public virtual void TestSeek()
{
Directory directory = new RAMDirectory();
IndexWriter writer = new IndexWriter(directory, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
for (int i = 0; i < 10; i++)
{
Document doc = new Document();
doc.Add(new Field(this.field, "a b", Field.Store.YES, Field.Index.ANALYZED));
writer.AddDocument(doc);
}
writer.Close();
IndexReader reader = IndexReader.Open(directory);
TermPositions tp = reader.TermPositions();
tp.Seek(new Term(this.field, "b"));
for (int i = 0; i < 10; i++)
{
tp.Next();
Assert.AreEqual(tp.Doc(), i);
Assert.AreEqual(tp.NextPosition(), 1);
}
tp.Seek(new Term(this.field, "a"));
for (int i = 0; i < 10; i++)
{
tp.Next();
Assert.AreEqual(tp.Doc(), i);
Assert.AreEqual(tp.NextPosition(), 0);
}
}
public virtual void TestPreAnalyzedField()
{
IndexWriter writer = new IndexWriter(dir, new SimpleAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
Document doc = new Document();
doc.Add(new Field("preanalyzed", new AnonymousClassTokenStream(this), TermVector.NO));
writer.AddDocument(doc);
writer.Flush();
SegmentInfo info = writer.NewestSegment();
writer.Close();
SegmentReader reader = SegmentReader.Get(info);
TermPositions termPositions = reader.TermPositions(new Term("preanalyzed", "term1"));
Assert.IsTrue(termPositions.Next());
Assert.AreEqual(1, termPositions.Freq());
Assert.AreEqual(0, termPositions.NextPosition());
termPositions.Seek(new Term("preanalyzed", "term2"));
Assert.IsTrue(termPositions.Next());
Assert.AreEqual(2, termPositions.Freq());
Assert.AreEqual(1, termPositions.NextPosition());
Assert.AreEqual(3, termPositions.NextPosition());
termPositions.Seek(new Term("preanalyzed", "term3"));
Assert.IsTrue(termPositions.Next());
Assert.AreEqual(1, termPositions.Freq());
Assert.AreEqual(2, termPositions.NextPosition());
}
public virtual void TestPositionIncrementGap()
{
Analyzer analyzer = new AnonymousClassAnalyzer(this);
IndexWriter writer = new IndexWriter(dir, analyzer, true, IndexWriter.MaxFieldLength.LIMITED);
Document doc = new Document();
doc.Add(new Field("repeated", "repeated one", Field.Store.YES, Field.Index.ANALYZED));
doc.Add(new Field("repeated", "repeated two", Field.Store.YES, Field.Index.ANALYZED));
writer.AddDocument(doc);
writer.Flush();
SegmentInfo info = writer.NewestSegment();
writer.Close();
SegmentReader reader = SegmentReader.Get(info);
TermPositions termPositions = reader.TermPositions(new Term("repeated", "repeated"));
Assert.IsTrue(termPositions.Next());
int freq = termPositions.Freq();
Assert.AreEqual(2, freq);
Assert.AreEqual(0, termPositions.NextPosition());
Assert.AreEqual(502, termPositions.NextPosition());
}
public virtual void TestTokenReuse()
{
Analyzer analyzer = new AnonymousClassAnalyzer1(this);
IndexWriter writer = new IndexWriter(dir, analyzer, true, IndexWriter.MaxFieldLength.LIMITED);
Document doc = new Document();
doc.Add(new Field("f1", "a 5 a a", Field.Store.YES, Field.Index.ANALYZED));
writer.AddDocument(doc);
writer.Flush();
SegmentInfo info = writer.NewestSegment();
writer.Close();
SegmentReader reader = SegmentReader.Get(info);
TermPositions termPositions = reader.TermPositions(new Term("f1", "a"));
Assert.IsTrue(termPositions.Next());
int freq = termPositions.Freq();
Assert.AreEqual(3, freq);
Assert.AreEqual(0, termPositions.NextPosition());
Assert.AreEqual(true, termPositions.IsPayloadAvailable());
Assert.AreEqual(6, termPositions.NextPosition());
Assert.AreEqual(false, termPositions.IsPayloadAvailable());
Assert.AreEqual(7, termPositions.NextPosition());
Assert.AreEqual(false, termPositions.IsPayloadAvailable());
}
protected virtual void LoadPayload(Term term)
{
byte[] payloadBuf = null;
TermPositions tp = _reader.TermPositions();
tp.Seek(term);
while (tp.Next())
{
if (tp.Freq > 0)
{
tp.NextPosition();
if (tp.IsPayloadAvailable)
{
int len = tp.PayloadLength;
