internal void AddDocument(Document doc)
{
indexStream.WriteLong(fieldsStream.GetFilePointer());
int storedCount = 0;
System.Collections.IEnumerator fieldIterator = doc.GetFields().GetEnumerator();
while (fieldIterator.MoveNext())
{
Fieldable field = (Fieldable)fieldIterator.Current;
if (field.IsStored())
{
storedCount++;
}
}
fieldsStream.WriteVInt(storedCount);
fieldIterator = doc.GetFields().GetEnumerator();
while (fieldIterator.MoveNext())
{
Fieldable field = (Fieldable)fieldIterator.Current;
if (field.IsStored())
{
WriteField(fieldInfos.FieldInfo(field.Name()), field);
}
}
}
public virtual void TestAddDocument()
{
Document testDoc = new Document();
DocHelper.SetupDoc(testDoc);
Analyzer analyzer = new WhitespaceAnalyzer();
IndexWriter writer = new IndexWriter(dir, analyzer, true, IndexWriter.MaxFieldLength.LIMITED);
writer.AddDocument(testDoc);
writer.Flush();
SegmentInfo info = writer.NewestSegment();
writer.Close();
//After adding the document, we should be able to read it back in
SegmentReader reader = SegmentReader.Get(info);
Assert.IsTrue(reader != null);
Document doc = reader.Document(0);
Assert.IsTrue(doc != null);
//System.out.println("Document: " + doc);
Fieldable[] fields = doc.GetFields("textField2");
Assert.IsTrue(fields != null && fields.Length == 1);
Assert.IsTrue(fields[0].StringValue().Equals(DocHelper.FIELD_2_TEXT));
Assert.IsTrue(fields[0].IsTermVectorStored());
fields = doc.GetFields("textField1");
Assert.IsTrue(fields != null && fields.Length == 1);
Assert.IsTrue(fields[0].StringValue().Equals(DocHelper.FIELD_1_TEXT));
Assert.IsFalse(fields[0].IsTermVectorStored());
fields = doc.GetFields("keyField");
Assert.IsTrue(fields != null && fields.Length == 1);
Assert.IsTrue(fields[0].StringValue().Equals(DocHelper.KEYWORD_TEXT));
fields = doc.GetFields(DocHelper.NO_NORMS_KEY);
Assert.IsTrue(fields != null && fields.Length == 1);
Assert.IsTrue(fields[0].StringValue().Equals(DocHelper.NO_NORMS_TEXT));
fields = doc.GetFields(DocHelper.TEXT_FIELD_3_KEY);
Assert.IsTrue(fields != null && fields.Length == 1);
Assert.IsTrue(fields[0].StringValue().Equals(DocHelper.FIELD_3_TEXT));
// test that the norms are not present in the segment if
// omitNorms is true
for (int i = 0; i < reader.core_ForNUnit.fieldInfos_ForNUnit.Size(); i++)
{
FieldInfo fi = reader.core_ForNUnit.fieldInfos_ForNUnit.FieldInfo(i);
if (fi.isIndexed_ForNUnit)
{
Assert.IsTrue(fi.omitNorms_ForNUnit == !reader.HasNorms(fi.name_ForNUnit));
}
}
}
public virtual void TestFieldSelector()
{
RAMDirectory ramDirectory1, ramDirectory2;
IndexSearcher indexSearcher1, indexSearcher2;
ramDirectory1 = new RAMDirectory();
ramDirectory2 = new RAMDirectory();
Query query = new TermQuery(new Term("contents", "doc0"));
// Now put the documents in a different index
InitIndex(ramDirectory1, 10, true, null); // documents with a single token "doc0", "doc1", etc...
InitIndex(ramDirectory2, 10, true, "x"); // documents with two tokens "doc0" and "x", "doc1" and x, etc...
indexSearcher1 = new IndexSearcher(ramDirectory1, true);
indexSearcher2 = new IndexSearcher(ramDirectory2, true);
MultiSearcher searcher = GetMultiSearcherInstance(new Searcher[] { indexSearcher1, indexSearcher2 });
Assert.IsTrue(searcher != null, "searcher is null and it shouldn't be");
ScoreDoc[] hits = searcher.Search(query, null, 1000).ScoreDocs;
Assert.IsTrue(hits != null, "hits is null and it shouldn't be");
Assert.IsTrue(hits.Length == 2, hits.Length + " does not equal: " + 2);
Document document = searcher.Doc(hits[0].Doc);
Assert.IsTrue(document != null, "document is null and it shouldn't be");
Assert.IsTrue(document.GetFields().Count == 2, "document.getFields() Size: " + document.GetFields().Count + " is not: " + 2);
//Should be one document from each directory
//they both have two fields, contents and other
ISet <string> ftl = Support.Compatibility.SetFactory.CreateHashSet <string>();
ftl.Add("other");
SetBasedFieldSelector fs = new SetBasedFieldSelector(ftl, Support.Compatibility.SetFactory.CreateHashSet <string>());
document = searcher.Doc(hits[0].Doc, fs);
Assert.IsTrue(document != null, "document is null and it shouldn't be");
Assert.IsTrue(document.GetFields().Count == 1, "document.getFields() Size: " + document.GetFields().Count + " is not: " + 1);
System.String value_Renamed = document.Get("contents");
Assert.IsTrue(value_Renamed == null, "value is not null and it should be");
value_Renamed = document.Get("other");
