/// <summary> Should internally checkpoint state that will change
/// during commit so that we can rollback if necessary.
/// </summary>
internal virtual void StartCommit()
{
if (directoryOwner)
{
rollbackSegmentInfos = (SegmentInfos)segmentInfos.Clone();
}
rollbackHasChanges = hasChanges;
}
/// <summary> Should internally checkpoint state that will change
/// during commit so that we can rollback if necessary.
/// </summary>
internal virtual void StartCommit()
{
if (segmentInfos != null)
{
rollbackSegmentInfos = (SegmentInfos) segmentInfos.Clone();
}
rollbackHasChanges = hasChanges;
}
/// <summary>Returns a <see cref="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(List<string> 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;
var 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.UserData;
System.String userDataString;
if (sis.UserData.Count > 0)
{
userDataString = " userData=" + CollectionsHelper.CollectionToString(sis.UserData);
}
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:");
foreach(string s in onlySegments)
{
if (infoStream != null)
{
infoStream.Write(" " + s);
}
}
result.segmentsChecked.AddRange(onlySegments);
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;
var 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.HasProx);
segInfoStat.hasProx = info.HasProx;
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);
IDictionary<string, string> diagnostics = info.Diagnostics;
segInfoStat.diagnostics = diagnostics;
if (diagnostics.Count > 0)
{
Msg(" diagnostics = " + CollectionsHelper.CollectionToString(diagnostics));
}
int docStoreOffset = info.DocStoreOffset;
if (docStoreOffset != - 1)
{
Msg(" docStoreOffset=" + docStoreOffset);
segInfoStat.docStoreOffset = docStoreOffset;
Msg(" docStoreSegment=" + info.DocStoreSegment);
segInfoStat.docStoreSegment = info.DocStoreSegment;
Msg(" docStoreIsCompoundFile=" + info.DocStoreIsCompoundFile);
segInfoStat.docStoreCompoundFile = info.DocStoreIsCompoundFile;
}
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(true, info, IndexReader.DEFAULT_TERMS_INDEX_DIVISOR);
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..............");
}
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 SystemException("Field Norm test failed");
}
else if (segInfoStat.termIndexStatus.error != null)
{
throw new SystemException("Term Index test failed");
}
else if (segInfoStat.storedFieldStatus.error != null)
{
throw new 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");
const string 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((SegmentInfo)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;
}
/// <summary>
/// Used by near real-time search </summary>
internal static DirectoryReader Open(IndexWriter writer, SegmentInfos infos, bool applyAllDeletes)
{
// IndexWriter synchronizes externally before calling
// us, which ensures infos will not change; so there's
// no need to process segments in reverse order
int numSegments = infos.Count;
IList <SegmentReader> readers = new List <SegmentReader>();
Directory dir = writer.Directory;
SegmentInfos segmentInfos = (SegmentInfos)infos.Clone();
int infosUpto = 0;
bool success = false;
try
{
for (int i = 0; i < numSegments; i++)
{
// NOTE: important that we use infos not
// segmentInfos here, so that we are passing the
// actual instance of SegmentInfoPerCommit in
// IndexWriter's segmentInfos:
SegmentCommitInfo info = infos.Info(i);
Debug.Assert(info.Info.Dir == dir);
ReadersAndUpdates rld = writer.readerPool.Get(info, true);
try
{
SegmentReader reader = rld.GetReadOnlyClone(IOContext.READ);
if (reader.NumDocs > 0 || writer.KeepFullyDeletedSegments)
{
// Steal the ref:
readers.Add(reader);
infosUpto++;
}
else
{
reader.DecRef();
segmentInfos.Remove(infosUpto);
}
}
finally
{
writer.readerPool.Release(rld);
}
}
writer.IncRefDeleter(segmentInfos);
StandardDirectoryReader result = new StandardDirectoryReader(dir, readers.ToArray(), writer, segmentInfos, writer.Config.ReaderTermsIndexDivisor, applyAllDeletes);
success = true;
return(result);
}
finally
{
if (!success)
{
foreach (SegmentReader r in readers)
{
try
{
r.DecRef();
}
#pragma warning disable 168
catch (Exception th)
#pragma warning restore 168
{
// ignore any exception that is thrown here to not mask any original
// exception.