payloadBuf = tp.GetPayload(payloadBuf, 0);
Add(tp.Doc, payloadBuf, len);
}
}
}
// save the last page
while (_curSlot < MAX_SLOTS)
{
_curPage[_curSlot++] = MISSING;
}
_list[_curPageNo] = CopyPage(new int[_curData]); // optimize the page to make getNumItems work
_curPage = null;
}
public override void Load()
{
TermPositions tp = null;
byte[] payloadBuffer = new byte[4]; // four bytes for an int
try
{
tp = _reader.TermPositions(_sizeTerm);
if (tp == null)
{
return;
}
while (tp.Next())
{
if (tp.Freq > 0)
{
tp.NextPosition();
tp.GetPayload(payloadBuffer, 0);
int len = BytesToInt(payloadBuffer);
Allocate(tp.Doc, Math.Min(len, _maxItems), true);
}
}
}
finally
{
if (tp != null)
{
tp.Dispose();
}
}
}
/// <summary>Process postings from multiple segments all positioned on the
/// same term. Writes out merged entries into freqOutput and
/// the proxOutput streams.
///
/// </summary>
/// <param name="smis">array of segments
/// </param>
/// <param name="n">number of cells in the array actually occupied
/// </param>
/// <returns> number of documents across all segments where this term was found
/// </returns>
private int AppendPostings(SegmentMergeInfo[] smis, int n)
{
int lastDoc = 0;
int df = 0; // number of docs w/ term
ResetSkip();
for (int i = 0; i < n; i++)
{
SegmentMergeInfo smi = smis[i];
TermPositions postings = smi.postings;
int base_Renamed = smi.base_Renamed;
int[] docMap = smi.docMap;
postings.Seek(smi.termEnum);
while (postings.Next())
{
int doc = postings.Doc();
if (docMap != null)
{
doc = docMap[doc]; // map around deletions
}
doc += base_Renamed; // convert to merged space
if (doc < lastDoc)
{
throw new System.SystemException("docs out of order");
}
df++;
if ((df % skipInterval) == 0)
{
BufferSkip(lastDoc);
}
int docCode = (doc - lastDoc) << 1; // use low bit to flag freq=1
lastDoc = doc;
int freq = postings.Freq();
if (freq == 1)
{
freqOutput.WriteVInt(docCode | 1); // write doc & freq=1
}
else
{
freqOutput.WriteVInt(docCode); // write doc
freqOutput.WriteVInt(freq); // write frequency in doc
}
int lastPosition = 0; // write position deltas
for (int j = 0; j < freq; j++)
{
int position = postings.NextPosition();
proxOutput.WriteVInt(position - lastPosition);
lastPosition = position;
}
}
}
return(df);
}
public virtual void TestFilterIndexReader_Renamed()
{
RAMDirectory directory = new MockRAMDirectory();
IndexWriter writer = new IndexWriter(directory, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
Document d1 = new Document();
d1.Add(new Field("default", "one two", Field.Store.YES, Field.Index.ANALYZED));
writer.AddDocument(d1);
Document d2 = new Document();
d2.Add(new Field("default", "one three", Field.Store.YES, Field.Index.ANALYZED));
writer.AddDocument(d2);
Document d3 = new Document();
d3.Add(new Field("default", "two four", Field.Store.YES, Field.Index.ANALYZED));
writer.AddDocument(d3);
writer.Close();
IndexReader reader = new TestReader(IndexReader.Open(directory));
Assert.IsTrue(reader.IsOptimized());
TermEnum terms = reader.Terms();
while (terms.Next())
{
Assert.IsTrue(terms.Term().Text().IndexOf('e') != -1);
}
terms.Close();
TermPositions positions = reader.TermPositions(new Term("default", "one"));
while (positions.Next())
{
Assert.IsTrue((positions.Doc() % 2) == 1);
}
int NUM_DOCS = 3;
TermDocs td = reader.TermDocs(null);
for (int i = 0; i < NUM_DOCS; i++)
{
Assert.IsTrue(td.Next());
Assert.AreEqual(i, td.Doc());
Assert.AreEqual(1, td.Freq());
}
td.Close();
reader.Close();
directory.Close();
}
internal bool Next()
{
// increments to next doc
if (!tp.Next())
{
tp.Close(); // close stream
doc = System.Int32.MaxValue; // sentinel value
return(false);
}
doc = tp.Doc;
position = 0;
return(true);
}
/// <summary>Process postings from multiple segments all positioned on the
/// same term. Writes out merged entries into freqOutput and
/// the proxOutput streams.