Assert.IsTrue(value_Renamed != null, "value is null and it shouldn't be");
ftl.Clear();
ftl.Add("contents");
fs = new SetBasedFieldSelector(ftl, Support.Compatibility.SetFactory.CreateHashSet <string>());
document = searcher.Doc(hits[1].Doc, fs);
value_Renamed = document.Get("contents");
Assert.IsTrue(value_Renamed != null, "value is null and it shouldn't be");
value_Renamed = document.Get("other");
Assert.IsTrue(value_Renamed == null, "value is not null and it should be");
}
/// <summary>Adds field info for a Document. </summary>
public void Add(Document doc)
{
System.Collections.IList fields = doc.GetFields();
System.Collections.IEnumerator fieldIterator = fields.GetEnumerator();
while (fieldIterator.MoveNext())
{
Fieldable field = (Fieldable)fieldIterator.Current;
Add(field.Name(), field.IsIndexed(), field.IsTermVectorStored(), field.IsStorePositionWithTermVector(), field.IsStoreOffsetWithTermVector(), field.GetOmitNorms());
}
}
/// <summary>Adds field info for a Document. </summary>
public void Add(Document doc)
{
System.Collections.IList fields = doc.GetFields();
System.Collections.IEnumerator fieldIterator = fields.GetEnumerator();
while (fieldIterator.MoveNext())
{
Fieldable field = (Fieldable) fieldIterator.Current;
Add(field.Name(), field.IsIndexed(), field.IsTermVectorStored(), field.IsStorePositionWithTermVector(), field.IsStoreOffsetWithTermVector(), field.GetOmitNorms());
}
}
/// <summary>Adds field info for a Document. </summary>
public void Add(Document doc)
{
lock (this)
{
IList <Fieldable> fields = doc.GetFields();
foreach (Fieldable field in fields)
{
Add(field.Name(), field.IsIndexed(), field.IsTermVectorStored(), field.IsStorePositionWithTermVector(), field.IsStoreOffsetWithTermVector(), field.GetOmitNorms(), false, field.GetOmitTf());
}
}
}
internal void AddDocument(Document doc)
{
indexStream.WriteLong(fieldsStream.GetFilePointer());
int storedCount = 0;
foreach (Fieldable field in doc.GetFields())
{
if (field.IsStored())
{
storedCount++;
}
}
fieldsStream.WriteVInt(storedCount);
foreach (Fieldable field in doc.GetFields())
{
if (field.IsStored())
{
WriteField(fieldInfos.FieldInfo(field.Name()), field);
}
}
}
public virtual void TestAddDocument()
{
Analyzer analyzer = new WhitespaceAnalyzer();
Similarity similarity = Similarity.GetDefault();
DocumentWriter writer = new DocumentWriter(dir, analyzer, similarity, 50);
Assert.IsTrue(writer != null);
try
{
writer.AddDocument("test", testDoc);
//After adding the document, we should be able to read it back in
SegmentReader reader = new SegmentReader(new SegmentInfo("test", 1, dir));
Assert.IsTrue(reader != null);
Document doc = reader.Document(0);
Assert.IsTrue(doc != null);
//System.out.println("Document: " + doc);
Field[] fields = doc.GetFields("textField2");
Assert.IsTrue(fields != null && fields.Length == 1);
Assert.IsTrue(fields[0].StringValue().Equals(DocHelper.FIELD_2_TEXT));
Assert.IsTrue(fields[0].IsTermVectorStored() == true);
fields = doc.GetFields("textField1");
Assert.IsTrue(fields != null && fields.Length == 1);
Assert.IsTrue(fields[0].StringValue().Equals(DocHelper.FIELD_1_TEXT));
Assert.IsTrue(fields[0].IsTermVectorStored() == false);
fields = doc.GetFields("keyField");
Assert.IsTrue(fields != null && fields.Length == 1);
Assert.IsTrue(fields[0].StringValue().Equals(DocHelper.KEYWORD_TEXT));
}
catch (System.IO.IOException e)
{
System.Console.Error.WriteLine(e.StackTrace);
Assert.IsTrue(false);
}
}
public virtual void TestDocument()
{
Assert.IsTrue(reader.NumDocs() == 1);
Assert.IsTrue(reader.MaxDoc() >= 1);
Document result = reader.Document(0);
Assert.IsTrue(result != null);
//There are 2 unstored fields on the document that are not preserved across writing
Assert.IsTrue(DocHelper.NumFields(result) == DocHelper.NumFields(testDoc) - DocHelper.unstored.Count);
System.Collections.IList fields = result.GetFields();
for (System.Collections.IEnumerator iter = fields.GetEnumerator(); iter.MoveNext();)
{
Fieldable field = (Fieldable)iter.Current;
Assert.IsTrue(field != null);
Assert.IsTrue(DocHelper.nameValues.Contains(field.Name()));
}
}
/// <summary> Test stored fields for a segment.</summary>
private Status.StoredFieldStatus TestStoredFields(SegmentInfo info, SegmentReader reader, System.Globalization.NumberFormatInfo format)
{
Status.StoredFieldStatus status = new Status.StoredFieldStatus();
try
{
if (infoStream != null)
{
infoStream.Write(" test: stored fields.......");
}
// Scan stored fields for all documents