}
}
}
}
}
/// <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);
}
private void SetRollbackSegmentInfos(SegmentInfos infos)
{
lock (this)
{
rollbackSegmentInfos = (SegmentInfos) infos.Clone();
System.Diagnostics.Debug.Assert(!rollbackSegmentInfos.HasExternalSegments(directory));
rollbackSegments = new System.Collections.Hashtable();
int size = rollbackSegmentInfos.Count;
for (int i = 0; i < size; i++)
rollbackSegments[rollbackSegmentInfos.Info(i)] = (System.Int32) i;
}
}
/// <summary>
/// Returns a <seealso cref="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 DoCheckIndex(IList<string> onlySegments)
{
NumberFormatInfo nf = CultureInfo.CurrentCulture.NumberFormat;
SegmentInfos sis = new SegmentInfos();
Status result = new Status();
result.Dir = Dir;
try
{
sis.Read(Dir);
}
catch (Exception t)
{
Msg(infoStream, "ERROR: could not read any segments file in directory");
result.MissingSegments = true;
if (infoStream != null)
{
// LUCENENET NOTE: Some tests rely on the error type being in
// the message. We can't get the error type with StackTrace, we
// need ToString() for that.
infoStream.WriteLine(t.ToString());
//infoStream.WriteLine(t.StackTrace);
}
return result;
}
// find the oldest and newest segment versions
string oldest = Convert.ToString(int.MaxValue), newest = Convert.ToString(int.MinValue);
string oldSegs = null;
bool foundNonNullVersion = false;
IComparer<string> versionComparator = StringHelper.VersionComparator;
foreach (SegmentCommitInfo si in sis.Segments)
{
string version = si.Info.Version;
if (version == null)
{
// pre-3.1 segment
oldSegs = "pre-3.1";
}
else
{
foundNonNullVersion = true;
if (versionComparator.Compare(version, oldest) < 0)
{
oldest = version;
}
if (versionComparator.Compare(version, newest) > 0)
{
newest = version;
}
}
}
int numSegments = sis.Size();
string segmentsFileName = sis.SegmentsFileName;
// note: we only read the format byte (required preamble) here!
IndexInput input = null;
try
{
input = Dir.OpenInput(segmentsFileName, IOContext.READONCE);
}
catch (Exception t)
{
Msg(infoStream, "ERROR: could not open segments file in directory");
if (infoStream != null)
{
// LUCENENET NOTE: Some tests rely on the error type being in
// the message. We can't get the error type with StackTrace, we
// need ToString() for that.
infoStream.WriteLine(t.ToString());
//infoStream.WriteLine(t.StackTrace);
}
result.CantOpenSegments = true;
return result;
}
int format = 0;
try
{
format = input.ReadInt();
}
catch (Exception t)
{
Msg(infoStream, "ERROR: could not read segment file version in directory");
if (infoStream != null)
{
// LUCENENET NOTE: Some tests rely on the error type being in
// the message. We can't get the error type with StackTrace, we
// need ToString() for that.
