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);
}