for (int j = 0; j < info.docCount; ++j)
{
if (!reader.IsDeleted(j))
{
status.docCount++;
Document doc = reader.Document(j);
status.totFields += doc.GetFields().Count;
}
}
// Validate docCount
if (status.docCount != reader.NumDocs())
{
throw new System.SystemException("docCount=" + status.docCount + " but saw " + status.docCount + " undeleted docs");
}
Msg(string.Format(format, "OK [{0:d} total field count; avg {1:f} fields per doc]", new object[] { status.totFields, (((float)status.totFields) / status.docCount) }));
}
catch (System.Exception e)
{
Msg("ERROR [" + System.Convert.ToString(e.Message) + "]");
status.error = e;
if (infoStream != null)
{
infoStream.WriteLine(e.StackTrace);
}
}
return(status);
}
public virtual void TestDocument()
{
Directory dir1 = GetDir1();
Directory dir2 = GetDir2();
ParallelReader pr = new ParallelReader();
pr.Add(IndexReader.Open(dir1));
pr.Add(IndexReader.Open(dir2));
Document doc11 = pr.Document(0, new MapFieldSelector(new System.String[] { "f1" }));
Document doc24 = pr.Document(1, new MapFieldSelector(new System.Collections.ArrayList(new System.String[] { "f4" })));
Document doc223 = pr.Document(1, new MapFieldSelector(new System.String[] { "f2", "f3" }));
Assert.AreEqual(1, doc11.GetFields().Count);
Assert.AreEqual(1, doc24.GetFields().Count);
Assert.AreEqual(2, doc223.GetFields().Count);
Assert.AreEqual("v1", doc11.Get("f1"));
Assert.AreEqual("v2", doc24.Get("f4"));
Assert.AreEqual("v2", doc223.Get("f2"));
Assert.AreEqual("v2", doc223.Get("f3"));
}
public static int NumFields(Document doc)
{
return doc.GetFields().Count;
}
public virtual void searchIndex(System.String dirName, System.String oldName)
{
//QueryParser parser = new QueryParser("contents", new WhitespaceAnalyzer());
//Query query = parser.parse("handle:1");
dirName = FullDir(dirName);
Directory dir = FSDirectory.Open(new System.IO.FileInfo(dirName));
IndexSearcher searcher = new IndexSearcher(dir);
IndexReader reader = searcher.GetIndexReader();
_TestUtil.CheckIndex(dir);
for (int i = 0; i < 35; i++)
{
if (!reader.IsDeleted(i))
{
Document d = reader.Document(i);
System.Collections.IList fields = d.GetFields();
if (!oldName.StartsWith("19.") && !oldName.StartsWith("20.") && !oldName.StartsWith("21.") && !oldName.StartsWith("22."))
{
if (d.GetField("content3") == null)
{
Assert.AreEqual(5, fields.Count);
Field f = (Field)d.GetField("id");
Assert.AreEqual("" + i, f.StringValue());
f = (Field)d.GetField("utf8");
Assert.AreEqual("Lu\uD834\uDD1Ece\uD834\uDD60ne \u0000 \u2620 ab\ud917\udc17cd", f.StringValue());
f = (Field)d.GetField("autf8");
Assert.AreEqual("Lu\uD834\uDD1Ece\uD834\uDD60ne \u0000 \u2620 ab\ud917\udc17cd", f.StringValue());
f = (Field)d.GetField("content2");
Assert.AreEqual("here is more content with aaa aaa aaa", f.StringValue());
f = (Field)d.GetField("fie\u2C77ld");
Assert.AreEqual("field with non-ascii name", f.StringValue());
}
}
}
// Only ID 7 is deleted
else
{
Assert.AreEqual(7, i);
}
}
ScoreDoc[] hits = searcher.Search(new TermQuery(new Term("content", "aaa")), null, 1000).ScoreDocs;
// First document should be #21 since it's norm was
// increased:
Document d2 = searcher.Doc(hits[0].doc);
Assert.AreEqual("21", d2.Get("id"), "didn't get the right document first");
TestHits(hits, 34, searcher.GetIndexReader());
if (!oldName.StartsWith("19.") && !oldName.StartsWith("20.") && !oldName.StartsWith("21.") && !oldName.StartsWith("22."))
{
// Test on indices >= 2.3
hits = searcher.Search(new TermQuery(new Term("utf8", "\u0000")), null, 1000).ScoreDocs;
Assert.AreEqual(34, hits.Length);
hits = searcher.Search(new TermQuery(new Term("utf8", "Lu\uD834\uDD1Ece\uD834\uDD60ne")), null, 1000).ScoreDocs;
Assert.AreEqual(34, hits.Length);
hits = searcher.Search(new TermQuery(new Term("utf8", "ab\ud917\udc17cd")), null, 1000).ScoreDocs;
Assert.AreEqual(34, hits.Length);
}
searcher.Close();
dir.Close();
}
internal void AddDocument(Document doc)
{
indexStream.WriteLong(fieldsStream.GetFilePointer());
int storedCount = 0;
System.Collections.IEnumerator fieldIterator = doc.GetFields().GetEnumerator();
while (fieldIterator.MoveNext())
{
Fieldable field = (Fieldable) fieldIterator.Current;
if (field.IsStored())
storedCount++;
}
fieldsStream.WriteVInt(storedCount);
fieldIterator = doc.GetFields().GetEnumerator();
while (fieldIterator.MoveNext())
{
Fieldable field = (Fieldable) fieldIterator.Current;
// if the field as an instanceof FieldsReader.FieldForMerge, we're in merge mode