infoStream.WriteLine(t.ToString());
//infoStream.WriteLine(t.StackTrace);
}
result.MissingSegmentVersion = true;
return result;
}
finally
{
if (input != null)
{
input.Dispose();
}
}
string sFormat = "";
bool skip = false;
result.SegmentsFileName = segmentsFileName;
result.NumSegments = numSegments;
result.UserData = sis.UserData;
string userDataString;
if (sis.UserData.Count > 0)
{
userDataString = " userData=" + sis.UserData;
}
else
{
userDataString = "";
}
string versionString = null;
if (oldSegs != null)
{
if (foundNonNullVersion)
{
versionString = "versions=[" + oldSegs + " .. " + newest + "]";
}
else
{
versionString = "version=" + oldSegs;
}
}
else
{
versionString = oldest.Equals(newest) ? ("version=" + oldest) : ("versions=[" + oldest + " .. " + newest + "]");
}
Msg(infoStream, "Segments file=" + segmentsFileName + " numSegments=" + numSegments + " " + versionString + " format=" + sFormat + userDataString);
if (onlySegments != null)
{
result.Partial = true;
if (infoStream != null)
{
infoStream.Write("\nChecking only these segments:");
foreach (string s in onlySegments)
{
infoStream.Write(" " + s);
}
}
result.SegmentsChecked.AddRange(onlySegments);
Msg(infoStream, ":");
}
if (skip)
{
Msg(infoStream, "\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();
result.MaxSegmentName = -1;
for (int i = 0; i < numSegments; i++)
{
SegmentCommitInfo info = sis.Info(i);
int segmentName = 0;
try
{
segmentName = int.Parse /*Convert.ToInt32*/(info.Info.Name.Substring(1));
}
catch
{
}
if (segmentName > result.MaxSegmentName)
{
result.MaxSegmentName = segmentName;
}
if (onlySegments != null && !onlySegments.Contains(info.Info.Name))
{
continue;
}
Status.SegmentInfoStatus segInfoStat = new Status.SegmentInfoStatus();
result.SegmentInfos.Add(segInfoStat);
Msg(infoStream, " " + (1 + i) + " of " + numSegments + ": name=" + info.Info.Name + " docCount=" + info.Info.DocCount);
segInfoStat.Name = info.Info.Name;
segInfoStat.DocCount = info.Info.DocCount;
string version = info.Info.Version;
if (info.Info.DocCount <= 0 && version != null && versionComparator.Compare(version, "4.5") >= 0)
{
throw new Exception("illegal number of documents: maxDoc=" + info.Info.DocCount);
}
int toLoseDocCount = info.Info.DocCount;
AtomicReader reader = null;
try
{
Codec codec = info.Info.Codec;
Msg(infoStream, " codec=" + codec);
segInfoStat.Codec = codec;
Msg(infoStream, " compound=" + info.Info.UseCompoundFile);
segInfoStat.Compound = info.Info.UseCompoundFile;
Msg(infoStream, " numFiles=" + info.Files().Count);
segInfoStat.NumFiles = info.Files().Count;
segInfoStat.SizeMB = info.SizeInBytes() / (1024.0 * 1024.0);
if (info.Info.GetAttribute(Lucene3xSegmentInfoFormat.DS_OFFSET_KEY) == null)
{
// don't print size in bytes if its a 3.0 segment with shared docstores
Msg(infoStream, " size (MB)=" + segInfoStat.SizeMB.ToString(nf));
}
IDictionary<string, string> diagnostics = info.Info.Diagnostics;
segInfoStat.Diagnostics = diagnostics;
if (diagnostics.Count > 0)
{
Msg(infoStream, " diagnostics = " + diagnostics);
}
if (!info.HasDeletions())
{
Msg(infoStream, " no deletions");
segInfoStat.HasDeletions = false;
}
else
{
Msg(infoStream, " has deletions [delGen=" + info.DelGen + "]");
segInfoStat.HasDeletions = true;
segInfoStat.DeletionsGen = info.DelGen;
}
if (infoStream != null)
{
infoStream.Write(" test: open reader.........");
}
reader = new SegmentReader(info, DirectoryReader.DEFAULT_TERMS_INDEX_DIVISOR, IOContext.DEFAULT);
Msg(infoStream, "OK");
segInfoStat.OpenReaderPassed = true;
if (infoStream != null)
{
infoStream.Write(" test: check integrity.....");
}
reader.CheckIntegrity();
Msg(infoStream, "OK");
if (infoStream != null)
{
infoStream.Write(" test: check live docs.....");
}
int numDocs = reader.NumDocs;
toLoseDocCount = numDocs;
if (reader.HasDeletions)
{
if (reader.NumDocs != info.Info.DocCount - info.DelCount)
{
throw new Exception("delete count mismatch: info=" + (info.Info.DocCount - info.DelCount) + " vs reader=" + reader.NumDocs);
}
if ((info.Info.DocCount - reader.NumDocs) > reader.MaxDoc)
{
throw new Exception("too many deleted docs: maxDoc()=" + reader.MaxDoc + " vs del count=" + (info.Info.DocCount - reader.NumDocs));
}
if (info.Info.DocCount - numDocs != info.DelCount)
{
throw new Exception("delete count mismatch: info=" + info.DelCount + " vs reader=" + (info.Info.DocCount - numDocs));
}
Bits liveDocs = reader.LiveDocs;
if (liveDocs == null)
{
throw new Exception("segment should have deletions, but liveDocs is null");
}
else
{
int numLive = 0;
for (int j = 0; j < liveDocs.Length(); j++)
{
if (liveDocs.Get(j))
{
numLive++;
}
}
if (numLive != numDocs)
{
throw new Exception("liveDocs count mismatch: info=" + numDocs + ", vs bits=" + numLive);
}
}
segInfoStat.NumDeleted = info.Info.DocCount - numDocs;
Msg(infoStream, "OK [" + (segInfoStat.NumDeleted) + " deleted docs]");
}
else
{
if (info.DelCount != 0)
{
throw new Exception("delete count mismatch: info=" + info.DelCount + " vs reader=" + (info.Info.DocCount - numDocs));
}
Bits liveDocs = reader.LiveDocs;
if (liveDocs != null)
{
// its ok for it to be non-null here, as long as none are set right?