///
/// </summary>
/// <param name="smis">array of segments
/// </param>
/// <param name="n">number of cells in the array actually occupied
/// </param>
/// <returns> number of documents across all segments where this term was found
/// </returns>
/// <throws> CorruptIndexException if the index is corrupt </throws>
/// <throws> IOException if there is a low-level IO error </throws>
private int AppendPostings(FormatPostingsTermsConsumer termsConsumer, SegmentMergeInfo[] smis, int n)
{
FormatPostingsDocsConsumer docConsumer = termsConsumer.AddTerm(smis[0].term.Text);
int df = 0;
for (int i = 0; i < n; i++)
{
SegmentMergeInfo smi = smis[i];
TermPositions postings = smi.GetPositions();
System.Diagnostics.Debug.Assert(postings != null);
int base_Renamed = smi.base_Renamed;
int[] docMap = smi.GetDocMap();
postings.Seek(smi.termEnum);
while (postings.Next())
{
df++;
int doc = postings.Doc;
if (docMap != null)
{
doc = docMap[doc]; // map around deletions
}
doc += base_Renamed; // convert to merged space
int freq = postings.Freq;
FormatPostingsPositionsConsumer posConsumer = docConsumer.AddDoc(doc, freq);
if (!omitTermFreqAndPositions)
{
for (int j = 0; j < freq; j++)
{
int position = postings.NextPosition();
int payloadLength = postings.PayloadLength;
if (payloadLength > 0)
{
if (payloadBuffer == null || payloadBuffer.Length < payloadLength)
{
payloadBuffer = new byte[payloadLength];
}
postings.GetPayload(payloadBuffer, 0);
}
posConsumer.AddPosition(position, payloadBuffer, 0, payloadLength);
}
posConsumer.Finish();
}
}
}
docConsumer.Finish();
return(df);
}
internal TermPositionsQueue(System.Collections.IList termPositions)
{
Initialize(termPositions.Count);
System.Collections.IEnumerator i = termPositions.GetEnumerator();
while (i.MoveNext())
{
TermPositions tp = (TermPositions)i.Current;
if (tp.Next())
{
Put(tp);
}
}
}
public override bool Next()
{
if (count == freq)
{
if (!internalPositions.Next())
{
internalDoc = int.MaxValue;
return(false);
}
internalDoc = internalPositions.Doc;
freq = internalPositions.Freq;
count = 0;
}
position = internalPositions.NextPosition();
count++;
return(true);
}
/// <summary>
/// Process postings from multiple segments without tf, all positioned on the same term.
/// Writes out merged entries only into freqOutput, proxOut is not written.