// and field.binaryValue() already returns the compressed value for a field
// with isCompressed()==true, so we disable compression in that case
bool disableCompression = (field is FieldsReader.FieldForMerge);
if (field.IsStored())
{
fieldsStream.WriteVInt(fieldInfos.FieldNumber(field.Name()));
byte bits = 0;
if (field.IsTokenized())
bits |= FieldsWriter.FIELD_IS_TOKENIZED;
if (field.IsBinary())
bits |= FieldsWriter.FIELD_IS_BINARY;
if (field.IsCompressed())
bits |= FieldsWriter.FIELD_IS_COMPRESSED;
fieldsStream.WriteByte(bits);
if (field.IsCompressed())
{
// compression is enabled for the current field
byte[] data = null;
if (disableCompression)
{
// optimized case for merging, the data
// is already compressed
data = field.BinaryValue();
}
else
{
// check if it is a binary field
if (field.IsBinary())
{
data = Compress(field.BinaryValue());
}
else
{
data = Compress(System.Text.Encoding.GetEncoding("UTF-8").GetBytes(field.StringValue()));
}
}
int len = data.Length;
fieldsStream.WriteVInt(len);
fieldsStream.WriteBytes(data, len);
}
else
{
// compression is disabled for the current field
if (field.IsBinary())
{
byte[] data = field.BinaryValue();
int len = data.Length;
fieldsStream.WriteVInt(len);
fieldsStream.WriteBytes(data, len);
}
else
{
fieldsStream.WriteString(field.StringValue());
}
}
}
}
}
internal void AddDocument(Document doc)
{
indexStream.WriteLong(fieldsStream.GetFilePointer());
int storedCount = 0;
foreach(Fieldable field in doc.GetFields())
{
if (field.IsStored())
storedCount++;
}
fieldsStream.WriteVInt(storedCount);
foreach(Fieldable field in doc.GetFields())
{
if (field.IsStored())
WriteField(fieldInfos.FieldInfo(field.Name()), field);
}
}
/// <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);
}
public override DocumentsWriter.DocWriter ProcessDocument()
{
consumer.StartDocument();
fieldsWriter.StartDocument();
Document doc = docState.doc;
System.Diagnostics.Debug.Assert(docFieldProcessor.docWriter.writer.TestPoint("DocumentsWriter.ThreadState.init start"));
fieldCount = 0;
int thisFieldGen = fieldGen++;
System.Collections.IList docFields = doc.GetFields();
int numDocFields = docFields.Count;
// Absorb any new fields first seen in this document.
// Also absorb any changes to fields we had already
// seen before (eg suddenly turning on norms or
// vectors, etc.):
for (int i = 0; i < numDocFields; i++)
{
Fieldable field = (Fieldable)docFields[i];
System.String fieldName = field.Name();
// Make sure we have a PerField allocated
int hashPos = fieldName.GetHashCode() & hashMask;
DocFieldProcessorPerField fp = fieldHash[hashPos];
while (fp != null && !fp.fieldInfo.name.Equals(fieldName))
{
fp = fp.next;
}
if (fp == null)
{
// TODO FI: we need to genericize the "flags" that a
// field holds, and, how these flags are merged; it
// needs to be more "pluggable" such that if I want
// to have a new "thing" my Fields can do, I can
// easily add it
FieldInfo fi = fieldInfos.Add(fieldName, field.IsIndexed(), field.IsTermVectorStored(), field.IsStorePositionWithTermVector(), field.IsStoreOffsetWithTermVector(), field.GetOmitNorms(), false, field.GetOmitTf());
fp = new DocFieldProcessorPerField(this, fi);
fp.next = fieldHash[hashPos];
fieldHash[hashPos] = fp;
totalFieldCount++;
if (totalFieldCount >= fieldHash.Length / 2)
{
Rehash();
}
}
else
{
fp.fieldInfo.Update(field.IsIndexed(), field.IsTermVectorStored(), field.IsStorePositionWithTermVector(), field.IsStoreOffsetWithTermVector(), field.GetOmitNorms(), false, field.GetOmitTf());
}
if (thisFieldGen != fp.lastGen)
{
// First time we're seeing this field for this doc
fp.fieldCount = 0;
if (fieldCount == fields.Length)
{
int newSize = fields.Length * 2;
DocFieldProcessorPerField[] newArray = new DocFieldProcessorPerField[newSize];
Array.Copy(fields, 0, newArray, 0, fieldCount);
fields = newArray;
}
fields[fieldCount++] = fp;
fp.lastGen = thisFieldGen;
}
if (fp.fieldCount == fp.fields.Length)
{
Fieldable[] newArray = new Fieldable[fp.fields.Length * 2];
Array.Copy(fp.fields, 0, newArray, 0, fp.fieldCount);
fp.fields = newArray;
}
fp.fields[fp.fieldCount++] = field;
if (field.IsStored())
{
fieldsWriter.AddField(field, fp.fieldInfo);
}
}
// If we are writing vectors then we must visit
// fields in sorted order so they are written in
// sorted order. TODO: we actually only need to
// sort the subset of fields that have vectors
// enabled; we could save [small amount of] CPU
// here.