for (int j = 0; j < liveDocs.Length(); j++)
{
if (!liveDocs.Get(j))
{
throw new Exception("liveDocs mismatch: info says no deletions but doc " + j + " is deleted.");
}
}
}
Msg(infoStream, "OK");
}
if (reader.MaxDoc != info.Info.DocCount)
{
throw new Exception("SegmentReader.maxDoc() " + reader.MaxDoc + " != SegmentInfos.docCount " + info.Info.DocCount);
}
// Test getFieldInfos()
if (infoStream != null)
{
infoStream.Write(" test: fields..............");
}
FieldInfos fieldInfos = reader.FieldInfos;
Msg(infoStream, "OK [" + fieldInfos.Size() + " fields]");
segInfoStat.NumFields = fieldInfos.Size();
// Test Field Norms
segInfoStat.FieldNormStatus = TestFieldNorms(reader, infoStream);
// Test the Term Index
segInfoStat.TermIndexStatus = TestPostings(reader, infoStream, Verbose);
// Test Stored Fields
segInfoStat.StoredFieldStatus = TestStoredFields(reader, infoStream);
// Test Term Vectors
segInfoStat.TermVectorStatus = TestTermVectors(reader, infoStream, Verbose, CrossCheckTermVectors_Renamed);
segInfoStat.DocValuesStatus = TestDocValues(reader, infoStream);
// Rethrow the first exception we encountered
// this will cause stats for failed segments to be incremented properly
if (segInfoStat.FieldNormStatus.Error != null)
{
throw new Exception("Field Norm test failed");
}
else if (segInfoStat.TermIndexStatus.Error != null)
{
throw new Exception("Term Index test failed");
}
else if (segInfoStat.StoredFieldStatus.Error != null)
{
throw new Exception("Stored Field test failed");
}
else if (segInfoStat.TermVectorStatus.Error != null)
{
throw new Exception("Term Vector test failed");
}
else if (segInfoStat.DocValuesStatus.Error != null)
{
throw new Exception("DocValues test failed");
}
Msg(infoStream, "");
}
catch (Exception t)
{
Msg(infoStream, "FAILED");
string comment;
comment = "fixIndex() would remove reference to this segment";
Msg(infoStream, " WARNING: " + comment + "; full exception:");
if (infoStream != null)
{
// LUCENENET NOTE: Some tests rely on the error type being in
// the message. We can't get the error type with StackTrace, we
// need ToString() for that.