/// </summary>
/// <param name="smis">smis array of segments</param>
/// <param name="n">number of cells in the array actually occupied</param>
/// <returns></returns>
private int AppendPostingsNoTf(SegmentMergeInfo[] smis, int n)
{
int lastDoc = 0;
int df = 0; // number of docs w/ term
skipListWriter.ResetSkip();
int lastPayloadLength = -1; // ensures that we write the first length
for (int i = 0; i < n; i++)
{
SegmentMergeInfo smi = smis[i];
TermPositions postings = smi.GetPositions();
System.Diagnostics.Debug.Assert(postings != null);
int base_Renamed = smi.base_Renamed;
int[] docMap = smi.GetDocMap();
postings.Seek(smi.termEnum);
while (postings.Next())
{
int doc = postings.Doc();
if (docMap != null)
{
doc = docMap[doc]; // map around deletions
}
doc += base_Renamed; // convert to merged space
if (doc < 0 || (df > 0 && doc <= lastDoc))
{
throw new CorruptIndexException("docs out of order (" + doc +
" <= " + lastDoc + " )");
}
df++;
if ((df % skipInterval) == 0)
{
skipListWriter.SetSkipData(lastDoc, false, lastPayloadLength);
skipListWriter.BufferSkip(df);
}
int docCode = (doc - lastDoc);
lastDoc = doc;
freqOutput.WriteVInt(docCode); // write doc & freq=1
}
}
return(df);
}
public virtual void TestThreadSafety()
{
rnd = NewRandom();
int numThreads = 5;
int numDocs = 50;
ByteArrayPool pool = new ByteArrayPool(numThreads, 5);
Directory dir = new RAMDirectory();
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), IndexWriter.MaxFieldLength.LIMITED, null);
System.String field = "test";
ThreadClass[] ingesters = new ThreadClass[numThreads];
for (int i = 0; i < numThreads; i++)
{
ingesters[i] = new AnonymousClassThread(numDocs, field, pool, writer, this);
ingesters[i].Start();
}
for (int i = 0; i < numThreads; i++)
{
ingesters[i].Join();
}
writer.Close();
IndexReader reader = IndexReader.Open(dir, true, null);
TermEnum terms = reader.Terms(null);
while (terms.Next(null))
{
TermPositions tp = reader.TermPositions(terms.Term, null);
while (tp.Next(null))
{
int freq = tp.Freq;
for (int i = 0; i < freq; i++)
{
tp.NextPosition(null);
Assert.AreEqual(pool.BytesToString(tp.GetPayload(new byte[5], 0, null)), terms.Term.Text);
}
}
tp.Close();
}
terms.Close();
reader.Close();
Assert.AreEqual(pool.Size(), numThreads);
}
private void PrintSegment(System.IO.StringWriter out_Renamed, System.String segment)
{
Directory directory = FSDirectory.GetDirectory(indexDir, false);
SegmentReader reader = new SegmentReader(new SegmentInfo(segment, 1, directory));
for (int i = 0; i < reader.NumDocs(); i++)
{
out_Renamed.WriteLine(reader.Document(i));
}
TermEnum tis = reader.Terms();
while (tis.Next())
{
out_Renamed.Write(tis.Term());
out_Renamed.WriteLine(" DF=" + tis.DocFreq());
TermPositions positions = reader.TermPositions(tis.Term());
try
{
while (positions.Next())
{
out_Renamed.Write(" doc=" + positions.Doc());
out_Renamed.Write(" TF=" + positions.Freq());
out_Renamed.Write(" pos=");
out_Renamed.Write(positions.NextPosition());
for (int j = 1; j < positions.Freq(); j++)
{
out_Renamed.Write("," + positions.NextPosition());
}
out_Renamed.WriteLine("");
}
}
finally
{
positions.Close();
}
}
tis.Close();
reader.Close();
directory.Close();
}
internal static void PrintSegment(System.String segment)
{
Directory directory = FSDirectory.GetDirectory("test", false);
SegmentReader reader = new SegmentReader(new SegmentInfo(segment, 1, directory));
for (int i = 0; i < reader.NumDocs(); i++)
{
System.Console.Out.WriteLine(reader.Document(i));
}
TermEnum tis = reader.Terms();
while (tis.Next())
{
System.Console.Out.Write(tis.Term());
System.Console.Out.WriteLine(" DF=" + tis.DocFreq());
TermPositions positions = reader.TermPositions(tis.Term());
try
{
while (positions.Next())
{
System.Console.Out.Write(" doc=" + positions.Doc());
System.Console.Out.Write(" TF=" + positions.Freq());
System.Console.Out.Write(" pos=");