QuickSort(fields, 0, fieldCount - 1);
for (int i = 0; i < fieldCount; i++)
{
fields[i].consumer.ProcessFields(fields[i].fields, fields[i].fieldCount);
}
if (docState.maxTermPrefix != null && docState.infoStream != null)
{
docState.infoStream.WriteLine("WARNING: document contains at least one immense term (longer than the max length " + DocumentsWriter.MAX_TERM_LENGTH + "), all of which were skipped. Please correct the analyzer to not produce such terms. The prefix of the first immense term is: '" + docState.maxTermPrefix + "...'");
docState.maxTermPrefix = null;
}
DocumentsWriter.DocWriter one = fieldsWriter.FinishDocument();
DocumentsWriter.DocWriter two = consumer.FinishDocument();
if (one == null)
{
return(two);
}
else if (two == null)
{
return(one);
}
else
{
PerDoc both = GetPerDoc();
both.docID = docState.docID;
System.Diagnostics.Debug.Assert(one.docID == docState.docID);
System.Diagnostics.Debug.Assert(two.docID == docState.docID);
both.one = one;
both.two = two;
return(both);
}
}
public static int NumFields(Document doc)
{
return(doc.GetFields().Count);
}
public void has_correct_number_of_fields()
{
_document.GetFields().Count.ShouldEqual(2);
}
/// <summary>Initializes shared state for this new document </summary>
internal void Init(Document doc, int docID)
{
System.Diagnostics.Debug.Assert(!isIdle);
System.Diagnostics.Debug.Assert(Enclosing_Instance.writer.TestPoint("DocumentsWriter.ThreadState.init start"));
this.docID = docID;
docBoost = doc.GetBoost();
numStoredFields = 0;
numFieldData = 0;
numVectorFields = 0;
maxTermPrefix = null;
System.Diagnostics.Debug.Assert(0 == fdtLocal.Length());
System.Diagnostics.Debug.Assert(0 == fdtLocal.GetFilePointer());
System.Diagnostics.Debug.Assert(0 == tvfLocal.Length());
System.Diagnostics.Debug.Assert(0 == tvfLocal.GetFilePointer());
int thisFieldGen = fieldGen++;
System.Collections.IList docFields = doc.GetFields();
int numDocFields = docFields.Count;
bool docHasVectors = false;
// Absorb any new fields first seen in this document.
// Also absorb any changes to fields we had already
// seen before (eg suddenly turning on norms or
// vectors, etc.):
for (int i = 0; i < numDocFields; i++)
{
Fieldable field = (Fieldable) docFields[i];
FieldInfo fi = Enclosing_Instance.fieldInfos.Add(field.Name(), field.IsIndexed(), field.IsTermVectorStored(), field.IsStorePositionWithTermVector(), field.IsStoreOffsetWithTermVector(), field.GetOmitNorms(), false);
if (fi.isIndexed && !fi.omitNorms)
{
// Maybe grow our buffered norms
if (Enclosing_Instance.norms.Length <= fi.number)
{
int newSize = (int) ((1 + fi.number) * 1.25);
BufferedNorms[] newNorms = new BufferedNorms[newSize];
Array.Copy(Enclosing_Instance.norms, 0, newNorms, 0, Enclosing_Instance.norms.Length);
Enclosing_Instance.norms = newNorms;
}
if (Enclosing_Instance.norms[fi.number] == null)
Enclosing_Instance.norms[fi.number] = new BufferedNorms();
Enclosing_Instance.hasNorms = true;
}
// Make sure we have a FieldData allocated
int hashPos = fi.name.GetHashCode() & fieldDataHashMask;
FieldData fp = fieldDataHash[hashPos];
while (fp != null && !fp.fieldInfo.name.Equals(fi.name))
fp = fp.next;
if (fp == null)
{
fp = new FieldData(this, fi);
fp.next = fieldDataHash[hashPos];
fieldDataHash[hashPos] = fp;
if (numAllFieldData == allFieldDataArray.Length)
{
int newSize = (int) (allFieldDataArray.Length * 1.5);
int newHashSize = fieldDataHash.Length * 2;
FieldData[] newArray = new FieldData[newSize];
FieldData[] newHashArray = new FieldData[newHashSize];
Array.Copy(allFieldDataArray, 0, newArray, 0, numAllFieldData);
// Rehash
fieldDataHashMask = newSize - 1;
for (int j = 0; j < fieldDataHash.Length; j++)
{
FieldData fp0 = fieldDataHash[j];
while (fp0 != null)
{
hashPos = fp0.fieldInfo.name.GetHashCode() & fieldDataHashMask;
FieldData nextFP0 = fp0.next;
fp0.next = newHashArray[hashPos];
newHashArray[hashPos] = fp0;
fp0 = nextFP0;
}
}
allFieldDataArray = newArray;
fieldDataHash = newHashArray;
}
allFieldDataArray[numAllFieldData++] = fp;
}
else
{
System.Diagnostics.Debug.Assert(fp.fieldInfo == fi);
}
if (thisFieldGen != fp.lastGen)
{
// First time we're seeing this field for this doc
fp.lastGen = thisFieldGen;
fp.fieldCount = 0;
fp.doVectors = fp.doVectorPositions = fp.doVectorOffsets = false;
fp.doNorms = fi.isIndexed && !fi.omitNorms;
if (numFieldData == fieldDataArray.Length)
{
int newSize = fieldDataArray.Length * 2;
FieldData[] newArray = new FieldData[newSize];
Array.Copy(fieldDataArray, 0, newArray, 0, numFieldData);
fieldDataArray = newArray;
}
fieldDataArray[numFieldData++] = fp;
}
if (field.IsTermVectorStored())
{
if (!fp.doVectors && numVectorFields++ == vectorFieldPointers.Length)
{
int newSize = (int) (numVectorFields * 1.5);
vectorFieldPointers = new long[newSize];