infoStream.WriteLine(t.ToString());
//infoStream.WriteLine(t.StackTrace);
}
Msg(infoStream, "");
result.TotLoseDocCount += toLoseDocCount;
result.NumBadSegments++;
continue;
}
finally
{
if (reader != null)
{
reader.Dispose();
}
}
// Keeper
result.NewSegments.Add((SegmentCommitInfo)info.Clone());
}
if (0 == result.NumBadSegments)
{
result.Clean = true;
}
else
{
Msg(infoStream, "WARNING: " + result.NumBadSegments + " broken segments (containing " + result.TotLoseDocCount + " documents) detected");
}
if (!(result.ValidCounter = (result.MaxSegmentName < sis.Counter)))
{
result.Clean = false;
result.NewSegments.Counter = result.MaxSegmentName + 1;
Msg(infoStream, "ERROR: Next segment name counter " + sis.Counter + " is not greater than max segment name " + result.MaxSegmentName);
}
if (result.Clean)
{
Msg(infoStream, "No problems were detected with this index.\n");
}
return result;
}
// Used by near real-time search
internal DirectoryReader(IndexWriter writer, SegmentInfos infos, int termInfosIndexDivisor)
{
this.internalDirectory = writer.Directory;
this.readOnly = true;
segmentInfos = infos;
segmentInfosStart = (SegmentInfos) infos.Clone();
this.termInfosIndexDivisor = termInfosIndexDivisor;
if (!readOnly)
{
// We assume that this segments_N was previously
// properly sync'd:
synced.UnionWith(infos.Files(internalDirectory, true));
}
// IndexWriter synchronizes externally before calling
// us, which ensures infos will not change; so there's
// no need to process segments in reverse order
int numSegments = infos.Count;
var readers = new SegmentReader[numSegments];
Directory dir = writer.Directory;
int upto = 0;
for (int i = 0; i < numSegments; i++)
{
bool success = false;
try
{
SegmentInfo info = infos.Info(i);
if (info.dir == dir)
{
readers[upto++] = writer.readerPool.GetReadOnlyClone(info, true, termInfosIndexDivisor);
}
success = true;
}
finally
{
if (!success)
{
// Close all readers we had opened:
for (upto--; upto >= 0; upto--)
{
try
{
readers[upto].Close();
}
catch (System.Exception)
{
// keep going - we want to clean up as much as possible
}
}
}
}
}
this.writer = writer;
if (upto < readers.Length)
{
// This means some segments were in a foreign Directory
var newReaders = new SegmentReader[upto];
Array.Copy(readers, 0, newReaders, 0, upto);
readers = newReaders;
}
Initialize(readers);
}
/// <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 SetRollbackSegmentInfos(SegmentInfos infos)
{
lock (this)
{
rollbackSegmentInfos = (SegmentInfos)infos.Clone();
System.Diagnostics.Debug.Assert(!HasExternalSegments(rollbackSegmentInfos));
rollbackSegments = new Dictionary<SegmentInfo, int>();
int size = rollbackSegmentInfos.Count;
for (int i = 0; i < size; i++)
rollbackSegments[rollbackSegmentInfos.Info(i)] = i;
}
}
/// <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.ICollection fieldNames = reader.GetFieldNames(IndexReader.FieldOption.ALL);
System.Collections.IEnumerator it = fieldNames.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 < -1)
{
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;
}
/// <summary>
/// Used by near real-time search </summary>
internal static DirectoryReader Open(IndexWriter writer, SegmentInfos infos, bool applyAllDeletes)
{
// IndexWriter synchronizes externally before calling
// us, which ensures infos will not change; so there's
// no need to process segments in reverse order
int numSegments = infos.Size();
IList<SegmentReader> readers = new List<SegmentReader>();
Directory dir = writer.Directory;
SegmentInfos segmentInfos = (SegmentInfos)infos.Clone();
int infosUpto = 0;
bool success = false;
try
{
for (int i = 0; i < numSegments; i++)
{
// NOTE: important that we use infos not
// segmentInfos here, so that we are passing the
// actual instance of SegmentInfoPerCommit in
// IndexWriter's segmentInfos:
SegmentCommitInfo info = infos.Info(i);
Debug.Assert(info.Info.Dir == dir);
ReadersAndUpdates rld = writer.readerPool.Get(info, true);
try
{
SegmentReader reader = rld.GetReadOnlyClone(IOContext.READ);
if (reader.NumDocs > 0 || writer.KeepFullyDeletedSegments)
{
// Steal the ref:
readers.Add(reader);
infosUpto++;
}
else
{
reader.DecRef();
segmentInfos.Remove(infosUpto);
}
}
finally
{
writer.readerPool.Release(rld);
}
}
writer.IncRefDeleter(segmentInfos);
StandardDirectoryReader result = new StandardDirectoryReader(dir, readers.ToArray(), writer, segmentInfos, writer.Config.ReaderTermsIndexDivisor, applyAllDeletes);
success = true;
return result;
}
finally
{
if (!success)
{
foreach (SegmentReader r in readers)
{
try
{
r.DecRef();
}
catch (Exception th)
{
// ignore any exception that is thrown here to not mask any original
// exception.
}
}
}
}
}