System.Console.Out.Write(positions.NextPosition());
for (int j = 1; j < positions.Freq(); j++)
{
System.Console.Out.Write("," + positions.NextPosition());
}
System.Console.Out.WriteLine("");
}
}
finally
{
positions.Close();
}
}
tis.Close();
reader.Close();
directory.Close();
}
public virtual void TestFilterIndexReader_()
{
RAMDirectory directory = new RAMDirectory();
IndexWriter writer = new IndexWriter(directory, new WhitespaceAnalyzer(), true);
Document d1 = new Document();
d1.Add(Field.Text("default", "one two"));
writer.AddDocument(d1);
Document d2 = new Document();
d2.Add(Field.Text("default", "one three"));
writer.AddDocument(d2);
Document d3 = new Document();
d3.Add(Field.Text("default", "two four"));
writer.AddDocument(d3);
writer.Close();
IndexReader reader = new TestReader(IndexReader.Open(directory));
TermEnum terms = reader.Terms();
while (terms.Next())
{
Assert.IsTrue(terms.Term().Text().IndexOf((System.Char) 'e') != -1);
}
terms.Close();
TermPositions positions = reader.TermPositions(new Term("default", "one"));
while (positions.Next())
{
Assert.IsTrue((positions.Doc() % 2) == 1);
}
reader.Close();
}
private void PrintSegment(System.IO.StreamWriter out_Renamed, SegmentInfo si)
{
SegmentReader reader = SegmentReader.Get(si);
for (int i = 0; i < reader.NumDocs(); i++)
{
out_Renamed.WriteLine(reader.Document(i));
}
TermEnum tis = reader.Terms();
while (tis.Next())
{
out_Renamed.Write(tis.Term());
out_Renamed.WriteLine(" DF=" + tis.DocFreq());
TermPositions positions = reader.TermPositions(tis.Term());
try
{
while (positions.Next())
{
out_Renamed.Write(" doc=" + positions.Doc());
out_Renamed.Write(" TF=" + positions.Freq());
out_Renamed.Write(" pos=");
out_Renamed.Write(positions.NextPosition());
for (int j = 1; j < positions.Freq(); j++)
{
out_Renamed.Write("," + positions.NextPosition());
}
out_Renamed.WriteLine("");
}
}
finally
{
positions.Close();
}
}
tis.Close();
reader.Close();
}
private void PrintSegment(System.IO.StreamWriter out_Renamed, SegmentInfo si)
{
SegmentReader reader = SegmentReader.Get(true, si, IndexReader.DEFAULT_TERMS_INDEX_DIVISOR, null);
for (int i = 0; i < reader.NumDocs(); i++)
{
out_Renamed.WriteLine(reader.Document(i, null));
}
TermEnum tis = reader.Terms(null);
while (tis.Next(null))
{
out_Renamed.Write(tis.Term);
out_Renamed.WriteLine(" DF=" + tis.DocFreq());
TermPositions positions = reader.TermPositions(tis.Term, null);
try
{
while (positions.Next(null))
{
out_Renamed.Write(" doc=" + positions.Doc);
out_Renamed.Write(" TF=" + positions.Freq);
out_Renamed.Write(" pos=");
out_Renamed.Write(positions.NextPosition(null));
for (int j = 1; j < positions.Freq; j++)
{
out_Renamed.Write("," + positions.NextPosition(null));
}
out_Renamed.WriteLine("");
}
}
finally
{
positions.Close();
}
}
tis.Close();
reader.Close();
}
/// <summary>Process postings from multiple segments all positioned on the
/// same term. Writes out merged entries into freqOutput and
/// the proxOutput streams.
///
/// </summary>
/// <param name="smis">array of segments
/// </param>
/// <param name="n">number of cells in the array actually occupied
/// </param>
/// <returns> number of documents across all segments where this term was found
/// </returns>
/// <throws> CorruptIndexException if the index is corrupt </throws>
/// <throws> IOException if there is a low-level IO error </throws>
private int AppendPostings(SegmentMergeInfo[] smis, int n)
{
int lastDoc = 0;
int df = 0; // number of docs w/ term
skipListWriter.ResetSkip();
bool storePayloads = fieldInfos.FieldInfo(smis[0].term.field).storePayloads;
int lastPayloadLength = -1; // ensures that we write the first length
for (int i = 0; i < n; i++)
{
SegmentMergeInfo smi = smis[i];
TermPositions postings = smi.GetPositions();
System.Diagnostics.Debug.Assert(postings != null);
int base_Renamed = smi.base_Renamed;
int[] docMap = smi.GetDocMap();
postings.Seek(smi.termEnum);