vectorFieldNumbers = new int[newSize];
}
fp.doVectors = true;
docHasVectors = true;
fp.doVectorPositions |= field.IsStorePositionWithTermVector();
fp.doVectorOffsets |= field.IsStoreOffsetWithTermVector();
}
if (fp.fieldCount == fp.docFields.Length)
{
Fieldable[] newArray = new Fieldable[fp.docFields.Length * 2];
Array.Copy(fp.docFields, 0, newArray, 0, fp.docFields.Length);
fp.docFields = newArray;
}
// Lazily allocate arrays for postings:
if (field.IsIndexed() && fp.postingsHash == null)
fp.InitPostingArrays();
fp.docFields[fp.fieldCount++] = field;
}
// Maybe init the local & global fieldsWriter
if (localFieldsWriter == null)
{
if (Enclosing_Instance.fieldsWriter == null)
{
System.Diagnostics.Debug.Assert(Enclosing_Instance.docStoreSegment == null);
System.Diagnostics.Debug.Assert(Enclosing_Instance.segment != null);
Enclosing_Instance.docStoreSegment = Enclosing_Instance.segment;
// If we hit an exception while init'ing the
// fieldsWriter, we must abort this segment
// because those files will be in an unknown
// state:
try
{
Enclosing_Instance.fieldsWriter = new FieldsWriter(Enclosing_Instance.directory, Enclosing_Instance.docStoreSegment, Enclosing_Instance.fieldInfos);
}
catch (System.Exception t)
{
throw new AbortException(t, Enclosing_Instance);
}
Enclosing_Instance.files = null;
}
localFieldsWriter = new FieldsWriter(null, fdtLocal, Enclosing_Instance.fieldInfos);
}
// First time we see a doc that has field(s) with
// stored vectors, we init our tvx writer
if (docHasVectors)
{
if (Enclosing_Instance.tvx == null)
{
System.Diagnostics.Debug.Assert(Enclosing_Instance.docStoreSegment != null);
// If we hit an exception while init'ing the term
// vector output files, we must abort this segment
// because those files will be in an unknown
// state:
try
{
Enclosing_Instance.tvx = Enclosing_Instance.directory.CreateOutput(Enclosing_Instance.docStoreSegment + "." + IndexFileNames.VECTORS_INDEX_EXTENSION);
Enclosing_Instance.tvx.WriteInt(TermVectorsReader.FORMAT_VERSION);
Enclosing_Instance.tvd = Enclosing_Instance.directory.CreateOutput(Enclosing_Instance.docStoreSegment + "." + IndexFileNames.VECTORS_DOCUMENTS_EXTENSION);
Enclosing_Instance.tvd.WriteInt(TermVectorsReader.FORMAT_VERSION);
Enclosing_Instance.tvf = Enclosing_Instance.directory.CreateOutput(Enclosing_Instance.docStoreSegment + "." + IndexFileNames.VECTORS_FIELDS_EXTENSION);
Enclosing_Instance.tvf.WriteInt(TermVectorsReader.FORMAT_VERSION);
// We must "catch up" for all docs before us
// that had no vectors:
for (int i = 0; i < Enclosing_Instance.numDocsInStore; i++)
{
Enclosing_Instance.tvx.WriteLong(Enclosing_Instance.tvd.GetFilePointer());
Enclosing_Instance.tvd.WriteVInt(0);
}
}
catch (System.Exception t)
{
throw new AbortException(t, Enclosing_Instance);
}
Enclosing_Instance.files = null;
}
numVectorFields = 0;
}
}
public virtual void TestBinaryFields()
{
Directory dir = new RAMDirectory();
byte[] bin = new byte[]{0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.UNLIMITED);
for (int i = 0; i < 10; i++)
{
AddDoc(writer, "document number " + (i + 1));
AddDocumentWithFields(writer);
AddDocumentWithDifferentFields(writer);
AddDocumentWithTermVectorFields(writer);
}
writer.Close();
writer = new IndexWriter(dir, new WhitespaceAnalyzer(), false, IndexWriter.MaxFieldLength.LIMITED);
Document doc = new Document();
doc.Add(new Field("bin1", bin, Field.Store.YES));
doc.Add(new Field("bin2", bin, Field.Store.COMPRESS));
doc.Add(new Field("junk", "junk text", Field.Store.NO, Field.Index.ANALYZED));
writer.AddDocument(doc);
writer.Close();
IndexReader reader = IndexReader.Open(dir);
doc = reader.Document(reader.MaxDoc() - 1);
Field[] fields = doc.GetFields("bin1");
Assert.IsNotNull(fields);
Assert.AreEqual(1, fields.Length);
Field b1 = fields[0];
Assert.IsTrue(b1.IsBinary());
byte[] data1 = b1.GetBinaryValue();
Assert.AreEqual(bin.Length, b1.GetBinaryLength());
for (int i = 0; i < bin.Length; i++)
{
Assert.AreEqual(bin[i], data1[i + b1.GetBinaryOffset()]);
}
fields = doc.GetFields("bin2");
Assert.IsNotNull(fields);
Assert.AreEqual(1, fields.Length);
b1 = fields[0];
Assert.IsTrue(b1.IsBinary());
data1 = b1.GetBinaryValue();
Assert.AreEqual(bin.Length, b1.GetBinaryLength());
for (int i = 0; i < bin.Length; i++)
{
Assert.AreEqual(bin[i], data1[i + b1.GetBinaryOffset()]);
}
System.Collections.Hashtable lazyFields = new System.Collections.Hashtable();
SupportClass.CollectionsHelper.AddIfNotContains(lazyFields, "bin1");
FieldSelector sel = new SetBasedFieldSelector(new System.Collections.Hashtable(), lazyFields);
doc = reader.Document(reader.MaxDoc() - 1, sel);
Fieldable[] fieldables = doc.GetFieldables("bin1");
Assert.IsNotNull(fieldables);
Assert.AreEqual(1, fieldables.Length);
Fieldable fb1 = fieldables[0];
