleted. This is called once
/// (by the writer), and then subsequently we add onto
/// deletable any files that are no longer needed at the
/// point that we create the unused file (eg when merging
/// segments), and we only remove from deletable when a
/// file is successfully deleted.
/// </summary>
public void FindDeletableFiles()
{
// Gather all "current" segments:
System.Collections.Hashtable current = new System.Collections.Hashtable();
for (int j = 0; j < segmentInfos.Count; j++)
{
SegmentInfo segmentInfo = (SegmentInfo)segmentInfos[j];
current[segmentInfo.name] = segmentInfo;
}
// Then go through all files in the Directory that are
// Lucene index files, and add to deletable if they are
// not referenced by the current segments info:
System.String segmentsInfosFileName = segmentInfos.GetCurrentSegmentFileName();
IndexFileNameFilter filter = IndexFileNameFilter.GetFilter();
System.String[] files = directory.List();
for (int i = 0; i < files.Length; i++)
{
if (filter.Accept(null, files[i]) && !files[i].Equals(segmentsInfosFileName) && !files[i].Equals(IndexFileNames.SEGMENTS_GEN))
{
System.String segmentName;
System.String extension;
// First remove any extension:
int loc = files[i].IndexOf((System.Char) '.');
if (loc != -1)
{
extension = files[i].Substring(1 + loc);
segmentName = files[i].Substring(0, (loc) - (0));
}
else
{
extension = null;
segmentName = files[i];
}
// Then, remove any generation count:
loc = segmentName.IndexOf((System.Char) '_', 1);
if (loc != -1)
{
segmentName = segmentName.Substring(0, (loc) - (0));
}
// Delete this file if it's not a "current" segment,
// or, it is a single index file but there is now a
// corresponding compound file:
bool doDelete = false;
if (!current.ContainsKey(segmentName))
{
// Delete if segment is not referenced:
doDelete = true;
}
else
{
// OK, segment is referenced, but file may still
// be orphan'd:
SegmentInfo info = (SegmentInfo)current[segmentName];
if (filter.IsCFSFile(files[i]) && info.GetUseCompoundFile())
{
// This file is in fact stored in a CFS file for
// this segment:
doDelete = true;
}
else
{
Pattern p = new System.Text.RegularExpressions.Regex("s\\d+");
if ("del".Equals(extension))
{
// This is a _segmentName_N.del file:
if (!files[i].Equals(info.GetDelFileName()))
{
// If this is a seperate .del file, but it
// doesn't match the current del filename for
// this segment, then delete it:
doDelete = true;
}
}
else if (extension != null && extension.StartsWith("s") && p.Match(extension).Success)
{
int field = System.Int32.Parse(extension.Substring(1));
// This is a _segmentName_N.sX file:
if (!files[i].Equals(info.GetNormFileName(field)))
{
// This is an orphan'd separate norms file:
doDelete = true;
}
}
else if ("cfs".Equals(extension) && !info.GetUseCompoundFile())
{
// This is a partially written
// _segmentName.cfs:
doDelete = true;
}
}
}
if (doDelete)
{
AddDeletableFile(files[i]);
if (infoStream != null)
{
infoStream.WriteLine("IndexFileDeleter: file \"" + files[i] + "\" is unreferenced in index and will be deleted on next commit");
}
}
}
}
}