while (postings.Next())
{
int doc = postings.Doc();
if (docMap != null)
{
doc = docMap[doc]; // map around deletions
}
doc += base_Renamed; // convert to merged space
if (doc < 0 || (df > 0 && doc <= lastDoc))
{
throw new CorruptIndexException("docs out of order (" + doc + " <= " + lastDoc + " )");
}
df++;
if ((df % skipInterval) == 0)
{
skipListWriter.SetSkipData(lastDoc, storePayloads, lastPayloadLength);
skipListWriter.BufferSkip(df);
}
int docCode = (doc - lastDoc) << 1; // use low bit to flag freq=1
lastDoc = doc;
int freq = postings.Freq();
if (freq == 1)
{
freqOutput.WriteVInt(docCode | 1); // write doc & freq=1
}
else
{
freqOutput.WriteVInt(docCode); // write doc
freqOutput.WriteVInt(freq); // write frequency in doc
}
/** See {@link DocumentWriter#writePostings(Posting[], String) for
* documentation about the encoding of positions and payloads
*/
int lastPosition = 0; // write position deltas
for (int j = 0; j < freq; j++)
{
int position = postings.NextPosition();
int delta = position - lastPosition;
if (storePayloads)
{
int payloadLength = postings.GetPayloadLength();
if (payloadLength == lastPayloadLength)
{
proxOutput.WriteVInt(delta * 2);
}
else
{
proxOutput.WriteVInt(delta * 2 + 1);
proxOutput.WriteVInt(payloadLength);
lastPayloadLength = payloadLength;
}
if (payloadLength > 0)
{
if (payloadBuffer == null || payloadBuffer.Length < payloadLength)
{
payloadBuffer = new byte[payloadLength];
}
postings.GetPayload(payloadBuffer, 0);
proxOutput.WriteBytes(payloadBuffer, 0, payloadLength);
}
}
else
{
proxOutput.WriteVInt(delta);
}
lastPosition = position;
}
}
}
return(df);
}
/// <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);
}
/// <summary> Test the term index.</summary>
private Status.TermIndexStatus TestTermIndex(SegmentInfo info, SegmentReader reader)
{
Status.TermIndexStatus status = new Status.TermIndexStatus();
try
{
if (infoStream != null)
{
infoStream.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);
int maxDoc = reader.MaxDoc();
while (termEnum.Next())
{
status.termCount++;
Term term = termEnum.Term();
int docFreq = termEnum.DocFreq();
termPositions.Seek(term);
int lastDoc = -1;
int freq0 = 0;
status.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);
}
if (doc >= maxDoc)
{
throw new System.SystemException("term " + term + ": doc " + doc + " >= maxDoc " + maxDoc);
}
lastDoc = doc;
if (freq <= 0)
{
throw new System.SystemException("term " + term + ": doc " + doc + ": freq " + freq + " is out of bounds");
}
int lastPos = -1;
status.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);
}
}
Msg("OK [" + status.termCount + " terms; " + status.totFreq + " terms/docs pairs; " + status.totPos + " tokens]");
}
catch (System.Exception e)
{
Msg("ERROR [" + System.Convert.ToString(e.Message) + "]");
status.error = e;
if (infoStream != null)
{
infoStream.WriteLine(e.StackTrace);
}
}
return(status);
}
// builds an index with payloads in the given Directory and performs
// different tests to verify the payload encoding
private void PerformTest(Directory dir)
{
PayloadAnalyzer analyzer = new PayloadAnalyzer();
IndexWriter writer = new IndexWriter(dir, analyzer, true, IndexWriter.MaxFieldLength.LIMITED, null);
// should be in sync with value in TermInfosWriter
int skipInterval = 16;
int numTerms = 5;
System.String fieldName = "f1";
int numDocs = skipInterval + 1;
// create content for the test documents with just a few terms
Term[] terms = GenerateTerms(fieldName, numTerms);
System.Text.StringBuilder sb = new System.Text.StringBuilder();
for (int i = 0; i < terms.Length; i++)
{
sb.Append(terms[i].Text);
sb.Append(" ");
}
System.String content = sb.ToString();
int payloadDataLength = numTerms * numDocs * 2 + numTerms * numDocs * (numDocs - 1) / 2;
byte[] payloadData = GenerateRandomData(payloadDataLength);
Document d = new Document();