Assert.IsTrue(fb1.IsBinary());
Assert.AreEqual(bin.Length, fb1.GetBinaryLength());
data1 = fb1.GetBinaryValue();
Assert.AreEqual(bin.Length, fb1.GetBinaryLength());
for (int i = 0; i < bin.Length; i++)
{
Assert.AreEqual(bin[i], data1[i + fb1.GetBinaryOffset()]);
}
reader.Close();
// force optimize
writer = new IndexWriter(dir, new WhitespaceAnalyzer(), false, IndexWriter.MaxFieldLength.LIMITED);
writer.Optimize();
writer.Close();
reader = IndexReader.Open(dir);
doc = reader.Document(reader.MaxDoc() - 1);
fields = doc.GetFields("bin1");
Assert.IsNotNull(fields);
Assert.AreEqual(1, fields.Length);
b1 = fields[0];
Assert.IsTrue(b1.IsBinary());
data1 = b1.GetBinaryValue();
Assert.AreEqual(bin.Length, b1.GetBinaryLength());
for (int i = 0; i < bin.Length; i++)
{
Assert.AreEqual(bin[i], data1[i + b1.GetBinaryOffset()]);
}
fields = doc.GetFields("bin2");
Assert.IsNotNull(fields);
Assert.AreEqual(1, fields.Length);
b1 = fields[0];
Assert.IsTrue(b1.IsBinary());
data1 = b1.GetBinaryValue();
Assert.AreEqual(bin.Length, b1.GetBinaryLength());
for (int i = 0; i < bin.Length; i++)
{
Assert.AreEqual(bin[i], data1[i + b1.GetBinaryOffset()]);
}
reader.Close();
}
public virtual void TestStoredFieldsOrder()
{
Directory d = new MockRAMDirectory();
IndexWriter w = new IndexWriter(d, new WhitespaceAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED);
Document doc = new Document();
doc.Add(new Field("zzz", "a b c", Field.Store.YES, Field.Index.NO));
doc.Add(new Field("aaa", "a b c", Field.Store.YES, Field.Index.NO));
doc.Add(new Field("zzz", "1 2 3", Field.Store.YES, Field.Index.NO));
w.AddDocument(doc);
IndexReader r = w.GetReader();
doc = r.Document(0);
System.Collections.IEnumerator it = doc.GetFields().GetEnumerator();
Assert.IsTrue(it.MoveNext());
Field f = (Field) it.Current;
Assert.AreEqual(f.Name(), "zzz");
Assert.AreEqual(f.StringValue(), "a b c");
Assert.IsTrue(it.MoveNext());
f = (Field) it.Current;
Assert.AreEqual(f.Name(), "aaa");
Assert.AreEqual(f.StringValue(), "a b c");
Assert.IsTrue(it.MoveNext());
f = (Field) it.Current;
Assert.AreEqual(f.Name(), "zzz");
Assert.AreEqual(f.StringValue(), "1 2 3");
Assert.IsFalse(it.MoveNext());
r.Close();
w.Close();
d.Close();
}
internal void AddDocument(Document doc)
{
indexStream.WriteLong(fieldsStream.GetFilePointer());
int storedCount = 0;
System.Collections.IEnumerator fieldIterator = doc.GetFields().GetEnumerator();
while (fieldIterator.MoveNext())
{
Fieldable field = (Fieldable)fieldIterator.Current;
if (field.IsStored())
{
storedCount++;
}
}
fieldsStream.WriteVInt(storedCount);
fieldIterator = doc.GetFields().GetEnumerator();
while (fieldIterator.MoveNext())
{
Fieldable field = (Fieldable)fieldIterator.Current;
// if the field as an instanceof FieldsReader.FieldForMerge, we're in merge mode
// and field.binaryValue() already returns the compressed value for a field
// with isCompressed()==true, so we disable compression in that case
bool disableCompression = (field is FieldsReader.FieldForMerge);
if (field.IsStored())
{
fieldsStream.WriteVInt(fieldInfos.FieldNumber(field.Name()));
byte bits = 0;
if (field.IsTokenized())
{
bits |= FieldsWriter.FIELD_IS_TOKENIZED;
}
if (field.IsBinary())
{
bits |= FieldsWriter.FIELD_IS_BINARY;
}
if (field.IsCompressed())
{
bits |= FieldsWriter.FIELD_IS_COMPRESSED;
}
fieldsStream.WriteByte(bits);
if (field.IsCompressed())
{
// compression is enabled for the current field
byte[] data = null;
if (disableCompression)
{
// optimized case for merging, the data
// is already compressed
data = field.BinaryValue();
}
else
{
// check if it is a binary field
if (field.IsBinary())
{
data = Compress(field.BinaryValue());
}
else
{
data = Compress(System.Text.Encoding.GetEncoding("UTF-8").GetBytes(field.StringValue()));
}
}
int len = data.Length;
fieldsStream.WriteVInt(len);
fieldsStream.WriteBytes(data, len);
}
else
{
// compression is disabled for the current field
if (field.IsBinary())
{
byte[] data = field.BinaryValue();
int len = data.Length;
fieldsStream.WriteVInt(len);
fieldsStream.WriteBytes(data, len);
}
else
{
fieldsStream.WriteString(field.StringValue());
}
}
}
}
}
internal void AddDocument(Document doc)
{
indexStream.WriteLong(fieldsStream.GetFilePointer());
int storedCount = 0;
System.Collections.IEnumerator fieldIterator = doc.GetFields().GetEnumerator();
while (fieldIterator.MoveNext())
{
Fieldable field = (Fieldable) fieldIterator.Current;
if (field.IsStored())
storedCount++;
}
fieldsStream.WriteVInt(storedCount);
fieldIterator = doc.GetFields().GetEnumerator();
while (fieldIterator.MoveNext())
{
Fieldable field = (Fieldable) fieldIterator.Current;
if (field.IsStored())
WriteField(fieldInfos.FieldInfo(field.Name()), field);
}
}
// Tokenizes the fields of a document into Postings.
private void InvertDocument(Document doc)
{
System.Collections.IEnumerator fieldIterator = doc.GetFields().GetEnumerator();
while (fieldIterator.MoveNext())
{
Fieldable field = (Fieldable) fieldIterator.Current;
System.String fieldName = field.Name();
int fieldNumber = fieldInfos.FieldNumber(fieldName);
int length = fieldLengths[fieldNumber]; // length of field
int position = fieldPositions[fieldNumber]; // position in field
if (length > 0)
position += analyzer.GetPositionIncrementGap(fieldName);
int offset = fieldOffsets[fieldNumber]; // offset field
if (field.IsIndexed())
{
if (!field.IsTokenized())
{
// un-tokenized field
System.String stringValue = field.StringValue();
if (field.IsStoreOffsetWithTermVector())
AddPosition(fieldName, stringValue, position++, new TermVectorOffsetInfo(offset, offset + stringValue.Length));
else
AddPosition(fieldName, stringValue, position++, null);
offset += stringValue.Length;
length++;
}
else
{
System.IO.TextReader reader; // find or make Reader
if (field.ReaderValue() != null)
reader = field.ReaderValue();
else if (field.StringValue() != null)
reader = new System.IO.StringReader(field.StringValue());
else
throw new System.ArgumentException("field must have either String or Reader value");
// Tokenize field and add to postingTable
TokenStream stream = analyzer.TokenStream(fieldName, reader);
try
{
Token lastToken = null;
for (Token t = stream.Next(); t != null; t = stream.Next())
{
position += (t.GetPositionIncrement() - 1);
if (field.IsStoreOffsetWithTermVector())
AddPosition(fieldName, t.TermText(), position++, new TermVectorOffsetInfo(offset + t.StartOffset(), offset + t.EndOffset()));
else
AddPosition(fieldName, t.TermText(), position++, null);
lastToken = t;
if (++length >= maxFieldLength)
{
if (infoStream != null)
infoStream.WriteLine("maxFieldLength " + maxFieldLength + " reached, ignoring following tokens");
break;
}
}
if (lastToken != null)
offset += lastToken.EndOffset() + 1;
}
finally
{
stream.Close();
}
}
fieldLengths[fieldNumber] = length; // save field length
fieldPositions[fieldNumber] = position; // save field position
fieldBoosts[fieldNumber] *= field.GetBoost();
fieldOffsets[fieldNumber] = offset;
}
}
}
// Tokenizes the fields of a document into Postings.
private void InvertDocument(Document doc)
{
System.Collections.IEnumerator fieldIterator = doc.GetFields().GetEnumerator();
while (fieldIterator.MoveNext())
{
Fieldable field = (Fieldable)fieldIterator.Current;
System.String fieldName = field.Name();
int fieldNumber = fieldInfos.FieldNumber(fieldName);
int length = fieldLengths[fieldNumber]; // length of field
int position = fieldPositions[fieldNumber]; // position in field
if (length > 0)
{
position += analyzer.GetPositionIncrementGap(fieldName);
}
int offset = fieldOffsets[fieldNumber]; // offset field
if (field.IsIndexed())
{
if (!field.IsTokenized())
{
// un-tokenized field
System.String stringValue = field.StringValue();
if (field.IsStoreOffsetWithTermVector())
{
AddPosition(fieldName, stringValue, position++, new TermVectorOffsetInfo(offset, offset + stringValue.Length));
}
else
{
AddPosition(fieldName, stringValue, position++, null);
}
offset += stringValue.Length;
length++;
}
else
{
System.IO.TextReader reader; // find or make Reader
if (field.ReaderValue() != null)
{
reader = field.ReaderValue();
}
else if (field.StringValue() != null)
{
reader = new System.IO.StringReader(field.StringValue());
}
else
{
throw new System.ArgumentException("field must have either String or Reader value");
}
// Tokenize field and add to postingTable
TokenStream stream = analyzer.TokenStream(fieldName, reader);
try
{
Token lastToken = null;
for (Token t = stream.Next(); t != null; t = stream.Next())
{
position += (t.GetPositionIncrement() - 1);
if (field.IsStoreOffsetWithTermVector())
{
AddPosition(fieldName, t.TermText(), position++, new TermVectorOffsetInfo(offset + t.StartOffset(), offset + t.EndOffset()));
}
else
{
AddPosition(fieldName, t.TermText(), position++, null);
}
lastToken = t;
if (++length >= maxFieldLength)
{
if (infoStream != null)
{
infoStream.WriteLine("maxFieldLength " + maxFieldLength + " reached, ignoring following tokens");
}
break;
}
}
if (lastToken != null)
{
offset += lastToken.EndOffset() + 1;
}
}
finally
{
stream.Close();
}
}
fieldLengths[fieldNumber] = length; // save field length
fieldPositions[fieldNumber] = position; // save field position
fieldBoosts[fieldNumber] *= field.GetBoost();
fieldOffsets[fieldNumber] = offset;
}
}
}