d.Add(new Field(fieldName, content, Field.Store.NO, Field.Index.ANALYZED));
// add the same document multiple times to have the same payload lengths for all
// occurrences within two consecutive skip intervals
int offset = 0;
for (int i = 0; i < 2 * numDocs; i++)
{
analyzer.SetPayloadData(fieldName, payloadData, offset, 1);
offset += numTerms;
writer.AddDocument(d, null);
}
// make sure we create more than one segment to test merging
writer.Commit(null);
// now we make sure to have different payload lengths next at the next skip point
for (int i = 0; i < numDocs; i++)
{
analyzer.SetPayloadData(fieldName, payloadData, offset, i);
offset += i * numTerms;
writer.AddDocument(d, null);
}
writer.Optimize(null);
// flush
writer.Close();
/*
* Verify the index
* first we test if all payloads are stored correctly
*/
IndexReader reader = IndexReader.Open(dir, true, null);
byte[] verifyPayloadData = new byte[payloadDataLength];
offset = 0;
TermPositions[] tps = new TermPositions[numTerms];
for (int i = 0; i < numTerms; i++)
{
tps[i] = reader.TermPositions(terms[i], null);
}
while (tps[0].Next(null))
{
for (int i = 1; i < numTerms; i++)
{
tps[i].Next(null);
}
int freq = tps[0].Freq;
for (int i = 0; i < freq; i++)
{
for (int j = 0; j < numTerms; j++)
{
tps[j].NextPosition(null);
tps[j].GetPayload(verifyPayloadData, offset, null);
offset += tps[j].PayloadLength;
}
}
}
for (int i = 0; i < numTerms; i++)
{
tps[i].Close();
}
AssertByteArrayEquals(payloadData, verifyPayloadData);
/*
* test lazy skipping
*/
TermPositions tp = reader.TermPositions(terms[0], null);
tp.Next(null);
tp.NextPosition(null);
// now we don't read this payload
tp.NextPosition(null);
Assert.AreEqual(1, tp.PayloadLength, "Wrong payload length.");
byte[] payload = tp.GetPayload(null, 0, null);
Assert.AreEqual(payload[0], payloadData[numTerms]);
tp.NextPosition(null);
// we don't read this payload and skip to a different document
tp.SkipTo(5, null);
tp.NextPosition(null);
Assert.AreEqual(1, tp.PayloadLength, "Wrong payload length.");
payload = tp.GetPayload(null, 0, null);
Assert.AreEqual(payload[0], payloadData[5 * numTerms]);
/*
* Test different lengths at skip points
*/
tp.Seek(terms[1], null);
tp.Next(null);
tp.NextPosition(null);
Assert.AreEqual(1, tp.PayloadLength, "Wrong payload length.");
tp.SkipTo(skipInterval - 1, null);
tp.NextPosition(null);
Assert.AreEqual(1, tp.PayloadLength, "Wrong payload length.");
tp.SkipTo(2 * skipInterval - 1, null);
tp.NextPosition(null);
Assert.AreEqual(1, tp.PayloadLength, "Wrong payload length.");
tp.SkipTo(3 * skipInterval - 1, null);
tp.NextPosition(null);
Assert.AreEqual(3 * skipInterval - 2 * numDocs - 1, tp.PayloadLength, "Wrong payload length.");
/*
* Test multiple call of getPayload()
*/
tp.GetPayload(null, 0, null);
// it is forbidden to call getPayload() more than once
// without calling nextPosition()
Assert.Throws <IOException>(() => tp.GetPayload(null, 0, null), "Expected exception not thrown");
reader.Close();
// test long payload
analyzer = new PayloadAnalyzer();
writer = new IndexWriter(dir, analyzer, true, IndexWriter.MaxFieldLength.LIMITED, null);
System.String singleTerm = "lucene";
d = new Document();
d.Add(new Field(fieldName, singleTerm, Field.Store.NO, Field.Index.ANALYZED));
// add a payload whose length is greater than the buffer size of BufferedIndexOutput
payloadData = GenerateRandomData(2000);
analyzer.SetPayloadData(fieldName, payloadData, 100, 1500);
writer.AddDocument(d, null);
writer.Optimize(null);
// flush
writer.Close();
reader = IndexReader.Open(dir, true, null);
tp = reader.TermPositions(new Term(fieldName, singleTerm), null);
tp.Next(null);
tp.NextPosition(null);
verifyPayloadData = new byte[tp.PayloadLength];
tp.GetPayload(verifyPayloadData, 0, null);
byte[] portion = new byte[1500];
Array.Copy(payloadData, 100, portion, 0, 1500);
AssertByteArrayEquals(portion, verifyPayloadData);
reader.Close();
}
